Service manual
272
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.
GSZ11[090-120]3A*
USE N.E.C. CLASS 2 WIRE
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK & INDOOR THERMOSTAT.
2) CRANKCASE HEATER FACTORY INSTALLED OPTION.
3) USE COPPER CONDUCTORS ONLY
4) 40VA MINIMUM TRANSFORMER IS REQUIRED
5) COMMON SIDE OF TRANSFORMER MUST BE GROUNDED
0140R00186 - C
OR
YL
BL
RD
O
Y
C
R
SEE NOTE # 1
YL/PK ---------- YELLOW W/PINK
HASH MARKS
COMPONENT CODE
C --------------- CONTACTOR
CH ------------- CRANKCASE HEATER
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
FC ------------- FAN CAPACITOR
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO -------------- INTERNAL OVERLOAD
LPS ------------ LOW PRESSURE SWITCH
LVDR --------- LOW VOLTAGE DEFROST RELAY
LVJB ---------- LOW VOLTAGE JUNCTION BOX
RVC ----------- REVERSING VALVE COIL
CMR ----------- CONDENSER MOTOR RELAY
HPS ----------- HIGH PRESSURE SWITCH
CHS ----------- CRANKCASE HEATER SWITCH
C ONTR OL S SHO W N W IT H TH ER MOSTAT IN 'OF F' PO SI T I ON.
WIRING CODE
FA CTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE
LVJ B
CONTROL BOX
BK
BR
PU
BK
DFT
YL/PK
LPS
EQUIPMENT
GROUND
DFT
W
O-RV
DC
RVC
BK
BK
CH
BK
WH
W2
YL
BK
RD
BK
BK
YL
C
T1
L1
T2
L2
T3
L3PU
PU
RD
FC
PU
BR
PU
3
1
CMR
BL
BL
BK
BL/PK
BL/PK
HPS
RD
BK
BK
CMR
COLOR CODE
BK --------------- BLACK
BL --------------- BLUE
BR --------------- BROWN
OR --------------- ORANGE
PK ---------------- PINK
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
BL/PK ---------- BLUE W/PINK
HASH MARKS
L1L2 L3
DC
RD
BK
BK
BL
RD
PU
OR
BL/PK
WH
T1
C
FC
T3
C
L1
L3
L2
C
T2
CH
Y
PS1 PS2 CNT
DFTR-DFT
C-RV
DF1 DF2
O
LPS
HPS
W2 YO
C
CMR
RVC
R
C
OUTDOOR POWER SUPPLY
SEE RATING PLATE
2
1 3
COMP
L1 L2 L3
CM
COMP
S
C
R
CM
YL
YL/PK
YL/PK
OR
WH
RD
BL
BK
BL
BL
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
RD
RD
RD
RD
SEE NOT E 2
SEE NOTE 4 & 5
(IF USED)
NOTE 2
SEE NOTE 3
SEE NOTE 3
INDOOR POWER SUPPLY