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ENV-VST-C - Operation / Reference Guide
Table of Contents
ENV-VST-C ViewStat Color Communicating Thermostat ....................................1
Overview .................................................................................................................. 1
System Components ................................................................................................. 1
Installation and Wiring ........................................................................................3
Overview .................................................................................................................. 3
Disconnecting Power to All HVAC Equipment.......................................................... 3
Selecting the Thermostat Location ........................................................................... 3
Stand-Alone Thermostat Mounting Criteria .................................................................... 3
Remote Temperature Sensors ......................................................................................... 3
Removing the Faceplate from the Base........................................................................... 4
Mounting the Base to a Wall ........................................................................................... 4
Wiring the Thermostat.............................................................................................. 4
Wiring Terminals ............................................................................................................. 5
Communication and Equipment Terminal Wiring Definitions .......................................... 5
Preparing Captive Wires ................................................................................................. 6
Wiring Guidelines ............................................................................................................ 6
Wiring for AxLink ............................................................................................................ 6
Wiring Diagrams ....................................................................................................... 7
Single Stage Furnace and Single Stage A/C.................................................................... 7
Dual Stage Furnace and Dual Stage A/C ......................................................................... 8
Roof Top Unit with Dual Stage Heat and Dual Stage Cool.............................................. 9
Boiler and A/C with Separate Transformers .................................................................. 10
Single Stage Heat Pump................................................................................................ 11
Two Stage Heat Pump................................................................................................... 12
First Stage Radiant Floor Heat, Second Stage Furnace with Single Stage Cooling....... 13
Installing a Remote Sensor...................................................................................... 14
Installing the Outdoor Temperature Sensor.................................................................. 14
Installing the Indoor Flush Mount Sensor...................................................................... 15
Setup and Configuration ..................................................................................17
Overview ................................................................................................................ 17
Front Panel Components ........................................................................................ 17
Display........................................................................................................................... 17
Navigation Buttons........................................................................................................ 17
Mode/Select Button ...................................................................................................... 17
Navigating the ViewStat Color Communicating Thermostat .................................. 17
Main Screen................................................................................................................... 17
Changing the Heating and Cooling Setpoints ............................................................... 18