W415-1427 / A / 09.27.17
7
EN
2.3 GENERAL INFORMATION
For elevations between 2,000ft (610m) and 4,500ft (1372m) above sea level, this appliance must be
de-rated by 10% using the certified high altitude kit. When the appliance is installed at elevations above
4,500ft (1372mm), and in the absence of specific recommendations from the local authority having
jurisdiction, the certified high altitude input rating shall be reduced at the rate of 4% for each additional
1,000ft (305m).
Change in flame appearance from "HI" to "LO" is more evident in natural gas than in propane. Expansion /
contraction noises during heating up and cooling down cycles are normal and to be expected.
GDS50: This appliance is approved for bathroom, bedroom and
bed-sitting room installations and is suitable for mobile homes. The
natural gas model is suitable for installation in a mobile home that is
permanently positioned on its site and fueled with natural gas.
GS50: This appliance is approved for bedroom and bed-sitting room
installations.
GS50
GDS50
NG
P
NG
P
Altitude (FT)
0-2000
0-2000
0-2000
0-2000
Max. Input (BTU/HR)
44,000
40,000
44,000
40,000
Max. Output Steady State (BTU/HR)
31,200
30,000
37,000
34,400
Efficiency (w/the fan on)
77%
78%
84%
86%
Maximum A.F.U.E.
65%
67%
77%
79%
Min. Inlet Gas Supply Pressure
4.5" (11mb)
Water Column
11" (27mb)
Water Column
4.5" (11mb)
Water Column
11" (27mb)
Water Column
Max. Inlet Gas Supply Pressure
7" (17mb)
Water Column
13" (330.2mm)
Water Column
7" (17mb)
Water Column
13" (330.2mm)
Water Column
Manifold Pressure (Under Flow
Conditions)
3.5" (9mb)
Water Column
10" (25mb)
Water Column
3.5" (9mb)
Water Column
10" (25mb)
Water Column
FOR YOUR SATISFACTION, THIS APPLIANCE HAS BEEN TEST-FIRED TO ASSURE ITS OPERATION
AND QUALITY!
