Carrier WeatherMaker 48TC Series - Gas Connection Specifications (Horizontal); Natural Gas Heat Parameters; Liquid Propane Heat Parameters

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Table G — Physical Data - Horizontal (Heating) 15 To 25 Tons
48TC**18 48TC**21 48TC**25 48TC**29
GAS CONNECTION
# of gas valves 1 1 1 1
Nat. gas supply line press. (in. wg) / (PSIG) 5 -13 / 0.18-0.47 5 -13 / 0.18-0.47 5 -13 / 0.18-0.47 5 -13 / 0.18-0.47
LP supply line press. (in. wg) / (PSIG) 11-13 / 0.40-0.47 11-13 / 0.40-0.47 11-13 / 0.40-0.47 11-13 / 0.40-0.47
HEAT ANTICIPATOR SETTING (Amps)
First stage 0.14 0.14 0.14 0.14
Second stage 0.14 0.14 0.14 0.14
NATURAL GAS HEAT
LOW
# of stages / # of burners (total) 2 / 5 2 / 5 2 / 5 2 / 5
Connection size
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
Rollout switch opens / closes 195 / 115 195 / 115 195 / 115 195 / 115
Temperature rise 25 - 55 25 - 55 25 - 55 25 - 55
MEDIUM
# of stages / # of burners (total) 2 / 7 2 / 7 2 / 7 2 / 7
Connection size
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
Rollout switch opens / closes 195 / 115 195 / 115 195 / 115 195 / 115
Temperature rise 30- 60 30- 60 30- 60 30- 60
HIGH
# of stages / # of burners (total) 2 / 10 2 / 10 2 / 10 2 / 10
Connection size
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
Rollout switch opens / closes 195 / 115 195 / 115 195 / 115 195 / 115
Temperature rise 35- 65 35- 65 35- 65 35- 65
LIQUID PROPANE HEAT
LOW
# of stages / # of burners (total) 2 / 5 2 / 5 2 / 5 2 / 5
Connection size
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
Rollout switch opens / closes 195 / 115 195 / 115 195 / 115 195 / 115
Temperature rise 25 - 55 25 - 55 25 - 55 25 - 55
MEDIUM
# of stages / # of burners (total) 2 / 7 2 / 7 2 / 7 2 / 7
Connection size
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
Rollout switch opens / closes 195 / 115 196 / 115 197 / 115 198 / 115
Temperature rise 30- 60 30- 60 30- 60 30- 60
HIGH
# of stages / # of burners (total) 2 / 10 2 / 10 2 / 10 2 / 10
Connection size
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
3
/
4
-in. NPT
Rollout switch opens / closes 195 / 115 195 / 115 195 / 115 195 / 115
Temperature rise 35- 65 35- 65 35- 65 35- 65
APPENDIX B — PHYSICAL DATA