Nordyne E3 Series - Manual (Page 4)

4
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 tem-
perature 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 conditions.
To Operate Blower Continuously
1. Set blower selector switch to “ON” for summer
air circulation only (see Figure 1),
OR
2. If thermostat is equipped with optional
heating/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
infrequently 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
lowest 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 cooling coil is installed, furnace
fi lter is not used.
1. Replace furnace air fi lter (see Figure 1),
OR...
2. Remove coil fi lters, wash, and allow to dry.
Re-install coil fi lters to original positions.
3. Vacuum or wipe clean interior of furnace
cabinet.
4. Clean all lint and dust from around fur-
nace.
Every Six Months
1. Vacuum or wipe away any dust or lint on
blower motor.
Before Each Heating Season
NOTE: If a cooling coil is installed, furnace
fi lter is not used.
1. Replace furnace air fi lter (see Figure 1),
OR
2. Remove coil fi lters, wash, and allow to dry.
Re-install coil fi lters to original positions.
3. Have a qualifi ed serviceman inspect all
furnace components and fi eld wiring and
clean and service heating system as
needed. If this furnace was installed with
aluminum power supply wiring, have ser-
viceman periodically check all connections
to prevent possible equipment failure and/or
fi re hazard. Do not attempt any service
function yourself which requires opening
furnace control panel covers.