Haier 3U19FS1ERA Service Manual - Page 60

Liquid Pipe 6.35mm

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3. PIPING CONNECTION >_]]VbTZR\ _^UZdZ_^Vb Fit the nut on and fasten The maximum length and drop height of connecting pipe 90 0.5O Please refer to the installation manual of outdoor unit Joint To ensure the efficiency , Pipes shall be as short as possible. Spanner Cautions for piping connection Do not twist or deform the connecting pipe. Do not mix dusts. The bending radius shall be as large as possible. Both gas pipe and liquid pipe shall be heat insulation. No leakage in the flare. Piping connection Connecting method Spanner Diameter of Pipe Liquid Pipe 6.35mm Gas Pipe 12.7mm Nut Tighten Torque (N. m) 11.8 49.0 Smear refrigerant oil on the joints of piping and flare. The bending radius shall be as large as possible. Align the pipe center when fastening, and tighten the nut, as shown in the figure. Pay attention to not mix foreign matters such as sands in. If not aligned ,tighten the nut by force will damage the nut that result in gas leakage -59-

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The maximum length and drop height of connecting pipe
Cautions for piping connection
Smear refrigerant oil on the joints of piping and flare.
The bending radius shall be as large as possible.
Align the pipe center
when fastening, and tighten the
nut, as shown in the figure.
Pay attention to not mix foreign matters such as sands
in.
Do not twist or deform the connecting pipe.
Do not mix dusts.
The bending radius shall be as large as possible.
Both gas pipe and liquid pipe shall be heat insulation.
No leakage in the flare.
Piping connection
Connecting method
Spanner
Spanner
Joint
Nut
If not aligned ,tighten the nut by force will
damage the nut that result in gas leakage
Please refer to the installation manual of outdoor unit
To ensure the efficiency , Pipes shall be as short as possible.
Fit the nut on and fasten
Diameter of Pipe
Liquid Pipe 6.35mm
Gas Pipe 12.7mm
Tighten Torque
(N. m)
11.8
49.0
90
0.5
O
3.
PIPING CONNECTION
±²³³´µ¶·¸¹ º·µ ±²»¼·½·²»´µ
-59-