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DuoVent 150/200/250/315/355/400 EC
www.ventilation-system.com
This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation of the
DuoVent 150/200/250/315/355/400 EC unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should be able to
work in accordance with workplace safety rules as well as construction norms and standards applicable in the territory of the country.
Safety requirements ..................................................................................................................................................................... 2
Purpose ................................................................................................................................................................................................ 4
Delivery set ........................................................................................................................................................................................ 4
Designation key .............................................................................................................................................................................. 4
Technical data .................................................................................................................................................................................. 5
Design and operating principle ........................................................................................................................................... 7
Mounting and set-up .................................................................................................................................................................. 8
Connection to power mains .................................................................................................................................................. 9
Technical maintenance .............................................................................................................................................................. 11
Troubleshooting ............................................................................................................................................................................. 11
Storage and transportation regulations .......................................................................................................................... 12
Manufacturer’s warranty ........................................................................................................................................................... 13
Certificate of acceptance .......................................................................................................................................................... 15
Seller information .......................................................................................................................................................................... 15
Installation certificate .................................................................................................................................................................. 15
Warranty card ................................................................................................................................................................................... 15
All operations described in this manual must be performed by qualified personnel only, properly
trained and qualified to install, make electrical connections and maintain ventilation units.
Do not attempt to install the product, connect it to the mains, or perform maintenance yourself.
This is unsafe and impossible without special knowledge.
Disconnect the power supply prior to any operations with the unit.
All user’s manual requirements as well as the provisions of all the applicable local and national
construction, electrical, and technical norms and standards must be observed when installing
and operating the unit.
Disconnect the unit from the power supply prior to any connection, servicing, maintenance, and
repair operations.
Only qualified electricians with a work permit for electrical units up to 1000 V are
allowed for installation. The present user’s manual should be carefully read before
beginning works.
Check the unit for any visible damage of the impeller, the casing, and the grille before starting
installation. The casing internals must be free of any foreign objects that can damage the
impeller blades.
While mounting the unit, avoid compression of the casing! Deformation of the casing may result
in motor jam and excessive noise.
Misuse of the unit and any unauthorised modifications are not allowed.
Do not expose the unit to adverse atmospheric agents (rain, sun, etc.).
Transported air must not contain any dust or other solid impurities, sticky substances, or fibrous
materials.
SAFETY REQUIREMENTS
CONTENTS