Quick Start Guide

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Terminal Description

Terminal Color Function

G Green Fan

Rc RED Cooling transformer

Rh RED Heating transformer

O/B ORANGE Heat Pump O or Heat Pump B (reverse valve)

Y/Y2 YELLOW Y, Y2: Use for 1-2 stages of conventional A/C or

1-2 stages of heat pump compressor

W/W2 (AUX)

White

Brown

W, W2: Use for 1-2 stages of conventional heat or

1-2 stages of auxiliary heat with heat pump

C BLUE 24VAC common wire

Note:

1. Thermostat hub is designed for 24VAC with a 1A max. current.

2. Do not connect to line (high) voltage or millivolt systems

3. Switch enable: Rh=Rc (One transformer)

4. Switch disable: Rc

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Rh (Two transformer)

5. Y/Y2 will switch together, W/W2 will switch together