Carrier 48GC04 - Page 66

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APPENDIX B — PHYSICAL DATA
48GC 3 TO 5 TON GAS HEAT DATA — 3 PHASE UNITS
48GC UNIT 48GC**04 48GC**05 48GC**06
GAS CONNECTION
No. of Gas Valves 1
Natural Gas Supply Line Pressure (in. wg)/(psig) 4-13 / 0.18-0.47
Liquid Propane Supply Line Pressure (in. wg)/(psig) 11-13 / 0.40-0.47
HEAT ANTICIPATOR SETTING (AMPS)
First Stage 0.14
Second Stage 0.14
NATURAL GAS HEAT
LOW
No. of Stages / No. of Burners (total) 2 / 2
Connection Size
1
/
2
-in. NPT
Rollout Switch Opens / Closes (°F) 195 / 115
Temperature Rise (°F) 25-55 20-55
MEDIUM
No. of Stages / No. of Burners (total) 2 / 3
Connection Size
1
/
2
-in. NPT
Rollout Switch Opens / Closes (°F) 195 / 115
Temperature Rise (°F) 50-85 35-65 30-65
HIGH
No. of Stages / No. of Burners (total) —2 / 3
Connection Size — 1/2-in. NPT
Rollout Switch Opens / Closes (°F) — 195 / 115
Temperature Rise (°F) — 50-80 40-80
LIQUID PROPANE HEAT
LOW
No. of Stages / No. of Burners (total) 2 / 2
Connection Size
1
/
2
-in. NPT
Rollout Switch Opens / Closes (°F) 195 / 115
Temperature Rise (°F) 25-55 20-55
MEDIUM
No. of Stages / No. of Burners (total) 2 / 3
Connection Size
1
/
2
-in. NPT
Rollout Switch Opens / Closes (°F) 195 / 115
Temperature Rise (°F) 50-85 35-65 30-65
HIGH
No. of Stages / No. of Burners (total) —2 / 3
Connection Size —
1
/
2
-in. NPT
Rollout Switch Opens / Closes (°F) — 195 / 115
Temperature Rise (°F) — 50-80 40-80
LOW NOx GAS HEAT
LOW
No. of Stages / No. of Burners (total) 1 / 2
Connection Size
1
/
2
-in. NPT
Rollout Switch Opens / Closes (°F) 195 / 115
Temperature Rise (°F) 20-50 15-50