GSZH5 Service Manual

119
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.

RD
PK
PK
GR
PU
PU
WH
F
123
5
4
24V
1 2 345
C L G N
EM
MOTOR CONNECTIONS ONLY ONE WILL BE CONNECTED (SEE NOTE 2)
UNUSED WIRES MUST HAVE THEIR ENDS TAPED OR CAPPED
0140A00911-A
SEE NOTE # 3
240V TR
HTR 1 HTR
2*
TL1 TL2*
DISC
FIELD CONNECTIONS
SEE NOTE 2
USE N.E.C CLASS 2 WIRE
SEE NOTE 1
C
L1
L2
T1
T2
BL
BR
WH
BK
RD
BK
BL
WH
WH
RD
RD
BL
RD
BK
BR
BK
BK
BK
BK
RD
RD
RD
RD
GR/YL
BL
BL
BL
BK
GR
RD
BK
BK
BK
BK
BK
RD
RD
RD
OPTIONAL
CONNECTION
SEE NOTE 7
L2
RD
L1
BK
NOMINAL BTUh
18000PINK
TABLE-1
WIRE COLOR
III
III
III
NOTES: 1. RED WIRE TO BE ON TRANSFORMER
TERMINAL "3" FOR 230 VOLTS AND ON
TERMINAL "2" FOR 208 VOLTS.
2. CONFIRM SPEED TAP SELECTED IS
APPROPRIATE FOR APPLICATION. IF SPEED
TAPS NEEDS TO BE CHANGED, CONNECT
APPROPRIATE WIRE FROM MOTOR TO
"Y" FROM THERMOSTAT/CONDENSER (SEE TABLE-1).
3. ASTERISK (*) INDICATES THAT HEATING
ELEMENT, THERMAL LIMIT, RELAY AND INTERCONNECTING WIRES AND JUMPERS OF HEATER #2 ARE DELETED WITH SINGLE
ELEMENT UNITS.
4. COLOR
CODES:
BK - BLACK BL - BLUE BR - BROWN GR - GREEN PU - PURPLE RD - RED WH - WHITE
YL - YELLOW
5. INTEGRATED CONTROL:
FACTORY WIRING:
HIGH VOLTAGE:
LOW VOLTAGE:
FIELD WIRING: HIGH VOLTAGE:
READ THE INSTRUCTIONS:
CLASS III:
6. COMPONENT CODE:
C - CONTACTOR
DISC - DISCONNECT SWITCH
EM - EVAPORATOR MOTOR
F - FUSE
HTR - HEATER ELEMENT
R - RELAY SEQ - SEQUENCER
TL - THERMAL LIMIT
TR - TRANSFORMER
7. FOR UNITS USING 3KW AND 5KW HEATERS,
WHITE WIRE WILL BE CONNECTED TO
TERMINAL 4.