Amx ENV-VST-C User Manual download pdf (Page 11)

Installation and Wiring

iewStat Color Communicating Thermostat

Wiring the Thermostat

1. Make sure the HVAC system power is off.

2. Strip 1/4" (0.63 cm) of insulation from each wire you are using.

3. Secure the wires into the terminals on the base according to the appropriate wiring diagram, as

described in the following table. Refer to the Wiring Diagrams section on page 9. Use color-coding

practices (i.e. white wire to W terminal) whenever possible.

4. Check each wire to ensure it is securely fastened, not broken, and any exposed wires are not

touching each other.

A qualified HVAC technician should perform these steps to ensure proper termination.

• Single Stage Furnace and Single Stage A/C Refer to the

Single Stage Furnace and

Single Stage A/C

section on page 9

• Dual Stage Furnace and Dual Stage A/C Refer to the

Dual Stage Furnace and Dual

Stage A/C

section on page 10

• Roof Top Unit with Dual Stage Heat and Dual

Stage Cool

Refer to the

Roof Top Unit with Dual Stage

Heat and Dual Stage Cool

section on

page 10

• Boiler with A/C with Separate Transformers Refer to the

Boiler and A/C with Separate

Transformers

section on page 11

• Single Stage Heat Pump Refer to the

Single Stage Heat

Pump

section on page 11

• Two Stage Heat Pump Refer to the

Two Stage Heat Pump

section

on page 12

• First Stage Radiant Floor Heat, Second Stage

Furnace One Stage of Cooling

Refer to the

First Stage Radiant Floor Heat,

Second Stage Furnace with Single Stage

Cooling

section on page 13

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Amx ENV-VST-C User Manual Page 11

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