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l) equipment are removed from site promptly and all isolation valves on the equipment are closed off.
m) Recovered refrigerant shall not be charged into another refrigeration system unless it has been cleaned and
checked.
Notice before seasonal use
(1) Check whether air inlets and air outlets of indoor and outdoor units are blocked
(2) Check whether ground connection is reliable or not
(3) If unit starts up after not operating for a long time, it should be power on 8 hours before operation starts so as to
preheat the outdoor compressor
(4) Precautions for Freeze Protection in Winter
Under subzero climatic conditions in winter, anti-freeze fluid must be added into the water cycle and external water
pipes should be properly insulated. Glycol solution is recommended as the anti-freeze fluid.
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