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Package Contents/Tools Required
Package includes: McQuay thermostat on base, thermostat cover, wiring labels, screws and wall anchors,
Installation, Operation and Application Guide
Tools required for installation: Drill with 3/16” bit, hammer, screwdriver
Important Safety Information
1. Turn off power to the heating and cooling system by removing the fuse or switching the appropriate circuit
breaker off.
2. Remove cover of old thermostat. This should expose the wires.
3. Label the existing wires with the enclosed wire labels before removing wires.
4. After labeling wires, remove wires from wire terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to install this thermostat.
To Remove Existing Thermostat
WARNING
ELECTRICAL SHOCK HAZARD – Turn off power at the main service panel by removing the fuse or
switching the appropriate circuit breaker to the OFF position before removing the existing thermostat.
• This thermostat is for 24 VAC applications only; do not use on voltages over 30 VAC
• Do not short across terminals of gas valve or system control to test operation; this will damage your thermostat
and void your warranty
• All wiring must conform to local and national electrical and building codes
• Use this thermostat only as described in this manual
WARNING
Always turn off power at the main power supply before installing, cleaning, or removing thermostat.
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