Haier HDU-42CF03/H Operating & Installation Manual page 26

Installation Manual For Indoor Unit
3. Preparation before installation
(1) The position relation among hoisting screw (unit: mm)
360
Down side
Up side
(2) If necessary, cut the opening installation and checking needed on the ceiling. (If has ceiling)
Before installation, finish the preparation work of all the pipes (refrigerant, drainage) and wire
(wire controller connection wire, indoor and outdoor unit connection wire) of indoor unit, so that
after installation, they can be immediately connected with outdoor unit.
Cut the opening on the ceiling. Maybe it needs to strengthen the ceiling to keep the ceiling even
and flat and prevent the ceiling from vibration. For details, please consult to the builder.
(3) Hanger bolts installation
Use care of the piping direction when the unit is installed.
(Use M10 screw bolt)
In order to bear the weight of the unit, for existed
ceiling, using foundation screw bolt, for new ceiling,
using burying embedded screw bolt, burying screw
bolt or spot supplied other parts.
Before going on installation, adjust the gaps with ceiling.
250
1270
853
1103
Hole-in anchor
Hole-in plug
25
Insert
Hanging bolt M10
Concrete