mcr S-THERM smoke exhaust vents: C, E, NG-A. OPERATION AND MAINTENANCE MANUAL
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DESIGN AND OPERATING PRINCIPLE
Depending on the customer's individual requirements, "MERCOR" S.A. offers smoke exhaust vents on
straight or slanting bases, in a wide range of opening dimensions and base height. All the steel
elements are protected with hot-dip or galvanic zinc coating.
The sheet metal used in our products complies with the PN-EN 10346:2015-09 standard, surface type.
As standard, the bases are supplied disassembled and without thermal insulation. They are suitable
for fitting any type of 50 mm thick insulation.
Smoke exhaust and combined smoke exhaust and ventilation vents mcr S-THERM type: C, E, NG-A
consist of the fixed part - base and aluminium frame with thermal insert and movable part - leaf with
glazing and the opening system.
Fig. 1Design of mcr S-THERM smoke exhaust vent.
The types of openable leaf glazing used are:
• multi-chamber polycarbonate in thicknesses from 10 to 25 mm, with varying degrees of
transparency
and with different heat transfer coefficient values,
• multi-chamber polycarbonate of thickness of 10 to 25 mm + single acrylic dome,
• multi-chamber polycarbonate of thickness of 10 to 25 mm + single polycarbonate dome,
• ALU sandwich panel of thickness 20 mm (e.g. aluminium - thermal insulation - aluminium),
• multi-chamber polycarbonate of thickness 16 to 25 mm + envelope cover.
The mcr S-THERM smoke exhaust vents type: C, E, NG-A are offered with the following control systems:
• pneumatic control,
• electric control,
• mechanical control.
Triggering of smoke exhaust and combined smoke exhaust and ventilation vents can be carried out
both manually – by the user, as well as automatically via thermal fuses, mcr control units or fire alarm
control units.
1. Base
2. Frame
3. Leaf
4. Opening system
5. Wind deflector*
6. Inlet deflector*
7. Nameplate
* - optional equipment
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