Electrolux R410A Manual de instalación descargar pdf (Pagina 10)

A

R410A tool: 0-0.5mm

Conventional tool: 1.0-1.5mm

5. Checking

To be flared perfectly circular.

Flare nut not missing.

Connecting the pipes

1. Tighten the flare nuts by hand for the first

3-4 turns.

2. Use two wrenches to tighten up the

pipes.

1

2

1 Flare body

2 Flare nut

3. Wind coating tape around refrigerant

pipes together with drain hose and elec-

trical cable for general.

1

1 Coating tape

– Lay the drain hose below the pipes.

– The thermal insulation should cover

both the GAS and LIQUID pipes as

shown below. As insulation, use poly-

ethylene foam 6 mm or thicker.

2

1

3

4

5

1 Gas

2 Insulation

3 Liquid

4 Drain hose

5 Electrical cable

1

1 1

2 2 2

3

3 3

OK OK OK

1 Gas

2 Liquid

3 Insulation

Air removal

Use an adapter for preventing vacuum pump

oil from flowing back to the gauge manifold

hose.

ON/OFF operation of the vacuum pump

should be made by the adapter switch.

1. Remove both valve shaft caps of the 2

and 3-way valves.

2. Remove the service port cap of the 3-

way valve.

3. Connect the gauge manifold hose to the

service port and the vacuum pump.

Be sure that the hose end to be connec-

ted to the service port has a valve core

pusher.

4. Open the gauge manifold valve and op-

erate the vacuum pump for 10-15 mi-

nutes.

Make sure the compound gauge reads

-76cmHg.

5. Close the gauge manifold valve.

6. Turn off the vacuum pump.

7. Fully open the 2-way valve with hexagon

socket screw key. (diagonally 4 mm)

Turn all the way up to contact.

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