Nordyne E3 To Operate System in Cooling Mode, To Operate System in Heating Mode, Regularly

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.

4