GSZH5 Service Manual
122
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.
0140A00914-A
F
123
5
4
24V
1 234 5
C L G N
EM
DISC
SEE NOTE 3
HTR 2*
HTR 1
TL1
TL2*
240V
TR
SEE NOTE 1
C
L1
L2
T1
T2
RD
GR
BL
BR
PK
WH
PU
YL
BK
BK
RD
BK
BK
BL
WH
WH
RD
RD
BL
RD
BK
BR
BK
BK
BK
RD
RD
RD
RD
RD
BK
GR/YL
BL
BL
PK
GR
PU
YL
WH
BL
BK
BK
RD
RD
RD
RD
RD
BL
L2
RD
L1
BK
OPTIONAL
CONNECTION
UNUSED WIRES MUST HAVE THEIR ENDS TAPED OR
CAPPED
FIELD CONNECTIONS
SEE NOTE 2
USE N.E.C CLASS 2 WIRE
MOTOR CONNECTIONS
ONLY ONE WILL BE CONNECTED
(SEE NOTE 2)
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
NOMINAL BTUh
36000
YELLOW
TABLE-1
WIRE COLOR
III
III
III