9
TYPICAL WIRING SCHEMATICS
569D090, 208/230-3-360 and 460-3-60 Units
NOTES:
1.
If any of the original wire furnished must be
replaced, it must be replaced with type 90° C
wire or its equivalent.
2.
Thermostat: HH07AT170, 172, 174 & P272-
2783
Subbase: HH93AZ176, 178 & P272-1882, 1883
or HH93AZ177 & 179.
3.
Sealed VA for IFC and LLSV is not to exceed
22.
4.
Use copper conductors only.
5.
TRAN is wired for 230 v unit. If unit is to be run
with 200 v power supply, disconnect BLK wire
from 230 v tap and connect to 200 v tap.
6.
If TRAN is wired for 460-3-60 v and unit is to be
run with 400-3-50 v power supply, disconnect
BLK wire from 460 v tap and connect to 400 v
tap.
7.
Three-phase motors are protected under pri-
mary single phasing conditions.
VOLTAGE
RATING
CB
MUST
TRIP
AMPS
Mfg. Part No.
24 V
Potter & Brumfield
3.2
W28X-1024-3.2
AHA
—
Adjustable Heat Anticipator
C
—
Contactor, Compressor
CAP
—
Capacitor
CB
—
Circuit Breaker
CC
—
Cooling Compensator
CH
—
Crankcase Heater
CLO
—
Compressor Lockout
COMP
—
Compressor Motor
DGT
—
Discharge Gas Thermostat
EQUIP
—
Equipment
GND
—
Ground
HPS
—
High-Pressure Switch
IFC
—
Indoor-Fan Contactor
LLSV
—
Liquid Line Solenoid Valve
LPS
—
Low-Pressure Switch
NEC
—
National Electrical Code
OFM
—
Outdoor-Fan Motor
QT
—
Quadruple Terminal
TB
—
Terminal Block
TC
—
Thermostat-Cooling
TH
—
Thermostat-Heating
TRAN
—
Transformer
Field Splice
Marked Wire
Terminal (Marked)
Terminal (Unmarked)
Terminal Block
Splice
Factory Wiring
— —
Field Control Wiring
Field Power Wiring
Accessory or Optional Wiring
To Indicate Common Potential
Only, Not Represent Wiring
LEGEND