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Haier AP242ACAAA Technical Manual page 48

Cabinet air conditioner
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(1) Usage of refrigerant
Take fleon R22 as refrigerant, factory filling quantity is 3520g. If the length of connecting line is less than
or equal to 5m, additional refrigerant is unnecessary. If the length of connecting line is more than 5m, 50g
refrigerant shall be added for every 1 m more.
(2) System vacuum pumping
After connecting indoor and outdoor units, pump air and moisture from indoor unit and connecting line with
vacuum pump, vacuum degree of system shall be below 200Pa.
(3) Piping system diagram:
Indoor unit
Capillary tube
(4) Form and characteristics of compressor
Copeland CRNQ-1500-TFD-522
Piston compressor
Stop
valve
Heat
exchanger
accumulator
Stop
valve
Outdoor unit
Change valve
heat exchanger
quieter
Heating
Cooling
38

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