7. INSTALLATION INSTRUCTIONS
7-1. Installation Site Selection
7-1-1. Indoor Unit
WARNING
AVOID:
To prevent abnormal heat generation and the possibility of fire, do not place obstacles, enclosures and grilles in front of or surrounding the air con- ditioner in a way that may block air flow.
5 cm | 15 cm min. | 5 cm |
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min. |
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| Front View |
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●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 cor- |
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 |
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| UNIT |
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| Elevation |
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| difference (H) |
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| UNIT |
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Fig. 2
CAUTION
Indoor unit
Wall
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- |
ence (H) above or below the outdoor unit and within |
a total tubing length (L) from the outdoor unit as |
For stable operation of the air conditioner, do not install
Minimum height from floor level
1.5 m
Floor level
detailed in Table 1 and Fig. 3. |
● Install the indoor unit more than 1 meter away from any |
antenna or power lines or connecting wires used for |
television, radio, telephone, security system, or inter- |
com. Electrical noise from any of these sources may |
affect operation. |
Table 1
Fig. 3
| Max. Allowable Tubing | Limit of Tubing | Limit of Elevation | Required Amount of |
Model | Length at Shipment | Length (L) | Difference (H) | Additional Refrigerant |
| (m) | (m) | (m) | * |
| (g/m) | |||
KRV93 / 123 | 7.5 | 15 | 7 | 15 |
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*If total tubing length becomes 7.5 to 15 m (max.), charge additional refrigerant (R410A) by 15 g/m. No additional compressor oil is necessary.
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