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Idiomas disponibles
Idiomas disponibles
3 Units installation
3.1 UNIT INSTALLATION
Initial check
Install the indoor unit with a proper clearance around it paying
careful attention of installation direction for the piping, wiring and
maintenance working space, as shown below.
3.1.1 Installation
Unit's hanging
Install the sling bolts, 4xM10 or greater are recommended, and
suspend the indoor unit using the following steps:
1 Hook the suspension bracket of the lower unit to the nut and
washer of each sling bolt, as shown, starting from one side.
2 After checking that the nut and washer has been correctly
fixed by the retainers of the suspension bracket, hook the top
side of the suspension bracket (of the lower unit) by using
another nut and washer as shown below.
3 Hook the upper unit brackets for balancing the total weight of
the whole unit by tightening the nuts and washers of its hooks.
Sling Bolt
C A U T I O N
It is mandatory to hold the unit by the 8 hooks for distributing the
unit total weight on its suspending brackets correctly.
4
PMML0323A rev.2 - 06/2014
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(mm)
Keep the unit as well as relevant equipment covered with the
vinyl cover during installation work.
3.1.2 Connecting field supply duct and suction air
Flexible Duct Installation
(Rubber or Textil Material)
Fix the Flexible Air Duct to External Faces of unit flanges (the unit
Suspension
Bracket
is equipped with factory supply flanges for this purpose).
Nut
It is recommended to use a Flexible field supply Duct portion in
order to avoid any abnormal sound vibration.
Washer
RPI-units are supplied with standard Air Filter at the suction side.
This filter is provided for the cases in which no Suction Duct is
applied (or it is very short).
It is recommended the following indications depending on the in-
stallation.
•
•
Drain Pan Level
-
Check to ensure that the foundation is flat, taking into ac-
count the maximum foundation gradient.
Front View
-
The unit should be installed so that the Drain Pan side of
the unit is slightly (approximately 5 mm) lower than the
opposite side, in order to avoid the incorrect position of
the drain discharge.
-
Tighten the nuts of the suspension bolts with the suspen-
sion brackets after adjustment is completed.
-
Special plastic paint must be applied to the bolts and nuts
in order to prevent them from loosening.
-
Fasten the tubing to the drain hose with an adhesive and
the factory-supplied clamp. The drain piping must be per-
formed with a down-slope pitch of 1/25 to 1/100.
N O T E
filter servicing
Field Supply Duct installation
Fig.1
Inlet Air
Outlet Air
Fig.2
Outlet Air
Inlet Air
Insulated Duct (Installed on
the outer side of the flanges)
Keep the standard Air Filter in case of no Suction Duct is ap-
plied (fig.1).
In case of applying Suction Duct, it is recommended to apply
Air Filter at the inlet point of Suction Duct, removing the stand-
ard Air Filter of the unit (fig. 2).
Air Filter (Factory
supplied)
Air Filter
(Factory-supplied or
adapted factory one)
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