About Advanced Features & Operation
26
DRY CONTACT SWITCH - This feature allows an external device such as a
Central Time Clock, Occupancy Sensor, or a Telephone activated device to
force one or more thermostats into an Unoccupied mode (steps #14 and 15,
page 21-22).
When the CK1 and R terminals are shorted together, and the thermostat is
programmed for Unoccupied operation (step #15, page 22), the thermostat
will be forced into Unoccupied setpoints and the Unoccupied icon will appear
on the display.
Note: The thermostat must be in Program On mode for this feature to have any
eect.
Important Note: For control of multiple thermostats by one source,
refer to ‘Potential Phasing Problems’ on page 32.
Connect wires to a time clock or
other device to force the thermostat
into Occupied 1 or Unoccupied.
C
G
R
Y1
G3
W1
TERMINAL CONNECTIONS
G2
RS
H2O
CK1
RS+5
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