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Compact 4-Way Cassette Indoor Unit
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.
(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.
(7) Remove the paper pattern.
Fig 4.1.2
Fig 4.1.4
9
Fig 4.1.3
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