Service Manual
156
WIRING DIAGRAMS
HIGH VOLTAGE!
DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS
UNIT. MULTIPLE POWER SOURCES MAY BE PRESENT. FAILURE TO
DO SO MAY CAUSE PROPERTY DAMAGE, PERSONAL INJURY OR DEATH.
Wiring is subject to change. Always refer to the wiring diagram on the unit for the most up-to-date wiring.
COMP
ALTERNATE DOUBLE
POLE CONTACTOR ONLY
IO
T1
C
M
A
I
N
R
A
U
X
5
S
SR
SA
2
1
RCCF
SC
T2
C
L1
L2
(IF USED)
NOTE 2
CH
C
F
M
A
I
N
A
U
X
IO
CM
COLORCODE
BK ----------- ----
BL/PK -- ------ --
BR ---- ------ -----
OR ---- --------- --
PU ---- ------ -----
RD ---- -----------
W H --- ------ -----
YL -- -------------
YL/PK----- ------
C
OMPONENT CODE
C ------- --------
CC R---- --------
CH ---- -------- -
CHS -----------
CM ---- --------
CM R ---- ------
CO MP ----- ---
CS -------------
CSM -----------
DC ---- -------- -
DFT -- -------- -
DT ----- --------
HP S----- -------
HVD R ---- ----
IO -------- ------
LPS ----- -------
LVDR ---- --- --
LVJB -- ------ --
RC CF ----- --- -
RV C ---- -------
SA ----- --- -----
SC ------- ------
SR ------- ------
CONTROLS SHOW N W ITH THERMOSTAT IN 'OFF' POSITION.
OUTDOO R POW ER SUPPLY
SEE RATING PLATE
WIRINGCODE
FACTORYWIRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
F
IELDWIRING
HIGH VOLTAGE
LOW VOLTAGE
CONTROL BOX
SC
L2
T2
L1
T1
C
RCCF
SR
5
2
1
LPS
DF1
DF2
(HIGH)
CH
HPS
(
L
O
W
)
5
4
2
HVDR
CMR
CMR
1
3
4
2
5
CHS
SA
(IF USED)
NOTE 2
DFT
RVC
DT
CS
C
Y2
T1
L1
T2
L2
0140 R00377-C
DC
R
DF1
DF2
0
0-RV
C-RV
W
LVDR
HVDR
CCR
CNT
0
DFT
R-DFT
R-PS1
Y
Y
C
R
C
C
PS2
EQUIPMENT
GROUND
NOTE 4
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE TERMINAL
BLOCK AND INDOOR THERMOSTAT.
USE N.E.C. CLASS 2 WIRE.
2) START ASSIST FACTORY EQUIPPED WHEN
REQUIRED.
3) THE COMMON SIDE OF LOW VOLTAGE SHALL
NOT BE GROUNDED.
4) USE COPPER CONDUCTOR ONLY.
5) CRANKCASE HEATER MAY NOT
HAVEADDITIONAL GROUND WIRE.
6) CRANKCASEHEATER & CRANKCASE
HEATER SWITCH ARE FACTORY
INST AL LED OPTION.
7) ENSURE BLACK COMPRESSOR WIRE IS
ROUTED THROUGH THE HOLE IN THE CSM.
SEE NOTE 6
YL
ALTERNATE
DOUBLE POLE
CONTACTOR
CHS
CH
IO
AUX
MAIN
CM
CFH
AUX
MAIN
COMP
C
S
R
SEE NOTE 6
CSM
O
W2
R
Y
C
Y2
LVJB
SEE NOTE 1
C
RPYC
R-DFT
DFT DFT
C
DC
Y
PS2
LPS
R-PS1
LVDR
CMR
RVC
3
C-RV
O-RV
1
W
O
R
C
HPS
DT
INDOOR POWER SUPPLY
CCR
CNT
Y2 C
CS
Y
2WO2Y
R
SEE NOTE 1
CSM
RYCP
FIELD LOW
VOLTAGE
CONNECTIONS
RD
RD
RD
BL
RDBK
RD BL
RD
BL
BL
BK
BL
RD
BK
RD
RD
RD
YL
YL
YL
PU
BR
GR
RD
BK
RD
BK
BL
BL/PK ORBKBKWHYLYL/PK
RD
RD
RD
RD
BK
BK
OR
WH
RD
PU
BL
YL
BK
BK
BK
BK
BL
BL
YL/PK
RD
PU
BL
YL/PK
BL/PK
PU
BK
BL
BK
RD
RD
BL/PK
CSM
BK
BL/PK
BK
BK
BK
YL/PK
YL/PK
RD
YL
PU
BR
BK
(HIGH)
RD
(LOW)
SEE NOTE 4
BLACK
BLUE/PINK STRIPE
BROWN
ORANGE
PURPLE
RED
WHITE
YELLOW
YELLOW /PINK STRIPE
CONTACTO R
COMPRESSOR CONTACTOR RELAY
CRANKCASE HEATER
CRANKCASE HEATER SWITCH
OUTDOO R FAN MOTOR
CONDENSER MOTOR RELAY
COMPRESSOR
COMPRESSOR SOLENOID
CORESENSE MODULE
DEFROST CONTROL
DEFROST THERMOSTA T
DISCHARGE THERMOSTAT
HIGH PRESSURE SWITCH
HIGH VOLTAGE DEFROST RELAY
INTERNAL OVERLOAD
LOW PRESSURE SW ITCH
LOW VOLTAGE DEFROST RELAY
LOW VOLTAGE JUNCTION BOX
RUN CAPAC ITOR FOR COMPRESS OR & FAN
REVERSING VALVE COIL
START ASSIST
START CAPACITOR FOR COMPRESSO R (OPTIONAL)
START RELA Y FOR COMPRESSO R (OPTIONAL)
SEE NOTE 4
SEE NOTE 4
SEENOTE7
ASZ160601- L*