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Install of The Compact Panel Cassette Type Indoor Unit
5
Smear freeze motoroil
here
Spanner
Thread fasten(x4)
Median sponge (attachment)
(entwine the wiring interface
with seal mat)
Gas collection tube
Liquid inlet tube
Heat preservation
sheath of liquid inlet
tube (attachment) (for
liquid tube)
Heat preservation
sheath of gas collection
tube (attachment)(for
gas tube)
Flare nut
Wiring interface
Torque wrench
Fig.5
Form 1: The tightening torque needed for tightening nut
Diameter
（
Inch
）
Surface thickness
（
mm
）
Tightening torque (N
·
m)
φ1/4’’
≥
0.5 15-30 (N
·
m)
φ3/8’’
≥
0.71 30-40 (N
·
m)
φ1/2’’
≥
1 45-50 (N
·
·m)
φ5/8’’
≥
1 60-65 (N
·
m)
φ3/4’’
≥
1 70-75 (N
·
·m)
2.7 Drainage hose
(1). Install the drain hose
◆
The diameter of the drain hose should be equal or bigger than the connection pipe’s. ( The
diameter of polythene pipe: Outer diameter 25mm Surface thickness
≥
1.5mm)
◆
Drain hose should be short and drooping gradient should at less 1/100 to prevent the
formation of air bubble.
◆
If drain hose cannot has enough drooping gradient, drain raising pipe should be added.
◆
To prevent bent of the drain hose, the distance between hoisting stand should is 1 to 1.5m.
Fig.6
◆
Use the drain hose and clamp attached. Insert the drain hose to the drain vent, and then
tighten the clamp.
◆
Entwine the big sponge on the clamp of drain hose to insulate heat.
◆
Heat insulation should be done to indoor drain hose.
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