Honeywell CT3455 - Manual (Page 15)

25 69-0733—3
26 69-0733-3
STEP 10 Check Thermostat Operation After Programming
And Installing
HEATING
Do
not check heating system operation
by jumpering thermostat terminals at
the primary control, such as the gas
valve, zone valve, oil burner control.
This will damage the thermostat. In-
stead, you could jumper R and W wires
at the thermostat.
HEAT OFF COOL Move the system switch to HEAT and
the fan switch to AUTO.
Press up arrow of key until the setting is
about 10
°
F (6
°
C) above room tempera-
ture. Heating should start and the fan
should run after a short delay (immedi-
ately if fan operation switch is set in
ELEC position).
FAN
AUTO ON
Temp
M2472
Press down arrow of key until setting is
about 10
°
F (6
°
C ) below room tempera-
ture. The heating equipment should shut
off.
COOLING
To avoid possible compressor damage,
do not operate the cooling system when
outside temperature is below 50
°
F
(10
°
C). See compressor manufacturer
instructions for further information.
NOTE: When cooling setting is changed,
thermostat may delay up to five min-
utes before turning on the air condi-
tioner. This delay protects the com-
pressor.
Move the system switch to COOL and
the fan switch to AUTO.
Press down arrow of key until setting is
about 10
°
F (6
°
C) below room tempera-
ture. The cooling equipment and fan
should start.
Press up arrow of key until the setting is
about 10
°
F (6
°
C) above room tempera-
ture. The cooling equipment and fan
should stop.
Temp
M2472
HEAT OFF COOL
FAN
AUTO ON
Temp
Temp