LG Electronics LF300CP(LP-C303R20), LF480CE(LP-C483TA0) service manual Indoor Unit installation

2. Indoor Unit installation

The mounting floor should be strong and solid enough to prevent it from vibration.

Drill the piping hole with 2.8 inch diameter hole- core drill at either the right or the left of indoor unit. The hole should be sightly slant to the outdoor side.

200mm(7.9 inch)

70mm(2.8 inch)	inch)	70mm(2.8 inch)
	90mm(3.5

Wall

Core Drill

INSIDEOUTSIDE

3. Outdoor unit Installation

Install the outdoor unit on the concrete or any solid base securely and horizontally by securing it with bolts (Ø12mm(0.5inch)) and nuts.

If there is any vibration transmitted to the building, mount the rubber underneath the outdoor unit.

4. Refrigerant amount

Before shipment, this air conditioner is filled with the rated amount of refrigerant including additional amount required for air-purging, subject to 7.5m(25ft) piping length. (The rated amount of refrigerant is indicated on the name plate.) But when the piping length exceeds 7.5m(25ft), additional charge is required according to the following table.

MODEL (BTU/h)	REFRIGERANT CHARGE
48k	40g/m(1.41oz/m)
30k	30g/m(1.06oz/m)

Example)

In case of 15m(49ft) long pipe(one-way), the amount of refrigerant to be replenished is:

48k : (15-7.5) x 40 = 300g

(15-7.5) x 1.41 = 10.58oz

Plastic tube (Bushing)

Wall

Tilt

Cut if necessary

More than 15mm(0.6 inch)

Insert the plastic tube through the hole.

Cut the extruded outside part of the plastic tube, if necessary.

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