TYPICAL WIRING SCHEMATICS — 549B, 549C

a50-8056

LEGEND

AWG

American Wire Gage

TB

Terminal Block

C

Contactor, Compressor

TRAN —

Transformer

CAP

Capacitor

 

 

Field Splice

CB

Circuit Breaker

 

 

CLO

Compressor Lockout

 

 

Terminal (Marked)

COMP

Compressor Motor

 

 

DB

Defrost Board

 

 

Marked Wire

DFT

Defrost Thermostat

 

 

FPT

Freeze Protection Thermostat

 

 

Terminal (Unmarked)

FU

Fuse

 

 

GND

Ground

 

 

Terminal Block

HC

Heater Contactor (Electric Heater)

 

 

HPS

High-Pressure Switch

 

 

Splice

HR

Heater Relay

 

 

IFC

Indoor-Fan Contactor

 

 

Splice Marked

IFM

Indoor-Fan Motor

 

 

Factory Wiring

LPS

Low-Pressure/Loss-of-Charge Switch

 

 

LSM

Limit Switch (Manual Reset)

 

 

Field Control Wiring

OFM

Outdoor Fan Motor

 

 

OLR

Overload Relay

 

 

Field Power Wiring

QT

Quadruple Terminal

 

 

Accessory or Optional Wiring

RVS

Reversing Valve Solenoid

 

 

SAT

Supply-Air Thermostat

 

 

To indicate common potential only.

SW1

Switch, Fully Open

 

 

 

 

 

 

 

Not to represent wiring.

549B036 208/230 v Shown

549B, 549C

131

Page 131
Image 131
Bryant manual Typical Wiring Schematics 549B, 549C, 549B036 208/230 v Shown