GSZH5 Service Manual

156
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.

USEN.E.C.CLASS 2WIRE
T1
C
FC
T3
C
L1
L3
C
C
0140R00190-D
BL
Y C
LVJB
COMPONENT CODE C -------- ------- CONTACTOR CM ----------OUT DOOR FAN MOTOR COMP -------- COMPRESSOR FC -------- ----- FAN CAPACITOR IO -------- ------INTERNAL OVERLOAD LVJB ---------- LOW VOLTAGE JUNCTION BOX
CH ------------CRANKCASE HEATER CHS-------- --- CRANKCASEHEATERSWITCH LPS -------- -- LOWPRESSURESWITCH HPS-------- -- HIGHPRESSURESWITCH CONTROLS SHOWNWITHTHERMOSTAT IN 'OFF' POSITION.
W
I
R I
NG
C OD E
F ACTOR Y W IR ING HIGH VOLTAGE LOWVOLTAGE OPTIONAL HIGH VOLTAGE F
IE LD W IR ING
HIGH VOLTAGE LOWVOLTAGE
Y
YL
YL
L2
C
T2
OUTDOOR POWERSUPPLY
SEERATINGPLATE
BK
RD
BK
BL
BK
YL
C
YL/PK
RD
FC
PU
BR
LVJB
CONTROL BOX
SEE NOTE1
PU
BR
BK
CH
BK
CH
BK
BK
BK
BK
CO L OR
C OD E
BK ---------------BLACK BL ---------------BLUE BR --------------- BROWN OR --------------- ORANGE PU --------------- PURPLE RD --------------- RED WH --------------WHITE YL --------------- YELLOW
YL/PK ---------- YELLOW w/PINK
HASH MARKS
BL/PK----------BLUEw/PINK
HASH MARKS
PK ---------------PINK
L1
L2 L3
SEE NOTE 2
SEENOTE3
LPS
HPS
HPS
LPS
NOTES: 1) TO INDOOR UNITLOW VOLTAGETERMINALBLOCK &INDOOR
THERMOSTAT.
2) CRANKCASE HEATER FACTORYINSTALLED OPTION. 3) USECOPPERCONDUCTORSONLY 4) 40VA TRANSFORMERMINIMUMSYSTEMREQUIRED 5) TRANSFORMERCOMMONSIDEMUSTBEGROUNDED
COMP
L1
L2
L3
EQUIPMENT GROUND
CM
COMP
R
C
S
CM
SEENOTE2
T1
L1
T2
L2
T3
L3
YL
BL/PK
YL/PK BL/PK
PU
PU
SEE NOTE 3
SEE NOTE1