J&E Hall Cellar Plus 70-S1, Техническое руководство

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Issue: 01.07.2020 Page 20
Service & Maintenance
The units are designed to give long life operation with minimum maintenance. However, they should be routinely checked and
the following service schedule is recommended under normal circumstances:
1.
Indoor and Outdoor units – Inspect at regular intervals
•
Check for refrigerant leaks on all joints and fittings.
•
Check mountings for tightness and wear.
•
Inspect pipework for any damage.
•
Check all electrical connections.
•
Ensure that no abnormal noise or vibration is detected during test run.
2. Condenser & Evaporator Fan Motors & Blades – Clean and inspect at regular intervals
•
Check for abnormal noise, vibration and fan imbalance.
•
Ensure that the fan motors are clean and spin freely.
•
Check that the fan blades are clean and free from restriction and damage/imbalance.
•
Note: The Fan Motors are pre-lubricated and factory sealed so no maintenance is necessary.
3.
Condenser & Evaporator Coils – Clean and inspect at regular intervals
•
Check and remove the dirt and debris between the fins using a soft brush and/or a suitable chemical coil cleaner then
rinse with clean water.
•
Check and remove any obstacles that may hinder the airflow through the coils.
•
Repair any damage to fins and ensure any guards are fitted correctly.
•
DO NOT USE HIGH PRESSURE WASHERS ON COILS – THEY DAMAGE THE FINS.
4. Controls
•
Check controller settings and operation.
•
Check calibration of temperature probe reading.
5.
Power Supply – Inspect at regular intervals.
•
Check the running current and voltage for the units.
•
Check the electrical wiring and tighten the wires onto the terminal blocks if necessary.
6. Refrigerant Charge
•
Check the refrigerant charge by ensuring that the system is operating correctly and the system pressures are as
expected.
•
Carry out a full leak test.
Important Note:
Warning! – Disconnect the mains electrical supply before servicing or opening the
units.