GSZH5 Service Manual
170
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 VO LTAGE TERMINAL BLOCK & INDOOR THER MO STAT.
2) START ASSIST FA CTORY EQUIPPED WH EN REQUIRED.
3) USE COPPER CO NDUCTOR ONLY.
4) CRANKCASE HEATER & CRANKCAS E HEAT ER SWITCH AR E FACTOR Y INSTALLED OPTION
5) 40VA MINIMUM TRANSFORMER IS REQUIRED.
6) COMM ON SIDE OF TR ANSFORMER MUST BE GROUNDED.
COMP
ALTERNAT E 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
0140R00171 - B
OR
BL/PK
BL
RD
O
Y
C
R
COL
O
R C
O
D
E
BK --------------- BLACK
BL/PK ---------- BL UE/PINK STRIPE
BR --------------- BROWN
GR------ ---------- GR EEN
OR --------------- ORANGE
PU --------------- PURPLE
RD --------------- RED
WH -------------- WHITE
YL --------------- YELLOW
YL/PK----------- YELL OW/PINK STRIPE
COMPONENT CODE
C -------- ------- CONTACTOR
CADM ------- - COMFORT ALERT DIAGNOSTIC MODULE
CCR ----------- COMPRESSOR CONTACTOR RELAY
CH ------------- CRANKCASE HEAT ER
CHS ----------- CRANKCASE HEATER SWITCH
CM -- ---------- OUTDOOR FA N MOTOR
CMR -- -------- CONDENSE R MOTOR RELAY
COMP -------- COMPRESSOR
CS ------ ------- COMPRESS OR SOLENOID
DC ------------- DEFROST CONTROL
DFT ---------- - DEFROST THERMOSTAT
DT ------------- DI SCHARGE 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 JU NCTION BOX
RCCF --------- RUN CAPACITO R FOR COMPRE SSOR & FAN
RVC -- --------- REVERSING VALV E COIL
SA ------------- START ASSIST
SC ------ ------ - START CAPACITO R FOR COMPRESSOR (OPTIONAL)
SR ------------- START RELAY FOR COMPRESSOR (OPTIONAL)
CONTROLS SHOWN WITH THERMOSTAT IN 'OFF' POSITION.
OUTDOOR POWER SUPPLY
SEE RATING PLATE
W
IR ING
CO
DE
FA
C T
O
RY
WI
RI N
G
HIGH VOLTAGE
LOW VOLTAGE
OPTIONAL HIGH VOLTAGE
FIE
L
D
WI
RI N
G
HIGH VOLTAGE
LOW VOLTAGE
LVJB
CONTROL BOX
SC
RD BL
L2
T2
L1
T1
C
BK
BK
BK
RD
RD
BL
RD
RCCF
F
C
HERM
YL
YL
YL
BR
RD
PU
YL
RD
SR
5
2
1
BK
YL
BL
IO
CM
AUX
MAIN
BR
PU
YL
C
R
S
RD
BK
AUX
MAIN
COMP
YL/PK
LPS
EQUIPMENT
GROUND
DF1
DF2
CH
LV DR
R
CNT
INDOOR POWER SUPPLY
DFT
C
Y
DC
DFT
WH
W2
DC
BL/PK
HPS
O
C
RV C
W2
R
HVDR
YL/PK
BK
RD
BK
PU
BK
BL
BL
PU
CHS
R-DFT
O-RV
C-RV
LPS
PS2
R-PS1
O
W
C
HPS
CCR
}
FIELD LOW
VO LTAG E
CONNEC TIONS
RD
BK
CH
CH S
RD
SA
(IF USED)
NOTE 2
DFT
RVC
RD
BK
BL/PK
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-DF T
R-PS1
Y
Y
C
R
C
C
PS2
YL/PK
YL/PK
RD
RD
BL/PK
WH
OR
BK
BK
SEE NOTE 4
SEE NO TE 5 & 6
SEE NO TE 4
SEE NOTE 3
BK
BK
RD
NOTE 1
IO