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3
ROUTE CONTROL WIRES — NON-COMMUNICATING
Install low voltage control wiring from outdoor to indoor unit and from
thermostat to indoor unit as illustrated.
A
Run 24VAC control wires through hole with grommet.
B
Make 24VAC control wire connections to heat pump control (A175).
NOTE — Do not bundle any excess 24VAC control wires inside control
box.
NOTE — Wire tie provides low voltage wire strain relief and to maintain
separation of field installed low and high voltage circuits.
NOTE — For proper voltages, select control wire gauge per table below.
WIRE RUN LENGTH
LESS THAN 100' (30 METERS)
MORE THAN 100' (30 METERS) 16
ROUTE CONTROL WIRES — COMMUNICATING
Maximum length of wiring (18 gauge) for all connections on the RSBus is limited to 1500 feet (457 meters). Color-coded, temperature rating 95
º
(35
C) minimum, solid core. (Class II Rated Wiring)
Point-to-point connections shall not exceed 500 feet (152 meters).
4
ROUTE HIGH VOLTAGE AND 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 box. Connect conduit to the control panel using a proper conduit fitting.
HIGH VOLTAGE
CONDUIT HOLE
WATERTIGHT
CONDUIT
FITTING
WATERTIGHT
FLEXIBLE
CONDUIT
TO SERVICE
DISCONNECT BOX
XP17
AWG# INSULATION TYPE
18
TEMPERATURE RATING
35ºC MINIMUM.
PIPING PANEL
CONTROL BOX
HVAC
GROUND LUG
CONTACTOR
ELECTRICAL INLET (CONTROL WIRING — LOW VOLTAGE).
USE BUSHING PROVIDED IN BAG ASSEMBLY HERE.
B
HEAT PUMP
CONTROL
(A175)
ELECTRICAL INLET
(HIGH VOLTAGE)
WIRING ENTRY POINTS
Page 62
CONTROL BOX
A
HOLE
ACCESS VIEW
º
F
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