Carrier 48HJ004-014 specifications Regular Dealer Maintenance, Typical Heat Section Detail

Fig. 5 — Typical Heat Section Detail

REGULAR DEALER MAINTENANCE

In addition to the type of routine maintenance you might be willing to perform, your unit should be inspected regularly by a properly trained and qualified Carrier service technician. An inspection (preferably each heating/cooling season, but at least every year) should include the following:

1.Inspection of all flue product passages — including the burners, heat exchanger, and flue collector box.

2.Inspection of all combustion- and ventilation-air passages and openings.

3.Close inspection of all gas pipes leading to and inside your unit.

4.Inspection and if required, cleaning of the condenser and evaporator coils.

5.Inspection, and if required, cleaning of the condensate drain pan.

6.Inspection and cleaning of blower wheel housing and motor.

7.Inspection of all supply- and return-air ducts for leaks, obstructions, and insulation integrity. Any problems found should be resolved at the time of inspection.

8.Inspection of the unit base for cracks, gaps, etc., which may cause a hazardous condition.

9.Inspection of the unit casing for signs of deterioration.

10.Inspection of all electrical wiring and components to ensure proper connection.

11.Inspection for leaks in the refrigerant circuit. Pressure- check to determine appropriate refrigerant charge

12.Inspection of fan wheels and housings, belt tension, and fan motor shaft bearings.

13.Operational check of the unit to determine working con- ditions. Repair or adjustment should be made at the time of inspection.

Your servicing dealer may offer an economical service contract that covers seasonal inspections. Ask for further details.

Complete service instructions can be found in the unit Installation, Start-Up and Service Instructions.

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