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504953M 03/06
3. Install room thermostat (ordered separately) on an in-
side wall approximately in the center of the conditioned
area and 5 feet (1.5 m) from the floor. It should not be
installed on an outside wall or where it can be affected
by sunlight, drafts or vibrations.
4. Install low voltage wiring from outdoor to indoor unit
and from thermostat to indoor unit.
NOTE − For proper voltages, select thermostat wire
gauge per the following chart:
Wire run length
AWG #
Insulation type
less than 100’ (30m)
18
color−coded, temperature
º
more than 100’ (30m)
16
color coded, temperature
rating 35
º
C minimum
HSXA16 Wiring
Figure 4
