Carrier 48FC M20 Series Service And Maintenance Instructions page 73

UNIT
NOMINAL CAPACITY (tons)
GAS CONNECTION
Number of Gas Valves
Natural Gas Supply Line Pressure (in. wg)/(psig)
Liquid Propane Supply Line Pressure (in. wg)/(psig)
HEAT ANTICIPATOR SETTING (AMPS)
First Stage
Second Stage
NATURAL GAS HEAT
LOW
Number of Stages / Number of Burners (total)
Connection Size (NPT)
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
MEDIUM
Number of Stages / Number of Burners (total)
Connection Size (NPT)
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
HIGH
Number of Stages / Number of Burners (total)
Connection Size (NPT)
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
LIQUID PROPANE HEAT
LOW
Number of Stages / Number of Burners (total)
Connection Size (NPT)
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
MEDIUM
Number of Stages / Number of Burners (total)
Connection Size (NPT)
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
HIGH
Number of Stages / Number of Burners (total)
Connection Size (NPT)
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
APPENDIX C — GAS HEAT DATA
48FC 20 to 30 Gas Heat Data
48FC**20
17.5
1
5-13 / 0.18-0.47
11-13 / 0.40-0.47
0.14
0.14
2 / 5
3/4 in.
195 / 115
15-45
2 / 7
3/4 in.
195 / 115
25-55
2 / 9
3/4 in.
195 / 115
30-60
2 / 5
3/4 in.
195 / 115
15-45
2 / 7
3/4 in.
195 / 115
25-55
2 / 9
3/4 in.
195 / 115
30-60
73
48FC**24 48FC**28
20 25
1 1
5-13 / 0.18-0.47 5-13 / 0.18-0.47
11-13 / 0.40-0.47 11-13 / 0.40-0.47
0.14 0.14
0.14 0.14
2 / 5 2 / 5
3/4 in. 3/4 in.
195 / 115 195 / 115
15-45 10-45
2 / 7 2 / 7
3/4 in. 3/4 in.
195 / 115 195 / 115
20-55 15-55
2 / 9 2 / 9
3/4 in. 3/4 in.
195 / 115 195 / 115
30-60 20-60
2 / 5 2 / 5
3/4 in. 3/4 in.
195 / 115 195 / 115
15-45 10-45
2 / 7 2 / 7
3/4 in. 3/4 in.
195 / 115 195 / 115
20-55 15-55
2 / 9 2 / 9
3/4 in. 3/4 in.
195 / 115 195 / 115
30-60 20-60
48FC**30
27.5
1
5-13 / 0.18-0.47
11-13 / 0.40-0.47
0.14
0.14
2 / 5
3/4 in.
195 / 115
10-45
2 / 7
3/4 in.
195 / 115
15-55
2 / 9
3/4 in.
195 / 115
20-60
2 / 5
3/4 in.
195 / 115
10-45
2 / 7
3/4 in.
195 / 115
15-55
2 / 9
3/4 in.
195 / 115
20-60