![Honeywell CT3400 Programming And Installation Instructions Download Page 31](http://html.mh-extra.com/html/honeywell/ct3400/ct3400_programming-and-installation-instructions_154045031.webp)
27
69-0733B—1
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.
Move the system switch to OFF and the
fan switch to ON. The fan should run
continuously. When the fan switch is in
the AUTO position, fan cycles with the
heating or cooling system.
FAN
AUTO
ON
HEAT
OFF
COOL
Temp
Press down arrow of key until setting is
about 10
°
F [6
°
C] below room tempera-
ture. The heating equipment should shut
off.
Temp
M2472
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.
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 will delay up to five minutes
before turning on the air conditioner.
This delay protects the compressor.
HEAT
OFF
COOL
FAN
AUTO
ON
Temp
28
69-0733B—1