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Honeywell CT3300 Installation And Programming Instructions page 19

Weekday/weekend (5-day/2-day) programmable heat and/or cool low voltage (20 to 30 vac) thermostat and mounting plate
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d. Install new batteries. Make sure that positive and negative terminals are oriented as marked inside battery case.
e. Close the battery door and set the System switch to Heat or Cool.
NOTE:
If "bAt Lo" continues to display after replacing the batteries, set System switch to Off, insert batteries back-
ward, wait for five to ten seconds, and return batteries to correct orientation. Then reprogram.
IMPORTANT:
Replace batteries once a year to prevent heating/cooling system from shutting down due to lack of battery
power in thermostat. If leaving home for longer than a month, change batteries before leaving.
Override program settings
NOTE:
Make sure the System switch is set to either Heat or Cool before making any changes to the schedule.
Change the temperature temporarily
Press
or
The TEMPORARY indicator displays, indicating that the change
is temporary.
NOTE:
A temporary change to temperature lasts for current
program period only. Heating/cooling schedule you
programmed resumes when next scheduled program
period is reached.To cancel temporary change before
next scheduled program period, press
until desired temperature displays.
Fig. 27.
.
19
69-1634—1

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