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6.2Please comply with the protection measures and safety warnings marked on the documents, labels and
nameplate on the unit.
6.3 Please comply with various safety regulations, wearing safety glasses and working gloves, and when
welding, wear the fireproof clothes.
Warning: Before maintaining the unit, cut off the main power supply of the unit,
otherwise electric shock will cause.
6.4 When maintaining, only the original parts shall be used and pay attention to correct installation, and the
parts must be installed in their original position.
6.5 During unit operation, the temperature of some parts of the refrigerant circuit may exceed 70℃, so
that the untrained personnel shall not make bold to remove the protection panel of the unit.
6.6 Unit shall not be installed in the air containing explosive gases.
6.7 If the heat pump type unit operates under the condition below 0℃, it must be installed in a place 300mm
higher than the ground, which can not only prevent the bottom plate from freezing, but also prevent the
accumulated snow from reaching this height to influence the unit's normal operation. The unit shall be
installed on a flat surface (the max. deviation of the ground level shall not exceed 2mm/m.)
7. Refrigerant system
one way
one way
valve
valve
liquid
accumulator
filter drier
liquid sight
glass
thermostatic expansion
valve
HAIER CHILLER
gas-liquid
segregater
air side heat exchanger
4-way
valve
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