Service manual
297
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.
SSZ160[60]1BA
USE N.E.C. CLASS 2 WIRE
COMP
A
LTERNATE DOUBLE
POLE CONTACTOR ONLY
IO
T1
C
M
A
I
N
R
A
U
X
5
S
SR
S
A
2
1
RCCF
SC
T2
C
L1
L2
(IF USED)
NOTE 2
CH
C
F
M
A
I
N
A
U
X
IO
CM
COLOR CODE
BK --------------- BL
A
CK
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROWN
OR --------------- OR
A
NGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK----------- YELLOW/PINK STRIPE
C
OMPONENT CODE
C --------------- CONTACTOR
CCR------------ COMPRESSOR CONTACTOR REL
A
Y
CH ------------- CRANKCASE HEATER
CHS ----------- CRANKCASE HEATER SWITCH
CM ------------ OUTDOOR FAN MOTOR
CMR ---------- CONDENSER MOTOR REL
A
Y
COMP -------- COMPRESSOR
CS ------------- COMPRESSOR SOLENOID
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
DT ------------- DISCHARGE THERMOST
A
T
HPS------------ HIGH PRESSURE SWITCH
HVDR -------- HIGH VOLTAGE DEFROST REL
A
Y
IO -------------- INTERNAL OVERLOAD
LPS ------------ LOW PRESSURE SWITCH
LVDR --------- LOW VOLTAGE DEFROST REL
A
Y
LVJB ---------- LOW VOLTAGE J UNCTION BOX
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & F
A
N
RVC ----------- REVERSING VALVE COIL
SA ------------- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR (OPTION
A
L)
SR ------------- START RELAY FOR COMPRESSOR (OPTION
A
L)
CONTROLS SHOWN WITH THERMOST
A
T IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE R
A
TING PL
A
TE
WIRING CODE
FACTORY WIRING
HIGH VOLT
A
GE
LOW VOLTAGE
OPTIONAL HIGH VOLT
A
GE
FIEL
D WIRING
HIGH VOLTAGE
LOW VOLTAGE
CONTROL BOX
SC
RD BL
L2
T2
L1
T1
C
BK
BK
BK
RD
RD
BL
RD
RCCF
BR
PU
SR
5
2
1
BK
YL
BL
BK
BR
PU
BK
YL/PK
LPS
DF1
DF2
(HIGH)
CH
LVDR
R
INDOOR POWER SUPPLY
Y
HPS
O
W2
R
(
L
O
W
)
5
4
2
HVDR
CMR
(HIGH)
(LOW)
RD
BK
YL/PK
CMR
BL
RD
BK
1
3
4
2
5
RD
RD
RD
BKBK
BL
YL/PK
BL
PU
CHS
LPS
PS2
R-PS1
O
W
CCR
Y
Y2 C
Y2
CS
}
FIELD LOW
VOLT
A
GE
CONNECTIONS
BK
BK
RD
SA
(IF USED)
NOT E 2
BL/PK
DFT
BK
RVC
BK
RD
BK
DT
RD
RD
BL
BK
GR
BL/PK
BK
BK
DT
HPS
CS
C
Y2
T1
L1
T2
L2
CN
T
DFT
C
DC
DFT
C
RVC
1
3
R-DFT
O- RV
CMR
C-RV
C
0140R00172-B
DC
R
DF1
DF2
0
0-RV
C-RV
W
LV DR
HVDR
CCR
CNT
0
DFT
R-DFT
R-PS1
Y
Y
C
R
C
C
PS2
RD
RD
EQUIPMENT
GROUND
NOTE 4
NOTES:
1) TO INDOOR UNIT LOW VOLT
A
GE TERMIN
A
L
BLOCK
A
ND INDOOR THERMOST
A
T.
2) START
A
SSIST F
A
CTORY EQUIPPED WHEN
REQUIRED.
3) THE COMMON SIDE OF LOW VOLT
A
GE SH
A
LL
NOT BE GROUNDED.
4) USE COPPER CONDUCTOR ONLY.
5) CRANKC
A
SE HE
A
TER M
A
YNOT
HAVE
A
DDITION
A
L GROUND WIRE.
6) CRANKC
A
SE HE
A
TER & CR
A
NKC
A
SE
HEATER SWITCH
A
RE F
A
CTORY
INSTALLED OPTION.
SEE NOTE 6
YL
BL/PK
YL/PK
PU
WH
PUOR
OR
WH
RD
PU
BL
YL
O
W2
R
Y
C
Y2
LVJB
ALTERNATE
DOUBLE POLE
CONTACTOR
CHS
CH
RD
BK
SEE NOTE 1
BL
BK
IO
AUX
MAIN
RD
YL
CM
H
F
C
YL
YL
YL
YL/PK
RD
RD
AUX
MAIN
COMP
C
S
R
SEE NOTE 6