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4.Install the high pressure pipe to the heat exchanger liquid pipe, and the low pressure pipe to the heat exchanger gas pipe respectively using the flare nut, taking care not to cause any leakage of refrigerant.
5.Be sure to insulate the pipe with appropriate insulation material.
6.Insert the extension drain hose to the drain connection port tightly, then fix them with a cable tie or a tape to prevent any water leakage; refer to page 42.
7.After completion of the installation, check the connecting area for any gas leakage.
8.Wind a finish tape when the wiring of the refrigerant pipe, the unit, and the drain piping are completed.
9.Fix the piping and drain hose by using the indoor unit piping holder.
| Outdoor unit |
| checking area |
Indoor unit | Indoor unit |
piping holder | checking area |