Carrier 48KH User Manual
Page 13
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COMP
C0O
#
C
— Contactor
CAP
— Capacitor
COMP
— Compressor
GV
— Gas Valve
IFM
— Indoor Fan Motor
IFMC
— Indoor Fan Motor Capacitor
IFR
— Indoor Fan Relay {Cooling}
IFSS
— Indoor Fan Safety Switch
LS
— Limit Switch
OFM
— Outdoor Fan Motor
PI
— Pilot Igniter
PS
— Pressure Switch
QT
— Quadruple Terminal
ST
— Start Thermistor
TDR
— Time Delay Relay (Adjustable) (Heating)
TRAN
o’
o
Transformer
Wire Sleeve
Component Connection (Unmarked)
Component Connection (Marked)
Field Wiring
Field Ground Wiring
Field Power Wiring
Field Splice
Junction
Junction (Thermostat to Subbase)
Alternate Start Thermistor Wiring
NOTES:
1 Use copper conductors only
2 Compressor and fan motors thermally protected
3
Transformer pigtails; red 208 v; orange 230 v; insulate
unused lead
4 Neutral for 240/416 v system for Canada only
5
If any of the original wire furnished must be replaced,
it should be replaced with wire of the same type or
its equivalent
6
Fan motor pigtails; red low, black high, insulate un
used lead
7 Pressure switch furnished with propane units only
Fig. 10 — Typical Wiring Diagram (48KH030300 shown)
1 3