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7
(2) Use suspension bolts for installation. Check if the location for the installation is strong enough to support
the weight of the unit, reinforce it if necessary, and install using suspension bolts.
4. PREPARATIONS BEFORE INSTALLATION
(1) Check the positional relationship between the ceiling opening hole and the hanging bolt of the unit.
•
For the maintenance, inspection, and other servicing purposes of the control box, prepare one of the
following service spaces.
1. Inspection hatch 1 (450 × 450) for the control box and a minimum space of 300 mm for the lower part
of the product.
(Refer to Fig. 3)
2. Inspection hatch 1 (450 × 450) for the control box and inspection hatch 2 for the lower part of the
product (see axial direction view A-1).
(Refer to Fig. 4)
3. Inspection hatch 3 for the lower part of the product and the lower part of the control box (see axial
direction view A-2).
(Refer to Fig. 4)
(length: mm)
Ceiling
Floor surface
* The H1 dimension indicates the height of the
product.
* Determine the H2 dimension by maintaining
a downward slope of at least 1/100 as
specified in “7. DRAIN PIPING WORK”.
Min
. 20
Min
. 300
Min
. 450
Min
. 2500
Min. 700 (service space)
(If no ceiling board is pr
ovided.)
*H1=300
*H2=Min
. 620
[Required installation place]
Fig. 2
The dimensions indicate the
minimum required space of
installation.
700
631
(Hanging bolt pitch)
Inspection hatch 1
(450×450)
Inspection hatch
Control box
Control box
Ceiling
B
C
(Hanging bolt pitch)
Bottom of unit
Air inlet
Air outlet
Hanging bolt (× 4)
*H3=Min
. 300
Fig. 3
Case 1
01_EN_3PN06583-10W.fm Page 6 Thursday, March 24, 2011 9:03 AM
Summary of Contents for FBQ20DAVMK
Page 30: ...MEMO...
Page 31: ...FBQ20DAVMK FBQ24DAVMK FBQ36DAVMK FBQ45DAVMK FBQ48DAVMK...
Page 32: ...2 1 1...
Page 33: ...3 1 1 2 2 3 3 4 4 R410A SUNISO R410A R410A 33 3 3 R407C 40 4 0 R410A R410A...
Page 35: ...5 2 2 BRC1C61 BRC4C62 13 1 1...
Page 36: ...6 3 2 1 3 80 10 1 2 1 1...
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Page 40: ...10 6 C 120 RH 80 C 30 20 R410A R410A 1 6 1 4 3 7 1 6 7...
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