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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