Filter
Top Products
7
Press
SYSTEM
HEAT-OFF-COOL-AUTO
to turn thermostat OFF
before removing thermostat from the
wall to replace the battery.
2. You may adjust option switch #4 for auto-
matic changeover from heating to cooling
(see OPERATING FEATURES).
CAUTION
!
BACK OF THERMOSTAT BODY
Option switches 9-pin connector
4-pin connector
Battery
W18