J&E Hall JEHSD-0600-M-3 Technical Manual
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Issue: 01.05.2017 Page 29Service & MaintenanceThe condensing units are designed to give long life operation with minimum maintenance. However, they should beroutinely checked and the following service schedule is recommended under normal circumstances:The removal of the top, side and front panels ensures that all parts are accessible.1. Compressor – Inspect at regular intervals• Check for refrigerant leaks on all joints and fittings.• Check mountings for tightness and wear.• Check operation of crankcase heater.• Check electrical connections.• Ensure that no abnormal noise or vibration is detected during test run.• Check the compressor oil levels and top up if required. The oil level should be visible at least ½ way up the oilsight glass.Compressor ModelApplicable RefrigerantZBD45KQE-TFDR404A / R407A / R407F / R448A / R449APolyolester - Emkarate RL 32 3-MAFRecommended Oils Polyolester - Mobil EAL Arctic 22 CC2. Condenser Fan Motor & Blade – Clean and inspect at regular intervals• Check for abnormal noise, vibration and fan imbalance.• Ensure that the fan motor is clean and spins freely.• Check that the condenser fan blade is clean and free from restriction and damage/imbalance.• Note: The Fan Motor is pre-lubricated and factory sealed so no maintenance is necessary.3. Condenser Coil – Clean and inspect at regular intervals.• Check and remove the dirt and debris between the fins using a soft brush, low pressure compressed air/inert gasor a low pressure sprayer utilizing clean water. A suitable chemical coil cleaner may be used as required.Accumulations of dirt on the condenser face can be removed with a soft bristle hand brush. When using liquids,ensure electrical items are isolated and correctly protected.• DO NOT USE HIGH PRESSURE JET WASHERS.• Check and remove any obstacles which may hinder the airflow through the condenser coil.Important Note:Warning! – Disconnect the mains electrical supply before servicing oropening the unit. |
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