Operating instructions

7
W415-0514 / E / 04.16.12
2.3 GENERAL INFORMATION
For elevations between 2,000 and 4,500 feet above sea level, this appliance must be de-rated by 10% using
the certifi ed high altitude kit. When the appliance is installed at elevations above 4,500ft, and in the absence
of specifi c recommendations from the local authority having jurisdiction, the certifi ed high altitude input rating
shall be reduced at the rate of 4% for each additional 1,000ft.
Change in fl ame 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.
CDVS500: 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.
CS500: This appliance is approved for bedroom and bed-sitting room
installations.
70%
CDVS500
CS500 CDVS500
NG LP NG LP
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
Effi ciency (w/the fan on) 77% 78% 84% 86%
Maximum A.F.U.E. 65% 67% 77% 79%
Min. Inlet Gas Supply Pressure 4.5" Water
Column
11" Water
Column
4.5" Water
Column
11" Water
Column
Max. Inlet Gas Supply Pressure 7" Water
Column
13" Water
Column
7" Water
Column
13" Water
Column
Manifold Pressure (Under Flow
Conditions)
3.5" Water
Column
10" Water
Column
3.5" Water
Column
10" Water
Column
FOR YOUR SATISFACTION, THIS APPLIANCE HAS BEEN TEST-FIRED TO ASSURE ITS OPERATION
AND QUALITY!