Power source
Before inserting power plug into receptacle, check the voltage without fail. The power source is the same as the corresponded name plate.
Install an exclusive branch circuit of the power.
A receptacle shall be set up in a distance where the power cable can be reached. Do not extend the cable by cutting it.
Matching of the indoor and outdoor units
AU182XFERA
Combination | A | B |
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| 07 | 12 |
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09 | 12 |
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| 12 | 12 |
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| 07 | 07 | 07 |
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07 | 09 | 09 |
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| 07 | 09 | 12 | * |
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| 09 | 09 | 09 | * |
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| 09 | 09 | 12 | * |
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AU222XFERA
Combination | A | B |
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| 07 | 14 |
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1:2 | 09 | 12 |
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09 | 14 |
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| 12 | 12 |
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| 07 | 07 | 09 |
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1:3 | 07 | 09 | 09 |
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07 | 09 | 12 | * |
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WARNING!
Combinations those marked * can not be applied where the temperature in winter is too low and in summer is too higher to avoid bad heating or cooling effect.
Limitations on the installation
1.Precautions on installation
Check the strength and level of the installation ground so that unit will not cause any operating vibration or noise after installation.
In accordance with the foundation drawing in fix the unit securely by means of the foundation bolts.
It is best to screw in the foundation bolts unit their length are 20 mm from the foundation surface. 2.Selecting a location for installation of the indoor units
The maxinum allowable length of refrigerant piping, and the maxmum allowable height difference between the outdoor and indoor units, are listed below.
(The shorter the refrigerant piping, the better the performance. Connect so that the piping is as short as possible. Shortest allowable length per room is 3m)
6
