4 English
4. PREPARATIONS BEFORE INSTALLATION
(1)
Relative positions of the unit and suspension bolt.
(Refer to Fig. 2)
(2) Install a canvas duct to the air outlet and air inlet so that
vibration from the unit isn’t transmitted to the duct or ceiling.
You should also apply acoustic (insulation material) to the
inside of the duct, and vibration insulation rubber to the sus-
pension bolts.
(3) Open the installation hole. (Pre-set ceilings)
• Once the installation hole is opened in the ceiling where
the unit is to be installed, pass refrigerant and drain pipe
and the power supply, transmission, and remote control-
ler wire to the unit’s pipe and wire connection ports.
(See the chapter 6, 7, 9 for details.)
• After opening the ceiling hole, it might be necessary to
reinforce the ceiling frame to prevent shaking or to main-
tain the levelness of the ceiling.
Consult an architect or carpenter for details.
(4) Install suspension bolts.
(Use bolts of 10 mm diameter.)
• Install the unit where supporting structures are strong
enough to bear the unit’s weight. Use embedded inserts
or anchor bolts with new buildings and hole-in-anchors
with old buildings. Adjust the distance to the ceiling
beforehand.
5. UNIT INSTALLATION
Installing optional accessories before installing the unit is
easier. See the installation manuals included with the
optional accessories.
As for the parts to be used for installation work, be sure to use
the provided accessories and specified parts designated by our
company.
(1) Temporarily install the unit.
• Mount the hanger brackets to suspension bolts. Secure
the hanger brackets on the top and the bottom with nuts
<1>~<3> (M10, field supplied) and washers (M10, acces-
sory 9)).
(2) Adjust the height of the unit with the nut <2>.
(Refer to Fig. 4)
(3) Make sure the unit is level.
• Use a level or a vinyl tube filled with water to make sure
that the unit is level and that the tilt (downward slope) to
the drain socket and air inlet side is within 1°.
(Refer to Fig. 5)
(4) Tighten both upper and lower nuts <1>, <3>.
(Refer to Fig. 4)
(5) Insulate the four hanger
brackets with the sealing
pad. (accessory 5)) Insu-
late the hanger brackets so
that the surface and edges
of the hanger brackets
cannot be seen.
(Refer to Fig. 6)
CAUTION
Setting the unit at an angle opposite to the drain socket or
air inlet side might cause leaks.
Fig. 2
(length: mm)
1148
1100
Suspension bolt (×4)
Air inletAir outlet
Outdoor-air
processing unit
1100 or more
650 or more
(Service space)
(Service space)
Inspection hatch
600
Unit
FXMQ125MFV1
FXMQ125MFV7
FXMQ200·250MFV1
FXMQ200·250MFV7
744
1380
685
1296
Approx. 150
Anchor
Long nut or turn-buckle
Installation example
Note) All the above parts are field supplied.
Suspension bolt
Ceiling slab
Outdoor-air processing unit
Fig. 3
Nut <1>
(Field supplied)
Nut <2>
(Field supplied)
Nut <3>
(Field supplied)
Washer
(Accessory 9))
Hanger bracket
(attached with main body)
Main body
Fig. 4
Level
Drain socket
Vinyl tube
Hanger bracket
setting bolt
1˚ or less 1˚ or less
Air inlet side
Air inlet side
Drain
socket
Drain
socket
Fig. 5
Fig. 6
Sealing pad 5)
Slit of
sealing
pad
Hanger
bracket
(158 Seiten)
(28 Seiten)
(20 Seiten)
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