13. INDOOR UNIT INSTALLATION
The indoor unit is factory standard supplied with right hand refrigerant and electrical connections
13.1 PREPARATION STEPS
STEP (1): MAKING WALL HOLE
PRECAUTIONS
Before making a hole, check carefully the following points :
No studs or pipes are directly run behind the spot to be cut.
No electrical wiring or conduits are located.
- Drill a hole of 80 mm to pass the refrigerant lines, drain hose
and electrical cables.
Decide the piping hole position according to the location of
piping direction. Mark the desired drilling point.
When making wall hole, make sure to drill outwards at a
downward angle, so that the height difference between the
entrance and exit of the hole is at least 5-10 mm.
Step (2): Cutting Sleeve For Wall Hole
• Measure the thickness of the wall from the inside edge to
the outside edge and cut PVC pipe at a slight angle 6mm
shorter than the thickness of the wall.
Step (3): Mounting Sleeve Into Wall Hole
• After making hole, a sleeve must be mounted into wall hole
and its width to be equal to wall thickness to pass
refrigerant lines, drain hose and electrical cables through it.
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