21
PROGRAMMING YOUR THERMOSTAT
STEP 4
SET THE SYSTEM AND FAN
SWITCHES, IF YOUR THERMO-
STAT HAS THEM.
Depending on thermostat model,
some or all of the switch positions
shown may be available to you.
Note the positions provided on your
thermostat, then set the switch(es)
as desired.
First set the fan switch.
FAN ON: The fan runs continu-
ously. Use for improved air circula-
tion during special occasions or for
more efficient electronic air clean-
ing.
FAN AUTO: Normal setting for
most homes. The fan goes on and
off with the air conditioner in
summer. In winter, the fan on most
systems starts a few minutes after
the furnace comes on. It stops a
few minutes after the furnace goes
off. The fan starts and stops with
the furnace in some electric heat
systems.
FAN
AUTO
ON
FAN
AUTO
ON
Summary of Contents for Programmable Thermostat
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Page 60: ...S M Rev 1 90 Printed in Taiwan R O C Form Number 69 0378 1 ...