Bryant manual 502A048,060, 575-3-60 Units, Bkr W/At

TYPICAL WIRING SCHEMATICS (cont)

LEGEND

AHA	—	Adjustable Heat Anticipator	Denotes connection point between
BKR W/AT —		Breaks with Amp Turns
			subbase and thermostat
C	—	Contactor Compressor
CC	—	Cooling Compensator	Terminal (Marked)
CLO	—	Compressor Lockout
COMP	—	Compressor Motor	Terminal (Unmarked)
CT	—	Current Transformer
			Terminal Block
EQUIP	—	Equipment
GND	—	Ground	Field Splice
HPS	—	High-Pressure Switch
IFC	—	Indoor-Fan Contactor	Splice (Marked)
IFM	—	Indoor-Fan Motor
IFR	—	Indoor-Fan Relay	Factory Splice
JB	—	Junction Box
L	—	Light	Factory Wiring
LOR	—	Lockout Relay
LPS	—	Low-Pressure Switch	Accessory or Optional Wiring
NEC	—	National Electrical Code
OFM	—	Outdoor-Fan Motor	Field Control Wiring
PL	—	Plug Assembly
PRI	—	Primary	Field Power Wiring
TB	—	Terminal Block	To indicate common potential
TC	—	Thermostat-Cooling
			only, not to represent wiring
TH	—	Thermostat-Heating
TRAN	—	Transformer

Marked Wire

NOTES:

1.Compressor and fan motors are thermally protected, three-phase motors protected against primary single-phase conditions.

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.The CLO locks out the compressor to prevent short cycling on compressor overloads and safety devices, before replacing CLO check these devices.

502A048,060, 575-3-60 Units

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