Service manual
281
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.
SSX140[18-60]B*/C*
USE N.E.C. CLASS 2 WIRE
NOTES:
1
)
TO INDOOR UNIT LOW VOLTAGE
TERMINAL BLOCK & INDOOR
THERMOSTAT.
2) START ASSIST FACTORY
EQUIPPED WHEN REQUIRED.
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
)
CH
C
F
M
A
I
N
A
U
X
C
C
0140R00046-A
BL
Y
C
LVJB
COLOR CODE
BK --------------- BLACK
BL --------------- BLUE
BL/PK ---------- BLUE/PINK STRIP
BR --------------- BROWN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK ---------- YELLOW/PINK STRIP
CON TROL BOX
COMPONENT CODE
C --------------- CONTACTOR
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
HPS ----------- HIGH PRESSURE SWITCH
IO -------------- INTERNAL OVERLOAD
LPS ----------- LOW PRESSURE SWITCH
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FOR COMPRESSOR & FAN
SA ------------- START ASSIST
SC ------------- START CAPACITOR FOR COMPRESSOR
(
OPTIONAL
)
SR ------------- START RELAY FOR COMPRESSOR (OPTION AL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
WIRING CODE
F
A
CTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
F
IELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
IO
CM
Y
BL/PK
YL
C
R
S
RD
BK
AUX
MAIN
COM P
NOTE 1
SC
RD BL
RCCF
F
C
HERM
YL
YL
YL
BR
RD
PU
YL
RD
SR
5
2
1
BK
YL
BL
RD
YL/PK
BL
RD
RD
BKBK
BK
C
T1
L1
T2
L2
RD
SA
(IF USED)
NOTE 2
EQUIPMENT GROUND
USE COPPER
CONDUCTORS ONLY
PU
BR
BK
MAIN
AUX
CM
IO
T1
L1
T2
L2
ALTERNATE DOUBLE
POLE CONTACTOR
HPS
LPS
YL/PK
LPS
YL/PK
BL/PK
HPS
BL/PK
YL/PK
BL/PK