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Cad Cell
Connections
Wiring
Connections
Thermostat
Terminals
(if applicable)
Communication
Port 2
Reset Button
with Red Light
Green Light
Yellow
Light
Communication
Port 1
Optional Snap-on Display
Module: For programming
and diagnostics
Optional Snap-on Alarm
Module: For adding isolat-
ed low voltage alarm con-
tacts to the base control.
See Alarm Module Instruc-
tions for specications.
Figure 1 – Getting to know the control
Page 2