GSZH5 Service Manual

128
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.
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
NOTES: 1. REDWIRETOBEONTRANSFORMER
TERMINAL "3"FOR 230VOLTS ANDON TERMINAL "2"FOR 208VOLTS.
2. CONFIRMSPEED TAPSELECTEDIS
APPROPRIATEFOR APPLICATION. IF SPEED TAPS NEEDSTOBECHANGED,CONNECT APPROPRIATEWIRE FROMMOTOR TO "Y"FROMTHERMOSTAT/CONDENSER(SEETABLE-1).
3. ASTERISK (*)INDICATES THAT HEATING
ELEMENT, THERMALLIMIT,RELAY AND INTERCONNECTINGWIRES ANDJUMPERS OF HEATER #2 AREDELETED WITH SINGLE ELEMENTUNITS.
4. COLORCODES:
BK -BLACK BL -BLUE BR -BROWN GR -GREEN PU -PURPLE
RD -RED
WH -WHITE YL-YELLOW PK -PINK
5. WIRING CODE:
FACTORYWIRING:
HIGH VOLTAGE
LOWVOLTAGE
FIELDWIRING:
HIGH VOLTAGE
6. COMPONENTCODE:
C- CONTACTOR DISC -DISCONNECTSWITCH
EM -EVAPORATERMOTOR F- FUSE
HTR- HEATER ELEMENT R- RELAY
SEQ- SEQUENCER
TL -THERMAL LIMIT TR -TRANSFORMER
7. FORUNITS USING3KW AND5KW HEATERS,
WHITEWIREWILLBECONNECTED TO TERMINAL 4.
BTUh
PURPLE 18000 PINK 24 000
RD
PK
PK
GR
PU
PU
WH
F
123
54
24V
12345
CL GN
EM
TABLE-1
MOTORCONNECTIONS ONLY ONEWILL BE CONNECTED (SEENOTE2)
UNUSED WIRESMUSTHAVE THEIR ENDS TAPE DOR CAPPED
WIRE COLOR
01 40A005 44-A
SEE NOTE #3
240V TR
HTR1 HTR2*
TL1 TL2*
DISC
FIELD CONNECTIONS
SEE NOTE 2
USE N.E.C CLASS2WIRE
SEENOTE1
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
SEENOTE7
L2
RD
L1
BK