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Compatibility Section
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PHONE 1-800-633-3991
Electrical Specifications
INPUT: 24V~@60Hz, 0.2A
• REQUIRED: A CWire (common wire) is needed for 24 VAC power. If you do not
have a CWire, then a CWire Adapter is provided.
This guide will help you determine if you have a CWire or will need to use the
included CWire Adapter (Step 10). The CWire is a wire that originates from your
heating and cooling system and needs to be connected to the C terminal on your
thermostat. There is no universal color used to designate this type of wire.
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning installation.
CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the
compressor quickly.
CAUTION: MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control
in the trash. Contact your local waste management authority for instructions regarding recycling and
proper disposal.
• Compatible with most heating, cooling, and heat pump systems
• Does not work with electric baseboard heat (120240V)
• Does not work with millivolt systems
• Does not support S terminals for indoor and outdoor sensors
• Android or iOS smartphone, tablet, or device
C
U
GY
GY
A
OR
CWire CWire Adapter
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