10. Installation Instruction
10.1 Select The Best Location
10.1.1Outdoor Unit
If an awning is built over the unit to prevent direct sunlight or rain, be careful that heat radiation from the condenser is not obstructed.
There should not be any animal or plant which could be affected by hot air discharged.
Keep the spaces indicated by arrows from wall, ceiling, fence or other obstacles.
Do not place any obstacles which may cause a short circuit of the discharged air.
Recommended installation height for outdoor unit should be above the seasonal snow level.
Refrigerant piping size
Outdoor Unit |
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Liquid - side | ø1/4” thickness 1/32” | |
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Gas - side | ø3/8” thickness 1/32” | |
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Outdoor Unit |
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Min. total piping length for additional gas | 65.6 ft | |
If total piping length of all indoor units exceeds the minimum length listed above, additionally charge with 0.2 oz of refrigerant (R410A) for each additional meter of piping.
Allowable piping length
Outdoor Unit |
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Allowable piping length of each indoor unit (min. ~ max.) |
| 9.8 ft ~ 82 ft | |
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Allowable total piping length of all indoor unit |
| 164 ft or less | |
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Height difference between indoor and outdoor unit | Outdoor unit located on upper side |
| 49.2 ft or less |
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Outdoor unit located otherwise |
| 24.6 ft or less | |
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Height difference between indoor unit | Outdoor unit located on upper side |
| 24.6 ft or less |
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Outdoor unit located otherwise |
| 49.2 ft or less | |
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