Trane Fitness Equipment ABS PRC001 EN User Manual
Trane Horizon®  
Absorption Series  
Single-Stage Hot Water or  
Steam-Fired Absorption Water Chillers  
500-1350 Tons  
Built for Industrial and Commercial Applications  
June 2003  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Contents  
Trane Horizon® Absorption  
Series  
2
4
Introduction  
Trane has led in absorption chiller design  
and manufacturing for four consecutive  
decades. In fact, Trane is the only North  
American chiller manufacturer to  
commercialize double-effect absorption,  
over 25 years ago. With over 10,000  
absorption chillers manufactured and  
shipped, Trane serves the commercial,  
industrial and process worldwide  
markets. Microelectronic controls,  
adaptive frequency drives and smart  
purge systems have modernized the  
technology, making it more capable,  
more reliable and, in many applications,  
more economical.  
Features and Benefits  
Component Identification, Typical Single-Stage  
Steam Illustration, Refrigerant Cycle Overview  
Application Considerations  
8
9
Operating Limits, Sound, Water Flow/Treatment,  
Combination Systems, Multiple Machines  
Selection Procedure  
Computer Selection Procedure, Tube Fouling,  
Product Coding Description  
Performance  
• Produces colder chilled water to 40°F  
[4.4°C].  
• Starts with low 55°F [12.8°C] tower-  
water temperatures.  
• Operates reliably with low 65°F [18.3°C]  
tower-water temperatures.  
Performance Data  
12  
Capacity/COP/Steam Rate/Flow Rate, Pressure Drop  
Tables, Capacity vs. Chilled Water Supply Temperature,  
Energy Input vs. Capacity, Pressure Drop vs. Flow Rate  
17  
20  
Electrical Data  
Easier Installation  
• Rigging eyes built-in as standard.  
• Shell disassembly option.  
• Crossover pipe and steam valve  
available as an option.  
Controls Data  
Dimensions and Weights  
24  
Reliability  
Physical Dimensions, Weights, Connection Sizes,  
Refrigerant Charging, Separated Machine Sections,  
Foundation Support, Rigging/Service Clearances,  
Chiller Isolation, Insulation Lengths  
• Adaptive microprocessor controls.  
• 50,000 hours life-extended pumps.  
• Constructed of corrosion-resistant alloy  
materials.  
Design Diversity  
• Marine water boxes on cooling-water  
connections available as an option.  
• Custom design options available.  
Jobsite Connections  
34  
Typical Piping  
Mechanical Specifications  
40  
42  
43  
Standard/Optional/Design Special Features  
Standard Conversion Table  
ABS-PRC001-EN  
3
Download from Www.Somanuals.com. All Manuals Search And Download.  
Features and  
Benefits  
General  
Trane Horizon® Absorption  
Series, Single-Stage Hot  
Water- or Steam-Fired  
Absorption Water Chillers,  
500-1350 Tons  
Technology You Can Trust  
In the early 1990’s, with the assistance of  
the Gas Research Institute, Trane began  
developing an innovative series of  
absorption chillers. In 1995, Horizon  
chillers began shipping from the Trane  
manufacturing facility in La Crosse,  
Wisconsin. The Horizon chiller is so  
advanced, it redefined industry  
standards for absorption system  
integrity. Horizon chiller performance,  
efficiency and reliability far exceed that  
of past and present absorption chillers.  
Dynamic By Design  
Because uninterrupted chiller service is  
critical to your operation, Horizon chillers  
are designed to make chilled water  
reliably, even in the harshest industrial  
application. Water-tower systems and  
load requirements can challenge the  
long-term operation of many standard-  
grade chillers. The industrial-grade  
construction of the Horizon chiller  
accounts for varying load and water-  
temperature changes, as well as dirty  
tower water. They are built with  
corrosive-resistant alloy metals, and  
precision welded in an ISO 9001 quality-  
certified facility. Only extended-life  
pumps, valves and water boxes are  
manufactured into their design. For  
further dynamics, Horizon UCP2  
adaptive microprocessor controls react  
precisely to system diversification.  
Quality construction, long-life  
components and adaptive controls are  
what make the Horizon dynamic by  
design.  
Operates With Energy-Saving,  
Low-Pressure Steam or Hot Water  
The Horizon family includes a single-  
stage, hot water- or steam-fired chiller  
line. Able to produce chilled water in the  
range of 40 to 60°F [4.4 to 15.6°C], these  
machines use 12 psig [0.83 bar] low-  
grade steam or 270°F [132°C] hot water.  
Making chilled water from these  
comparatively low-temperature inputs is  
particularly important for energy  
conserving applications, such as waste-  
heat recovery, co-generation equipment  
and solar-energy-powered cooling.  
Using refrigerant water helps eliminate  
refrigerant management or availability  
concerns. Additionally, absorption  
technology reduces the use of electric  
energy.  
4
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Features and  
Benefits  
General  
Sophisticated Reliability  
A Global Network of  
Optional Specification For  
Horizon controls meet specifications for  
stand alone or hybrid chiller control.  
UCP2 adaptive controls are critical to  
reliable operation. Trane controls are  
compatible with Integrated Comfort™  
Systems (ICS), and are easily integrated  
into the Tracer® family of flexible chiller-  
plant system controllers with a single  
twisted-pair communications cable.  
Absorption Expertise  
Single-Stage Horizon Chillers  
• Removable absorber and evaporator  
spray trees150 psig [10.3 bar] raised  
face flanges for the evaporator,  
condenser, and absorber water  
connections  
When you specify a Trane Horizon  
chiller, you’re getting the knowledge,  
expertise and assistance of a pool of  
experts that have decades of absorption  
expertise. Making The Trane Company  
part of your management team gives  
you access to refrigeration, air  
conditioning and facility control-system  
applications specialists, and a unique  
breadth of innovative solutions to satisfy  
your facilities needs for today and  
tomorrow.  
• Disassembled unit — eases  
disassembly and reassembly of major  
components at the job site  
• Lithium bromide filter  
• Condenser and absorber marine style  
water boxes  
Ideal for Process and Commercial  
Applications  
With Horizon chillers, the application  
possibilities for the absorption machine  
• Factory installed cooling-water  
crossover pipe absorber to condenser  
• Factory mounted energy valve  
• Choice of tube materials and other  
chiller options  
are expanded. Capabilities such as lower Standard Specification For  
tower flow, variable evaporator flow,  
lower chilled-water temperatures and  
advanced control capabilities make the  
single-stage Horizon absorption chiller  
ideal for both process and comfort  
applications.  
Single-Stage Horizon Chillers  
• C.O.P. 0.70  
• Victaulic™ water connections  
• Fully-automatic purge system  
• Industrial-grade tubes  
• Stainless steel evaporator pan  
Absorption Cooling —  
A Sound Decision  
— Generator .028" wall, 90/10  
Cupro-nickel  
— Evaporator .025" wall copper  
(enhanced)  
— Absorber 500-800 tonnages .022"  
wall 95/5 Cupro-nickel 975-1350  
tonnages .028" wall copper  
— Condenser .028• wall copper  
• Advanced cycle-management system  
with Adaptive Frequency™ drive  
solution control  
Life-cycle costing has become a primary  
concern for chiller buyers who have  
long-term investment opportunity in  
mind. Changes in the distribution and  
pricing of electricity have made the  
absorption water chiller a popular choice  
when alternative energy use makes  
sense. Ask your local Trane  
representative for a comprehensive  
analysis of your facility, and the energy-  
saving opportunities Trane offers for the  
design of Heating, Ventilating and Air  
Conditioning systems and controls.  
When Long-lived Reliability  
Is Important  
Trane has been a long-time proponent of  
the use of high-quality materials in  
absorption chiller designs. The lithium  
bromide temperatures and water  
refrigerant, typical of all absorbers, can  
more quickly corrode lower-grade metals  
in the presence of air. Trane recommends  
and uses industrial-grade materials to  
provide long-lived, reliable cooling.  
• 150 psig [10.3 bar] evaporator, absorber  
and condenser sections  
• Industrial-grade energy valve  
• Rigging eyes for easy installation  
• Advanced microprocessor control  
system with adaptive control functions  
• 2-line, 40-character clear-language  
interface to unit functions and  
diagnostic information  
• Fixed and floating generator tube  
supports prevent thermal stress  
• Efficient stainless steel brazed plate  
solution heat exchanger  
• Long-life solution pumps  
• Molybdate inhibitor system  
• Factory-installed and-commissioned  
controls  
• Individually replaceable tubes  
• Removable absorber and evaporator  
spray trees  
ABS-PRC001-EN  
5
Download from Www.Somanuals.com. All Manuals Search And Download.  
Features and  
Benefits  
Component  
Identification  
Rigging Eyes For  
Easier Installation  
Condenser  
Section  
Fully-Automatic  
Purge System  
Separable  
Shell  
Design  
Vacuum  
Pump  
Solution Pump  
Variable-Frequency  
Drive  
Refrigerant  
Storage Tank  
UCP2™  
Microprocessor  
Control System  
Long Life Hermetic  
Solution Pumps  
Fixed and floating tube supports  
Industrial-grade tubes  
ASME-Rated  
Generator  
Industrial-Grade  
Energy Valve  
Evaporator  
Spray Tree  
Evaporator  
Section  
Lifting Eyes on  
Water Box Covers  
Efficient Stainless-Steel  
Solution Heat Exchanger  
Absorber  
Spray Tree  
Absorber Section  
6
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Features and  
Benefits  
Refrigeration  
Cycle  
Figure FB-1. Single-stage absorption refrigeration cycle  
Horizon Single-Stage  
(2) Refrigerant 100°F [38°C], Entering/  
Absorption Refrigeration Cycle  
(1) Solution 215°F [102°C], Vapor 207°F [97°C]  
Leaving Cooling Water  
Refrigeration Cycle  
94°F/102°F [34°C/39°C]  
This is an example of typical machine  
operation at a standard rating point  
condition (i.e., 85°F [29.4°C] tower, 44°F  
[6.7°C] leaving chilled water) at full load.  
Dilute solution has a relatively high  
refrigerant content and low lithium  
bromide content. An intermediate  
solution is a mixture of dilute and  
concentrated solutions. A concentrated  
solution is one with a relatively low  
refrigerant content and high lithium  
bromide content.  
(3) Entering/Leaving System  
Water 54°F/44°F [12°C/7°C],  
Evaporator Pump  
Refrigerant 41°F [5°C]  
Generator (1)  
Dilute solution is pumped into the  
generator, where it is boiled by the  
steam or hot water in the tube bundle,  
creating refrigerant vapor. The  
refrigerant vapor flows to the condenser  
(2). The now-concentrated solution  
flows by gravity, through the solution  
heat exchanger to the absorber spray  
system, where it is mixed with dilute  
solution from the absorber and sprayed  
on the absorber tube bundle.  
Condenser (2)  
Refrigerant vapor, produced by the  
generator, enters the condenser and  
changes to a liquid through  
condensation. The heat of condensation  
is rejected to the cooling water inside the  
tube bundle.  
(4) Leaving Solution 107°F  
[42°C], Entering/Leaving  
Cooling Water 85°F/94°F  
(6)  
(5) Entering  
[29°C/34°C]  
Solution  
120°F [49°C]  
Evaporator (3)  
The liquid refrigerant leaves the  
condenser through a J tube, where the  
pressure/temperature is reduced  
through expansion for delivery to the  
evaporator at 41°F [5°C]. System water  
runs through the tube bundle where its  
heat is transferred to the refrigerant,  
causing the refrigerant to vaporize/boil.  
The refrigerant vapor flows to the  
slightly lower pressure in the absorber.  
Absorption Process (5)  
Solution Heat Exchanger (6)  
Solution (concentrated) enters the spray  
system from the generator and enters  
the spray system, wetting the tubes and  
providing a liquid surface for the  
refrigerant vapor (from the evaporator)  
to absorb into the lithium bromide  
solution. The solution temperature/  
concentration sprayed in the absorber  
controls the absorber pressure, thereby  
controlling the evaporator refrigerant  
temperature.  
Solution flows through the heat  
exchanger to be preheated, reducing the  
heat energy required to induce boiling  
within the generator, and to decrease the  
temperature of the solution being  
returned to the absorber, thus  
decreasing the load on the cooling  
tower.  
Absorber (4)  
Refrigerant vapor is absorbed by the  
lithium bromide solution. The now-dilute  
solution is pumped through the solution  
heat exchanger and on to the generator.  
The heat of vapor absorption is rejected  
via the cooling water inside the tube  
bundle.  
ABS-PRC001-EN  
7
Download from Www.Somanuals.com. All Manuals Search And Download.  
Application  
Considerations  
General  
General  
Chiller Installation  
chillers have different features and  
modes of operation, the chiller control  
panel looks and acts the same when  
used with any chiller model. Each  
control panel is programmed to monitor  
the particular chiller for which it was  
designed, however, maintenance and  
service personnel only need to become  
familiar with one control panel.  
The Horizon single-stage steam-fired or  
hot water absorption chiller is designed  
to provide 40°F to 60°F [4.4°C to 15.6°C]  
chilled water, for comfort or process  
cooling applications, within all three  
market segments – commercial,  
industrial and institutional. They are  
most-often used where an economic  
analysis of fuel costs versus electrical  
rates indicates an operating cost  
advantage.  
The following should be considered  
when installing an absorption chiller:  
• Rigging and service clearances  
• Foundation support  
• Chiller isolation for sound/vibration  
reduction  
• Condensate handling  
• Steam supply control  
• Condenser-water temperature control  
• Chilled-water flow control  
• Chilled- and condenser-water flow limit  
• Generator hot-water application  
Combined with a Trane Tracer® system, a  
chiller plant has almost unlimited  
operational flexibility, and all equipment  
is supplied from a single source.  
In many process applications, they can  
be utilized to convert excess heat energy  
to provide chilled water for process or  
comfort applications.  
Cooling-Tower Water Flow  
Multiple Machine Installations  
The ARI standard gpm/ton for single-  
stage absorption chillers is 3.6, however,  
lower flow through the condenser and  
absorber section will present an  
opportunity for a smaller tower, smaller  
piping, and smaller condenser pump.  
For more information on lower flows in  
the cooling tower water circuit, refer to  
the appropriate Trane engineering  
bulletin, available from your local Trane  
representative.  
The Trane absorption machine can be  
applied to series or parallel chilled-water  
flow, depending upon the design  
Operating Limits  
requirement. The arrangement that is  
best for an individual system should be  
based on an analysis of system water  
and temperature rise requirements,  
system and machine pressure-drop  
characteristics, and installation cost.  
Trane single-stage absorption chillers  
operate with nominal 12 psig [0.83 bar]  
steam or nominal 270°F [132°C] hot  
water. In all applications, superheat  
should be limited so steam temperature  
does not exceed 340°F [171°C].  
Parallel flow allows minimum chilled-  
water pressure drop through the  
machines. However, with one machine  
“off,” it is not usually possible to  
maintain the design chilled-water  
temperature unless one machine is  
isolated with shut off valves and the  
chilled-water flow decreased.  
Waterflows that are within the limits  
indicated on the appropriate selection  
table will ensure tube water velocities  
not exceeding 10 feet per second  
[3.05 m/sec] in copper tubes and 11 feet  
per second [3.35 m/sec] in cupronickel  
tubes. Changes in condenser water  
temperature should not exceed  
Water Treatment  
The use of untreated or improperly  
treated water may result in scaling,  
erosion, and corrosion, algae or slime. It  
is recommended that the services of a  
qualified water-treatment specialist be  
used to determine what treatment, if  
any, is advisable. The Trane Company  
assumes no responsibility for the results  
of untreated or improperly treated water.  
1°F per minute in the range from 75°F to  
95°F [23.9°C to 35°C].  
Series flow permits design chilled-water  
temperature at light loads with one  
machine “off.” However, at all operating  
conditions, the chilled-water pressure  
drop through the machine is high.  
Sound and Vibration  
Absorption units are well-suited for  
areas where low sound levels are  
required. The Trane Horizon single-stage  
steam absorption chiller will operate  
under normal load conditions at less  
than 85 dBA sound pressure level.  
During operation there is no vibration of  
any components that could be  
damaging to the chiller or that could  
transmit objectionable sound or  
vibration to the building.  
Combination Systems  
Peak energy savings can be achieved  
when using a combination of electric  
chillers and absorption chillers for air  
conditioning loads. The absorption  
chiller is used to shave seasonal, billable  
peak-power demands during summer  
operation, and the electric chiller is run  
below the allowed demand limit,  
reducing costly demand charges. Trane  
offers both electric chillers and  
Accurate chilled-water temperatures can  
be maintained on individual machines  
between 100 percent and 10 percent of  
nominal chiller load, which allows for a  
wide range of control options. Each  
chiller has a stand-alone control system  
to manage the desired water  
temperature, and also the ability to  
receive remote commands to support  
various system demands from a control  
center. This versatility of control makes  
the management of more than one  
machine relatively easy.  
absorption chillers with the unit control  
panel (UCP2) as standard. Although the  
8
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Selection  
Procedure  
Selection Procedure  
Additional Fouling  
Final Selection  
Absorption refrigeration machines are  
usually selected to provide the required  
refrigeration capacity with the smallest  
practical machine of sufficient size.  
Machine size is based on chilled-water  
flow rates and temperatures specified for  
the air side of the system.  
Any selection that uses a fouling factor  
greater than 0.0001 for the evaporator  
tubes, and 0.00025 for the condenser/  
absorber tubes, is a more conservative  
estimate that should only be used if  
there is an abnormal amount of fouling  
contaminants in the water systems. The  
ARI 560 Standard defines “additional  
fouling” as “Conditions such as water  
hardness, organic material, suspended  
solids and/or water velocity may  
A final selection must be done by the  
local Trane sales engineer using the  
Trane Horizon® Single-Stage Absorption  
Selection Program. For applications  
higher than 1600 feet [500 meters] above  
sea level, final selection requires review  
by Absorption Product Marketing. Prior  
to accessing the computer selection  
program, the following data inputs  
should be tabulated:  
Total air-conditioning system first cost  
can be minimized by a careful analysis of  
system operating parameters. The effect  
of flow rates and temperatures, on both  
the building air side and the refrigeration  
machine selections, should be  
investigated to determine which system  
represents the best investment for the  
owner.  
• Temperature or pressure of the hot  
water or steam  
necessitate the use of a greater field  
fouling allowance than that provided in  
the Standard Rating of equipment.” The  
Trane single-stage Horizon Selection  
program should be used to determine  
the effect of nonstandard fouling factors.  
The following guidelines can be used for  
estimation prior to the selection:  
• Two of the following three values must  
be provided1:  
– Evaporator Delta-T  
– Evaporator Flow  
– Cooling Capacity  
The information on the following pages  
provides performance data, at ARI  
standard conditions, for capacity in tons,  
efficiency, flow rates and water pressure  
drops. All capacities are in accordance  
with the expected ARI 560 Standard  
revision, and are based on fouling  
factors of .0001 for the evaporator  
waterside tubing and .00025 for the  
absorber and condenser tubing.  
• Leaving-Evaporator Water Temperature  
• Entering-Absorber Water Temperature  
• Cooling Water Flow  
ARI Standard Fouling Factors For  
Additional Fouling  
• Chilled water and tower water fouling  
factors  
Evaporator  
Condenser/Absorber  
English Units – hr-ft2-F/Btu  
Other options that may also be selected  
are:  
• Type and thickness of tube material  
• Type of solution flowing through the  
evaporator and tower loop2.  
1 Any limitations or restrictions should  
also be given (i.e., pressure drop, gpm  
etc.).  
0.0002  
0.00026 – 0.00075  
SI Units – m2-K/kW  
0.035  
0.046  
Part Load Performance  
Standard Fouling  
The Horizon® single-stage absorption  
chiller exhibits excellent part-load  
performance characteristics. Air  
Unit performance at non-standard  
fouling factors may vary from standard  
performance. Fouling factors estimate  
the heat transfer penalty that coincides  
with the effect of typical fouling in  
evaporator and absorber/condenser  
(cooling) water circuits. All selections  
should use the standard fouling factor to  
more accurately estimate the chiller  
performance in an equipment room and  
to comply with ARI 560.  
2 Absorption chillers can be selected with  
a wide variety of media other than  
water (evaporator and absorber/  
condenser, or both). For media other  
than water, contact the local Trane sales  
office for chiller selections and  
information.  
conditioning system loads are usually  
significantly less than full-load design  
conditions. Therefore, the absorption  
chiller operates at full load a small  
percentage of the time. Part-load  
absorption chiller operation is normally  
associated with reduced tower-water  
temperatures. At part-load operation, the  
heat rejected to the cooling tower is less  
than at full-load operation. Also, part-  
load operation is typically associated  
with reduced outside wet-bulb  
temperatures, resulting in improved  
cooling tower performance. The net  
result of less heat rejection and lower  
wet-bulb temperature is cooler tower  
water entering the chiller and improved  
unit performance.  
ARI Standard Fouling Factors  
Evaporator  
Condenser/Absorber  
English Units – hr-ft2-F/Btu  
0.0001  
0.00025  
SI Units – m2-K/kW  
0.018  
0.044  
ABS-PRC001-EN  
9
Download from Www.Somanuals.com. All Manuals Search And Download.  
Selection  
Procedure  
Product Coding  
Description  
EVTM Evaporator Tubes  
Selection  
ES12 .025 Wall Copper Enhanced Surface  
ES11 .025 Wall 90-10 CUNI Enhanced  
Surface  
Product Coding Description  
The coding block precisely identifies all  
characteristics of any Horizon® Single-Stage  
Steam-Fired or Hot Water Absorption Chiller.  
ES05 .035 Wall 90-10 CUNI Enhanced  
Surface  
ABTM Absorber Tubes  
SB00 .022 Wall 95-5 CUNI Smooth Surface  
SB01 .028 Wall 95-5 CUNI Smooth Surface  
SB02 .035 Wall 95-5 CUNI Smooth Surface  
SB03 .049 Wall 95-5 CUNI Smooth Surface  
SB04 .028 Wall 90-10 CUNI Smooth  
Surface  
SB05 .035 Wall 90-10 CUNI Smooth  
Surface  
SB06 .049 Wall 90-10 CUNI Smooth  
Surface  
SB09 .028 Wall Copper Smooth Surface  
SB17 .028 Wall 316L SST Smooth Surface  
GNWA LTGN - Generator Water Box  
Arrangement  
GN02 1-Pass Non-Marine RF Flange  
GN04 2-Pass Non-Marine RF Flange  
CAWA Condenser and Absorber Water Box  
Arrangement  
CA17 150 PSI Marine Victaulic  
CA18 150 PSI Marine RF Flange  
CA19 150 PSI Non-Marine Victaulic  
CA20 150 PSI Non-Marine RF Flange  
EVWA Evaporator Water Box Arrangement  
EV31 1-Pass 150 PSI Non-Marine Victaulic  
EV32 1-Pass 150 PSI Non-Marine RF Flange  
EV01 2-Pass 150 PSI Non-Marine Victaulic  
EV02 2-Pass 150 PSI Non-Marine RF Flange  
CAWC Condenser and Absorber Water  
Connections  
RERE In right-hand end – out right-hand  
end (700, 800, 1000, 1100, 1200 tons)  
LELE In left-hand end – out left-hand end  
(500 tons)  
LERE In left-hand end – out right-hand end  
(600 and 900 tons)  
Table S-1. Product coding description  
MODL Absorption Unit Model  
ABSD Single Stage Absorption  
NTON Unit Nominal Tonnage  
500  
500 Nominal Tons  
600 Nominal Tons  
700 Nominal Tons  
800 Nominal Tons  
975 Nominal Tons  
1100 Nominal Tons  
1225 Nominal Tons  
1350 Nominal Tons  
600  
700  
800  
975  
1100  
1225  
1350  
VOLT Unit Voltage  
190  
200  
220  
230  
380  
415  
460  
575  
190 Volt - 50 HZ  
200 Volt - 60 HZ  
220 Volt - 50 HZ  
230 Volt - 60 HZ  
380 Volt - 50 HZ  
415 Volt - 50 HZ  
460 Volt - 60 HZ  
575 Volt - 60 HZ  
ENSR Unit Energy Source  
STM Steam Energy Source  
HOTW Hot Water Energy Source  
ENPR Unit Energy Pressure  
50  
Steam Energy Pressure - 50 PSIG  
ASME Required  
150  
400  
Hot Water Energy Pressure - 150  
PSIG - ASME Required  
Hot Water Energy Pressure – 400  
PSIG - ASME Required  
PVCN Pressure Vessel Construction  
STD  
Standard Construction  
Standard construction (includes  
ASME LTGN)  
PURG Purge System  
EVWC Evaporator Water Connections  
LEBK Inlet Connection Left Back  
LEFR Inlet Connection Left Front  
REBK Inlet Connection Right Back  
REFR Inlet Connection Right Front  
LEND In left end, out the other end  
REND In right end, out the other end  
CAFT Condenser and Absorber Water Box  
Fluid Type  
AUTO Automatic Purge System  
LGTM Generator Tubes  
SB04 .028 Wall 90-10 CUNI Smooth  
Surface  
SB05 .035 Wall 90-10 CUNI Smooth  
Surface  
SB06 .049 Wall 90-10 CUNI Smooth  
Surface  
SB16 .028 wall 409 SST smooth surface  
CDTM Condenser Tubes  
SB09 .028 Wall Copper Smooth Surface  
SB10 .035 Wall Copper Smooth Surface  
SB04 .028 Wall 90-10 CUNI Smooth  
Surface  
WTR Water  
EGLY Ethylene Glycol Solution  
PGLY Propylene Glycol Solution  
EVFT Evaporator Water Box Fluid Type  
WTR Water  
EGLY Ethylene Glycol Solution  
PGLY Propylene Glycol Solution  
SB05 .035 Wall 90-10 CUNI Smooth  
Surface  
SB06 .049 Wall 90-10 CUNI Smooth  
Surface  
SB17 .028w 316L SST Smooth Surface  
10  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Selection  
Procedure  
Product Coding  
Description  
EVLV Unit Energy Valve  
ELPP Electrical Protection Package  
SELP Standard Electrical Package  
PPCO Control Panel Power Connection  
BF02 2-Way 3" 150# Wafer Btrfly  
BF03 2-Way 4" 150# Wafer Btrfly  
BF04 2-Way 6" 150# Wafer Btrfly  
BF05 2-Way 8" 150# Wafer Btrfly  
BF22 3-Way 3" 150# Flanged tee Wafer  
Btrfly  
CB  
Circuit Breaker  
FDS  
Fused Disconnect Switch  
NFDS Non-Fused Disconnect Switch  
TB  
Terminal Block  
BF23 3-Way 4" 150# Flanged tee Wafer  
Btrfly  
BF24 3-Way 6" 150# Flanged tee Wafer  
Btrfly  
BF32 3-Way 3" 300# Flanged tee Wafer  
Btrfly  
BF33 3-Way 4" 300# Flanged tee Wafer  
Btrfly  
LCLD Local Clear Language Display  
CLDC Clear Language Display – Complex  
Character  
CLDO Clear Language Display – Suitable for  
Outdoor Use  
TRIM Tracer Interface Control Module  
TRMI Tracer 100 Interface Module (com3)  
TRMS Tracer Summit Interface Module  
(com4)  
BF34 3-Way 6" 300# Flanged tee Wafer  
Btrfly  
PRIM Printer Interface Control Module  
BF42 2-Way 3" 150# Flanged Btrfly  
BF43 2-Way 4" 150# Flanged Btrfly  
BF44 2-Way 6" 150# Flanged Btrfly  
BF45 2-Way 8" 150# Flanged Btrfly  
VB01 2-Way 2" 150# Wafer V-Ball  
VB02 2-Way 3" 150# Wafer V-Ball  
VB03 2-Way 4" 150# Wafer V-Ball  
VB11 2-Way 2" 300# Wafer V-Ball  
VB12 2-Way 3" 300# Wafer V-Ball  
VB13 2-Way 4" 300# Wafer V-Ball  
VB41 2-Way 2" 150# Flanged V-Ball  
VB42 2-Way 3" 150# Flanged V-Ball  
VB43 2-Way 4" 150# Flanged V-Ball  
EVIN Unit Energy Valve Installation  
YES  
Printer Interface Module  
ACWR Ambient Chilled Water Reset  
YES Ambient Chilled Water Reset  
WVUO Under/Over Phase Voltage  
Protection  
YES  
Under/over Voltage Protection  
CTWF Chiller/Tower Water Flow Display  
YES  
Differential Water Pressure  
Transducers  
OPTM Options Control Module  
YES Options Module  
AFDS Adjustable frequency drive  
YES Frequency drive  
FLSW Flow Switches  
1FS1 150 PSI NEMA 1 Flow Switch  
- QTY of 1  
FLD  
Field-installed Energy Valve  
FACT Factory-installed Energy Valve  
EVPN Evaporator Pan construction  
1FS2 300 PSI NEMA 1 Flow Switch  
- QTY of 1  
STD  
Evaporator Pan – Steel  
SSTL Evaporator Pan – Stainless Steel  
UPNT Unit Paint  
SFPT Standard Factory Paint – Entire Unit  
CSPT Customer Specified Paint – Entire  
Unit  
WCNM Water Chiller Nameplate  
SNMP Standard ABS Water Chiller  
Nameplate  
1FS3 150 PSI NEMA 4 Flow Switch  
- QTY of 1  
1FS4 300 PSI NEMA 4 Flow Switch  
- QTY of 1  
2FS1 150 PSI NEMA 1 Flow Switch  
- QTY of 2  
2FS2 300 PSI NEMA 1 Flow Switch  
- QTY of 2  
BNMP Decorative Brass ABS Water Chiller  
Nameplate  
SPKG Unit Shipping Package  
DAU Domestic – Assembled Unit  
DDG Domestic – 2-Piece Disassembled  
Unit  
2FS3 150 PSI NEMA 4 Flow Switch  
- QTY of 2  
2FS4 300 PSI NEMA 4 Flow Switch  
- QTY of 2  
LBMF Lithium Bromide Filter  
Yes  
Lithium Bromide Filter  
DAGF Domestic – Assembled - 2-Piece Field  
Disassembly  
UINS Unit Insulation  
CINS Cold Unit Insulation Only  
CRPI  
Yes  
EAU  
EDG  
Export – Assembled Unit  
Export – 2-Piece Disassembled Unit  
Condenser Cross-Over pipe  
Condenser cross-over pipe,  
factory installed  
EAGF Export – Assembled - 2-Piece Field  
Disassembly  
ABS-PRC001-EN  
11  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance  
Data  
Table PD-1. Performance data at ARI conditions  
English Units*  
Steam  
Coefficient  
of  
Performance  
0.71  
Chilled Water  
Cond/Abs Water  
Capacity  
(Tons)  
571  
670  
738  
859  
998  
1105  
1238  
1371  
Rate  
(lbm/ton/hr)  
17.71  
Flow Rate  
(gpm)  
1366  
Press. Drop Flow Rate Press. Drop  
Model  
(ft Wtr)  
19.7  
30.2  
22.3  
32.6  
18.8  
24.6  
32.7  
42.2  
(gpm)***  
1800  
(ft Wtr)  
27.4  
26.6  
12.2  
16.6  
33.5  
20.1  
25.7  
32.2  
ABSD500  
ABSD600  
ABSD700  
ABSD800  
ABSD975  
ABSD1100  
ABSD1225  
ABSD1350  
0.72  
0.71  
0.72  
0.71  
0.70  
0.70  
0.71  
17.45  
1603  
2160  
17.68  
1766  
2520  
17.62  
2054  
2880  
17.91  
2387  
3510  
17.98  
2643  
3960  
17.95  
2960  
4410  
17.90  
3279  
4860  
* 3.6 gpm/nominal ton, Pstm = 12 psig, TctwS = 85°F, TcwS = 44°F, TcwR = 54°F, 0.0001 evap fouling,  
0.00025 cond/abs fouling  
SI Units**  
Coefficient  
of  
Performance  
0.71  
Steam  
Rate  
Chilled Water  
Cond/Abs Water  
Capacity  
(kW)  
Flow Rate  
(m3/hr)  
310  
Press. Drop Flow Rate Press. Drop  
(m wg)  
6.0  
Model  
(kg/kW-hr)  
2.28  
(m3/hr)  
409  
(m wg)  
8.3  
ABSD500  
ABSD600  
ABSD700  
ABSD800  
ABSD975  
ABSD1100  
ABSD1225  
ABSD1350  
2008  
2356  
2595  
3021  
3510  
3886  
4354  
4821  
0.72  
0.71  
0.72  
0.71  
0.70  
0.70  
0.71  
2.25  
2.28  
2.27  
2.31  
2.32  
2.31  
2.31  
364  
401  
466  
542  
600  
672  
745  
9.2  
6.8  
9.9  
5.7  
7.5  
10.0  
12.9  
491  
572  
654  
797  
899  
1002  
1104  
8.1  
3.7  
5.1  
10.2  
6.1  
7.8  
9.8  
** 0.23 m3/nominal kWh, Pstm = 0.83 bar, TctwS = 29.4°C, TcwS = 6.67°C, TcwR = 12.2°C, 0.018 evap fouling,  
0.044 cond/abs fouling  
12  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance  
Data  
Figure PD-1. ABSD 500-800 capacity vs. chilled-water supply temperature at various  
cooling-water supply temperatures  
Figure PD-2. ABSD 975-1350 capacity vs. chilled water supply temperature at various  
cooling water supply temperatures  
ABS-PRC001-EN  
13  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance  
Data  
Figure PD-3. ABSD 500-800 part load performance - energy input vs. capacity at various  
cooling water supply temperatures:  
chilled water supply temperature = 44°F (7°C)  
Figure PD-4. ABSD 975-1350 part load performance - energy input vs. capacity at various  
cooling water supply temperatures:  
chilled water supply temperature = 44°F (7°C)  
14  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance  
Data  
Pressure Drop vs.  
Water Flow Rate  
Figure PD-5. ABSD 500-800 pressure drop vs. chilled water flow rate – English and SI Units  
Figure PD-6. ABSD 975-1350 pressure drop vs. chilled water flow rate – English and SI Units  
ABS-PRC001-EN  
15  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Performance  
Data  
Pressure Drop vs.  
Water Flow Rate  
Figure PD-7. ABSD 500-800 pressure drop vs. cooling water flow rate – English and SI Units  
Figure PD-8. ABSD 975-1350 pressure drop vs. cooling water flow rate – English and SI Units  
16  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Electrical  
Data  
Electrical Data  
Factory-wired and-mounted power control includes main power connections. Total kW includes solution and refrigerant pump,  
motors, purge pump motor and control panel. Units may be supplied for operation on 230,460 or 575 volt, 3-phase, 60-hertz  
power, or 190, 220, 380 or 415 volt, 3-phase, 50-hertz power.  
Table ED-1. Electrical data  
60 Hertz, 3-Phase  
Supply  
Voltage  
200  
230  
460  
575  
200  
230  
460  
575  
200  
230  
460  
575  
200  
230  
460  
Total Motor  
Total Motor  
Control Circuit  
Amps  
10.0  
8.7  
Max Fuse Size  
Model  
500  
thru  
600  
FLA  
69.0  
60.0  
30.0  
25.0  
90.0  
78.0  
39.0  
32.0  
90.0  
78.0  
39.0  
32.0  
96.0  
84.0  
42.0  
34.0  
HP  
kW  
9.7  
9.7  
9.7  
9.7  
13.0  
13.0  
13.0  
13.0  
13.0  
13.0  
13.0  
13.0  
14.9  
14.9  
14.9  
MCA  
86  
75  
37  
31  
109  
94  
47  
39  
109  
94  
47  
39  
115  
100  
50  
Amps  
90  
80  
40  
35  
110  
100  
50  
13.0  
13.0  
13.0  
13.0  
17.5  
17.5  
17.5  
17.5  
17.5  
17.5  
17.5  
17.5  
20.0  
20.0  
20.0  
20.0  
4.4  
3.5  
10.0  
8.7  
4.4  
3.5  
10.0  
8.7  
4.4  
3.5  
700  
thru  
800  
40  
110  
100  
50  
975  
40  
1100  
thru  
1350  
10.0  
8.7  
4.4  
125  
110  
60  
575  
14.9  
3.5  
41  
45  
50 Hertz, 3-Phase  
Supply  
Voltage  
190  
220  
380  
415  
190  
220  
380  
415  
190  
220  
380  
415  
190  
220  
380  
Total Motor  
HP  
Total Motor  
Control Circuit  
Amps  
10.5  
9.1  
Max Fuse Size  
Model  
500  
thru  
600  
FLA  
62.0  
52.4  
30.0  
27.5  
67.0  
57.4  
33.0  
30.5  
80.0  
68.0  
39.0  
36.0  
85.0  
73.0  
42.0  
39.0  
kW  
9.7  
9.7  
9.7  
MCA  
79  
67  
38  
35  
85  
73  
42  
39  
98  
84  
48  
44  
103  
89  
51  
47  
Amps  
80  
70  
40  
35  
90  
80  
45  
40  
100  
90  
50  
45  
110  
90  
60  
13.0  
13.0  
13.0  
13.0  
15.5  
15.5  
15.5  
15.5  
17.5  
17.5  
17.5  
17.5  
20.0  
20.0  
20.0  
20.0  
5.3  
4.8  
10.5  
9.1  
5.3  
4.8  
10.5  
9.1  
5.3  
4.8  
10.5  
9.1  
5.3  
4.8  
9.7  
700  
thru  
800  
11.6  
11.6  
11.6  
11.6  
13.0  
13.0  
13.0  
13.0  
14.9  
14.9  
14.9  
14.9  
975  
1100  
thru  
1350  
415  
50  
ABS-PRC001-EN  
17  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Electrical  
Data  
Wiring  
18  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Electrical  
Data  
Wiring  
ABS-PRC001-EN  
19  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Controls Data  
Setting The Standards  
• Modular structure of the UCP2 makes it  
possible for the designer to select the  
system controls and associated  
Trane set the standard for unit  
microprocessor controls in 1985 with the  
first generation of Unit Control Panel.  
Associated with this standard have been:  
• Proportional Integral Derivative (PID)  
control strategies, which provide stable  
operation and high accuracy for better  
performance, along with feed forward  
plus;  
interfaces to Tracer® (or other building  
automation systems) that are required  
for the chiller plant design. With this  
modular concept, capability can be  
added or upgraded at any time, with  
only temporary interruption of chilled-  
water production.  
• Adaptive Control™ to keep the chiller  
“on line” and at the same time keep the  
chiller away from a major failure;  
• Software based safeties that do not  
depend on electromechanical hardware  
– hardware that means questionable  
reliability and added cost;  
• Operator interface that accesses chiller  
information and control adjustments at  
the front of the panel.  
• The operator can quickly program a  
Custom Report — so that only what are  
considered to be the most frequently  
accessed/important reports are  
available — at any time, right at the  
front of the panel.  
• With easy front panel programmability  
of Daily, Service Start-up and Machine  
Configuration settings and setpoints,  
the operator, serviceman and system  
designer can customize the use of the  
micro controller to unique conditions of  
the chiller plant — whether the purpose  
of chilled water is for comfort cooling or  
for process cooling.  
UCP2™  
UCP2 adds more flexibility, more  
reliability and better system performance  
than even our most demanding  
customers expect.  
• All data that is necessary for the safe  
operation and easy serviceability of the  
chiller is provided as standard on all  
Horizon® absorption chillers. Options  
are available that provide additional  
controls/data that are required for: an  
industrial/process system design,  
applications outside of the typical  
chilled water system design, the need  
for redundant machine protection or the  
desire for more system information.  
Flexibility  
Trane offers the ability to adapt to  
changes easily and effectively without  
adding prohibitive cost. To provide  
flexibility, the controller responds to a  
wide variety of needs for:  
• System Designs, including equipment,  
operating conditions and controls  
variations that are either existing or  
being considered for new installations.  
Key to designing non-traditional  
systems is the ability to evaluate the  
cost and reliability issues of these  
systems in comparison to the more  
traditional systems. Trane recommends  
the use of C.D.S. Network Equipment  
Economics, the Trane Applications  
Manuals and consultation with a Trane  
sales engineer for help in this analysis.  
• System Upgrades, including the ability  
to accommodate changes in the chilled-  
water system design or equipment  
room requirements, or to  
accommodate new technologies that  
become available.  
20  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Controls Data  
Reliability  
System Performance  
To most people, reliability means  
“dependability — giving the same result  
on successive trials.” To our customers,  
however, it has come to mean “keep  
chilled water flowing.” In other words,  
“when I turn the switch on, cold water  
comes out.” In order to do this, the  
micro controller must be aware of what  
is happening in the system. But more  
importantly, it must be able to make  
decisions and adjustments to keep the  
chiller running as long as possible, even  
when non-standard conditions exist —  
conditions such as bad power, bad water  
(flow, temperature, fouling) or system  
component failure. Also, the Trane UCP2  
panel continuously monitors for  
noncondensables and purges  
“Chilled Water System” encompasses  
many levels of control: Standalone  
Chiller, Chiller Plant, Applied System,  
Central Building Automation System.  
However, regardless of the system level  
being designed, the unit controls  
become critical, not just in making every  
level operate reliably but also in  
facilitating optimal performance. UCP2  
provides more capability and more  
intelligence to make this operation/  
optimization possible.  
Panel Features:  
The absorption chiller Unit Control Panel  
(UCP2) incorporates the following  
features and components:  
Control Functions  
• Smart dilution-cycle duration based on  
system requirements  
• Adaptive evaporator leaving-fluid  
temperature control  
• Low evaporator-temperature limit  
• High solution-temperature limit  
• Solution flow control via AFD  
• Soft loading  
• Nuisance trip prevention via Adaptive  
Control  
• Chilled-water reset  
• Optimum concentration control  
• Crystallization recovery via SDR  
automatically.  
• With Enhanced Adaptive Control™ the  
controller does everything it can to  
avoid taking the chiller offline.  
— Senses evaporator temperature  
limit and high temperature limit  
— Displays a warning message about  
the potential condition/safety trip  
— Takes the following corrective action  
sequentially as the condition  
worsens:  
- limits loading  
- prevents further loading  
- unloads until condition improves  
- takes chiller offline  
• With more diagnostics and diagnostic  
history that are time/date stamped and  
with help messages, the operator or  
serviceman can take faster and more  
effective corrective action.  
ABS-PRC001-EN  
21  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Controls Data  
Safeties  
Cycle Report  
• Smart shutdown sequence: condenser/  
absorber loss of flow  
Refrigerant temperatures and pressures:  
• Solution temperature leaving generator  
• Solution temperature entering  
generator  
• Low condenser/absorber water  
temperature  
• High-pressure cutout  
• Evaporator leaving-fluid temperature  
cutout  
• Generator-leaving concentration  
• Generator cutout and monitor  
temperature  
• Crystallization detection temperature  
• Crystallization trip temperature  
• Saturated condenser refrigerant  
temperature  
• Absorber-entering concentration  
• LiBr crystallization margin  
• Solution temperature entering absorber  
• Absorber spray temperature  
• Solution temperature leaving absorber  
• Saturated evaporator refrigerant  
temperature  
• Evaporator leaving-water temperature  
• Evaporator entering-water temperature  
• Absorber entering-water temperature  
• Absorber leaving-water temperature  
• Condenser leaving-water temperature  
• Solution pump auto/manual speed  
command  
• Motor current overload  
• High motor-winding temperature  
• Over/under voltage (optional)  
• Purge limit  
• Sensor failure detection  
Monitored Points  
Chiller information is available at the  
operator interface via a clear language  
display. Access to the information is  
through four dedicated report keys:  
Customer, Chiller, Cycle and Pump/  
Purge.  
Customer Report  
User-defined custom report (operator  
may choose up to 20 points from a list of  
over 100 choices).  
Chiller Report  
• Energy input auto/manual/slaved  
reported command  
• Steam Supply Pressure  
• Generator Steam Pressure  
Status, fluid temperatures, and setpoints:  
• Operating mode (i.e. run status)  
• Chilled-water setpoint  
• Evaporator entering/leaving water  
temperatures  
• Absorber entering/leaving water  
temperatures  
• Condenser leaving-water temperature  
outdoor air temperature  
• Evaporator leaving-water temperature  
• Chilled-water reset  
Pump/Purge Report  
• Solution pump  
— Counters for starts and hours  
— Motor phase currents  
— Motor phase voltages (optional)  
• Purge Pump  
— Operating mode and status  
— Refrigerant suction temperature  
— Pumpout rate  
— Total pumpout time  
— Service log  
22  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Controls Data  
Ease of Use  
Diagnostics  
• Keypad programmability — no manual  
switches or setpoint potentiometers  
• Logically arranged report groups with  
report header and setpoint groups  
• Selectable security  
The absorption chiller Unit Control Panel  
(UCP2) provides over 70 different  
diagnostics such as:  
• Water and refrigerant/solution  
temperatures out of range  
• Loss of system waterflows  
• Sensor and switch faults  
• Overload trips  
• Over/under voltage (optional)  
• Crystallization recovery  
• Emergency stop  
• Variable points updated every two  
seconds  
• Messages that direct user to problem  
source via a menu item  
Trane ICS Compatibility  
The Trane absorption chiller control  
panel, UCP2, is 100 percent compatible  
with the Trane Integrated Comfort™  
systems, ICS, UCP2 easily integrates into  
the Tracer® family of flexible chiller-plant  
system controllers with a single twisted-  
wire pair communications cable.  
• Loss of communication to other  
modules  
• Motor abnormal  
Operator Interface  
The Trane Horizon® steam-fired  
absorption chiller control panel, UCP2, is  
easy to use, understand, access  
information, read, change setpoints,  
diagnose problems, maintain, and to  
reset after shutdown.  
For more information on the Trane  
absorption chiller unit control panel,  
please contact your local Trane sales  
engineer.  
Convenience  
Enunciation of all information is at the  
front panel display (including power,  
voltage, amps, purge pressures, and  
number of starts data). Messages are  
displayed using clear language.  
Readability  
• Two-line, 40-character display that is  
easy to read from within a 60-degree  
angle  
• LCD backlight so that the display can be  
read in a variety of equipment-room  
lighting  
• Seven languages available  
• Metric (SI) units available  
• Complete character human interface  
available  
ABS-PRC001-EN  
23  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Physical  
Dimensions  
This section provides the overall dimensions of the Horizon absorption chiller.  
See unit submittal drawings for configured water nozzle connection dimensions.  
A 500 Ton 2 pass absorber and condenser is illustrated. All catalog dimensional  
drawings are subject to change. Current submittal drawings should be referred to for  
detailed dimensional information. Contact the local Trane sales office for submittal  
and template information.  
ABSD 500, 600, 700, 800  
Physical Dimensions  
English and SI Units  
Table DW-1. Dimensional data  
English Units  
Unit  
500  
600  
700  
800  
A
B
C
D
E
F
13’-9½”  
16’-5½”  
14’-5½”  
17’-1½”  
19’-9½”  
22’-5½”  
1’-73/8  
”
17’-9¾”  
20’-7¼”  
23’-3¼”  
25’-11¼”  
14’-21/8  
”
”
8’-07/8  
”
1’-87/8  
”
”
”
16’-101/8  
10’-87/8  
”
19’-13/8  
”
”
1’-87/8  
19’-61/8  
22’-21/8  
”
”
13’-111/8  
16’-107/8  
”
”
21’-93/8  
1’-87/8  
SI Units  
C
Unit  
500  
600  
700  
800  
A
B
D
E
F
4204  
5017  
5826  
6639  
4407  
5220  
6033  
6845  
492  
530  
530  
530  
5429  
6280  
7093  
7906  
4321  
5134  
5947  
6760  
2461  
3273  
4245  
5153  
24  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Physical  
Dimensions  
Table DW-2. English to SI Units  
Cross Reference  
Conversion Chart  
(Ft. to mm)  
English Units  
1 7/8"  
SI Units  
48  
2"  
51  
1' 0 5/16"  
1' 1 1/2"  
1’ 1 9/16”  
1' 3 1/2"  
1' 8"  
313  
343  
344  
394  
508  
1' 8 7/8"  
1' 11 9/16"  
2' 0 1/2"  
2' 8"  
530  
598  
622  
813  
2' 8 5/8"  
3' 1"  
829  
940  
3' 1 3/4"  
3’ 1 13/16”  
3' 5 7/8"  
3' 6"  
3' 9"  
4' 0 1/8"  
4' 6"  
4' 9"  
5' 3 7/8"  
6' 3"  
7' 4"  
959  
960  
1064  
1067  
1143  
1222  
1372  
1448  
1622  
1905  
2235  
2272  
2593  
2886  
2910  
7' 5 7/16"  
8' 6 1/16"  
9' 5 1/`16"  
9' 6 9/16"  
ABS-PRC001-EN  
25  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Physical  
Dimensions  
This section provides the overall dimensions of the Horizon absorption chiller.  
See unit submittal drawings for configured water nozzle connection dimensions. All  
catalog dimensional drawings are subject to change. Current submittal drawings  
should be referred to for detailed dimensional information. Contact the local Trane  
sales office for submittal and template information.  
ABSD 975, 1100, 1225, 1350  
Physical Dimensions  
English and SI Units  
Table DW-3. Dimensional data  
English Units  
Unit  
A
B
D
E
F
975  
17' - 7 1/2"  
19' - 7 1/2"  
21' - 7 1/2"  
23' - 7 1/2"  
18' - 0"  
20' - 0"  
22' - 0"  
24' - 0"  
21' - 8"  
23' - 8"  
25' - 8"  
27' - 8"  
17' - 3"  
19' - 3"  
21' - 3"  
23' - 3"  
N/A  
N/A  
N/A  
N/A  
1100  
1225  
1350  
SI Units  
Unit  
975  
1100  
1225  
1350  
A
B
D
E
F
5372  
5982  
6591  
7201  
5486  
6096  
6705  
7315  
6604  
7214  
7823  
8433  
5258  
5868  
6477  
7087  
N/A  
N/A  
N/A  
N/A  
26  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Physical  
Dimensions  
Table DW-4. English to SI Units  
Cross Reference  
Conversion Chart  
(Ft. to mm)  
English Units  
4' - 2 1/16"  
2"  
SI Units  
50  
51  
3 1/4"  
83  
9 1/2"  
241  
10 1/16"  
256  
1' - 2 3/4"  
1' - 3 1/2"  
1' - 4 7/16"  
1' - 9 7/8"  
2' - 3 5/8"  
3' - 3 1/8"  
3' - 4"  
3' - 6"  
3' - 8"  
4' - 6"  
5' - 1 15/16"  
5' - 2 7/16"  
5' - 9 3/4"  
6' - 0"  
6' - 9 7/8"  
7' - 4 1/8"  
8' - 2 5/16"  
8' - 4 1/4"  
8' - 10 5/8"  
9' - 6 9/16"  
9' - 7 11/16"  
11' - 6 1/4"  
11' - 7 1/2"  
375  
394  
418  
556  
702  
994  
1016  
1067  
1118  
1372  
1573  
1586  
1772  
1829  
2080  
2238  
2497  
2546  
2708  
2910  
2938  
3512  
3543  
ABS-PRC001-EN  
27  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Disassembly  
Options  
Separated Machine Sections  
Figure DW-1. Disassembly options – right end view  
Disassembled machines can ship to the  
job site in two main sections, the  
evaporator/ absorber as a section and  
the low temperature generator/  
condenser as a separate section. Contact  
the local Trane sales office for current  
submittal information.  
Table DW-5. Disassembly and center of gravity dimensions  
Unit Size  
500  
600  
700  
800  
975  
1100  
1225  
1350  
English Units  
5’ 11¼”  
A
B
C
D*  
E
F
5’ 11¼”  
5’ 11¼”  
5’ 11¼”  
8'-2 3/8  
”
8'-2 3/8  
”
8'-2 3/8  
”
8'-2 3/8  
”
3’ 5 5/8  
3’ 9 3/8  
7’ 3”  
”
”
3’ 5 5/8  
”
3’ 5 5/8  
”
3’ 5 5/8  
”
3'-11¼”  
4'-8 ¾"  
3'-11¼”  
4'-8 ¾"  
3'-11¼”  
4'-8 ¾"  
3'-11¼”  
4'-8 ¾"  
3’ 10”  
7’ 3”  
3’ 10 1/8  
7’ 3”  
”
3’ 10 3/8  
7’ 3”  
”
8'-2 5/8  
"
"
8'-2 5/8  
"
"
8'-2 5/8  
"
"
8'-2 5/8  
"
3’ 2 5/8  
6’ 0 3/8  
2’ 9”  
”
”
3’ 2 5/8  
6’ 0 3/8  
2’ 9”  
”
”
3’ 2 5/8  
6’ 0 3/8  
2’ 9”  
”
”
3’ 2 5/8  
6’ 0 3/8  
2’ 9”  
”
”
4'-2 3/8  
7'-7"  
4'-2 3/8  
7'-7"  
4'-2 3/8  
7'-7"  
4'-2 3/8  
7'-7"  
"
G
H
3'-8 1/2  
"
"
3'-8 1/2  
"
"
3'-8 1/2  
"
"
3'-8 1/2  
"
1’ 6½”  
1’ 6½”  
1’ 6½”  
1’ 6 ½”  
SI Units (mm)  
1810  
1057  
1178  
2210  
981  
1838  
838  
2'-0 3/8  
2'-0 3/8  
2'-0 3/8  
2'-0 3/8  
"
A
B
C
D
E
F
G
H
1810  
1057  
1153  
2210  
981  
1838  
838  
470  
1810  
1057  
1168  
2210  
981  
1838  
838  
470  
1810  
1057  
1172  
2210  
981  
1838  
838  
470  
2499  
1200  
1441  
2505  
1280  
2311  
1130  
619  
2499  
1200  
1441  
2505  
1280  
2311  
1130  
619  
2499  
1200  
1441  
2505  
1280  
2311  
1130  
619  
2499  
1200  
1441  
2505  
1280  
2311  
1130  
619  
470  
*Indicates overall height of chiller. The top of the evaporator shell is the highest point on chiller sizes 975-1350 tons. The top of the control panel is the highest point on chillers 800 tons and  
below.  
28  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Rigging  
Figure DW-2. Typical machine rigging points  
Foundation Support  
The foundation must be level, smooth,  
and capable of supporting the machine  
weight. The machine legs should be  
positioned over isolation pads. A  
housekeeping pad or support rail is  
recommended to elevate the machine  
for maintenance. Any foundation pad  
should provide adequate structural  
support and keep the installed machine  
level within 1/16-inch [1.6 mm] by length  
and width for reliable operation.  
Leveling marks on the evaporator and  
absorber tube sheet can be used to  
check the machine after it is positioned  
on the pad.  
Chiller Isolation  
Isolation pads are provided with each  
unit. The purpose of the isolation pad is  
to distribute the machine weight and  
minimize sound and vibration  
transmission through the building  
structure.  
Figure DW-3. Unit anchoring detail – all sizes  
ABS-PRC001-EN  
29  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Service  
Clearances  
Dimensions  
and Weights  
Figure DW-4. Service clearances  
30  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Service  
Clearances  
Table DW-6. Service clearances  
English Units  
Unit Size  
500  
600  
700  
44' - 6 1/4  
800  
975  
40' - 11 7/8  
13' - 4 1/8  
1100  
1225  
1350  
A
B
C
D
E
33' - 10 1/4  
10' - 1"  
"
39' - 2 1/4  
12' - 9"  
13' - 11 7/8  
6' - 0"  
"
"
49' - 10 1/4  
18' - 1"  
"
"
44' - 11 7/8  
"
48' - 11 7/8  
"
52' - 11 7/8  
"
15' - 5"  
"
15' - 4 1/8  
"
17' - 4 1/8  
"
19' - 4 1/8  
"
11' - 3 7/8  
"
"
16' - 7 7/8  
6' - 0"  
"
19' - 3 7/8  
"
15' - 1"  
5' - 7 3/8  
5' - 3 1/2  
17' - 1"  
5' - 7 3/8  
5' - 3 1/2  
19' - 1"  
5' - 7 3/8  
5' - 3 1/2  
21' - 1"  
5' - 7 3/8  
5' - 3 1/2  
6' - 0"  
5' - 3"  
8' - 6"  
13' - 9"  
5' - 7"  
4' - 1"  
6' - 0"  
5' - 3"  
8' - 6"  
13' - 9"  
5' - 7"  
4' - 1"  
"
"
"
"
"
"
"
"
5' - 3"  
8' - 6"  
13' - 9"  
5' - 7"  
5' - 3"  
8' - 6"  
13' - 9"  
5' - 7"  
F
9' - 10 7/8  
"
9' - 10 7/8  
"
"
9' - 10 7/8  
"
"
9' - 10 7/8  
"
"
G
H
J
K
L
M
N
P
15' - 2 3/8  
"
15' - 2 3/8  
15' - 2 3/8  
15' - 2 3/8  
5' - 7 3/8  
5' - 4 1/4  
8"  
"
"
5' - 7 3/8  
5' - 4 1/4  
8"  
"
"
5' - 7 3/8  
5' - 4 1/4  
8"  
"
"
5' - 7 3/8  
5' - 4 1/4  
8"  
"
"
4' - 1"  
4' - 1"  
5 3/8  
10 3/4  
10 1/2  
"
5 3/8  
"
5 3/8  
"
5 3/8  
10 3/4  
10 1/2  
3' - 0"  
4' - 9"  
"
"
"
10 3/4  
"
"
10 3/4  
"
"
"
16"  
10"  
4' - 4"  
6' - 0"  
16"  
10"  
4' - 4"  
6' - 0"  
16"  
10"  
4' - 4"  
6' - 0"  
16"  
10"  
4' - 4"  
6' - 0"  
10 1/2  
10 1/2  
"
3' - 0"  
4' - 9"  
3' - 0"  
4' - 9"  
3' - 0"  
4' - 9"  
SI Units (mm)  
Unit Size  
500  
600  
700  
800  
975  
1100  
13713  
4677  
5207  
1711  
1613  
3019  
4632  
1711  
1632  
203  
1225  
14932  
5286  
5817  
1711  
1613  
3019  
4632  
1711  
1632  
203  
1350  
16151  
5896  
6426  
1711  
1613  
3019  
4632  
1711  
1632  
203  
A
B
C
D
E
10319  
3073  
3451  
1829  
1600  
2591  
4191  
1702  
1245  
137  
11944  
3886  
4264  
1829  
1600  
2591  
4191  
1702  
1245  
137  
13570  
4699  
5077  
1829  
1600  
2591  
4191  
1702  
1245  
137  
15196  
5512  
5890  
1829  
1600  
2591  
4191  
1702  
1245  
137  
12494  
4067  
4597  
1711  
1613  
3019  
4632  
1711  
1632  
203  
F
G
H
J
K
L
273  
273  
273  
273  
406  
406  
406  
406  
M
N
P
267  
914  
1448  
267  
914  
1448  
267  
914  
1448  
267  
914  
1448  
254  
1321  
1829  
254  
1321  
1829  
254  
1321  
1829  
254  
1321  
1829  
Rigging and Service Clearances  
Service clearance is required on all sides  
of the machine. Pay particular attention  
to the control panel door clearance and  
the clearance at one end for tube service.  
Figure DW-4 and Table DW-6 illustrate  
the recommended clearances for normal  
service and tube replacement. When  
sufficient overhead clearance exists, we  
recommend placing a 6-8 inch  
(150-200 mm) extension underneath the  
machine legs for additional access under  
the chiller.  
Overhead lift is the recommended  
method when moving a machine.  
Before lifting the machine, determine the  
approximate location of the center of  
gravity.  
ABS-PRC001-EN  
31  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Cold  
Insulation  
Figure DW-5. Cold insulation  
Low Temperature Insulation (Cold  
Insulation Type)  
Cold insulation can be ordered as a  
factory-installed option. The quantity  
and the areas to be covered are  
illustrated in Table DW-7 and  
Figure DW-5.  
Table DW-7. Cold insulation area and length  
English Units  
Refrigerant Storage  
Tubesheets  
& Water Boxs  
500T-800T 99.74 sq. ft  
Tank Circuit  
45.01 sq. ft  
Evaporator Shell  
500T 97.65 sq. ft  
600T 115.87 sq. ft  
700T 134.12 sq. ft  
800T 152.32 sq. ft  
2" Pipe  
500T-800T 11.19 LN FT  
4.50" Pipe  
500T-800T 2.625 LN FT  
500T  
600T  
700T  
800T  
55.53 sq. ft  
66.04 sq. ft  
76.55 sq. ft  
Refrigerant Storage  
Tank Circuit  
975T-1350T 64.876 sq. ft  
Tubesheets  
& Water Boxs  
975T-1350T 164.32 sq. ft  
Evaporator Shell  
975T 154.24 sq. ft  
1100T 171.58 sq. ft  
1225T 188.91 sq. ft  
1350T 206.26 sq. ft  
3.50" Pipe  
975T-1350T 5.97 LN FT  
4.00" Pipe  
975T-1350T 2.92 LN FT  
4.50" Pipe  
975T-1350T 2.24 LN FT  
SI Units  
Refrigerant Storage  
Tank Circuit  
Tubesheets  
& Water Boxs  
500T-800T 9.27 sq. m  
Evaporator Shell  
500T 9.07 sq. m  
600T 10.76 sq. m.  
700T 12.46 sq. m.  
800T 14.15 sq. m.  
2" Pipe  
500T-800T 3411 mm  
4.50" Pipe  
500T-800T 800 mm  
500T  
600T  
700T  
800T  
4.18 sq. m  
5.16 sq. m.  
6.14 sq. m.  
7.11 sq. m.  
Refrigerant Storage  
Tank Circuit  
975T-1350T 6.03 sq. m  
Tubesheets  
& Water Boxs  
975T-1350T 15.27 sq. m  
Evaporator Shell  
975T 14.33 sq. m  
1100T 15.94 sq. m.  
1225T 17.55 sq. m.  
1350T 19.16 sq. m.  
3.50" Pipe  
975T-1350T 1820 mm  
4.00" Pipe  
975T-1350T 890 mm  
4.50" Pipe  
975T-1350T 683 mm  
32  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Dimensions  
and Weights  
Weights and  
Connection Sizes  
Table DW-8. Weights and connection sizes  
English Units  
Weights  
Connection Sizes  
Unit Charging  
Shipping  
Operating  
[lbm]  
Evap  
[in]  
8
8
10  
10  
12  
12  
Cond/Abs  
54.7% Brine  
[lbm]  
3620  
Refrigerant  
[gal]  
150  
Model  
[lbm]  
22900  
25500  
28000  
30600  
36305  
38769  
41450  
43941  
[in]  
8
8
10  
10  
12  
12  
12  
12  
ABSD 500  
ABSD 600  
ABSD 700  
ABSD 800  
ABSD 975  
ABSD 1100  
ABSD 1225  
ABSD 1350  
31800  
35700  
40100  
44200  
49910  
53487  
57262  
60776  
4040  
4620  
5140  
5080  
5499  
5880  
6215  
190  
230  
270  
162  
179  
197  
213  
12  
12  
SI Units  
Weights  
Connection Sizes  
Unit Charging  
Shipping  
[kg]  
Operating  
[kg]  
Evap  
[mm]  
203  
203  
254  
254  
305  
305  
305  
305  
Cond/Abs  
[mm]  
203  
203  
254  
254  
305  
305  
305  
54.7% Brine  
[kg]  
Refrigerant  
[l]  
Model  
ABSD 500  
ABSD 600  
ABSD 700  
ABSD 800  
ABSD 975  
ABSD 1100  
ABSD 1225  
ABSD 1350  
10400  
11500  
12700  
13900  
16468  
17585  
18802  
19931  
14400  
16200  
18200  
20100  
22639  
24262  
25974  
27568  
1642  
1833  
2096  
2331  
2304  
2494  
2667  
2819  
568  
719  
871  
1022  
613  
679  
745  
805  
305  
ABS-PRC001-EN  
33  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Job Site  
Connections  
Steam Supply and  
Condensate Piping  
Figure JC-1. Typical steam supply piping  
Steam Supply  
Figure JC-1 illustrates a typical steam-  
supply piping illustration that includes  
the appropriate hardware.  
The steam supply piping should be  
designed in accordance with good  
design practice, providing strainers,  
unions and gate valves for ease of  
operation and maintenance. A properly  
sized steam-modulating valve, based on  
design flow and pressure drop  
requirements, is provided by The Trane  
Company.  
A hand valve in the steam supply piping  
is recommended when the machine will  
be out of operation for an extended  
period. The modulating steam valve  
may experience a small amount of  
leakage during shutdown. This leakage  
may result in heating of the equipment  
room unless the machine is properly  
isolated with a hand valve.  
Table JC-1. Steam supply and condensate return piping responsibilities  
Material Provided By  
Installed By  
Trane Other  
X
Item  
Trane  
Other  
Energy Valve  
X
In all applications, it is recommended  
that the steam supply pressure to the  
control valve inlet not exceed design to  
ensure that the valve closes properly. If  
steam supply pressures exceed design, a  
pressure reducing station should be  
used to control the steam pressure to the  
valve.  
T-Type Strainer, Flanged connections, gate valve, drip leg  
w/dirt pocket, float and thermostatic trap, pressure gauge vent  
and valve, pressure reducing valve, pressure gauge, relief valve  
check valve, connecting piping.  
X
X
Rupture Disk Assembly  
X
X
Rupture Disk Piping  
X
X
The unit control has adjustable features  
that minimize steam draw on start-up.  
The adjustable steam-control feature  
allows the user to adapt the machine to  
the available steam source capability.  
34  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Job Site  
Connections  
Steam Supply and  
Condensate Piping  
Condensate Handling  
Packaged Condensate Systems  
Figure JC-1 illustrates a typical  
condensate system consisting of steam  
traps, condensate receivers and  
condensate pumps. Such systems  
provide the most economical method for  
returning condensate to a boiler.  
Properly-sized float and thermostatic  
traps are required for proper operation.  
The use of bucket traps is not  
recommended.  
Several manufacturers have available  
packaged condensate-pump systems,  
designed for various condensate  
temperatures. A decision regarding the  
use of these systems with a Trane  
absorption machine should be based on  
a thorough economic analysis of the  
particular installation. The following  
factors should be considered:  
1. Condensate may flash in the receiver  
less than 20 percent of the total  
operating time in a typical installation.  
The amount of condensate that may  
flash varies from a maximum of three  
percent at full load, to none at less  
than 70 percent load. A subcooler can  
be used to eliminate the small amount  
of flashing that may occur when the  
machine is operating under heavy  
load.  
Trane absorption machines use steam-  
throttling control. A maximum of three  
percent of the condensate may flash to a  
vented receiver at full load. This flashing  
decreases as the load decreases, and is  
virtually nonexistent below 70 percent  
load. When the machine is operating at  
less than 70 percent load, the pressure in  
the generator tube bundle may be below  
atmospheric pressure. The temperature  
of the condensate leaving the machine  
under these conditions is less than 212°F  
[100°C], so flashing does not occur.  
2. The condensate system must prevent  
condensate from backing up into the  
machine at part load when the  
A subcooler may be installed ahead of  
the receiver to cool the condensate to a  
temperature below the saturation  
temperature at atmospheric pressure,  
thus eliminating flashing entirely. It is  
recommended that a cooling medium,  
such as boiler feed water, be used to  
keep this energy within the system. The  
pressure drop through the subcooler  
should be minimized.  
pressure in the generator tube bundle  
is below atmospheric pressure.  
3. The condensate system must not  
draw supply steam through the  
machine. This reduces the machine  
efficiency and may offset any potential  
energy savings that might otherwise  
be realized by the use of the  
condensate return system. Also,  
reduced tube life would result due to  
erosion.  
Figure JC-1 indicates an equalizer line  
installed to avoid condensate backup in  
the machine. The swing check opens if a  
vacuum develops within the tube bundle  
under part-load operation.  
If the decision is made to use a packaged  
condensate-pump system, follow the  
manufacturer’s recommendations  
regarding its application.  
This prevents development of a lower  
pressure in the concentrator than at the  
outlet of the trap.  
ABS-PRC001-EN  
35  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Job Site  
Connections  
Hot Water  
Piping  
Figure JC-2. Hot water supply piping – 270°F and below with 3-way energy valve  
Hot Water Piping  
The hot water system must be designed  
such that it will avoid fluctuations in the  
pressure differences across the control  
valve. Trane absorption chillers for use  
with hot water may be used at an  
entering hot-water temperature of 270°F  
[132°C] or below. Piping for a typical hot  
water installation using a temperature of  
270°F [132°C] or less is shown in Figure  
JC-2. In this arrangement, a three-way  
energy valve is used to control capacity  
by varying the quantity of hot water  
flowing through the chiller, while  
maintaining a constant supply and  
return flow rate. As shown in Figure  
JC-3, a two-way energy valve can also  
be used where the return and supply  
flow rates can vary. The generator  
design is rated to 150 psig [10.3 bars]  
with a 400 psig [27.6 bars] optional  
design available.  
Figure JC-3. Hot water supply piping – 270°F and below with 2-way energy valve  
When the supply-water temperature  
exceeds 270°F [132°C], a separate  
circulating pump is recommended in a  
run-around loop as shown in Figure  
JC-4. The hot water for the absorption  
machine should be taken from a header  
installed between the hot-water supply  
and return mains. The flow of hot water  
through the machine is held constant,  
but the temperature of the circulating  
water is varied to meet load  
requirements by modulating the amount  
of high-temperature supply water added  
to the loop. This is done by installing a  
two-way modulating valve at the loop  
outlet. The valve responds to the chilled-  
water temperatures, but limits the water  
temperature entering the machine to a  
maximum of 270°F [132°C].  
Hot Water Valves  
Trane provides hot-water temperature-  
control valves with the machine for  
installation by the contractor at the job  
site. These valves are selected by The  
Trane company based on data provided  
by the contractor (*i.e. water flow to be  
used and the design pressure-drop  
across the valve.)  
It is desirable to use the smallest valve,  
with the highest pressure drop,  
appropriate to the design water flow and  
allowable pressure drop in the system.  
The smaller the valve, the better the  
control.  
36  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Job Site  
Connections  
Hot Water  
Piping  
Figure JC-4. Hot water supply temperature piping above 270°F  
Table JC-2. Hot water supply piping responsibilities  
Material Provided By  
Installed By  
Trane Other  
X
Item  
Energy Valve (2-Way/3-Way)  
Trane  
X
Other  
Gate valve, balance valve, Y-type strainer w/valve,  
bypass circuit, check valve, thermometer, pressure gauge,  
vent shutoff valve, union or flanged connection circulating pump  
Rupture Disk Assembly  
X
X
X
X
Rupture Disk Piping  
X
X
ABS-PRC001-EN  
37  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Job Site  
Connections  
Cooling  
Water Piping  
Figure JC-5. Cooling-water piping with cooling tower  
Cooling Water Piping  
The cooling water piping design for the  
Horizon series of absorption chillers  
differs from conventional reciprocating  
or centrifugal systems, in that cooling  
water passes through the absorber  
section of the machine prior to entering  
the condenser.  
The Horizon Single Stage absorption  
chiller is designed to start and operate  
with cooling-water temperatures as low  
as 55°F [12.8°C]. In typical applications,  
the machine is selected on the basis of  
the cooling-water temperature that will  
be available at full-load and at the design  
outside conditions. In air conditioning  
applications utilizing a cooling tower, this  
is usually 85°F [29.4°C].  
With a cooling tower sized at design  
conditions, the temperature of the  
cooling-water supply to the unit will  
decrease with any decrease in cooling  
load or outside wet-bulb temperature.  
The lower cooling-water temperature  
would normally tend to increase the  
capacity potential of the unit. In the  
Trane design, the UCP2 adaptive  
Figure JC-6. Cooling-water piping, three-way mixing valve  
controls will limit the energy input of the  
machine based on the entering cooling  
water temperature, thereby preventing  
overfiring of the machine.  
In typical air-conditioning applications,  
precise cooling-water temperature  
control is not required. In process  
applications, however, where extremely  
close control of leaving chilled-water is  
required, it is recommended that a tower  
valve be used to maintain cooling-water  
temperature at a specified temperature.  
Constant cooling-water temperature  
allows the unit control valve to more  
precisely control leaving chilled-water  
temperature. Also, in applications where  
well water or other cooling water will be  
available at a temperature below 65°F  
[18.3°C], a control valve is recommended  
to maintain the temperature at 65°F  
[18.3°C] or above. Changes in condenser  
water temperature should not exceed  
1°F per minute in the range of 75°F to  
95°F [23.9 to 35°C].  
Figure JC-5 illustrates a typical air-  
conditioning installation without a  
cooling-tower control valve. Figure JC-6  
illustrates typical cooling-water piping in  
applications where a three-way valve  
may be required. Figure JC-7 illustrates  
typical cooling-water piping utilizing well  
or river water.  
38  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Job Site  
Connections  
Cooling  
Water Piping  
Figure JC-7. Cooling-water piping with well or river water  
Table JC-3. Condenser/absorber piping responsibility  
Material Provided By  
Installed By  
Item  
Crossover Pipe  
Trane  
(factory installed  
option)  
Other  
X
Trane Other  
(factory installed  
(option)  
X or  
X or  
Flow Switch  
(optional)  
X or  
X
X
X
X
Balancing valve, gate valve, thermometer  
(optional), pressure gauge vent and shutoff  
valve, Victaulic or flange connection, pipe stub,  
strainer, pump.  
ABS-PRC001-EN  
39  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Mechanical  
Specifications  
General  
Heat Exchangers  
Optional Lithium Bromide  
The unit is a complete, single-effect  
steam- or hot-water-fired absorption  
chiller package, built in an ISO 9001  
environment. The chiller consists of  
generator/condenser section,  
A brazed-plate solution heat exchanger  
is provided to reduce energy use and  
improve unit performance. Heat  
exchanger surfaces are 300 series  
stainless steel.  
Filter  
The filter system consists of the filter  
assembly and the associated piping and  
filter-isolation valves needed for  
operation and maintenance. The main  
filter body is stainless steel with a  
removable, cleanable, stainless steel  
internal 150-micron element. The filter  
isolation valves allow service of the filter  
assembly without disturbing the  
operation of the rest of the machine.  
evaporator/absorber section, controls,  
pumps, heat exchanger, and energy  
control valve. All units are of hermetic  
design, factory-assembled and-leak-  
tested prior to shipment. Units can be  
separated and shipped disassembled for  
rigging purposes. Unit controls are  
factory mounted and wired, including  
microelectronic control panel, sensors  
and purge system. An energy valve can  
be factory mounted and wired as an  
option on steam-fired units. The unit is  
painted prior to shipping with two coats  
of a water-base air-dry primer. Standard  
method of shipment is by truck.  
Pumps  
Solution and refrigerant are circulated by  
means of three hermetic, single-stage  
centrifugal pumps. The pump impellers  
are cast iron, with a steel shaft supported  
by two tapered carbon bearings. The  
bearings are lubricated and the motor is  
cooled via the pumped fluid. Adjustable-  
frequency drives are provided on the  
generator pump and absorber pump to  
provide solution flow control.  
Control Panel  
The UCP2™ is a microprocessor-based  
chiller control system that provides  
complete stand-alone operation. It is a  
factory-mounted package, including a  
full complement of controls to safely and  
efficiently operate the absorption liquid  
chiller. The UCP2™ provides:  
Automatic Purge System  
The purge system utilizes an eductor for  
moving noncondensables to the  
condenser, Purifier™ Purge to collect the  
noncondensables in an external storage  
tank, and a vacuum pump for removal of  
the noncondensables. The purge  
operates automatically to remove  
noncondensables from the unit during  
periods of chiller operation and  
shutdown. Logging of purge  
• Chilled-water temperature control  
• Concentration control  
Generator/Condenser-  
Evaporator/Absorber  
System Features and Functions  
• User interface with a 40-character,  
2-line display capable of displaying  
7 languages and SI or English units,  
and a 16 key keypad  
• Passwords for protection of unit setup  
and configuration  
• Chilled-water pump control  
• Absorber/condenser pump control  
• Automatic and manual control of  
solution and refrigerant pumps  
• Economical solution-flow control of the  
low-temperature solution pump and  
absorber pump via an adjustable-  
frequency drive  
The shell material is carbon steel. The  
standard generator tube material is  
cupro-nickel, the evaporator is copper,  
absorber is cupro-nickel or copper and  
the condenser is copper. Tubes are  
mechanically rolled into the tube sheets  
and are replaceable from either end.  
The condenser, evaporator and absorber  
tube supports are fixed. The generator  
consists of fixed and floating tube  
supports to allow for even tube  
information is provided via the unit  
control panel.  
Generator  
The shell is carbon steel. Tube sheets are  
steel and standard generator tubes are  
constructed of copper nickel. The  
generator has fixed and floating tube  
supports to allow for even tube  
expansion. Solution spray systems are  
replaceable from one end of the unit  
without sacrificing the hermetic integrity  
of the unit.  
• Anti-crystallization through dilution  
control  
• Automatic and manual purge system  
• Chilled-water reset  
expansion. The steam side of the  
generator is designed and stamped for  
50 psi ASME construction. For hot water  
as the energy source, the generator is  
ASME designed and stamped for 150 or  
400 psi [10.3 or 27.6 bars]. The generator/  
condenser includes a rupture disk, which  
is sized to meet ANSI/ASHRAE B 15.  
Design working pressure for the water  
boxes is 150 psig [10.3 bars]. All tube  
bundles are tested at 150 percent of  
design working pressure. All water  
boxes have gasketed, removable covers  
for access. Optional marine-type water  
boxes can be provided on the condenser  
and absorber. Water connections are  
provided with either victaulic or raised-  
face flanged connections.  
• Two-way valve assembly for hot-water  
flow control or steam flow control  
• Concentration control  
• Steam adaptive flow control  
40  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Mechanical  
Specifications  
Adaptive Limits  
11. Provide an appropriately-sized  
vacuum pump and personnel to  
evacuate the unit prior to charging (if  
required).  
12. Field assemble machines (if required)  
and leak test in accordance with  
instructions in the manufacturer’s  
installation bulletin.  
13. Connect the rupture disc to an  
appropriate floor drain or retention  
chamber. The vent piping shall be  
supported and connected by a  
flexible connector to prevent stress at  
the connection.  
14. Install any control components  
provided by the manufacturer for  
installation external to the machine.  
15. Furnish and install, external to the  
unit control panel, a separately-fused  
disconnect switch, if not provided.  
16. Install required power supply wiring  
to the control panel. Use copper wire  
only.  
Contractor Responsibilities  
1. Install the unit on a level surface.  
Neoprene isolation pads supplied by  
the manufacturer shall be placed  
under the unit.  
2. Connect the unit control panel to all  
operating external safety and  
auxiliary control devices.  
3. Insure that piping adjacent to the  
machine does not restrict removal of  
headers for inspection, cleaning and  
removing tubes.  
4. Provide gauge cocks and optional  
thermometer wells for temperature  
and pressure readings at the inlet  
and outlet of the evaporator, at the  
inlet and outlet of the absorber, and  
at the outlet of the condenser.  
5. Provide balancing valves in all  
external water circuits to allow  
balance and trim of the system.  
6. Provide and install strainers ahead of  
all pumps and automatic modulating  
valves to insure proper pump and  
valve operation.  
7. Insulate the chilled-water headers  
and other portions of the unit, as  
pointed out in the manufacturer’s  
installation literature, to prevent  
condensation on cold surfaces.  
8. Provide and install a flow switch in  
the chilled-water circuit, and interlock  
it with the starting control circuit of  
the unit. Proof of flow is required  
prior to permitting unit operation.  
Provide and install a flow switch in  
the tower-water circuit, which shall  
be interlocked with the starting  
control circuit of the unit such that  
proof of flow is required to prevent  
machine damage  
• Evaporator-water temperature limit  
• Low absorber/condenser limit  
• Soft-loading control  
System Protection  
• Evaporator freeze protection  
• Chilled-water flow confirmation  
• Cooling-water flow confirmation  
• Emergency stop/shutdown  
• Under/over voltage detection  
Monitor and Displays  
• Chilled-water temperature entering and  
leaving  
• Absorber/condenser water temperature  
entering and leaving  
• Solution concentrations  
• Solution temperatures  
• Total pump current  
• Unit voltage  
• Chiller run-time and starts  
• Purge operation and run time  
• Alarm light  
• Diagnostic messages  
• Help screens  
• Evaporator-water flow (option)  
• Cooling-water flow (option)  
Interfaces To UCP2™  
• External machine manual-reset alarm  
indication output  
• External machine auto-reset warning  
indication output  
Insulation Required  
Insulation is required on cold areas to  
prevent sweating. Insulation is available  
as a factory provided, factory installed  
option.  
Insulation for cold insulation area should  
be ¾-inch [19 mm] Armaflex or  
equivalent, and should be applied to  
evaporator waterboxes, refrigerant  
storage tank, refrigerant pump and  
refrigerant piping.  
• External limit warning-indication output  
• Maximum capacity indication output  
• External auto-stop/emergency  
shutdown  
• Interface to Tracer Summit™  
• External chilled-water setpoint  
• Tracer™ controlled relay  
• Printer interface  
Cold insulation area on ABSD requires  
__________ per unit.  
Cold insulation area for pipes on  
requires __________ linear ft. of pipe  
insulation.  
9. Provide necessary distilled or  
demineralized water for refrigerant  
charge and trim charge.  
10. Provide labor to charge the machine  
with lithium bromide solution and  
refrigerant water, and assist in  
machine starting and calibration  
under supervision of the  
manufacturer’s representative.  
ABS-PRC001-EN  
41  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Standard/Non-  
Standard/Design  
Special Options  
Standard Features  
Design Special Options  
In addition to the options already  
available, Trane’s design department is  
able to supply custom features for many  
special requirements.  
• Victaulic water connections  
• Variable-speed drives on solution  
pumps  
• 50,000 hours design life solution  
pumps  
• Corrosion resistant alloy tubes  
Generator – .028 wall, 90/10 cupro-  
nickel  
Evaporator – .025 copper  
Absorber 500-800 tonnages – .022” wall  
95/5 cupro-nickel  
975-1350 tonnages .028” wall copper  
Condenser – .028” wall copper  
• Factory-mounted and-tested  
microprocessor controls  
• 150 psig [10.3 bar] water boxes  
• Environmentally friendly inhibitor  
• Fixed and floating tube supports which  
allow for expansion of tubes without  
problems of high stress  
Examples are:  
• Factory provided, factory installed cold  
insulation  
• Heavy wall tubes  
• 90/10 CuNi, stainless steel and titanium  
tubes  
• 300 psig [20.7 bar] water boxes  
• NEMA 4 and 4X for additional chiller  
protection against outdoor elements or  
water impingement from various  
directions  
• Alternate pass arrangements  
• Marine-style evaporator water boxes  
• Epoxy paint system for added  
protection against outdoor elements or  
corrosive environments such as  
chemical plants or salt water locations  
• Custom color paints  
• Sacrificial anodes for use where  
corrosive water is present  
• Gantries for “swing out” water box  
covers for easy tube-cleaning capability  
• Custom control configurations  
• Specials for international code  
compliance  
• Designed, manufactured and tested for  
superior hermetic integrity  
• Fully automatic purge  
Options  
• Marine water boxes on the condenser  
and absorber sections  
• Factory installed cooling-water  
crossover pipe  
• Industrial duty factory mounted energy  
valve  
• 150 psig [10.3 bar] raised face flanges  
for the evaporator, condenser and  
absorber water connections  
• Major component disassembly in two  
pieces for installations that can benefit  
from the handling of smaller  
components.  
• Special packaging requirements  
• Options for using non-standard heat  
sources  
• Hinged water box covers  
• Lithium bromide filter  
• Stainless steel evaporator pan  
42  
ABS-PRC001-EN  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Standard  
Conversion  
Table  
ABS-PRC001-EN  
43  
Download from Www.Somanuals.com. All Manuals Search And Download.  
Literature Order Number  
File Number  
ABS-PRC001-EN  
PL-RF-ABS-000-PRC001-EN-0603  
ABS-PRC001-EN 0501  
Inland  
Supersedes  
Trane  
Stocking Location  
A business of American Standard Companies  
www.trane.com  
For more information contact your local sales office  
or e-mail us at [email protected]  
Trane has a policy of continuous product and product data improvement and reserves the right to change  
design and specifications without notice.  
Download from Www.Somanuals.com. All Manuals Search And Download.  

Teac Stereo System MCDV600 User Manual
Tiger Games 9 009 03 User Manual
Toastmaster Waffle Iron TWB2REGT User Manual
Toshiba DVD Player HD XA2KN User Manual
Troy Bilt Lawn Mower 769 09220A User Manual
Uniden Cordless Telephone EXI 7246 Series User Manual
Vermont Casting Indoor Fireplace 1990 User Manual
Viking Ventilation Hood DIV880 User Manual
VTech Cordless Telephone VT2650 User Manual
VTech Laptop 91 01592 006 User Manual