Nortec Humidifier GS Series User Manual

GS  
Series  
Gas Steam  
Humidifiers  
Designed for air handling  
systems and for areas  
requiring individual  
humidification control  
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operating advantages  
Economy  
Annual Operating Cost of  
Natural Gas Humidifier vs Electric Humidifier  
NORTEC GS Series Gas Steam humidifiers  
provide clean steam humidification at an  
100 lbs/hr (45 kg/hr)  
6000  
economical operating cost. Units are packaged  
in a powder coated cabinet for zero clearance  
space requirement while offering high efficiency  
output. They can be controlled from either a local  
humidistat, from the central building management  
system or multiple units can be staged together.  
5000  
Electric  
$5,443  
4000  
3000  
2000  
1000  
0
Annual  
savings  
with gas  
$
3,658  
The combustion system utilizes a modulating  
forced draft combustion air blower, a negative  
pressure regulator gas valve and a 100% premix  
burner. On a call for humidity, the combustion  
air blower starts creating a negative pressure  
across the valve orifice located at the air inlet.  
The hot surface ignitor then energizes. The gas  
valve opens and the regulated gas/air mixture is  
forced through the burner ports and is ignited.  
Gas  
$1,784  
Operating costs based an electric cost of $0.08 per kWh, natural gas cost  
$0.75 per therm, full output for 2,000 hours per season. Efficiency of  
electric unit is 97% and efficiency of gas unit is 82%. Costs do not include  
electric peak demand charges.  
Easy Maintenance  
The compact stainless steel heat exchanger has  
large flat surfaces to minimize scale buildup  
in the humidifier tank. Scale tends to fall off  
the exchanger wall to the bottom of the tank,  
maintaining efficient heat transfer to the water and  
extending the intervals between cleanings. The  
smooth stainless steel surface of the tank and  
removeable heat exchanger are easily cleaned and  
maintained.  
The GS SERIES compact heat exchanger design  
provides a minimum footprint area where space  
requirement is an issue.  
Compact removeable heat exchanger.  
105 lbs/hr of clean steam.  
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technology  
The new generation of GS Series Gas Steam humidifiers gives you more than economical operation. Its the most versatile  
gas humidifier available in the industry. When natural gas or propane is your preferred energy choice, the new GS Series gives  
you the options!!! This new humidifier employs a state of the art controller giving networking capability to your engineer and  
superior interconnection capabilities. It provides venting and steam distribution flexibility to contractor allowing fast and easy  
installation in retrofit or new applications. The integrated troubleshooting guide, smart drain water tempering and pre-cleaning  
sequence ensures fast servicing and efficient operation in all conditions.  
Low emission gas appliance  
Capacity up to 6ꢀ0 lbs/hr with a single unit  
Nortec Total Controller  
Modbus host protocol  
Easy to use scroll down menus  
Stagged modulation of up to 10 units  
Advanced scale management system with  
pre-cleaning sequence  
Heavy-duty drain pump for scale removal  
Full modulation to 25 lbs/hr (11 kg/hr)  
for all capacities  
GSTC 100  
GS  
Series  
Gas Steam  
Humidifiers  
Produces clean, uncontaminated steam  
Multiple venting options for easy installation  
All components suitable for RO/DI water  
Compact flat surface heat exchanger  
Internal water tempering for drain water cooling  
ꢀ60º gas burner technology  
All service connection outside the cabinet ready  
for field connection  
Fully insulated tank for efficient operation  
GS OUTDOOR  
ENCLOSURE  
4
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Features Comparison  
Steam Capacity adjustment  
Full size alphanumeric display and keypad  
Total Controller with Modbus host protocol  
Transducer signal acceptance  
Individual component diagnostic capability  
Keypad set-point adjustment(humidity)  
Display of relative humidity  
Low and high relative humidity alarms  
Adjustable drain with no call for humidity  
Keep warm feature  
Networking capability up to 10 units  
Pre-cleaning sequence  
Troubleshooting Guide  
Self diagnostic capabilities  
Fault history  
Smart drain water cooling  
On/off cycling prevention  
Full tank blowdown capability via timer or external trigger  
Board mounted display for fault and demand indication  
Parameter change through jumper settings  
Remote fault indication  
not req.  
GSTC  
keypad  
Single or Dual modulation signal acceptance  
Industry standard modulation signal acceptance  
Time to next maintenance alarm  
Internal Drain water cooler  
The GSTC has a built-in microcomputer with a full size  
display that provides instantaneous updating of all  
operating parameters. The unit accepts a modulation  
control signal from a BAS varying its output to  
meet capacity demand. Models feature a capacity  
adjustment of output down to 25 lbs/hr.  
System demand indication  
Output display  
Precise five level water level indication  
Status indicator lamps  
Backlit display  
The GSP uses status lamps on the front to provide  
operating diagnostics. The GSP model can accept a  
modulating control signal from building management  
systems.  
B or BH venting options  
BH stack vent (outdoor only)  
Large Side tank cleaning port  
Top access cleaning (300, 400, 500 & 600 lb models)  
Single water connections  
Turn-down ratio from maximum output to 25lbs/hr(11kg/hr)  
Time proportioning below 25lbs/hr(11kg/hr)  
120V or 208-240V power supply  
Freeze protection  
Integral enclosure (outdoor only)  
Nortec Links Building Management System capable using BACnet  
or LonWorks N2 protocols  
º
º
Nortec OnLine for web based monitoring and control  
Sealed combustion / Direct vent  
Floor stand  
º
º
º
º
º
Distribution Systems  
Short Absorption Manifold SAM-e  
Steam distributor  
º
º
º
º
º
º
GSP  
Blower pack  
= standard  
º = optional  
5
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options  
Steam Distributor  
Systems  
Nortec offers flexible steam distribution choices  
to satisfy a wide range of requirements:  
Atmospheric steam distributor  
• Stainless Steel Steam Distributors to  
distribute atmospheric steam into ducts.  
• Independant Blower Packs for in space  
applications (remote mounted).  
SAM-e Short Absorption Manifold for use  
in air handlers or ducts where short steam  
absorption distance is critical.  
Blower pack  
SAM-e Short Absorption Manifold  
NORTEC LINKS  
NORTEC Links offers monitoring and control  
allowing humidifier(s) to communicate to your  
Building Management System (BMS). The  
controller is factory installed and is located  
internally to the humidifier. Simply specify at  
time of order what operating protocol you are  
using – BACnet IP, BACnet MSTP, LonWorks or  
Jonhson N2.  
NORTEC OnLine  
NORTEC OnLine is a remote interactive  
communication package that allows satellite  
contacts to monitor, maintain and control  
a humidification center from any location  
worldwide using standard internet connections.  
This advanced software shows graphic  
representations of the humidifier and its key  
parameters (up to 75 functions).  
Customer  
Communication through the internet or email.  
NORTEC Humidifier  
NORTEC Technical Services  
6
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technical data  
SPECIFICaTION  
Capacity: lbs/hr  
Capacity: kg/hr  
Input BTU/hr max  
Input kJ/hr max  
Flue Emissions  
Unit rated Amps  
Voltage/Phase  
GS 100  
GS 200  
GS 300  
GS 400  
GS 500  
GS 600  
25-105  
25-210  
25-315  
25-420  
25-525  
11-238  
700,000  
206  
25-630  
11-47  
140,000  
41  
11-95  
280,000  
82  
11-143  
420,000  
124  
11-191  
560,000  
165  
11-286  
840,000  
247  
Low CO (<10ppm) and NOx (<40ppm)  
4
120V/1  
2
6
120V/1  
3
8
120V/1  
4
10  
120V/1  
5
12  
120V/1  
6
14  
120V/1  
7
Unit rated Amps  
Voltage/Phase  
208-240/1  
208-240/1  
208-240/1  
208-240/1  
208-240/1  
208-240/1  
INSTaLLaTION FEaTuRES & REquIREMENTS  
Single point cabinet door fastening for easy removal.  
Choice of venting comes standard allowing greater installation flexibility,  
B or BH venting.  
Cabinet and insulation allows mounting to combustible surfaces for  
minimum space requirement.  
Exclusive full size cleanout port for fast and easy servicing.  
Floor stand optional for GS indoor units.  
All service connections exterior to the humidifier ready for field  
connections.  
120, 208-240V single phase power supply.  
Steam outlet configuration ready for duct distributor, remote mounted  
blower pack or Short absorption manifold connection.  
7
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u.S.a.  
AxAir Nortec Inc.  
826 Proctor Avenue  
Ogdensburg, NY 1ꢀ669  
CaNaDa  
AxAir Nortec Ltd.  
2740 Fenton Road  
Ottawa, Ontario K1T ꢀT7  
TEL: 1.866.NORTEC1  
FAx: 61ꢀ.822.7964  
Certificate No. 002419  
U.S. Patent 5,816,496  
Canadian Patent 2,203,332  
electric steam — atomizing nozzles — high pressure nozzles — steam injection — steam exchange — gas steam  
Form 07-289  
Printed in Canada  
Printed on Recycled Paper  
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