10
Setup
The thermostat will automatically
detect connected wires.
Follow the on-screen instructions to
complete the thermostat configuration.
NOTE: If the thermostat screen does not show
all the connected wires, remove the thermostat
from the wall and verify that all wires are
properly connected. If issues persist, there may
be a problem with automatically detecting your
wiring. Please see the Bypassing Wire Detection
information in the Troubleshooting section.
Depending on the system type and
configuration, the thermostat may request
the following information during setup:
Heat type
Tells the thermostat whether it should
turn on the fan during a heating cycle.
• Forced air heating: Electric
• Radiant floor heating: Fossil
• Fossil/electric baseboard heating: Fossil
• Radiators: Fossil
• If unsure: Unsure
Backup heat type
Tells the thermostat what type of auxiliary/
backup heating the heat pump uses.
• Electric: This is the most common
type of backup heating.
• Dual fuel: Some heat pumps use a fossil
furnace (for example, natural gas, oil,
or propane) for backup heating.
• If unsure: The system will automatically detect
which heat type is appropriate for your system.
Z1/Z2 terminal function
These are the “dynamic” terminals. If an auxiliary
wire has been connected, please specify the
function it will perform.
• W3: Third stage of heat or aux
• H: Humidifier
• DH: Dehumidifier
• EX: Ventilation (HRV, VRV, air baffle)
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