Lennox Heat Pump XP17-048-230-02

WARNING: This product and/or the indoor unit it is matched with may contain fiberglass wool. Disturbing the insulation during installation, maintenance, or repair will expose you to fiberglass wool dust. Breathing this may cause lung cancer. (Fiberglass wool is known to the State of California to cause cancer.) Fiberglass wool may also cause respiratory, skin, and eye irritation.

Check connecting lines, joints and coil for evidence of oil leaks.

Check condensate line and clean if necessary.

Sign off on the indoor coil maintenance

Use a thermocouple or thermistor electronic vacuum gauge that is calibrated in microns. Use an instrument capable of accurately measuring down to 50 microns.

Leak detector must be capable of sensing HFC refrigerant.

When using a high pressure gas such as dry nitrogen to pressurize a refrigeration or air conditioning system, use a regulator that can control the pressure down to 1 or 2 psig (6.9 to 13.8 kPa).

Refrigerant can be harmful if it is inhaled. Refrigerant must be used and recovered responsibly. Failure to follow this warning may result in personal injury or death.

Maintenance and service must be performed by a qualified installer or service agency.

Clean and inspect outdoor coil (may be flushed with a water hose). Ensure power is off before cleaning.

Outdoor unit fan motor is pre-lubricated and sealed. No further lubrication is needed.

Visually inspect all connecting lines, joints and coils for evidence of oil leaks.

Check all wiring for loose connections.

Check for correct voltage at unit (unit operating).

Check amp draw on outdoor fan motor.

Inspect drain holes in coil compartment base and clean it necessary.

NOTE - If insufficient heating or cooling occurs, the unit should be gauged and refrigerant charge should be checked.

Lennox blower motors are prelubricated and permanently sealed. No more lubrication is needed.

Adjust blower speed for cooling. Measure the pressure drop over the coil to determine the correct blower CFM.

Belt Drive Blowers - Check belt for wear and proper tension.

Check all wiring for loose connections.

Check for correct voltage at unit. (blower operating)

Check amp draw on blower motor.

Outdoor Coil Maintenance Procedure

It may be necessary to flush the outdoor coil more frequently if it is exposed to substances which are corrosive or which block airflow across the coil (e.g., pet urine, cottonwood seeds, fertilizers, fluids that may contain high levels of corrosive chemicals such as salts)

Outdoor Coil — The outdoor coil may be flushed with a water hose.

Outdoor Coil (sea coast) - Moist air in ocean locations can carry salt, which is corrosive to most metal. Units that are located near the ocean require frequent inspections and maintenance.

These inspections will determine the necessary need to wash the unit including the outdoor coil.

Consult your installing contractor for proper intervals/procedures for your geographic area or service contract.

Sign off on the outdoor coil maintenance