GSZ16 Service Manual

133
WIRING DIAGRAMS
HIGH VOLTAGE! DISCONNECT ALL POWER BEFORE SERVICING OR INSTALLING THIS UNIT. MULTIPLE 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.
AWUF37[05/08/10]16BB
0140A00275-A
F
123
54
24V
12345
CL GN
EM
DISC
FIELD CONNECTIONS
SEE NOTE 3
USE N.E.C CLASS 2 WIRE
SPEED TAPS FROM MOTOR SEE NOTE 2
SEE NOTE 4
HTR 2* HTR 1
TL1 TL2*
240V TR
NOTES: 1. RED WIRE TO BE ON TRANSF ORM ER
TERMINAL "3 " FOR 230 VOLTS AND ON TERMINAL "2" FOR 208 VOLTS.
2. CONFIRM SPEED TAP SELECTED IS
APPROPRIAT E FOR APPLICATION. IF SPEED TAPS NEEDS T O BE CHANG ED, CONNECT APPROPRIATE WIRE FROM MOTOR TO TERMINAL "4" ON RELAY.
3. SEE COMPOSITE WIRING DIAGRAMS IN
INSTALL ATION INSTRUCTIONS FOR PROPER LOW VOLTAGE WIRING CONNECTIONS.
4. ASTERIS K (*) INDICATES THAT HEA TING
ELEMENT, THERMAL LIMIT, RELAY AND
INTERCO NNECTING WIRES AND JUMPERS
OF HEATER # 2 ARE DELETED WITH SINGLE ELEMENT UNITS.
5. COLOR CODES:
BK - BLACK
BL - BLUE BR - BROWN GR - GREEN PU - PURPLE
RD - RED WH - WHITE YL - YELLOW
6. WIRING CO DE:
FACTORY WIRING
HIGH VOLTAGE
LOW VOLTAGE
FIELD WIRING
HIGH VOLTAGE
LOW VOLTAGE SEE NOTE 3
7. COMPONENT CODE:
C - CONTACTOR
DISC - DISCONNECT SWITCH
EM - EVAPORATER MOTOR
F- FUSE
HTR - HEATER ELEMENT
R - RELAY SEQ - SEQUENCER
TL - THERMAL LIMIT TR - TRANSFORM ER
SEE NOTE 1
C
L1
L2
T1
T2
R
RD
GR
BL
BR
BR
OR
WH
WH 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
GR/YL
BL
BL
BL
BR
OR
WH
WH
PU
PU
YL
BL
RD
RD
BL
13
52
R
4
BK
BK
RD
RD
RD
RD