NOTES:
1. If any of the original wire furnished must be replaced, it must be re-
placed with type 90 C wire or its equivalent.
2. Thermostat: HH07AT174, HH01AD040, HH01AD046, HH01PC184,
HH01PC185, HH07AT196 Subbase: HH93AZ040, HH93AZ207,
HH93AZ176
3. Use copper conductors only.
TYPICAL FIELD WIRING
AWG
— American Wire Gage
BR
— Blower Relay
C
— Contactor
CAP
— Capacitor
CH
— Crankcase Heater
COMP
— Compressor Motor
CR
— Combustion Relay
EQUIP
— Equipment
FL
— Fuse Link
FS
— Flame Sensor
FU
— Fuse
GND
— Ground
GVR
— Gas Valve Relay
HS
— Hall Effect Sensor
HV TRAN — High-Voltage Transformer
I
— Ignitor
IDM
— Induced-Draft Motor
IFM
— Indoor-Fan Motor
IGC
— Integrated Gas Control
IP
— Internal Protector
LS
— Limit Switch
MGV
— Main Gas Valve
Unit 588A Sizes 018-060; 208/230-1-60
22
LEGEND
NEC
— National Electrical Code
OFM
— Outdoor-Fan Motor
PWR
— Power
QT
— Quadruple Terminal
RS
— Rollout Switch
TRAN — Transformer
Field Splice
Terminal (Marked)
Terminal (Unmarked)
Splice
Factory Wiring
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To Indicate Common Potential
Only, Not to Represent Wiring