AMX ViewStat - Manual (Page 11)

Product Information
5 ViewStat 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 26
Two Stage Furnace & Two Stage AC 7 FIG. 19 on page 27
Roof Top Unit (Two Stage Heat & Two Stage Cool) 7 FIG. 20 on page 28
Boiler with AC (Two Transformers) 5 FIG. 21 on page 29
Single Stage Heat Pump 7 FIG. 22 on page 30
Two Stage Heat Pump 9 FIG. 23 on page 31
First Stage Radiant Floor Heat
Second Stage Furnace One Stage of Cooling
6 FIG. 24 on page 32
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).