3.2 Installation
3.2.1 Suspension bolts
(1) Consider the pipe direction, wiring, and
maintenance carefully, choose the proper
direction and location for installation.
(2) Install the suspension bolts as shown in Fig. 3.2.1
below.
Fig. 3.2.1 Securing the suspension bolts
·
For the concrete
·
For the steel beam
·
For the wooden beam
6 to 6-5/16 in.
(150 to160mm)
Screw in
220 to 330 lb.
(100 to150kg)
Steel bar
Concrete
Suspension bolts
(W3/8 or M10)
“
”
shaped steel beam
Wood rib
2-3/8 to 3-1/2 in.
(
)
60 to 90 mm
Wooden beam
Nut
Round washer
Square washer
Suspension bolts
8
3.2.2 The position of the suspension bolts and the pipes
(1) Mark the location of the suspension bolts, the
refrigerant pipes, and the drain pipes.
(2) The dimension are shown below.
Installation and Maintenance
·
Air inlet and outlet are free of obstructions.
·
The air passage is not blocked.
·
Condensate can drain properly.
·
Overhead structure can support the weight of the
indoor unit.
·
The false ceiling is not seem to be at an incline.
·
Adequate clearance for maintenance and service is
provided.(See Fig.3.1.1 )
·
Piping between the indoor and outdoor units is within
the allowable limits.(refer to the installation of the
outdoor unit )
·
The indoor unit, outdoor unit, power supply wiring
and transmission wiring must be kept at least 3.3ft.(1m)
away from televisions and radios to prevent
electromagnetic interference.
(Noise may be generated depending on the conditions
under which the electric wave is generated, even if a
3.3ft allowance is maintained.)
·
Do not install the indoor unit in a machine shop or
kitchen where vapor from oil or its mist flows to the
indoor unit. The oil will deposit on the heat exchanger,
thereby reducing the performance of the indoor unit,
and in severe cases, damaging the indoor unit.
Use suspension bolts to install the unit. Check whether
·
or not the overhead structure can support the
weight of the unit. If there is a risk that the structure
cannot provide adequate support, reinforce the structure
before installing the unit.
ce the plenum panel and the
For bottom intake, repla
intake-side flange in the procedure listed in below
figures 3.1.2&3.1.3.
(1) Remove the inlet flange, then remove the
chamber lid. Refer to Fig. 3.1.2 for the directions.
(2) Reattach the removed plenum panel in the orientation
shown in Fig. 3.1.3, reattach the removed inlet flange
in the orientation as shown in Fig. 3.1.3.
Suspension bolts
(W3/8 or M10)
Nut
Fig. 3.1.2
Fig. 3.1.3
Inlet flange
plenum panel
Inlet flange
Plenum panel
Filter
(
invalid
for
Filter
(
invalid
for
some
models
)
some
models
)
Fig. 3.3 Suspension bolts
a
b
c
d
Air outlet
Air inlet
[Unit: in. (mm)]
Model
(Cooling capacity)
a
b
c
d
9K/12K
37-13/16
(961)
35-13/16
(910)
14-6/8
(375)
17-5/8
(447)
18K
48-7/16
(1231)
46-7/16
(1180)
14-6/8
(375)
17-5/8
(447)
24K
36-3/4
(934)
35-3/8
(900)
26-5/16
(669)
28-3/8
(720)
36K
52-1/2
(1334)
51-3/16
(1300)
29-3/4
(756)
31-1/2
(800)
Содержание 24K-36K
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