Setting The System And Fan Switches On The Subbase - Honeywell T8631A Owner's Manual

STEP 4
SETTING THE SYSTEM AND FAN
SWITCHES ON THE SUBBASE
The T8631A does not have the EM.
HT. switch position. Note the
positions provided on your sub-
base, then set the switch(s) as
desired.
First set the fan switch.
Then set the system switch.
PROGRAMMING YOUR THERMOSTAT
WARMER
COOLER
RUN
PROGRAM
Press the WARMER/COOLER keys
to set the temperature.
You have completed programming
the cooling temperatures.
Press and release to start the
program.
Go to Step 4.
FAN ON: Use for improved air
circulation during special occasions
or for more efficient electronic air
cleaning. The fan runs continuously.
FAN AUTO: Normal setting for most
homes and businesses. T8631A: the
fan starts and stops with the air
conditioner and with the heating
equipment when the fan switch (4A)
is set for electric heat. When 4A is
set for conventional heat, the fan is
controlled by the heating equipment.
T8631R: the fan starts and stops with
the compressor in heat pump
systems when the system switch is
set to HEAT or COOL. When system
switch is set to EM. HT., the fan
operates with the auxiliary heat (on
some models).
EM. HT. (T8631R only): The thermo-
stat controls only the backup heat.
The heat pump is off.
SET
PM
PT
TUE
LEAVE
11
FAN
ON AUTO
FAN
AUTO
ON
EM. HT. HEAT OFF COOL
12