Haier AP96NACAEA Operation Manual - Installation Procedure
Refill refrigerant
When the outdoor valve is shut,fill the refrigerant from the access hole at the gas and liquid sides.
If the required filling is impossible,open all the gas and liquid valves,then slightly shut the gas valve,
run the compressor and fill the refrigerant from the access hole at the gas side.Now adjust the gas
valve to control the refrigerant flow,which will be gasified during absorption by the system.
If there is insufficient refrigerant in the system caused by leaks,refill it after the remaining refrigerant
is recollected.
Open all valves
Open all the valves of the outdoor unit.
Heat isolation of the pipes
Separate isolation should be made for the liquid and gas pipes.
Materials used for the pipe isolation at the gas side must withstand above 120 C temperature.
Refilling of refrigerant
After the vacuum pumping,replace the vacuum pump with the refrigerant pump and refill refrigerant.
Calculation of refrigerant quantity
The factory filled refrigerant into the piping excludes the part of pipes according to be refilled on the site.
Refill the amount of refrigerant into the piping according to the following formula.
The factory filled refrigerant is listed in the table below:
The quantit of the refrigerant to be refilled during installation depends on the diameter and length
of the liquid piping.
The quantity of the refrigerant t be refilled on the site=Actual length of liquid tube x quantity of
refrigerant to be refilled for per meter of liquid pipe.
Adding refrigerant
Refrigrant must be added in liquid state.
Refrigerant bottle swith or without a siphon
tube can be refilled with refrigerant upright
or upside down,Respectively.
Containers for R407C refrigerant must be marked
with R407C and a brown Stripe.
R407C refrigerant cannot share the same
instrument distributor and filling pipes.
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