Honeywell CT3400 Programming And Installation Instructions page 30

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.
Press down arrow of key until setting is
Temp
about 10° F [6° C] below room tempera-
ture. The heating equipment should shut
off.
M2472
Move the system switch to COOL and
HEAT OFF COOL
the fan switch to AUTO.
ON AUTO
FAN
Press down arrow of key until setting is
Temp
about 10° F [6° C] below room tempera-
ture. The cooling equipment and fan
should start.
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