Carrier Performance TP-PRH-A Installation Instructions Manual page 13

!
UNIT DAMAGE HAZARD
Failure to follow this caution may result in equipment damage or
improper operation.
Improper wiring or installation may damage Thermidistat Control.
Check to make sure wiring is correct before proceeding with
installation or turning on power.
1. Turn off all power to equipment.
2. If an existing Thermidistat Control or thermostat is being replaced:
a. Remove existing control from wall.
b. Disconnect wires from existing thermostat, 1 at a time.
c. As each wire is disconnected, record wire color and terminal marking.
d. New or additional wires may be needed to accommodate added humid-
ity outputs.
e. Discard or recycle old control.
CAUTION
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