WIRING CODE FACTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
HIGH VOLTAGE
FIELD
COLOR CODE
BK --------------- BLACK
BL --------------- BLUE
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROWN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK ---------- YELLOW/PINK STRIPE
1
3
4
6
E11
E16
COM
FAN
HERM
GR/YL
BL
BR
RELAY
RELAY
RELAY
HERM
COM
START
RUN
230 VAC
SUPPLY
L1
L2
E13
L2 OUT
L2
L1
E10
R
C
START
E5
E8
CAP COM
CCH
E21
E17
START
RLY
WH
UC BOARD
LPS
HPS
FUSE
O
L
R
C
W1
Y1
E2
Y2
FAN
RUN
RELAY
RELAY
1
2
1
2
R
C
E25
E29
E28
E26
E24
E23
E22
E14
HIGH
LPCO
HPCO
E47
E1
OAT
OCT
OAS
RD
WH
BL
BL
WH
YL
BK
YL
BR
GND
LOW VOLTAGE
BARRIER
BL/PK
BK
YL/PK
YL/PK
RD
BK
BK
BK
BL/PK
RCCF
C
R
S
AUX
MAIN
COMP
CS
Y2
C
BK
YL
RD
CONTROL BOX
L
Y2
Y1
C
O
L (OPTIONAL)
Y2
Y1
W1
C
LEGACY INDOOR T-STAT
C
R
2
1
C
R
2
1
R
R
C
R
INDOOR POWER SUPPLY 24 VAC
COMMUNICATING INDOOR T-STAT
INDOOR POWER SUPPLY 24 VAC
TO INDOOR COMMUNICATING PCB
0140R00142-D
THIS WIRING SCHEMATIC SHOWS THE LEGACY WIRING FROM
THE FACTORY. THE WIRES GO TO INDOOR T-STAT AS SHOWN
IN "LEGACY INDOOR T-STAT". TO WIRE THE SYSTEM IN
COMMUNICATING MODE, THE INSTALLER HAS TO WORK
THE WIRING AS SHOWN IN "COMMUNICATING INDOOR T-STAT".
REFER TO THE IO MANUAL LOCATED IN COMMUNICATING
T-STAT KIT FOR MORE DETAILS.
FROM
OUTDOOR
UNIT
FROM
OUTDOOR
UNIT
GND
L1
L2
BK
YL
YL
CM
RES
2
5
1
SR SC
OPTIONAL HARD START
L1L2
K2
C
R
S
COMP
R
S
1
2
5
HERM
C
CCH
SC
C
UC CONTROL
HERM
CAP COM
SR
LPC
HPC
E14
TO uP
OPTIONAL HARD
START
RUN
CAPACITOR
12
R
CY1Y2
K6
FAN
ECM FAN
MOTOR
C
HIGH/LOW
ON/OFF
24V
K3
K4
CAPACITY
SOLENOID
VALVE
COMPONENT CODE
C --------------- CONTACTOR
CH ------------- CRANKCASE HEATER
CM ------------ CONDENSER FAN MOTOR
COMP -------- COMPRESSOR
CS ------------- COMPRESSOR SOLENOID
DT ------------- DISCHARGE THERMOSTAT
HPS ----------- HIGH PRESSURE SWITCH
IO -------------- INTERNAL OVERLOAD
LPS ---------- LOW PRESSURE SWITCH
OAS ----------- OUTDOOR AIR SENSOR
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & FAN
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
YL
PU
BL
RD
DT
SEE NOTE 1
CH
NOTES:
1. IF DT IS NOT PRESENT, HPS BL/PK WIRE
GOES DIRECTLY TO TERMINAL E29.
2. USE COPPER SUPPLY WIRES ONLY.
3. USE 40VA TRANSFORMER MINIMUM.
Wiring is subject to change. Always
unit for the most up-to-date wiring.
sources may be present. Failure to do so may cause property damage, personal injury, or death.
