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ELECTRICAL - THERMOSTAT WIRING
Thermostat Installation
The thermostat should be located on an interior wall in
a larger room, away from supply duct drafts. DO NOT
locate the thermostat in areas subject to sunlight, drafts
or on external walls. The wire access hole behind the
thermostat may in certain cases need to be sealed to
prevent erroneous temperature measurement. Position
the thermostat back plate against the wall so that it
appears level and so the thermostat wires protrude
through the middle of the back plate. Mark the position
of the back plate mounting holes and drill holes with a
/16” (5mm) bit. Install supplied anchors and secure plate
to the wall. Thermostat wire must be 18 AWG wire. Wire
the appropriate thermostat as shown in Figures 5 to
the low voltage terminal strip on the CXM control board.
Practically any heat pump thermostat will work with Heat
Controller units.
Y
O
G
R
C
L
Unidad
Y
W
O
G
R
C
AL1
T-Stat Típico
1Calor/ 1 Frío
Typical T-Stat
Y
O
G
R
C
L
Unit
Y
W
O
G
R
C
AL1
W
Note:
- Thermostat must be configured to call for "G"
when electric heat ("W") is energized
Figure 25: Units With PSC Fan And CXM
