Daikin HCU2040PXB1 Инструкция по монтажу онлайн [21/169] 610033

Daikin HCU4070PXB1 Инструкция по монтажу онлайн [21/169] 610034
14.3
Changing the Compressor Oil
Refrigeration oil is of bright, transparent appearance even after extended operation. However, various conditions
of the system can affect the oil such as insufficient evacuation of the system on start up, dirt from the pipework on
installation and excessive discharge temperatures. Initial Oil type is stated on the serial plate, for alternatives refer
to Hubbard Technical.
When the oil is seen to be in an unclean condition it should be changed to avoid consequential compressor
damage.
14.4 Changing a Compressor.
These instructions may be supplemented by additional reference material provided.
ATTENTION
Please ensure all work carried out is in accordance with your companies working
practices and that the required equipment/PPE is available and used.
WARNING
Pipework associated with the condenser will be at extreme temperatures.
WARNING
Ensure condenser electrical supply is fully isolated and locked off prior to working on
unit.
Should the need arise to change a compressor the following sequence should be followed:
Electrical
1. Turn off the power and control circuit of the compressor to be removed and attach a notice to the panel stating
that work is being carried out on the equipment.
2. Disconnect the wires from the compressor terminals taking note of the position of each cable.
3. Remove the conduits and cable from the terminal box.
Mechanically Isolate the Compressor
4. Undo any pipe clamps of pipework running to the compressor.
Page 21 of 169
Copyright HPL March 2021
P4367 Rev 01

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