Whirlpool AMD 385 Mode D'emploi page 29

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F. Connect the refrigerant pipe
• Selection of Connecting Pipe
Size of fitting pipe
Model \ Item
Gas pipe Liquid pipe
AMD 385
5/8
AMD 386
3/4
Note:
1. The standard pipe length is 5m,When the length(L) of the connecting pipe is less than or equals
5m,there is no need to add refrigerant. If the connecting pipe is longer than 5 m, it is required to add
refrigerant,in the above table,the amounts of refrigerant to be added for the models are listed for each
additional meter of pipe length.
2. The pipe wall thickness shall be 0.5-1.0 mm and the pipe wall shall be able to withstand the pressure of
6.0 MPa.
3. The longer the connecting pipe,the lower the cooling effect and the heating effect.
• When connect the pipe to the unit or back out it from the unit, please do use both spanner and torque
wrench. as shown in fig.3.
• When connect, smear both inside and outside of the flare nut with freeze motor oil, screw it by hand
and then tighten it with spanner.
• Refer to form 1 to check if the wrench had been tightened (too tight would mangle the nut and lead
leakage).
Max pipe length
(inch)
3/8
3/8
Smear freeze motor-oil
here
Torque wrench
Spanner
Wiring interface
Flare nut
Insulation for refrigerant pipe
Clamp (factory-supplied)
Unit side
Insulation material
Max height
(m)
difference between
indoor unit and
outdoor unit (m)
30
20
50
30
Median sponge (attachment)
(entwine the wiring interface with
seal mat)
Thread fasten (x4)
Gas collection tube
Liquid inlet tube
Refrigerant pipe
Insulation for refrigerant pipe
29
Amount of
additional
refrigerant to be
filled (for extra
length of pipe)
20 g/m
20 g/m
Heat preservation sheath of
liquid inlet tube (attachment)
(for liquid tube)
Heat preservation sheath of gas
collection tube (attachment)
(for gas tube)
Fig. 3

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Amd 386

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