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User Guide
Appendix: Wiring Diagrams
This chapter describes the wiring diagrams of the thermostat if there is a C wire. If there is no C wire or common wire, it is possible to use a Power Extension Kit (PEK). For details, please contact Milesight.

User Guide
- Preface
- Product Introduction
- Compatibility
  This chapter introduces the device compatibility and describes the steps to check the compatible systems.
- Install the Device
- Operation Guide
- Appendix: Wiring Diagrams
  This chapter describes the wiring diagrams of the thermostat if there is a C wire. If there is no C wire or common wire, it is possible to use a Power Extension Kit (PEK). For details, please contact Milesight.
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Appendix: Wiring Diagrams

This chapter describes the wiring diagrams of the thermostat if there is a C wire. If there is no C wire or common wire, it is possible to use a Power Extension Kit (PEK). For details, please contact Milesight.

Wiring for Conventional Systems

Furnace + Air Conditioner (Up to 2-heat/2-cool)
Boiler + Air Conditioner (2-heat/2-cool, 2 transformers)

Wiring for Heat Pumps

Heat Pump with Auxiliary Heat

Appendix: Wiring Diagrams

Wiring for Conventional Systems

Wiring for Heat Pumps

Wiring for PTAC