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1-5. Additional Materials Required for Installation
1.
Refrigeration (armored) tape
2.
Insulated staples or clamps for connecting wire
(See local codes.)
3.
Putty
4.
Refrigeration lubricant
5.
Clamps or saddles to secure refrigerant tubing
2. Installation Site Selection
2-1. Indoor Unit
To prevent abnormal heat genera-
WARNING
tion and the possibility of fire, do
not place obstacles, enclosures
and grilles in front of or surround-
ing the air conditioner in a way
that may block air flow.
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 cooled. (High on a wall is best.)
select a location that will hold the weight of the unit.
●
select a location where tubing and drain hose have the
●
shortest run to the outside. (Fig. 1)
allow room for operation and maintenance as well as unre-
●
stricted air flow around the unit. (Fig. 2)
install the unit within the maximum elevation difference (H)
●
above or below the outdoor unit and within the maximum tub-
ing length (L) from the outdoor unit as detailed in Table 3 and
Fig. 3a.
install the indoor unit more than 3.3' (1 m) away from any
●
antenna or power lines or connecting wires used for television,
radio, telephone, security system, or intercom. Electrical noise
from any of these sources may affect operation.
Table 3
Charge-less Tubing
Model
Length (Actual Length)
(ft.)
KHS3082
10 to 100
KHS3682
* If total tubing length becomes 100 to 165 ft. (Max.), charge additional refrigerant (R410A) by 0.43 oz./ft.
No additional charge of compressor oil is necessary. For more detailed charging information, refer to the Technical & Service Manual.
Maximum Tubing
Maximum Elevation Difference (H)
Length (L)
(ft.)
If the outdoor unit is higher
165
If the outdoor unit is lower
4
Indoor unit
Outside drainage
Fig. 1
2" (5 cm)
min.
Front View
Fig. 2
INDOOR
UNIT
Elevation
difference (H)
Fig. 3a
CAUTION
For stable operation of the
air conditioner, do not
install wall-mounted type
indoor units less than 5'
(1.5 m) from floor level.
Fig. 3b
(ft.)
100
50
Drain hose
3" (7.5 cm)
2" (5 cm)
min.
min.
Tubing length (L)
OUTDOOR
UNIT
Indoor unit
Wall
Minimum height
from floor level
5' (1.5 m)
Floor level
Required Amount
of Additional Refrigerant
(oz./ft.)*
0.43
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