Bryant manual 502A048,060, 230-1-60 Units

TYPICAL WIRING SCHEMATICS (cont)

		LEGEND
AHA	— Adjustable Heat Anticipator		Marked Wire
C	— Contactor Compressor
CAP	—	Capacitor	Denotes connection point between
CB	—	Circuit Breaker
			subbase and thermostat
CC	— Cooling Compensator
CDT	—	Compressor Discharge Thermostat	Terminal (Marked)
CH	— Crankcase Heater
COMP	— Compressor Motor		Terminal (Unmarked)
EQUIP	— Equipment		Terminal Block
GND	— Ground
HPS	— High-Pressure Switch		Field Splice
HR	— Heater Relay
IFC	— Indoor-Fan Contactor		Splice (Marked)
IFM	— Indoor-Fan Motor
IFR	—	Indoor-Fan Relay	Factory Splice
JB	— Junction Box
L	—	Light	Factory Wiring
LPS	— Low-Pressure Switch
NEC	—	National Electrical Code	Accessory or Optional Wiring
OFM	— Outdoor-Fan Motor
PL	— Plug Assembly		Field Control Wiring
QT	— Quadruple Terminal		Field Power Wiring
RC	— Run Capacitor
TB	—	Terminal Block	To indicate common potential
TC	—	Thermostat-Cooling
			only, not to represent wiring
TH	— Thermostat-Heating
TRAN	— Transformer

NOTES:

2.If any original wires furnished must be replaced, it should be replaced with 90 C or its equivalent.

3.Numbers indicate the line location of used contacts. A bracket over 2 numbers signifies a single-pole double-throw contact. An underlined number signifies a normally closed contact. Plain (no line) number signifies a normally open contact.

4.Must use thermostat HH07AT170, 172 or 174 with subbase HN63AZ176, 177 or 179.

5.Neutral for 240/416 v supply (Canada only).

6.Separate field power supply required for electric heater accessory.

7.The 10-kW, 15-kW and 20-kW heater assemblies for 502A048,060 are wired for 3 phase. See heater label diagram for 1-phase rewiring procedure.

502A048,060, 230-1-60 Units

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