Aire-Flo 4AC14LS24P Installation Instructions Manual - Page 12
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STEP 4 – ELECTRICAL – (Continued) – High Voltage and Field Control Wiring
The following illustration provides an example of control wiring connections when using a standard thermostat.
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.
NOTE - Wire tie provides low voltage control wire strain
relief and maintains 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:
Yellow to Y1
Black to C (common)
4AC14
4AC14
NOTE - Refer to furnace, blower coil and accessory instructions for
additional wiring configurations with other optional controls.
24VAC Control Wiring Diagrams (Field Installed)
ML180
4AC14
CBX25
4AC14
FIELD CONTROL WIRING
THERMOSTAT
POWER
R
HEAT
W1
COOLING
Y
INDOOR BLOWER
G
COMMON
C
WIRE RUN LENGTH
LESS THAN 100' (30 METERS)
MORE THAN 100' (30 METERS) 16
FIGURE 12
EL280, EL295, EL296
4AC14
Air handler shipped with jumpers installed between W1 and W2
1
and W2 and W3.
R connection required for air conditioner with LSOM. Resistor kit
2
(CAT #47W97) required when connection ComfortSense 7000
with LSOM 2.
L connection wired on units with LSOM.
3
FIGURE 13
Page 12
INDOOR UNIT
R
W
YELLOW
OUTDOOR UNIT
Y1
Y
G
BLACK
C
C
AWG# INSULATION TYPE
18
TEMPERATURE RATING
35ºC MINIMUM.
SLP98, SL28UH, SL280DF
4AC14
CBX40UHV
2
4AC14
1
RED
3
BROWN
BLUE