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6. INSTALLATION
NOTE:
Barkell does not supply the accessories
portrayed above as standard
NOTE:
Barkell does not supply the accessories
portrayed above as standard. These accessories
must be ordered and are supplied loose for
installation and wiring by others.
6.2-2 Protection of the unit
openings
(Not a part of the delivery)
6.3 CONNECTION OF THE
If an opening of the unit is not connected to the
ductwork, an metallic mesh in accordance with the
Machinery Directive Requirements or similar pro
-
tection must be used to avoid the contact of water
and moving solid particles with the fan, heating
coils etc.
MECHANICAL ACCESSORIES
6.3-1 Shut-off dampers
These rectangular shut-off dampers are used for
shutting off
the ductwork connected to the ven
-
tilation unit.
● 2 rectangular shut off dampers (according to the unit
model)
● 2 actuators (with one or two wires 230 V)
● 8 M8 screws and nuts
● 16 washers
● corresponding nut wrench
● a flathead and cross-point screwdriver, sealing tape
and sealant
YOU WILL NEED
Attach the damper to the ductwork at a distance of
around 2 m ahead of the fresh air inlet opening and to
the outlet ductwork at a distance of around 2 m from
the outlet opening. Install the actuators on the damper
shafts and to the corresponding connectors in the con-
trol housing. See chapter
Connection of the electri-
cal wiring and the electrical equipment
.
Adjust the damper in such a way that it is fully closed
when the unit is turned off and fully opened when the
unit is in operation. Other arrangements may damage
the unit.
Technical details of the MLKR Shut-Off damper
ATTENTION!
If the unit openings are un-ducted during op-
eration there is a potential risk of injury due
to rotating parts and heat surfaces inside the
unit.
•
The flanged damper frame is manufactured ofgal
-
vanized steel.
•
The blades are made of aluminum.
Unit type
Rectangular damper
A
B
HRFL2-040
MLKR/S-250150
250
150
HRFL2-070
MLKR/S-300200
300
205
HRFL2-150
MLKR/S-500250
500
255
HRFL2-200
MLKR/S-600300
600
305
10mm
