Whirlpool AMB 892/G Bedienungsanleitung PDF herunterladen (Seite 19)

155

Air purging

The air which contains moisture remaining in the refrigeration cycle may cause a malfunction on the compressor. After

connecting the indoor and outdoor units, evacuate air and moisture from refrigerant cycle using a vacuum pump, as

shown below.

Note:

Because the system pressure is high and also to protect the environment, be sure not to discharge the

refrigerant to the air directly.

Vacuum pump

Indoor

unit

Refrigerant flow direction

3-way valve

Service

port

(2) Turn

(8) Tighten

Valve cap

(1) Turn

(8) Tighten

(7) Turn to fully open

the valve

2-way valve

(6) Open 1/4 turn

(7) Turn to fully open the valve

Valve cap

(1) Turn

(8) Tighten

3-way valve diagram

Connect to indoor unit

Open

position

Spindle

Needl

Service

port cap

Valve core

Connect to outdoor unit

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Whirlpool AMB 892/G Bedienungsanleitung Seite 19