3. PREPARATION FOR THE INSTALLATION
(1) Position of ceiling opening between unit and suspending bolt.
3
18
HBU-42CF03 HBU-42HF03
HBU-28CF03 HBU-28HF03
(2) Cut an opening in ceiling for installation if necessary. (when ceiling already exists.)
(3) Install a suspending bolt.
(Use a M10 bolt)
To support the unit weight, anchor bolt shall be used in the case of already exists ceiling. For new
ceiling, use built-in type bolt or parts prepared in the field.
Before going on installing adjust space between ceiling.
<Installation example>
Note: All the above mentioned parts shall be prepared in field.
Ceiling
50~100
Roof
Anchor bolt
Long nut
Suspending bolt
Refer to paper pattern for dimension of ceiling hole.
Connect all pipings (refrigerant, water drainage), wirings (inter unit cable) to indoor unit, before installation.
Cut a hole in ceiling, may be a frame should be used to ensure a smooth surface and to prevent vibration.
Contact your real estate dealer
950(Ornament panel)
890(Ceiling opening)
840(Indoor unit)
680
(Distance between suspending bolts)
(Distance between suspending bolts)
950(Ornament panel)
890(Ceiling opening)
840(Indoor unit)
Suspending bolts
Refrigerant pipe
*
*
680
780
(Distance between suspending bolts)
620
(Distance between suspending bolts)
860-890
860-890
*
Ceiling opening)
(Ceiling opening)
Note:
Dimension of ceiling opening marked with * can be as
large as 910mm, but the matching part of ceiling with
ornament panel shall be over 20mm.
20 Over
(160)
Suspending bracket
Ceiling
A
A
Installation Procedure
Summary of Contents for HBU-28CF03
Page 26: ......
