3
!
CAUTION:
For optional A/C or H/P systems,
always wait at least five minutes after
the system shuts off before restarting
the system. Observe this procedure
when operating the system per the
following instructions.
To Operate System in Cooling
Mode
NOTE: The “FAN ON/FAN AUTO” (fan switch)
and “HEAT/OFF/COOL” (system switch) are
located either on your thermostat (if it’s supplied
with a sub-base) or on the relay box added to
your furnace.
1.
Make sure blower selector switch is on
“Auto.”
2.
Set fan switch to “AUTO.”
3.
Set system switch to “COOL.”
4.
Set thermostat temperature selector to
desired comfort level.
To Operate System in Heating
Mode
1.
Make sure blower selector switch is on
“Auto.”
2.
Set fan switch to “AUTO.”
3.
Set system switch to “HEAT.”
4.
Set thermostat temperature selector switch
to desired comfort level.
NOTE: Allow at least one hour for the room
temperature to stabilize before you make a
second adjustment to the thermostat setting.
Once the desired comfort level is established,
make only small adjustments to the thermostat
setting to meet changing temperature condi-
tions.
To Operate Blower Continuously
1.
Set blower selector switch to “ON” for sum-
mer air circulation only (see Figure 1),
OR...
2.
If thermostat is equipped with optional heat-
ing/cooling sub-base or relay box (see
Figure 1), set fan switch to “ON.”
To Balance Air Distribution
1.
On a typical day, set thermostat selector to
desired comfort level and operate system
for several hours with all air registers open.
2.
With system on, check temperature in all
rooms.
3.
Partially close registers in rooms that are
too warm (in heating mode) or too cool (in
cooling mode) and in rooms that are infre-
quently occupied.
4.
Re-check room temperature and adjust
registers as needed.
To Shut Off System
1.
Make sure blower selector switch is on
“Auto”.
2.
Set thermostat temperature selector to low-
est temperature setting, OR...
3.
For thermostats with optional sub-base (see
Figure 1), or for systems with relay box, set
system switch to “OFF.”
!
WARNING:
To prevent hazard of electrical shock
and injury from moving parts, be
certain the thermostat is off and the
furnace circuit breaker(s) are in the
“OFF” position before servicing. Close
and properly latch the outer door after
doing the following recommended
maintenance.
MAINTENANCE INSTRUCTIONS
Regularly
NOTE: If a coil is installed, furnace filter is not
used.
1.
Replace furnace air filter (see Figure 1),
OR...
2.
Remove coil filters, wash, and allow to dry.
Re-install coil filters to original positions.
3.
Vacuum or wipe clean interior of furnace
cabinet.
4.
Clean all lint and dust from around furnace.
Every Six Months
1.
Vacuum or wipe away any dust or lint on
blower motor.
Before Each Heating Season
NOTE: If a coil is installed, furnace filter is not
used.
1.
Replace furnace air filter (see Figure 1),
OR...
2.
Remove coil filters, wash, and allow to dry.
Re-install coil filters to original positions.
