Bryant 579F User Manual

Page 57

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TYPICAL INSTALLATION — 579F180-300

LEGEND FOR TYPICAL WIRING SCHEMATICS

NEC — National Electrical Code

NOTES:
1. Illustration shown is a general guide only and is not intended to include

all details for any specific installation.

2. Installation must comply with all applicable codes.

AHA

— Adjustable Heat Anticipator

BKR W/AT — Breaks with Amp Turns
C

— Contactor, Compressor

CB

— Circuit Breaker

CC

— Cooling Compensator

CH

— Crankcase Heater

CLO

— Compressor Lockout

CLS

— Compressor Lockout Switch

COMP

— Compressor Motor

CR

— Control Relay

CT

— Current Transformer

DM

— Damper Motor

DU

— Dummy Terminal

EC

— Enthalpy Control

EQUIP

— Equipment

FPT

— Freeze Protection Thermostat

FU

— Fuse

GND

— Ground

HPS

— High-Pressure Switch

HR

— Heat Relay

HV

— High Voltage

I

— Ignitor

ICP

— Ignitor Control Pack

IDM

— Induced-Draft Motor

IDR

— Induced-Draft Relay

IFC

— Indoor (Evaporator) Fan Contactor

IFCB

— Indoor (Evaporator) Fan Circuit

Breaker

IFM

— Indoor (Evaporator) Fan Motor

IFR

— Indoor (Evaporator) Fan Relay

IGC

— Integrated Gas Unit Controller

IP

— Internal Protector

L

— Light

LOR

— Lockout Relay

LPS

— Loss-of-Charge/ Low-Pressure

Switch

LS

— Limit Switch

MAT

— Mixed-Air Thermostat

MGV — Main Gas Valve
NC

— Normally Closed

NO

— Normally Open

OAT

— Outdoor-Air Thermostat

OFC

— Outdoor (Condenser) Fan Contactor

OFM — Outdoor (Condenser) Fan Motor
PGV

— Pilot Gas Valve

PL

— Plug

PRI

— Primary

PS

— Pressure Switch

QT

— Quadruple Terminal

R

— Relay

RS

— Rollout Switch

SN

— Sensor

SW

— Switch

SW1 — Switch, Fully Open
SW2 — Switch, Fully Closed
SW3 — Switch, Minimum Vent Position

SW4

— Switch, Maximum Vent Position

TB

— Terminal Block

TC

— Thermostat Cooling

TDR

— Time-Delay Relay

TH

— Thermostat Heating

TRAN — Transformer

Terminal (Marked)

Terminal (Unmarked)

Terminal Block

Splice

Splice (Marked)

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or Optional Wiring

To Indicate Common Potential
Only, Not To Represent Wiring

57

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