Page 24
CBX32MV
Make sure the liquid line and suction line entry points are
sealed with either the provided flexible elastomeric thermal
insulation, or field provided material (e.g. Armaflex,
Permagum or equivalent). Any of the previously mentioned
materials may be used to seal around the main and
auxiliary drains, and around open areas of electrical inlets.
Field Control Wiring
WARNING
Electric Shock Hazard.
Can cause injury or death.
Foil‐faced insulation has conductive characteristics simi
lar to metal. Be sure there are no electrical connections
within a ½” of the insulation. If the foil‐faced insulation
comes in contact with electrical voltage, the foil could pro
vide a path for current to pass through to the outer metal
cabinet. While the current produced may not be enough
to trip existing electrical safety devices (e.g. fuses or cir
cuit breakers), the current can be enough to cause an
electric shock hazard that could cause personal injury or
death.
Wiring must conform to the current National Electric Code
ANSI/NFPA No. 70, or Canadian Electric Code Part I, CSA
Standard C22.1, and local building codes. Refer to
following wiring diagrams. See unit nameplate for minimum
circuit ampacity and maximum over-current protection
size.
WARNING
Run 24V Class II wiring only through specified low voltage
opening. Run line voltage wiring only through specified
high voltage opening. Do not combine voltage in one
opening.
Select the proper supply circuit conductors in
accordance with Tables 310-16 and 310-17 in the
National Electric Code, ANSI/NFPA No. 70 or Tables 1
through 4 in the Canadian Electric Code, Part I, CSA
Standard C22.1.
Separate openings have been provided for 24V low voltage
and line voltage. Refer to the dimension illustration for
specific location.
CAUTION
USE COPPER CONDUCTORS ONLY.
Wiring connections
1. Install line voltage power supply to unit from a
properly-wired circuit breaker.
2. Ground unit at unit disconnect switch or to an earth
ground.
NOTE - Connect conduit to the unit using a proper conduit
fitting. Units are approved for use only with copper
conductors. A complete unit wiring diagram is located on
the back side of the unit's access panel.
3. Install low voltage wiring from outdoor to indoor unit
and from thermostat to indoor unit.
NOTE - For proper voltages, select control wiring gauge per
the charts on page 28.
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