Hitachi FSG Series, Technical Catalogue

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UNITS INSTALLATION
1. Initial Check
§
Install the CH unit with a proper clearance around it for
maintenance working space, as shown in below figure:
§
Flowing sound of refrigerant may be heard from the
CH unit when the solenoid valve in the CH unit is
activated. Therefore, take the following action to
minimize the sound.
§
(A) Install the CH unit inside the ceiling. As for the
ceiling material, select a material like a plaster board
which minimizes operation sound.
§
(B) Do not install the CH unit in near a bed room or
hospital room.
§
Do not install the CH unit in a hot or humid place like
kitchen to prevent dew condensation on the outer
surface of the CH unit.
§
Pay attention to the following points when the CH is
installed in a hospital or other facilities where there are
electronic waves from medical equipment.
§
(A) Do not install the CH unit where the
electromagnetic wave is directly radiated to the
electrical box or intermediate wiring (operating line).
§
(B) Install the CH unit and components as far as
practical or at least 3 meters from the electromagnetic
wave radiator.
§
(C) Install a noise filter when the power supply emits
harmful noises.
2. Suspension Bolts
§
Select final location and installation direction of the
indoor unit paying careful attention to the space for the
piping, wiring and maintenance.
§
Mount suspension bolts, as shown below.
- For Concrete Slab
- For Steel Beam
- For Wooden Beam
Suspension
Steel
Anchor Bolt
Concrete
150~160 mm
I-Beam
Suspension Bolts
(W3/8 or M10)
Wooden Bar
(60~90mm Square)
Square Washers
Nuts
Sling Bolt
(W3/8 or M10)
Wooden Beam
Min. 150
600 Access Panel
130
Min. 650
1000 Acce
ss Pan
e
l
Min.
650 Min.
650
Surrounding
in the Ceiling
Service Access
Panel
Min.
650 Min.
650
Min. 150
Unit: mm