SERVICING
58
COOLING EMERGENCY MODE WIRING FOR TXV
APPLICABLE INDOOR UNIT
Cooling emergency mode is available when using a TXV
applicable indoor unit. To energize the blower at the appro-
priate speed, standard Legacy wiring is required. The image
below shows how the thermostat input terminals are to be
run continuously with this wiring which is required. The out-
door unit will cycle as described in the Cooling Emergency
Mode section when appropriate dip switch modes are set
.
1
2 R
C
G
W1 W2
Y1 Y2
0
DEHUM
Indoor Unit Integrated Control Module
Note: Emergency heating mode is not available with TXV
applicable indoor units. If communications still exist between
the indoor unit and thermostat, the thermostat should be
used to provide heating calls.