GSZH5 Service Manual
143
WIRING DIAGRAMS
HIGH VOLTAGE!
D
ISCONNECT ALL POWER BEFORE SERVICING
OR INSTALLING THIS UNIT.
M
ULTIPLE 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.
USE N.E.C. CLASS 2 WIRE
NOTES:
1) TO INDOOR UNIT LOW VOLTAGE TERMINAL BLOCK & INDOOR THERMOSTAT.
2) START ASSIST FA CTORY EQUIPPED WHEN REQUIRED.
3) USE COPPER CONDUCTOR ONLY.
4) CRANKCASE HEATER & CRANKCASE HEATER SWITCH ARE FACTORY
INSTALLE D OPTION
5) 40VA MINIMUM TR AN SFORMER IS REQUIRED.
6) COMMON SIDE OF TRANSFORMER MUST BE GROUNDED.
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
OR
BL
RD
O
Y
C
R
CO L
OR
C
ODE
BK --------------- BLACK
BL/PK ---------- BLUE/PINK STRIPE
BR --------------- BROWN
GR---------------- GREEN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK----------- YELLOW/PINK STRIPE
OUTDOOR POWE R SUPPLY
SEE RATING PLATE
WIRIN G
C
ODE
FA CTO
RY W
IRI NG
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LVJB
CONTROL BOX
SC
RD
BL
L2
T2
L1
T1
C
RCCF
BR
SR
5
2
1
BK
YL
BL
IO
CM
AUX
MAIN
PU
YL/PK
LPS
EQUIPMENT
GROUND
DF1
DF2
CH
LVDR
R
CNT
INDOOR POWER SUPPLY
DFT
C
Y
DC
DFT
WH
W2
DC
HPS
O
C
RVC
W2
R
HVDR
YL/PK
RD
BK
BK
BL
CHS
R-DFT
O-RV
C-RV
LPS
PS2
R-PS1
O
W
C
HPS
CCR
}
RD
CH
CHS
SA
(IF USED)
NOTE 2
DFT
RVC
RD
BK
GR
Y
T1
L1
T2
L2
ALTERNATE
DOUBLE POLE
CONTACTOR
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
YL/PK
YL/PK
RD
WH
OR
BK
SEE NOTE 3
BK
BK
RD
NOTE 1
CSM
YCR
CSM
YL
PU
0140R00273-A
Y
P
R C
RD
COMPONENT CODE
C --------------- CONTACTOR
CSM --------
---
CORESENSE MODULE
CCR ----------- CO MPRESSOR CONTACTOR RELAY
CH ------------- CRAN KCASE HEATER
CHS ----------- CRANKC ASE HEAT ER SWITCH
CM ------------ OUTDOOR FAN MOTOR
COMP -------- COMPRESSOR
DC ------------- DEFROST CONTROL
DFT ----------- DEFROST THERMOSTAT
HPS ----------- HIGH PRESSURE SWITCH
HVDR -------- HIGH VOLTAGE DEFROST RELAY
IO ----------- --- INTERNAL OVERLOAD
LPS ---------- LOW PRESSURE SWITCH
LV DR --------- LOW VOLTAGE DEFROST RELAY
LV JB --------- LOW VOLTAGE JUNCTION BOX
RCCF --------- RUN CAPACITOR FO R COMPRESSOR & FAN
RVC ----------- REVERSING VALV E COIL
SA ------------- START ASSIST
SC ------------- START CAPAC ITOR FOR COMPRESSOR
(OPTIONAL)
SR ------------- START RELAY FO R COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN
'OFF' PO SITION.
BK
C
R
AUX
MAIN
COMP
S
BK
YL
RD
H
F
C
RD
YL
YL
YL
PU
SEE NOTE 5 & 6
FIELD LOW
VOLTAG E
CONNECTIONS
SEE NOTE 4
SEE NOTE 4
YL
RD
BK
BK
BK
BK
RD
YL
RD
RD
RD
BK
BK
BK
BK
YL
RD
BL/PK
BL
BR
CSM
C
PU
PU
PU
RD
P
YL
YL
BL/PK
PU
PU