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Customer Assistance - Honeywell CT3300 Installation And Programming Instructions

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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If...
Cooling does not come on
House is too warm or too cool
Furnace cycles too often or system
cycle length is too short or too long
Thermostat current setting does not
match the display temperature to
within plus or minus 1°

CUSTOMER ASSISTANCE

Visit us on the Web at www.honeywell.com/yourhome or call Honeywell Customer Care at 1-800-468-1502.
Before you call, please have the following information available:
Thermostat model number and serial code (located under the battery cover).
Type of heating/cooling system (hot water, warm air, oil, gas, etc.).
Number of wires connected to the thermostat.
NOTICE: This equipment is a Class B digital apparatus, that complies with Canadian Radio Interference Regulations,
CRC c.1374.
Check that the System switch is set to Cool.
Check the system fuse or circuit breaker and replace or reset if necessary.
Check for correct wiring and good connections.
If display is blank or says "bAt Lo," install fresh batteries.
The thermostat has a built-in time delay on cooling. Allow 5-10 minutes
after changing setting before air conditioner starts.
If temperature setting is lower than room temperature and System On
arrow is displayed, thermostat is operating correctly. Contact ac contractor.
Press
to check the current temperature setting.
If desired, change the temperature setting.
Adjust the screws on the back of the thermostat.
Plug the wiring hole in the wall behind the mounting plate with insulation to
prevent drafts that might adversely affect thermostat operation.
Be aware that it is normal for the current setting and the displayed room
temperature to differ on occasion.
During recovery from setback or setup, setting and displayed room
temperatures can differ for up to 30 minutes after recovery period.
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Then...
69-1634—1

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