Haier AP242ACAAA Technical Manual page 49

(1) Usage of refrigerant
Take fleon R22 as refrigerant, factory filling quantity is 2380g. 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
Heat
exchanger
(4) Form and characteristics of compressor
Copeland ZR34K3-PFJ-522 Eddy compressor
Heating
Cooling
Stop
valve
Change
valve
Stop
valve
35
Outdoor unit
filte
one way
valve
quieter