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

Installation of Indoor, Outdoor Unit

2. Indoor Unit installation

The mounting floor should be strong and solid
enough to prevent it from vibration.
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 out-
door side.
200mm
70mm
Core Drill
INSIDE
Plastic tube
(Bushing)
Insert the plastic tube through the hole.
Cut the extruded outside part of the plastic tube,
if necessary.
24 Floor Standing Type Air Conditioner
70mm
Wall
OUTSIDE
Wall
Tilt
Cut if necessary
More than 15mm

3. Outdoor unit Installation

Install the outdoor unit on the concrete or any
solid base securely and horizontally by securing
it with bolts (Ø12mm) and nuts.
If there is any vibration transmitted to the build-
ing, 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 pip-
ing length. (The rated amount of refrigerant is indi-
cated 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