Bryant 579F User Manual
Page 57

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
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