Installation and Wiring
This section provides information about the following:
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Mounting the Thermostat and Cover Removal
Before beginning installation, it is recommended to re-read the section,
then ensure that the following conditions are met:
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Mounting the Backplate
Hazardous voltage!
Disconnect all electric power, including remote disconnects before servicing. Follow proper
lockout/tagout procedures to ensure the power cannot be inadvertently energized. Failure to
disconnect power before servicing could result in death or serious injury.
NOTICE
Equipment damage!
Applying excessive voltage to the thermostat can permanently damage it.
To mount the backplate:
1. Shut off the power to all HVAC equipment. If the security screw was previously installed,
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Mounting the thermostat and cover removal
Wiring and wiring diagrams
Thermostat cover replacement
A wire access hole is available at the thermostat location
The wires are accessible through the hole
The wires are attached to the appropriate terminals on the HVAC equipment
There is continuity (and not more than 2.5 ohms resistance) between the thermostat location
and the HVAC equipment
The wires are accurately labeled or color coded
WARNING
remove it (refer to
Figure 1, p.
11).
"Pre-Installation," p. 8
and
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