Nortec GS Series User Manual
Page 96
93 | GS Series Installation
Table 17: GS Quick Reference
Item
GS 100
GS 200
GS 300
GS 400
GS 500
GS 600
Gas Pressure
Natural Gas min (in wc/mbar)
4.5/11.2
Natural Gas max (in wc/mbar)
9/22.4
Propane min (in wc/mbar)
9/22.4
Propane max (in wc/mbar)
13/32.3
Min free air opening (in/cm)
13/33
23/58
35/89
47/119
59/150
71/180
Input
Max (BTU)
140,000
280,000
420,000
560,000
700,000
840,000
Min GSTC (BTU)
45,000
Direct vent min (BTU)
60,000
Gas Piping Size (in/cm)
1/2/1.3
3/4/1.9
1/2.5
1/2.5
1.25/3.2
1.25/3.2
"BH" Vent
X
X
X
X
X
X
"B" Vent
X
X
X
X
X
X
"BH" Exhaust Piping (in/cm)
3/7.6
4/10.2
5/12.7
5/12.7
6/15.2
6/15.2
4/10.2
5/12.7
7/17.8
7/17.8
8/20.3
8/20.3
Appliance Category
I or III
I or III
I or III
I or III
I or III
I or III
Full Weight In (lbs/kg)
416/188
588/266
954/432
974/441
1340/607
1360/616
Empty Weight In (lbs/kg)
266/120
354/160
485/217
529/239
659/298
703/318
User level password
0335
Water consumption (25% bd)
Gallons/liters per hour
433/1639
866/3278
1300/4921
1733/6560
2166/8199
2600/9842
Tank Water Volume
Gallons/liters
18/71
29/111
58/221
55/210
84/320
81/309
Fill valve flow rates
To tank: Gallons/liters per minute
2.64/10
To float chamber: Gallons/liters
per minute
0.09/0.35
Supply water pressure
Min. (psi/kPa)
30/206
Max. (psi/kPa)
80/551
Drain rate (includes D.W.C)
Gallons/Litres per minute
5.2/20
Min drain pipe size (in/cm)
1 to 1.5 / 2.5 to 3.8 OD or larger
Power supply requirements
120 volts a/c
X
X
X
X
X
X
208-240 volts a/c 1PH
X
X
X
X
X
X
Steam Outlet size (in/cm)
1.75/4.4
3/7.6
3/7.6
4/10.2
4/10.2
4/10.2