TYPICAL WIRING SCHEMATICS (cont)

LEGEND

AHA

— Adjustable Heat Anticipator

TH

—

Thermostat-Heating

C

— Contactor Compressor

TRAN

—

Transformer

CAP

—

Capacitor

 

 

Marked Wire

CB

—

Circuit Breaker

 

 

CC— Cooling 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

L— Light

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