Weil McLain Ultra Series 2 User Manual

Condensing High  
Efficiency Gas Boiler  
Ratings - (5 sizes)  
80 MBH  
105 MBH  
155 MBH  
230 MBH  
310 MBH  
All with 20-100%  
Modulation  
Innovative  
Innovative combination of appearance, intelligence  
and technology.  
High Efficiency  
Over 92% AFUE and up to 98% for low temperature  
applications.  
Attractive  
The Ultra boiler features a new attractive design for  
installation in any setting.  
Intelligent  
Features PhD Technology - an intelligent system  
that delivers Precision Hydronic heating and  
hot water needs while maximizing efficiency by  
measuring and responding to the Data parameters  
of your heating system.  
High Technology  
Cast mono block aluminum heat exchanger. Gas  
valve, blower and venturi technology that constantly  
maintains optimal air and fuel ratio at all firing  
rates.  
Weil-McLain  
Boiler  
The Weil-McLain Ultra boiler has been designed for easy  
installation. The Ultra boiler requires minimal clearance  
and minimal floor space, and the same boiler can be  
used in floor standing or wall hung applications.  
Water and gas piping is conveniently arranged for connection  
at the top or bottom of the boiler. In fact, when using the  
boiler in a floor standing application, all boiler connections are  
on the top of the boiler except for the condensate drain.  
The electrical components have been pre-wired and labeled  
on separate line voltage and low voltage terminal strips.  
Terminal strips are provided for quick and easy field wiring.  
Venting has been simplified by using PVC for both exhaust  
and combustion air. Slide the PVC into the top outlet flue  
pipe adaptors and tighten the restraining ring. No messy  
sealants required. You can even achieve vent runs up to the  
equivalent of 100 feet.  
For fast and easy installation, combine an Ultra PLUS  
Indirect-Fired Water Heater with your Ultra boiler installation.  
Ultra PLUS water heaters come in three sizes:  
The Ultra comes with a side mounted service receptacle on  
a separate circuit for use with a condensate pump, service  
equipment or service light.  
PLUS 40  
PLUS 60  
PLUS 80  
The Ultra boiler is lightweight compared to a conventional  
boiler. Side jacket handles are provided for easy handling  
along with four adjustable boiler feet for easy placement and  
leveling.  
Combined with an Ultra boiler, the Ultra PLUS water heater  
provides more domestic hot water when you need it, while  
taking advantage of the extremely high efficiency of the Ultra  
boiler. A standard feature of the Ultra boiler control module  
is domestic hot water priority control, providing quicker  
response time for domestic hot water demands, along with  
faster recovery times for the hot water tank.  
The perfect match for an Ultra boiler is an Ultra PLUS Indirect-  
Fired Water Heater.  
High Efficiency And Environmentally Friendly  
All Ultra boilers feature AFUE efficiencies in the range of  
92.0 - 93.0%. These are some of the highest efficiencies in  
the industry, however, Ultra boilers, when used in common  
low temperature applications have annual efficiencies of  
98.0%. The Ultra boiler exceeds all of the requirements of  
the Department of Energy’s ENERGY STAR program.  
Besides being Ultra High Efficient, the Ultra boiler is  
environmentally friendly. Through PhD Technology and the  
use of our high grade burner, the Ultra boiler produces less  
NOx while exceeding all current environmental codes and  
is certified by South Coast Air Quality Management District  
(Rule 1146.2) in California.  
Condensing High Efficiency  
Gas Boiler  
20-100% Modulation  
SERIES 2  
STANDARD EQUIPMENT  
80  
105  
155  
230  
310  
Factory Tested  
Part No.  
Part No.  
Part No.  
Part No.  
Part No.  
Limited 15 Year Heat Exchange Warranty  
Homeowner Protection Plan with  
•5 years Parts and Labor  
Cast Aluminum Block  
-Natural Gas field convertible to LP as standard equip. except  
383-500-400 383-500-402 383-500-403 383-500-404  
383-500-401 NA  
007  
80  
PACKAGED BOILER  
383-500-405  
Natural Gas  
Propane Gas  
Taco Pump  
30 PSI ASME Relief Valve  
Drain Valve  
0011  
Stainless Steel Burner (80, 105 & 310)  
with woven steel fiber mesh  
(155 & 230)  
OPTIONALEQUIPMENT  
Wall Mounting Kit  
389-900-180  
383-500-080  
Matching Ultra PLUS 40, 60 and 80 Water Heaters Available  
NA  
Direct Spark Ignition  
Alarm Control Kit  
Variable Speed Blower Assembly  
Gas/Air Ratio Venturi with Air Silencer  
Negative Pressure Regulation Gas Valve  
50 VA Transformer  
Indirect-FiredWaterHeaters  
RATINGS  
CSA Input (Maximum)  
CSA Input (Minimum)  
DOE Heating Cap.  
Net I=B=R  
80 MBH  
16 MBH  
71 MBH  
62 MBH  
93.0%  
105 MBH  
21 MBH  
94 MBH  
81 MBH  
92.0%  
155 MBH  
31 MBH  
139 MBH  
123 MBH  
93.0%  
230 MBH  
46 MBH  
207 MBH  
183 MBH  
92.8%  
310 MBH  
62 MBH  
*289 MBH  
252 MBH  
*93.3%  
Combination T&P Gauge  
Outlet Water Temperature Sensor  
Return Water Temperature Sensor  
Flue Gas Temperature Sensor  
Outdoor Temperature Sensor  
12 AMP 110 V Circ. Relay (310 only)  
Control Module with  
DOE AFUE  
98.1%  
98.0%  
95.6%  
Weil-McLain Low Temp  
Seasonal Efficiency  
Boiler return water temp=90°F and boiler outlet water temp=110°F  
*Note: 310 ratings are gross output and combustion efficiency.  
Digital Display & Data Port  
Ignition Control  
DATA  
3 or 4 in.  
4 in.  
High Limit & Modulating Temp Control  
Low Water Protection  
Vent Size / Material  
3” PVC/ABS  
PVC/ABS  
PVC/ABS  
Combustion Air Size  
Water Volume  
Approx. Ship. Weight  
3 in.  
1.07 Gal.  
154 lbs.  
3 or 4 in.  
1.57 Gal.  
204 lbs.  
4 in.  
Outdoor Reset  
.95 Gal.  
149 lbs.  
1.17 Gal.  
193 lbs.  
2.1 Gal.  
254 lbs.  
DHW Priority  
Two Pump Controls  
(Heating & DHW)  
DIMENSIONS  
Supply Tapping  
Taco Boiler Circulators:  
1”  
1”  
1-1/4”  
1-1/4”  
3/4”  
1” flanges (80 & 105) Taco 007  
1” & 1-1/4” flanges (155, 230 & 310)  
Taco 0011  
Return Tapping  
Gas Connection Size  
Crate Dimensions  
1/2”  
56”Lx27”Wx27”H  
53-1/2”L x 27”W x 23-1/2”H  
Complete Jacket Assembly with  
Fully Removable Front Jacket Cover  
Adjustable Boiler Legs  
Sidewall Vent/Air Termination Kit  
Line & Low Voltage  
Pre-wired Terminal Strips  
On/Off Power Switch  
Line Voltage Service Receptacle  
Condensate Trap  
with Drain Tee Assembly  
Propane Conversion Orifice  
(All except Model 80)  
boilers are low NOx Certified by the  
South Coast Air Quality Management District  
(Rule 1146.2) in California.  
1 Supply Connection  
2 Return Connection  
3 Low Voltage Wire Opening  
4 Electrical Entrance Openings  
5 Vent Connection  
6 Air Connection  
7 Gas Connection  
In the interest of continual improvements in product and performance, Weil-McLain reserves the right to change specifications without notice.  
Weil-McLain  
Locate our Sales Offices by visiting our website:  
500 Blaine Street  
Michigan City, IN 46360-2388  
©2004 Weil-McLain  
Weil-McLain Ultra Boiler Patents Pending  
Form No. C-995R4(0504)  

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