Installation
Thermostat
Overview
Thermostat
Setup
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4 Installer’s Guide
Equipment
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This booklet contains installation instruction and information on the
thermostat only. Separate installation instructions for the furnace or air
handler and outdoor AC condensing unit or heat pump are provided.
This thermostat is designed exclusively for the ClimateTalk
TM
communicating system.
Wiring Requirements
Each communicating device in the system has a four wire connection labelled (R, C,
1, 2). Each R, C, 1, and 2 terminals must be wired consistently. Maximum length from
the thermostat to the indoor unit is 100 feet. Maximum length from the indoor unit to the
outdoor unit is 125 feet.
To uchscreen Indoor
Outdoor
R
C
1
2
R
C
1
2
R
C
1
2
24VAC (Hot)
24VAC
(Common)
Data 1
Data 2
Installation