InverterCool CPT100 2C Wi-Fi Thermostat Instruction Manual

InverterCool CPT100 Manual: Questions and Answers

Can the InverterCool CPT100 work without a C-wire connection?

Yes, with the CPT100-1Wire Extender if the C-wire is not available. Instruction Manual, p. 21

What is the voltage rating for the InverterCool CPT100 power terminals?

24 VAC. Instruction Manual, p. 3

How do I wire a heat pump system to the InverterCool CPT100?

Assign wires according to heat pump terminal functions. Y1 and Y2 control compressor stages, W1/OB controls the reversing valve, and W2/AX controls auxiliary or emergency heat. Instruction Manual, p. 21

InverterCool CPT100 won't turn on, what should I check first?

Verify the HVAC system power is on at the breaker and that supply voltage does not exceed 30 VAC. Check all wire connections to the base are secure.

• Confirm HVAC panel breaker is in the ON position
• Measure voltage at thermostat terminals, must be 30 VAC or lower
• Ensure all wires are firmly connected to terminals Instruction Manual, p. 10

Why is the InverterCool CPT100 display showing a boot sequence?

This appears when the thermostat is first powered on or after a Factory Reset is performed. The last screen displays the model and firmware version number. Instruction Manual, p. 14