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ROUTING HIGH VOLTAGE/ GROUND AND CONTROL WIRING
HIGH VOLTAGE / GROUND WIRES
Any excess high voltage field wiring should be trimmed and
secured away from any low voltage field wiring. To facilitate a
conduit, a cutout is located in the bottom of the control panel.
Connect conduit to the control panel using a proper conduit
fitting.
CONTROL WIRING
NOTE — Wire tie provides low voltage control wire strain relief and to maintain
separation of field installed low and high voltage circuits.
NOTE — For proper voltages, select thermostat wire (control wires) gauge per
table above.
NOTE — Do not bundle any excess 24VAC control wires inside control panel.
Install low voltage wiring from outdoor to indoor unit and from
thermostat to indoor unit as illustrated.
A
Run 24VAC control wires through hole with grommet and secure
with provided wire tie.
B
Make 24VAC thermostat wire connections. Locate the two wires
from the contactor and make connection using field provided wire
nuts:
S
Yellow to Y1
S
Black to C (common)
WIRE RUN LENGTH
LESS THAN 100' (30 METERS)
MORE THAN 100' (30 METERS) 16
Typical Field Wiring Diagram (Y and G Voltages)
AWG# INSULATION TYPE
18
TEMPERATURE RATING
35ºC MINIMUM.
Figure 14. Typical Wiring Diagram
HIGH VOLTAGE
FIELD WIRING
LOW VOLTAGE
FIELD WIRING
GROUND
FACTORY
WIRING
HIGH VOLTAGE
CONNECTIONS
(CONTACTOR)
THERMOSTAT
INDOOR UNIT
POWER
R
R
HEA
T
W1
W
COOLING
Y
Y
INDOOR
BLOWER
G
G
COMMON
C
C
Typical Field Wiring Diagram (J Voltage)
Page 17
GN
D
THREE PHASE
WIRE
NUTS
GROMMET
HIGH VOLTAGE
FLEXIBLE CONDUIT
AND WIRE TIE
OUTDOOR
UNIT
Y1
B
CONTROL
WIRING
C
A
GROMMET
TSA*H4 SERIES
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