Carrier 48GC04 Service And Maintenance Instructions page 65

Single package rooftop gas heat/electric cooling unit with puron (r-410a) refrigerant 3 to 5 nominal tons
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48GC UNIT
GAS CONNECTION
No. 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
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
MEDIUM
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
HIGH
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
LIQUID PROPANE HEAT
LOW
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
MEDIUM
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
HIGH
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
LOW NOx GAS HEAT
LOW
No. of Stages / No. of Burners (total)
Connection Size
Rollout Switch Opens / Closes (°F)
Temperature Rise (°F)
APPENDIX B — PHYSICAL DATA
48GC 3 TO 5 TON GAS HEAT DATA — 1 PHASE UNITS
48GC**04
25-55
45-85
25-55
45-85
48GC**05
1
4-13 / 0.18-0.47
11-13 / 0.40-0.47
0.14
0.14
1 / 2
1
/
-in. NPT
2
195 / 115
20-55
1 / 3
1
/
-in. NPT
2
195 / 115
30-65
45-80
1 / 2
1/2-in. NPT
195 / 115
20-55
1 / 3
1
/
-in. NPT
2
195 / 115
30-65
45-80
1 / 2
1
/
-in. NPT
2
195 / 115
20-50
65
48GC**06
15-55
25-65
1 / 3
1
/
-in. NPT
2
195 / 115
35-80
15-55
25-65
1 / 3
1
/
-in. NPT
2
195 / 115
35-80
15-50

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