56
2. Location Relationship Among Ceiling Hole, Unit and Hoisting Studs
Model H
AB072~182MRERA 236
AB242~282MRERA 257
AB302~382MRERA 299
AB482~602MRERA 341
765 (spacing of hanging screw)
765 (spacing of hanging screw)
890 (ceiling opening)
950 (trim panel)
850 (indoor unit)
850 (indoor unit)
890 (ceiling opening)
950 (trim panel)
130
H
Hanger bracket
Ceiling
Trim panel
Distance between indoor unit
and ceiling ≤ 20
Distance between indoor
unit and ceiling ≤ 20
Overlap between ceiling and
trim panel ≥ 30
Overlap between ceiling
and trim panel ≥ 30
Note:
Before suspending the indoor unit, select the installation location according to the piping and wiring in the ceiling,
and determine the lead direction of the piping. Prepare all pipes (refrigerator and drainage) and wiring (connection
line for remote control and connection line of indoor units and outdoor units) connected to indoor units before
suspending the indoor unit so as to make the connections right after the installation.
■ In the situation with the ceiling, before suspending the unit, set refrigerant pipe, drainpipe, connection line in the
room, lead wire of line control to the locations of piping and wiring.
■ Conrm the size of the indoor unit and x it according to the requirements in the manual.
(1) Cut and withdraw the foundation of ceiling according to the size of indoor unit.
(2) After cutting an appropriate hole, reinforce the cutting area on the foundation of indoor unit, and append the
rim to the ceiling to secure its foundation. In order to prevent the ceiling from vibrating, it is vital to reinforce the
ceiling foundation and ensure the original levelness of the ceiling.
3. Ceiling Hole & Reinforcement
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