Initial Check - Hitachi RPI-3.0FSN2SQ Installation & Maintenance Manual

4.2

Initial Check

Install the indoor unit with a proper clearance
around it for operation and maintenance working
space, as shown in Fig. 4.1.
< RPI-3.0FSN2SQ - RPI-6.0FSN2SQ >
5 and 6HP 1000
3 and 4HP 879
Electrical
Control Box
Min. 600 5 and 6HP 1300
3 and 4HP 1076
View from Top
< RPI-7.0FSN2SQ >
1,288
Air Inlet
830
Air Outlet
100
Separate Pipeline
(Field-supplied)
(75)
Min. 600 1,430
View from Top
Fig. 4.1 Operation and Installation Space
Consider the air distribution from the indoor unit
to the space of the room, and select a suitable
location so that uniform air temperature in the
room can be obtained.
space for the indoor unit.
Avoid obstacles which may hamper the air intake
Do not install the indoor unit in a machine shop
to the indoor unit.
The oil will deposit on the heat exchanger,
thereby reducing the indoor unit performance,
and may deform and in the worst case, break
the plastic parts of the indoor unit.
P5414985
TC-12001
Service Access Door
(Min. 450x450)
In case that
the ceiling
board can not
be detected
for servicing,
prepare a
service access
door below the
indoor unit for
removing the
indoor unit.
(75)
Min. 600
Service Access Door
In case that
(Min. 450x450)
the ceiling
board can not
be detected
for servicing,
prepare a
service access
door below the
indoor unit for
removing the
Electrical
indoor unit.
Control Box
Service
Space
100
Min. 600
Pay attention to the following points when the
indoor unit is installed in a hospital or other
facilities where there are electronic waves from
medical equipment.
(A) Do not install the indoor unit where the
electromagnetic wave is directly radiated to
the electrical box, remote control cable or
remote control switch.
(B) Install the indoor unit and components as
far as practical or at least 3 meters from the
electromagnetic wave radiator.
(C) Prepare a steel box and install the remote
control switch in it. Prepare a steel conduit
tube and wire the remote control cable in it.
Then, connect the ground wire with the box
and the tube.
(D)
emits harmful noises.
To avoid any corrosive action to the heat
exchangers, do not install the indoor unit in an
acid or alkaline environment.
Check to ensure that the number of below
3
is within 0.3kg/m . Otherwise it may cause
danger situation if the refrigerant in the
Outdoor Unit leaks into the room where this
Indoor Unit is installed.
(Total Refrigerant Quantity per one Outdoor Unit)
Volume of the room where this
(
Indoor Unit is installed.
In detail, refer to the Installation Manual for
outdoor unit.
IN-THE-CEILING (DUCT)
3
0.3kg/m
)
9
2-15