Electrolux R410A Installationshandbuch PDF herunterladen (Seite 9)

• Be sure to lay the drain hose downward for

smooth drainflow.

1

2

1 No trap allowed

2 Not to rise

• Be careful not to allow the drain hose to

rise, form a trap or leave its end in water,

as shown below.

1

2

3

1 Not running wavy

2 No trap allowed

3 Not left in water

• Coil thermal insulation around a drain hose

extension, if running in the room.

• It is recommended to add an "intermediate

air vent" when the drain hose is extended

horizontally, or an "anti-back-flow air vent"

when the hose is exposed to high winds

on a high-rise building, for example. For

this purpose, employ a "T tube joint" (PVC-

made, commercially available) halfway in

the hose.

2

1

1 To drainage pit

2 Air vent (T tube joint)

Connecting the refrigerant pipes

• Use pipes with thickness 0.8mm.

• Connect the pipes for the indoor unit first

and then for the outdoor unit.

• Bend the pipes carefully as not to damage

them.

• Do not over tighten the tubes; it may be

deformed or damaged.

Use a torque wrench, when possible. See

the table below for the flare nut tightening

torque.

Flare nut tightening torque

Tube size Torque

Liquid side 1/4" 16±2N·m (1.6±0.2kgf·m)

Gas side 3/8" 38±4N·m (3.8±0.4kgf·m)

Flaring the pipe end

1. Cutting with a pipe cutter

Cut at a right angle.

2. Deburring

Allow no cuttings in the pipe.

3. Putting in the flare nut

4. Flaring

Flare processing dimensions (A) differ ac-

cording to the type of flare tool.

electrolux 9

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