Mark MDV Blue 225, Technical Manual, Page: 3 / 32

EN
Read this document carefully before
starting to install the appliance
Warning
Incorrect installation, adjustment, alteration, repair or maintenance work may lead to material
damage or injury. All work must be carried out by certified, qualified professionals. If the
appliance is not positioned in accordance with the instructions, the warranty shall be rendered
void. This appliance is not intended for use by children or persons with a physical, sensory or
mental handicap, or who lack the required experience or expertise, unless they are supervised
or have been instructed in the use of the appliance by somebody who is responsible for their
safety.Children must be supervised to ensure that they do not play with the appliance.
If the manual refers to an image or table, a number will be shown between square brackets, for
example
[3]
. The number refers to images and tables at the back of the manual with the stated
number.
1.0 General
1.1 Application
The MDV roof fan can be used in various rooms as construction halls, workshops and welding
areas where extraction of contaminated air is necessary. Motorised impeller is protected with
a meshwork grill which offers protection against external objects that could cause mechanical
damage to the impeller.
Motor: external rotor, motor protection built-in thermalcontact, free-maintenance ball bearings.
Housing: made of galvanized steel.
The MDV is not suitable for rooms with polluted air, aggressive and explosive gases.
Subject to change
The manufacturer is committed to constantly improving its products and reserves the right to
make changes in the specifications without prior notice. The technical details are considered
correct but do not form the basis for a contract or warranty. All orders are accepted according to
the standard terms of our general sales and delivery conditions (available upon request).
3