9
Installation Procedures
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.
• Confirm the size of the indoor unit and fix 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
2. Location Relationship among Ceiling Hole, Unit and Hoisting Studs
874
(indoor unit)
21
86
33
15
Ceiling
opening center
Four hanging screw center
913
(spacing of hanging screw)
1025
(ceiling opening)
1050
(trim panel)
419
(spacing of hanging
screw)
500
(indoor unit)
525
(ceiling opening)
550
(trim panel)
• To support the weight of the unit, use barb bolts in the situation with the ceiling. In the situation with the new ceiling, use
inlaid bolts, embedded bolts or other parts provided on site. Before proceeding the installation, adjust the gap between
the bolts and the ceiling.
• Use four M10 hoisting studs (provided on site) (when the height of the hoisting stud exceeds 0.9m, M10 studs should be
used.). The gaps should be kept according to the overall drawing of the air conditioner. Make the installation according
to regulations for various building structures as to ensure the safety. Use the level meter to perform the parallel
installation.
4. Hoisting Stud Installation
Summary of Contents for AB052MAERA
Page 23: ......
