User Guide

Product Information
5
V
iewStat Communicating Thermostat
HVAC System Pre-Installation Check List
Before getting started, determine what type of heating system is/will be installed in the house. Then
use the following table to determine if the proper numbers of wires are available, depending on the
HVAC System type.
HVAC System Pre-installation Check List
Application # of HVAC Wires Wiring Diagram
Single Stage Furnace & AC 5 FIG. 18 on page 29
Two Stage Furnace & Two Stage AC 7 FIG. 19 on page 30
Roof Top Unit (Two Stage Heat & Two Stage Cool) 7 FIG. 20 on page 31
Boiler with AC (Two Transformers) 5 FIG. 21 on page 32
Single Stage Heat Pump 7 FIG. 22 on page 33
Two Stage Heat Pump 9 FIG. 23 on page 34
First Stage Radiant Floor Heat
Second Stage Furnace One Stage of Cooling 6 FIG. 24 on page 35
In addition to the wires necessary to support the HVAC system control, an RJ45-
terminated Cat5 cable is necessary to support NetLinx or Landmark communications
(see theViewStat Installation and Wiring section on page 7 for details).