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Carrier PREFERRED 577E A Series Installation Instructions Manual page 20

15-16 seer 2-stage packaged air conditioner and gas furnace system with puronr r-410a refrigerant single and three phase
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HEATING INPUT
NUMBER OF
NUMBER OF
(BTUH)
ORIFICES
ORIFICES
40,000
2
60,000
2
90,000
3
115,000
3
127,000
3
130,000
3
*When a unit is converted to propane, different size orifices must be used. See separate, natural ---to ---propane conversion kit instructions.
Based on altitudes from sea level to 2000 ft (610 m) above sea level. In U.S.A. for altitudes above 2000 ft (610 m), reduce input rating 4 percent for each addi-
{
tional 1000 ft (305 m) above sea level. In Canada, from 2000 ft (610 m) above sea level to 4500 ft (1372 m) above sea level, derate the unit 10 percent.
HEATING
NUMBER
NUMBER
INPUT,
OF
HIGH STAGE
ORIFICES
ORIFICES
(BTUH)
40,000
2
60,000
3
90,000
3
115,000
3
130,000
3
*When a unit is converted to propane, different size orifices must be used. See separate, natural ---to ---propane conversion kit instructions.
Based on altitudes from sea level to 2000 ft (610 m) above sea level. In U.S.A. for altitudes above 2000 ft (610 m), reduce input rating 4 percent for each addi-
{
tional 1000 ft (305 m) above sea level. In Canada, from 2000 ft (610 m) above sea level to 4500 ft (1372 m) above sea level, derate the unit 10 percent.
Table 6 – Heating Inputs 208/230 VAC Models
GAS SUPPLY PRESSURE (IN. W.C.)
Natural{
Min
Max
4.0
13.0
4.0
13.0
4.0
13.0
4.0
13.0
4.0
13.0
4.0
13.0
Table 7 – Heating Inputs, 460 VAC Models
GAS SUPPLY PRESSURE (IN. W.C.)
Natural{
Propane*{
Min
Max
Min
4.0
13.0
11.0
4.0
13.0
11.0
4.0
13.0
11.0
4.0
13.0
11.0
4.0
13.0
11.0
Propane*{
Min
Max
11.0
13.0
11.0
13.0
11.0
13.0
11.0
13.0
11.0
13.0
11.0
13.0
MANIFOLD PRESSURE (IN. W.C.)
HIGH STAGE
Max
Natural{
Propane*†
13.0
3.23.8
10.0
13.0
3.23.8
10.0
13.0
3.23.8
10.0
13.0
3.23.8
10.0
13.0
3.23.8
10.0
20
MANIFOLD PRESSURE
MANIFOLD PRESSURE
(IN. W.C.)
Natural{
Propane*†
3.23.8
10.0
3.23.8
10.0
3.23.8
10.0
3.23.8
10.0
3.23.8
10.0
3.23.8
10.0
LOW STAGE
Natural{
Propane*†











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