User's Manual

Step 4. Connect the Wiring

You need to use low--voltage cable to connect the thermostat to the

HVAC equipment. Check the wiring diagrams on the proceeding pages

for the number of wires required.

NOTE: There is a factory installed jumper between R/H and R/C.

Ensure any unused wires do not have exposed bare copper conductors.

To connect the thermostat to the equipment:

1. Connect the wires as shown in the wiring diagrams.

2. Attach the The Legacy Line Wi--Fi Thermostat to the backplate.

Ensure that the pins on the thermostat align with the terminal

block on the backplate.

Wiring Diagrams

The following diagrams show how to connect the thermostat terminals to

various HVAC equipment.