About Advanced Features & Operation
DRY CONTACT SWITCH -
ternal device such as a Central Time Clock, Occup-
ancy Sensor, or a Telephone activated device to force
one or more thermostats into an Unoccupied mode
(steps #11 and 12, page 13).
This feature allows an ex-
When the CK1 and R terminals are shorted together,
and the thermostat is programmed for Unoccupied
operation (step #12, page 13), the thermostat will be
forced into Unoccupied setpoints and the Unoccupied
icon will appear on the display.
Connect wires to a time
clock or other device to
force the thermostat into
Occupied 1 or Unoccu-
pied.
C
G
R
Y1
G3
W1
TERMINAL CONNECTIONS
G2
RS
H2O
CK1
Page 18
Important Note: For control of multiple
thermostats by one source, refer to
‘Potential Phasing Problems’ on page 24.
RS+5
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