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5. INDOOR UNIT INSTALLATION
1. Installation place
• A place where there is enough room for installation and maintenance.(Refer to Chart 1)
• The ceiling is structurally sound to hold the Indoor Unit.
• A place that is well ventilated and the influence of weather is the least.
• A place that the airflow can reach every corners of the room.
• A place where the drain pipe can reach out easily.
Necessary room
MODEL 12-18(600x600)
• Install the outdoor unit on a rigid base to prevent increasing noise level and vibration.
• Determine the air outlet direction where the discharged air is not blocked.
• In the case that the installation place is exposed to strong wind such as a seaside or high position,
secure the normal fan operation by putting the unit length wise along the wall or using a duct or
shield plates.
• Specially in windy area, install the unit to prevent the admission of wind.
2. Indoor unit installation Model 12-18(600x600)
(1) Install the main body
A. The existing ceiling (to be horizontal)
a. Please cut a quadrangular hole of 600X600mm in the ceiling according to the shape of the
installation paper board.
The center of the hole should be at the same position of that of the air conditioner body.
Determine the lengths and outlets of the connecting pipe, drain pipe and cables.
To balance the ceiling and to avoid vibration, please enforce the ceiling when necessary.
b. Please select the position of installation hooks according to the hook holes on the installation board.
Drill four holes of 12mm, 50~55mm deep at the selected positions on the ceiling. Then embed the
expansible hooks (fittings).
Face the concave side of the installation hooks toward the expansible hooks. Determine the length
of the installation hooks from the height of ceiling, then cut off the unnecessary part.
If the ceiling is extremely high, please determine the length of the installation hook according to facts.
Cut the installation hook open in the middle position, then use appropriate length of reinforcing rod
(φ12) to weld together.
Model 18, 24, 30, 36, 48
6
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