STEP 4
SET THE SYSTEM AND FAN
SWITCHES ON THE SUBBASE.
Depending on thermostat model,
some of the switch positions
shown may not be available to
you. Note the positions provided
on your subbase, then set the
switch@) as desired.
First set the fan switch.
Then set the system switch,
Now, while you enjoy precision
temperature control, read on to
learn about the operating flexibil-
ity that makes this thermostat
THE SMART CHOICE.
FAN ON: The fan runs, continu-
ously. Use for improved ,air
circulation during special occa-
sions or for more efficient elec-
tronic air cleaning.
FAN AUTO: Normal setting for
most homes and businesses.
The fan starts and stops with the
compressor in heat pump sys-
tems when the system switch is
set to HEAT, AUTO or COOL.
When system switch is set to
EM. HT., the fan operates with
the auxiliary heat (on some
models).
EM. HT. or SUPL. HT.: The
thermostat controls only the
backup or supplemental heat.
The heat pump is off.
HEAT: The thermostat controls
your heating system.
OFF: Both the heating and cool-
ing systems are off
AUTO (select models only): The
thermostat controls either your
heating or cooling system,
depending on room temperature.
COOL: The thermostat controls
your cooling system.
You have finished programming
your thermostat.
If you removed it from the wall to
program, replace it following the
procedure on page 26.
16
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