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INSTALLATION OF UNIT
8
The Indoor Unit Installation
1
The mounting floor should be strong and
solid enough to prevent it from vibration.
2
Drill the piping hole with 70 mm 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.
200 mm
70 mm
Wall
Core Drill
INSIDE
Wall
Plastic tube
(Bushing)
70 mm
OUTSIDE
Tilt
Cut if necessary
More than 15 mm
Outdoor unit Installation
1
Install the outdoor unit on the concrete or
any solid base securely and horizontally by
securing it with bolts (Ø12 mm) 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 7.5 m 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 ac-
cording to the following table.
MODEL
48 k (Btu/h)
Example)
In case of 10 m long pipe(one-way), the
amount of refrigerant to be replenished is:
(10-7.5) x 25 = 62.5 g
(Unit: g)
REFRIGERANT
CHARGE
25 per 1 m
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