47
x
Carry out the pipe and line operation in the ceiling after finishing the installation of the main body. While choosing
where to start the operation, determine the direction of the pipes to be drawn out. Especially in case there is a ceiling,
position the refrigerant pipes, drain pipes, indoor & outdoor lines to the connection places before hanging up the machine.
x
The installation of hanging screw bolts.
IV. 4.2 Wooden construction
Put the square timber transversely over the roof beam, then install the hanging screw bolts. (Refer to Fig. 4-1)
Timber over the beam
Roof beam
Hanging screw bolts
Ceiling
Fig. 4-1
IV. 4.3 New concrete bricks
Inlaying or embedding the screw bolts. (Refer to Fig. 4-2)
(Blade shape insertion)
(Slide insertion)
Fig. 4-2
IV. 4.4 For Original concrete bricks
Use embedding screw bold, crock and stick harness. (Refer to Fig. 4-3)
Steel bar
Embedding screw bolt
(Pipe hanging and embedding
screw bolt)
Fig. 4-3
IV. 4.5 Steel roof beam structure
Install and use directly the supporting angle steel. (Refer to Fig. 4-4)
Hanging screw bolt
Hanging bolts
Supporting
angle steel
Fig. 4-4
IV. 4. 6 Overhanging the indoor unit
(1) Overhang the indoor unit onto the hanging screw bolts with block.
(2) Position the indoor unit in a flat level by using the level indicator, unless it may cause leakage.
Screw nut
Washer
Hanging
screw bolt
Overhang part
Shockproof cushion
Fig. 4-5
The positioning of ceiling hole and indoor unit and hanging screw bolts routine method of installation: the size of
installation for indoor unit following the Fig.4-6-7-8-9 and the Table 4-1
Summary of Contents for NEXYA S4
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