12
INSTALLATION
Thermostat Equipment Control
R
1
2
C
1
2
C
R
Data 1

Data 2

24 VAC (Common

24 VAC
(Hot)

Fig. 8 - Thermostat and Equipment Control Wiring

RJ-11 Connection for
Configuration Plug-In tool
Status/Fault
7-Segment LED
Wiring to
Thermostat
R and C from HVAC
terminal strip or
system transformer
Wiring to
Sensor
Wiring to
indoor/outdoor
equipment
W/E
W2
Y
Y2
G
O/B
L
HM
HM2
DHM
DHM2
RC
RH
R
C
LED push
button switch
+
S
-
R
1
2
C
Wiring to
humidification
equipment
Wiring to
dehumidification
equipment
DHM switch*
HM switch*
Equipment ControlThermostat Base
Power System

Turn on AC power to the system. As the

equipment module is found, the display

will show “Equipment Control” found.

If the system continues searching after

a couple of minutes, check system

wiring.

Installation