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7. INSTALLATION INSTRUCTIONS
7-1. Installation Site Selection
Indoor Unit
WARNING
AVOID:
direct sunlight.
nearby heat sources that may affect performance of
the unit.
areas where leakage of flammable gas may be
expected.
places where large amounts of oil mist exist.
DO:
select an appropriate position from which every
corner of the room can be uniformly air-conditioned.
(High on a wall is best)
select a location that will hold the weight of the unit.
select a location where tubing and drain pipe have the
shortest run to the outside.
allow room for operation and maintenance as well as
unrestricted air flow around the unit. (Fig. 1)
install the unit within the maximum elevation
difference (H) above or below the outdoor unit and
within a total tubing length (L) from the outdoor unit as
detailed Table 1 and Fig. 2a.
Table 1
Model
C302
* If total tubing length becomes 7.5 to 30 m (max.), charge additional refrigerant (R22) by 60 g / m.
No additional charge of compressor oil is necessary.
To prevent abnormal heat
generation and the possibility
of fire, don't place obstacles,
enclosures and grills in front
of or surrounding the air
conditioner in a way that may
block air flow.
Max. Allowable
Tubing Length at
Shipment (m)
7.5
15 cm
min.
Elevation
difference (H)
CAUTION
For stable operation of the
air conditioner, do not
install wall-mounted type
indoor units less than
1.5m from floor level.
Limit of Tubing
Limit of Elevation
Length (L)
(m)
30
16
15 cm min.
INDOOR UNIT
Front View
Fig.1
Tubing length (L)
INDOOR
UNIT
OUTDOOR
UNIT
Fig. 2a
Fig. 2
Indoor Unit
Minimum height
from floor level
1.5m
Floor level
Fig. 2b
Required Amount of
Difference (H)
Additional Refrigerant
(m)
15
15 cm
min.
Wall
(g / m)*
60
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