mcr WIP PRO
multi-blade fire damper
„
MERCOR” S.A. –
All rights reserved to modifications without prior notice
7/25
The mcr WIP PRO shut-off fire dampers may also be installed in partitions with a lower class of fire resistance.
In such case the damper fire resistance is equal to the partition fire resistance, if the smoke tightness factor is met.
When installing the fire damper in a wall, the thickness of which is narrower than required minimum, increase the
thickness at the installation location i.e.: by adding an extra board or other suitable construction material on the
damper perimeter.
6.1. PRE-ASSEMBLY INSPECTION
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Each fire damper is inspected by the manufacturer before packing and shipping. After unpacking the delivered
damper, visually examine it for any damage or casing deformations, which could have occurred during transport.
6.2. INSTALLATION OPENING
______________________________________________________
The minimum dimensions of the installation opening, which allow
correct installation of the mcr WIP PRO damper are:
Bo=(B+240)+40[mm] Ho=(H+60)+40[mm]
Dimension “Z” (distance from the fire damper top edge and the trigger control gear guard box)
- depends on the dimension H and the applied trigger control gear type:
Gear type
Even number of blades
Odd number of blades
Belimo BF, BLF, BFL, BFN, BE, BLE
Z [mm]= (H/2-123)+30
Z [mm]= (H/2-61.5)+30
RST/KW1/S, RST/KW1/24P
Z [mm]= 0
Z [mm]= 0
6.3. EMBEDDING / SETTING THE DAMPER
___________________________________________
The mcr WIP PRO fire damper will work properly if the damper blade rotation axis is horizontal. The control-release
gear may be placed on the right or on the left side of the damper for any direction of air flow.
Before mounting/fixing, place the damper axially in the partition (the wall or ceiling which are separating the fire
zones) in earlier prepared/finished mounting opening. Level the device and immobilize it. Install struts for fire dampers
with sizes above 700x700 mm. Next, manually run the damper blade to verify that the rotation is correct (i.e. there is
no collision with the damper casing parts, etc.). Close the fire damper blade. The blades of fire damper must remain
closed until the mortar has cured. Having completed the installation and with the mortar fully cured (if mortar was
used), remove the masking covers and the struts, after that open and close the fire damper blades again to verify the
correct performance.
In case of installing damper in solid wall – filling the installing gaps with mortar should start from the lowest part of
damper, later proceed upward in a way, that will avoid mechanical stress on the trigger control gear guard box with
the Y shield.
Bo=(B+240)+40[mm]
H
o=(H+
60
)+
4
0[
mm
]
Mortar
Trigger control gear guard box (Y)
Z
