TYPICAL WIRING SCHEMATICS (cont)

LEGEND

AHA

Adjustable Heat Anticipator

TH

Thermostat-Heating

C

Contactor Compressor

TRAN

Transformer

CAP

Capacitor

 

 

Marked Wire

CB

Circuit Breaker

 

 

CCCooling Compensator

CDT

Compressor Discharge Thermostat

Denotes connection point between

COMP

Compressor Motor

subbase and thermostat

EQUIP

Equipment

Terminal (Marked)

FU

Fuse

 

GND

Ground

Terminal (Unmarked)

HPS

High-Pressure Switch

Terminal Block

HR

Heater Relay

IFC

Indoor-Fan Contactor

Field Splice

IFM

Indoor-Fan Motor

IFR

Indoor-Fan Relay

Splice (Marked)

JB

Junction Box

LLight

LPS

Low-Pressure Switch

 

 

 

 

 

Factory Splice

NS

Night Setback Switch

 

 

 

 

 

Factory Wiring

OAT

Outdoor-Air Thermostat

 

 

 

 

 

 

 

 

 

 

 

OFC

Outdoor-Fan Contactor

 

 

 

 

 

Accessory or Optional Wiring

OFM

Outdoor-Fan Motor

 

 

 

 

 

 

 

 

 

 

 

PL

Plug Assembly

 

 

 

 

 

Field Control Wiring

QT

Quadruple Terminal

 

 

 

 

 

 

 

 

 

 

 

RC

Run Capacitor

 

 

 

 

 

Field Power Wiring

SW

Switch

 

 

 

 

 

To indicate common potential

TB

Terminal Block

 

 

 

 

 

TC

Thermostat-Cooling

 

 

 

 

 

only, not to represent wiring

NOTES:

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

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.Separate field power supply required for electric heater accessory.

502A024, 230-1-60 Units

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Bryant manual Typical Wiring Schematics, 502A024, 230-1-60 Units