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PERFORMANCE DATA (CONT)
High Altitude Compensation: Natural Gas
Nameplate
Input, High
Stage
(Btu/hr)
Rated Heating Input (Btu/hr), Natural Gas at Installation Altitude Above Sea Level, U.S.A.*
0 to 2000 ft
0 to 610 m
2001 to 3000 ft*
610 to 914 m
3001 to 4000 ft
915 to 1219 m
4001 to 5000 ft
1220 to 1524 m
5001 to 6000 ft
1524 to 1829 m
High
Stage
Low
Stage
High
Stage
Low
Stage
High
Stage
Low
Stage
High
Stage
Low
Stage
High
Stage
Low
Stage
40000 40000 26000 36000 23400 34400 22300 32800 21300 31200 20300
60000 60000 39000 54000 35100 51600 33500 49200 32000 46800 30400
90000 90000 58500 81000 52700 77400 50300 73800 48000 70200 45600
115000 115000 75000 103500 67500 98900 64500 94300 61500 89700 58500
130000 130000 84500 117000 76100 111800 72700 106600 69300 101400 65900
*In the U.S.A., the input rating for altitudes above 2000 ft (610 m) must be redu ced by 4% for each 1000 f t (305 m) above sea level.
In Can a da, the input rating f or al titudes from 2001 to 4500 (611 to 1372 m) above sea level must be derated by 10% by an auth or ized gas conversion station or
dealer.
For Canadian Installations fr o m 2000 to 4500 ft (610 to 1372 m), use U.S.A. col umn 2001 to 3000 ft (610 to 914 m).
High Altitude Compensation: Propane Gas
Nameplate
Input, High
Stage
(Btu/hr)
Rated Heating Input (Btu/hr), Propane Gas at Installation Altitude Above Sea Level, U.S.A.*
0 to 2000 ft
0 to 610 m
2001 to 3000 ft*
610 to 914 m
3001 to 4000 ft
915 to 1219 m
4001 to 5000 ft
1220 to 1524 m
5001 to 6000 ft
1524 to 1829 m
High
Stage
Low
Stage
High
Stage
Low
Stage
High
Stage
Low
Stage
High
Stage
Low
Stage
High
Stage
Low
Stage
40000 38000 26000 31700 23400 31700 22300 31700 21300 31200 20300
60000 57000 39000 47500 35100 47500 33500 47500 32000 46800 30400
90000 79000 58500 68900 52700 68900 50300 68600 48000 68600 45600
115000 103000 75000 100400 67500 98900 64500 83000 61500 83000 58500
130000 116000 84500 115500 76100 111800 72700 101300 69300 100400 65900
*In the U.S.A., the input rating for altitudes above 2000 ft (610 m) must be redu ced by 4% for each 1000 f t (305 m) above sea level.
In Can a da, the input rating f or al titudes from 2001 to 4500 (611 to 1372 m) above sea level must be derated by 10% by an auth or ized gas conversion station or
dealer.
For Canadian Installations fr o m 2000 to 4500 ft (610 to 1372 m), use U.S.A. col umn 2001 to 3000 ft (610 to 914 m).
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