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Transportation and handling
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n o t e
•
In case a false ceiling is 264mm and more, install the unit according to (1) Fixing with suspension bolt.
•
Ceiling should be strong enough to avoid vibration and noise.
•
Perform piping and wiring connection work inside of the false ceiling after suspending the unit.
•
Select a installation location and piping direction.
•
Especially as for the existing ceiling, perform piping and wiring work to the connecting positions for the pipe and wirings before suspending the unit.
•
Keep a service space and install a service access door in order to remove the service cover.
•
When refrigerant piping connection work at field site, pay attention to the connecting direction of the expansion valve kit according to the arrow of
the label as shown in the figure T.
2.5.3 Suspension bolt setting
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For steel beam
Antiskid clamp
C-shaped
(bend it)
clamp
Nut
Suspension
bolt
Support angle
•
For concrete slab
1 Hole-in anchor
Use a holesaw to
Unit body
make a hole
Inserting
2 Resin capsule. Use the resin capsule within a warranty period. It
effects for 6 months from the manufacturing date.
Glass
Stiffening
agent
Stone
Epoxy resin
Resin capsule
After inserting, do not rotate or put any force until resin is hardened.
Required time is as shown in the right table.
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n o t e
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Use a suspension bolt (W3/8, Metric screw thread: M10).
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Prepare suitable washer and nut.
5
PMML0268A rev.4 - 02/2020 - P5416576
Suspension bolt
I beam
Suspension bolt
Suspension bolt
(W3/8 or M10)
(W3/8 or M10)
Break a head portion
of anchor by using a
hummer
Fixing
Fixing bolt
Inserting
Use a holesaw to
(with impulse rotation)
make a hole
•
For wooden beam suspension
Wooden bar
(60 to 90mm square)
Wooden beam
•
For reinforcing steel
150 to 160 mm
Steel
Suspension bolt
(W3/8 or M10)
Use a suspension bolt with 30 to 45º sloping edge.
ambient temperature (ºc)
20
15
10
5
0
Square
Nut
washer
Nut
Square washer
Suspension bolt
(W3/8 or M10)
Insert
(100 to 150 kg)
Concrete
time
Min. 30 min.
Min. 1 hr.
Min. 2 hr.
Min. 4 hr.
Min. 8 hr.
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