Multi Variable Air Conditioners Compact Cassette Type Indoor Unit
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IMPORTANT!
The drilling work and installation of unit must be carried out by qualified personnel.
4.1.2 Suspend the Indoor Unit
(1) Drill bolt holes and install bolts
1) Stick the paper pattern on the installation position; drill 4 holes according to the whole
site on the cardboard as shown in Fig.4.1.2; diameter of drilling hole is according to the
diameter of expansion bolt and the depth is 60-70mm, as shown in Fig.4.1.3.
Unit:mm
Fig.4.1.2 Fig.4.1.3
2) Insert the M10 expansion bolt into the hole and then knock the nail into the bolt, as shown
in Fig.4.1.4.
NOTE!
The length of bolt depends on the installation height of the unit, bolts are field supplied.
Fig.4.1.4
(2) Install the indoor unit temporarily
Assemble suspension bolt on the expansion bolt, attach the hanger bracket to the suspension
bolt. Be sure to fix it securely by using a nut and washer from upper and lower sides of the hanger
bracket. The washer fixing plate will prevent the washer from falling.
(3) The usage of paper pattern
Refer to paper pattern of installation for ceiling opening dimension. The center of ceiling opening
is indicated on the paper pattern. Fix the paper pattern to the unit with 4 screws and fix the corners of
the waterspout at the drainage pipe by screws.
(4) Adjust the unit to the right position.
(5) Check the level of the unit. The indoor unit is equipped with build-in water pump and float
switch, verify the levelness of 4 directions by level gauge or vinyl tube (filled with water)
respectively.
(6) Remove the washer locating plate and then tighten the nut on it.
