Unit Installation - Hitachi RCI-1.0FSN4 Service Manual

2 Unit installation

RCD - 2-way cassette
2.3.2 Unit installation
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Initial checks
Check that there is enough space between the false ceiling and the
ceiling of the room to house the unit. Its height must be less than
the measured distance. Consult the corresponding chapter of the
Technical Catalogue for information on the unit measurements.
Before starting installation, plan the direction of the pipes and wiring required. Also bear in mind that there must be
enough space around the unit for installation and maintenance.
Install a service hatch near the pipe connection area and electrical junction box for installation and maintenance work.
Single unit installation
>100
2
Nº Item
1 Piping connections
2 Wall
3 Service access panel
Check that the ceiling surface where the air panel is to be installed is completely horizontal.
Check that the drain hose can be installed maintaining the necessary down-slope.
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Installation
Determine the final location and installation direction of the indoor unit paying attention to the space for the piping, wiring
and maintenance.
Cut the area of the unit in the false ceiling and reinforce the opening made.
Install the M10 (3/8") suspension bolts depending on the type of surface:
A
Model
(Opening)
RCD-0.8
RCD-1.0
RCD-1.5
1060
RCD-2.0
RCD-2.5
RCD-3.0
RCD-4.0
RCD-5.0
1620
RCD-6.0
36 SMGB0099 rev.0 - 12/2016
Multiple unit installation
3
>500
1
B
(Suspension)
20
910
1470
Indoor unit
3
1
3
1
2
Dimension of opening (A)
Dimension of suspension bolts (B)
Gas
76
piping
Liquid
83
piping
Drain
65
piping
4- positions of suspension bolts
M10 or W 3/8 (Field supplied)
(mm)
Air panel (option)
Minimum Height
>1000 mm
20 (mm)
Wiring connection side
Piping connection side
Drain piping
connection side
Air panel
Hole 4-12 x 32 (for suspension)