Indoor Unit Installation; Outdoor Unit Installation; Refrigerant Amount - LG 20k Installation Manual

Installation of Unit
The Indoor Unit Installation
200mm
70mm
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.
4. Cut the extruded outside part of the plastic
tube, if necessary.

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.

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 piping length. (The rated
amount of refrigerant is indicated on the name
plate.) But when the piping length exceeds 7.5
meters, additional charge is required according
to the following table.
8 Floor Standing type Air Conditioner
Core Drill
70mm
INSIDE
Plastic tube
(Bushing)
MODEL
20k/28k/30k/40k
(BTU/h)
44k/48k/50k/55k/60k
(BTU/h)
80k
(BTU/h)
Example) 28k/30k
In case of 10m long pipe(one-way), the amount
of refrigerant to be replenished is:
(10-7.5) x 30 = 75g
(10-7.5) x 1.06 = 2.65oz
Wall
OUTSIDE
Wall
Tilt
Cut if necessary
More than 15mm
REFRIGERANT CHARGE
30g/m (1.06oz/m)
40g/m (1.41oz/m)
80g/m (2.82oz/m)