Kpi Units Installation - Hitachi KPI-252E4E Installations- Und Betriebshandbuch

KPI UNITS INSTALLATION

3 KPI UNITS INSTALLATION
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D A N G E R
• Check to ensure that the accessories are packed with the KPI unit.
• Do not install KPI units outdoors. If installed outdoors, an electric haz-
ard or electric leakage will occur.
• Consider the air distribution from each unit to the space of the room,
and select a suitable location so that uniform air temperature in the
room can be obtained. It is recommended that the units be installed
2.3 to 3 meters from the floor level. If the unit is installed higher than 3
meters, it is also recommended that a fan be utilised to obtain uniform
air temperature in the room.
• Avoid obstacles which may hamper the air intake or the air discharge
flow.
• Pay attention to the following points when the KPI units are installed
in a hospital or other places where there are electronic waves from
medical equipment, etc.
• Do not install the KPI units where electromagnetic wave is directly
radiated to the electrical box, remote control cable or remote control
switch.
• Install the KPI units and components as far as practical or at least 3
meters from the electromagnetic wave radiator.
• 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 con-
nect the ground wire with the box and tube.
• Install a noise filter when the power supply emits harmful noises.
• Mount suspension bolts using M10 (W3/8) as size, as shown below:
For concrete slab
150~160mm
I-Beam
Steel Anchor bolt
Suspension bolts
(W3/8 or M10)
• Do not put any foreign material into the KPI unit and check to ensure
that none exist in the KPI unit before the installation and test running.
Otherwise a fire or failure, etc., may occur.
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C A U T I O N
• In case of installing a KPI-(252-2002)(E/X)4E, when it is considered
that the unit can work with outdoor temperatures below -5ºC, the in-
stallation of an electric heater (field supplied) before OA section is
necessary in order to protect the heat exchanger element.
• Make sure that the installation of this electric heater complies with
national and regional codes and regulations.
• For further information about the installation and control of this electric
heater, please refer to Indoor Units & Complementary Systems Tech-
nical Catalogue / Service Manual.
4 PMML0371A rev.1 - 08/2016
Wooden bar
(60mm to
Nuts
90mm square
Square
washers
Wooden
Sling bolt
beam
(W3/8 or M10)
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C A U T I O N
• Do not install KPI units in a flammable environment to avoid a fire or
an explosion.
• Check to ensure that the ceiling slab is strong enough. If not strong
enough, the KPI unit may fall down on you.
• Do not install the KPI units, outdoor unit, remote control switch and
cable within approximately 3 meters of strong electromagnetic wave
radiators such as medical equipment.
• Do not install the KPI units in a machinery shop or kitchen where
vapor from oil or mist flows to the KPI units. The oil will deposit on
the heat exchanger, thereby reducing the KPI unit performance, and
may deform. In the worst case, the oil damages the plastic parts of
the KPI unit.
• To avoid any corrosive action to the heat exchangers, do not install
the KPI units in an acid or alkaline environment.
• When lifting or moving the KPI unit, use appropriate slings to avoid
damage and be careful not to damage the insulation material on units
surface.
Before installation;
The units from 500 m3/h are packaged upwards.
Be careful with the fan units when it spins the unit. The
procedure has to be done by two people.
Step 1
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N O T E
Make sure to use the opposite side to the E-Box to lean on the unit.
Step 2
Step 3