7. INSTALLATION INSTRUCTIONS
7-1. Installation Site Selection
7-1-1. Indoor Unit
Indoor unit
WARNING
AVOID:
●direct sunlight.
To prevent abnormal heat generation and the possibility of fire, do not place obsta- cles, enclosures and grilles in front of or surrounding the air conditioner in a way that may block air flow.
Drain hose
Outside drainage
Fig. 1
●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 cor- |
2" (5 cm) min. *6" (15 cm) min.
*KHS1852 only
2" (5 cm) min. |
|
*6" (15 cm) min. | 2" (5 cm) min. |
| *6" (15 cm) min. |
Front View
Fig. 2
ner 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 |
unrestricted air flow around the unit. (Fig. 2) |
● install the unit within the maximum elevation differ- |
INDOOR | Tubing length (L) | |
UNIT |
| |
Elevation | OUTDOOR | |
difference (H) | ||
UNIT | ||
|
Fig. 3a
ence (H) above the outdoor unit and within a total |
tubing length (L) from the outdoor unit as detailed in |
Table 1 and Fig. 3a. |
Table 1
CAUTION
For stable operation of the air conditioner, do not install
Fig. 3b
Indoor unit
Wall
Minimum height from floor level 5 ft. (1.5 m)
Floor level
Max. Allowable Tubing | Limit of Tubing | Limit of Elevation | Required Amount of |
|
Length at Shipment | Length (L) | Difference (H) | Additional Refrigerant | Model |
(ft.) | (ft.) | (ft.) | (oz./ft.)* |
|
25 | 50 | 23 | a) 0.16 | 9,000 BTU |
|
|
|
|
|
25 | 65 | 23 | b) 0.27 | 12,000/18,000 BTU |
|
|
|
|
|
*If total tubing length becomes a) 25 to 50 ft. (max.), b) 25 to 65 ft. (max.) charge additional refrigerant (R22) by a) 0.16 oz./ft., b) 0.27 oz./ft. No additional compressor oil is necessary.
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