Indoor Unit Installation; Outdoor Unit Installation; Refrigerant Amount - LG AP-Z Series Svc Manual

Installation of Indoor, Outdoor Unit

2. Indoor Unit installation

① The mounting floor should be strong and solid
enough to prevent it from vibration.
② Drill the piping hole with 70mm diameter hole-core
drill at either the right or the left of indoor unit. The
hole should be sightly slant to the outdoor side.
③ Insert the plastic tube through the hole.
200mm
70mm
Core Drill
INSIDE
Wall
Plastic tube
(Bushing)
④ Cut the extruded outside part of the plastic tube, if
necessary.
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Only for training and service purposes
70mm
Wall
OUTSIDE
Tilt
Cut if necessary
More than 15mm
- 24 -

3. Outdoor unit Installation

① Install the outdoor unit on the concrete or any solid
base securely and horizontally by securing it with
bolts (Ø12mm) and nuts.
② 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 5m piping
length. (The rated amount of refrigerant is indicated
on the name plate.) But when the piping length
exceeds 5 meters, additional charge is required
according to the following table.
MODEL
AP-Z286RC0
AP-Z286R20
AP-Z286R30
AP-Z488TC0
AP-Z728FA0
Example)
In case of 10m long pipe(one-way), the amount of
refrigerant to be replenished is:
(10 - 5) x 30 = 150g
REFRIGERANT CHARGE
30g per 1m
40g per 1m
200g per 1m
LGE Internal Use Only