LG ARUN024GSS4.EWGBLUS Bedienungsanleitung PDF herunterladen (Seite 15)

ENGLISH

WARNING

• Regulation for refrigerant leakage

: the amount of refrigerant leakage should satisfy the following

equation for human safety.

If the above equation can not be satisfied, then follow the follow-

ing steps.

• Selection of air conditioning system: select one of the next

- Installation of effective opening part

- Reconfirmation of Outdoor Unit capacity and piping length

- Reduction of the amount of refrigerant

- Installation of 2 or more security device (alarm for gas leakage)

• Change Indoor Unit type

installation position should be over 2m from the floor (Wall

mounted type ’ Cassette type)

• Adoption of ventilation system

: choose ordinary ventilation system or building ventilation sys-

tem

• Limitation in piping work

: Prepare for earthquake and thermal stress

Liquid pipe

Gas pipe

Ⓐ Manifold Gauge

Ⓑ Low pressure side Handle

WARNING

• Pipe to be vacuumed : gas pipe, liquid pipe

• If the refrigerant amount is not exact, it may not operate

properly.

• If additionally bottled refrigerant amount is over 10%, condenser

burst or insufficient indoor unit performance may be caused.

Volume of the room at which Indoor Unit of

the least capacity is installed

Total amount of refrigerant in the system

≤0.44kg/m

(0.028lbs/ft

)

Refrigerant charging

1st

Main pipe

Distribution

2nd

3rd

3nd

Main pipe

Distribution

1st

3rd

3rd main pipe distribution

2nd

Horizontal Distribution

- Ensure that the branch pipes are attached vertically.

Header

Vertical Distribution

The others

Distribution Method

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 28 29

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