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RF
Y
2
OC
RG YO B
W
1
W
2
34561
T-Stat
(X13510588020)
Manual changeover:
-two-stage heat
-one-stage cool
TWE
(Sizes 031-065)
GSSD
(Sizes 024-072)
GSSD 24V Field Wiring
W
1
W
2
Compressor
Reversing valve (energized
5
6
in cooling)
Field Wiring Connections
Power wiring to the unit should be in-
stalled per local electric codes by a
professional electrician.
The wires can be run to the unit
through the available knockouts
and to the control box in the top half of
the unit.
Control wiring to the unit is 24 volt.
The termination point identifications
for the terminal strip is identified per
Figure 5.
1
Common
Hi Voltage
Pump Control
Low Voltage
Terminal Strip
to TWE
for Low Voltage
1K1 to
Water Pump
and L1 / L2
Ground
Installation- Electrical
Figure 5: Field wire connections.