Unit Installation; Service Space; Mounting The Suspension Bolts - Hitachi KPI-252E4E Installations- Und Betriebshandbuch

KPI UNITS INSTALLATION

3.1 UNIT INSTALLATION

3.1.1 Initial check
Check to ensure that the following accessories are packed with
the unit.
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N O T E
If any of these accessories are not packed with the unit, please contact
your contractor.
3.1.2 Installation
Install the KPI unit with a proper clearance around it paying
careful attention of installation direction for the piping, wiring and
maintenance working space, as shown below.

Service space

• Install the unit with a proper clearance around it for operation
and maintenance working space, as shown in below figure.
• Consider the air distribution from the unit to the space of
the room, and select a suitable location so that uniform air
temperature in the room can be obtained.
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KPI-(252-2002)E4E

KPI-(502-1002)X4E
• Avoid obstacles which may hamper the air intake or the air
discharge flow.
• Select a position for introducing the outside air where no
exhaust or combustion gases will be sucked into the unit and
where it will not be covered by snow.
5 PMML0371A rev.1 - 08/2016
Duct adapter
Screw
Washer
Nut
Vibration Abs.Rubber
Rubber duct joint

Mounting the suspension bolts

1 Preparing the sling Bolts.
2 Hanging the Unit.
(mm)
!
When suspending the main unit from the ceiling, do not handle it in such
a way that force will be applied to the control box.
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In case that sling bolts are too short, re-attach the suspension bracket in
an alternative position.
(mm)
3 Remove the screws at the top mounting position.
4 Remove the suspension bracket and attach them at higher
5 Tighten up the screws in the screw hole where the
Accesory Appearance
Rubber isolator
- Hang the suspension bracket on the anchor bolts and
adjust in such a way that the unit is installed horizontally.
- Tighten up securely using double nuts in order to prevent
looseness.
C A U T I O N
N O T E
mounting position.
suspension brackets were removed in order to prevent air
leaks.
KPI unit
Nut
Washer
Rubber isolator
Quantity
4
24
8
12
4
4
Anchor bolt (M10 or M12)
Nut
Washer
Nut
Anchor bolt