Haier AC122ACERA [250/408] Installation

Haier AU122AEEAA [250/408] Installation
(1) Outline piping
4. Refrigerant piping
Outdoor
unit
Gas pipe
Liquid
pipe
Flare connection
Indoor
unit
3-way stop valve
3-way stop valve
Outdoor
unit
3-way stop valve
Gas pipe
Liquid
pipe
Flare connection
Indoor
unit
Flare connection
2-way stop valve
AU182AEEAA AU122AEERA AU182AFERA
AU242AGEAA AU282AHEAA AU28NAHEAA AU362AIEAA AU36NAIEAA AU362ALEAA
AU42NALEAA
AU48NAIEAA AU60NAIEAA AU72NAIEAA AU242AGERA AU282AHERA
AU362AHERA
AU36NAHERA
AU362AIERA AU48NAIERA AU60NAIERA
(2) Piping size
(3) Limitations for one way piping length and vertical height difference.
Precautions for refrigerant piping
Do not twist or crush piping.
Be sure that no dust is mixed in piping.
Bend piping with as wide angle as possible.
Keep insulating both gas and liquid piping.
Check flare-connected area for gas leakage.
Install the removed flare nuts to
the pipes to be connected, then
flare the pipes.
Model
One way piping length
Vertical height difference
(between indoor and outdoor)
less than 20 m
AU362AIEAA AU36NAIEAA
AU42NALEAA AU48NAIEAA
AU60NAIEAA AU72NAIEAA
AU362AHERA AU36NAHERA
AU362AIERA AU48NAIERA
AU60NAIERA
AU182AEEAA AU122AEERA
AU242AGEAA AU282AHEAA
AU28NAHEAA AU182AFERA
AU242AGERA AU282AHERA
Gas pipe
15.88x1.0mm
Liquid pipe
Gas pipe
9.52x0.8mm
19.05x1.0mm
Liquid pipe
9.52x0.8mm
Gas pipe
12.7x1.0mm
Liquid pipe
6.35x0.8mm
90+0.5
AU362AIEAA AU36NAIEAA
AU362ALEAA AU42NALEAA
AU48NAIEAA AU60NAIEAA
AU72NAIEAA AU48NAIERA
AU60NAIERA
AU242AGEAA AU282AHEAA
AU28NAHEAA AU242AGERA
AU282AHERA AU362AHERA
AU36NAHERA AU362AIERA
AU182AEEAA
AU122AEERA
AU182AFERA
less than 30 m
less than 15 m
less than 15 m
less than 50 m
less than 30 m
Installation
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