Mcr WIP type multi-blade fire dampers
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MERCOR SA –
the Company reserves the right to make modifications and changes.
NOTICE
As at the date of issue of this Operation and Maintenance Manual, previous revisions become
invalid. The Operation and Maintenance Manual does not apply to fire dampers manufactured
before the date of its issue.
1.INTRODUCTION
The aim of this Operation and Maintenance Manual is to make the user familiar with the intended use, design,
operating principle, correct installation and operation of the product.
The OMM also contains additional information on the conditions of use, maintenance and warranty of the product.
2.THE SUBJECT OF THE MANUAL
This OMM applies to a whole group of mcr WIP type multi-blade fire dampers. Complying with the
recommendations included in the OMM will ensure proper functioning of the fire damper in its purpose of being a
fire protection system used in interior spaces as well as the safety of its users.
3.INTENDED USE OF THE FIRE DAMPER
Use
The mcr WIP type multi-blade (multi-plane) fire dampers may be used as:
the mcr WIP/S type fire dampers
the mcr WIP/V type fire dampers for fire ventilation systems
the mcr WIP/M type fire dampers for mixed-mode fire ventilation systems
the mcr WIP/T type transfer dampers
the WIP/G type pressure relief dampers
Fire dampers are not designed to work in ventilation systems where there is a risk of them coming into contact with
dust-laden air unless they have been covered by a special, tailor-made service and technical inspections
programme.
Fire resistance
The fire resistance ratings of the mcr WIP type fire dampers are as follows:
EI60S
/S
/V
/M
/T
/G
EI120S
/S
/V
/M
/T
/G
EI60
/S
/V
/M
/T
/G
EI120
/S
/V
/M
/T
/G
E60S
/S
/V
/M
/T
/G
E120S
/S
/V
/M
/T
/G
E60
/S
/V
/M
/T
/G
E120
/S
/V
/M
/T
/G
The fire ratings depend on the application as well as the manner and place of fire damper installation.
Manufacturing versions
The mcr WIP type fire dampers may be manufactured as:
rectangular fire dampers
rectangular fire dampers with circular connections
round fire dampers
Series of types of dimensions
The mcr WIP type fire dampers are manufactured in the following dimensions:
width: from 120 to 1,000 mm
height: from 160 to 1,000 mm
rectangular fire dampers’ width: 130 mm width of fire
dampers with circular connections: 210 mm
Apart from the standard dimensions, there is a possibility to manufacture fire dampers with any dimensions within
the above ranges. The maximum surface area of the mcr WIP type fire damper is 1 m
2
. The minimum surface area
of a fire damper is 0.019 m
2
.
