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Installation Dimension; Installing The Unit - Fujitsu AUXG-KRLB Series Installation Manual

Cassette type
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3. 2. Installation dimension

• The ceiling rear height as shown in the fi gure.
Strong and durable ceiling
• This product can be installed at a height of up to 4.2 m. However, if the heights of the
ceiling is higher than 3.2 m or lower than 2.7 m, it is necessary to set the position from
remote controller. (Refer to "7. FUNCTION SETTING")
Discharge direction setting
• The discharge direction can be selected as shown below.
100 or more*
(4 directions)
• For a 3-way outlet, make sure to perform the function setting on the remote control.
Also, make sure to use the optional shutter plate to block the outlet.
• The ceiling height cannot be set in the 3-way outlet mode. Therefore, do not change the
setting in the setting the ceiling height. (Refer to "7. FUNCTION SETTING")
• When the outlet is shut, be sure to install the optional Air outlet shutter plate kit. For the
details of installation, please refer to installation manual of the kit.

3. 3. Installing the unit

• Carrying and installation of the unit should be performed by a suffi cient number
of people and with suffi cient equipment that is adequate for the weight of the unit.
Performing such work with an insuffi cient number of people or with inadequate
equipment could result in dropping of the unit or personal injury.
• If the job is done with the panel frame only, there is a risk that the unit will come
loose. Please take care.
• When fastening the hangers, make the bolt positions uniform.
3.3.1. Position the ceiling hole and hanging bolts
(1) Positions of the ceiling opening, hanging bolt pitch, piping and ducts.
• Ceiling opening and hanging bolt pitch.
950(Panel frame)
860 - 910(Ceiling opening)
20 - 45
840(Body frame)
796(Hanging bolt pitch)
50
130
200
En-6
1.5 or
3 or more
more
Obstruction
Floor
* Please ensure suffi -
cient service access
during installation.
(3 directions)
WARNING
20 - 45
Dimension (mm)
Model
A
18/22/24
246
30/36/45/54
288
• Refrigerant piping and drain piping positions.
Unit: m
Drain pipe
(Connect the
attached drain
hose)
• Distribution ducts and fresh air inlet positions.
Distribution duct connecting port
Fresh air inlet
position
Unit : mm
Drain pipe
Distribution duct connecting port
NOTES:
Conduct proper insulation when connecting the distribution ducts and fresh air inlet.
NOTES:
When introducing fresh air into the indoor unit, please remove the insulation affi xed to the
drain pan.
(2) Setting the positions of hanging bolt and ceiling opening.
Unit: mm
• Use an installation template (packaging top surface) to set the positions of the hanging
bolt and ceiling opening and drill holes.
(3) Hanging structure.
• Select a strong structure for the hanging location.
• If necessary, reinforce the hanging bolt with quake proof columnar support material to
prevent shaking.
• Use hanging bolts of M8-M10.
3.3.2. Body installation
(1) Install the attached washer and nut (prepared on site) onto the hanging bolt.
(2) Hook the body onto the hanging bolt.
(3) Adjust the dimensions of the ceiling surface from the body. After installing the Cassette
grille, you can make fi ne adjustment of the height of the body. For details, refer to the
installation manual of the Cassette grille.
B
256
298
• Perform fi nal tightening by tightening the double nut fi rmly.
• Be sure to install the body horizontally and adjust the height below the body and the
ceiling surface properly.
Liquid pipe
293
342
100
83
352
Detailed diagram of distribution duct
connecting port (4 sides)
114
bolt pitch
Refrigerant pipe
Fresh air inlet position
Insulation
Fresh air inlet position
WARNING
Unit: mm
Gas pipe
45
Unit: mm
100
83
Cut out
10 × 3.2 hole
237
95
Cut out
4 × 3.2 hole

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