- Apply a joint-canvas between the unit and duct to absorb unnecessary vibration.
- Apply a filter (local supply) at air return hole.
Install the unit leaning to a drainage hole side as a figure for easy water drainage.
27.5. INDOOR UNIT DRAIN PIPING
- The unit has two drainage holes at both side.
The drainage hole without connection needs seal and thermal insulation with accessories.
Always lay the drain with downward
inclination (1/50 to 1/100).
Prevent any upward flow or reverse flow in
any part.
- 5mm or thicker formed thermal insulator shall always be provided for the drain pipe.
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