4
B AVD.. and B VAR.. – Smoke Extraction Fans F300/F400/F600
Installation and Operating Instructions
1.8
Speed control
– The 1-speed series B VAR.. and B AVD.. F300/F400/F600 are equipped with thermistors (PTC) and may be
operated in ventilation mode using a frequency converter with an all-pole effective sinusoidal filter (Helios FU-CS).
– The speed control of all series is only permitted in ventilation mode and with a frequency converter with an all-pole
effective sinusoidal filter.
– The smoke extraction fan must be operated at a nominal speed.
–
The speed control must be bridged in a smoke extraction situation!
1.9
Functional safety – Emergency operation
When using the fan in an important supply function, the plant is to be designed so that emergency operation is auto-
matically guaranteed in case of fan failure. Suitable solutions are, for example: parallel operation of two less powerful
units with a separate electric circuit, standby fan, alarm systems and emergency ventilation systems.
In order to maintain the smoke extraction function, an additional power supply is required in case of a power failure.
The wiring must have function preservation.
2.0
Warranty claims – Exclusion of liability
All versions of this documentation must be observed, otherwise the warranty shall cease to apply. The same applies
to liability claims against Helios. The use of accessory parts, which are not recommended or offered by Helios, is not
permitted. Any possible damages are not covered by the warranty. Changes and modifications to the unit are not
permitted and lead to a loss of conformity, and any warranty and liability shall be excluded in this case.
2.1
Certificates - Guidelines
If the unit is installed correctly and used to its intended purpose, it conforms to all applicable regulations and EU
guidelines at its date of manufacture.
2.2
Shipping
The fan is packed ex works in such a way that it is protected against normal transport strain. Carry out the shipping
carefully. It is recommended to leave the fan in the original packaging. The fan must be kept in the casing or the
provided lifting lugs for transportation or installation
– Observe transportation diagram!
In this respect, only use ap-
propriate lifting equipment and fastening devices. Weight information can be found in the table Chapter 5.0 on page
16 or the unit label.
Do not transport fan on the connection cables, terminal box or impeller!
Do not stand under suspended loads!
2.3
Receipt
The shipment must be checked for damage and correctness immediately upon delivery. If there is any damage,
promptly report the damage with the assistance of the transport company. If complaints are not made within the
agreed period, any claims could be lost.
2.4
Storage
When storing for a prolonged time, the following steps are to be taken to avoid damaging influences: Motor protection by
dry, airtight and dust-proof packaging (plastic bag with desiccant and humidity indicators). The storage place must be
water proof, vibration-free and free of temperature variations. Storage temperature -20 °C to +60 °C, and these limits
must not be exceeded. The motor bearings must be turned at regular intervals (10 turns per month). In case of a stora-
ge period of more than three months or motor standstill, maintenance must be carried out before commissioning. In
this respect, the silent, free movement of the impeller must be checked. The motor bearings must be replaced after
a 2-year storage period. When transhipping (especially over longer distances) check if the packing is adequate for
method and manner of transportation. Damages due to improper transportation, storage or commissioning are not
liable for warranty.
2.5
Smoke extraction series
These installation and operating instructions describe the Helios smoke extraction fan series:
Binding information on the individual fan types can be found on the type plate.
2.6
Performance data
The motor type plate gives an indication of the electrical values; which must be coordinated with the local supply net
work. The fan performances* were established on a test stand according to DIN EN ISO 5801:2010-12; they apply to
the nominal speed and standard design using an inlet nozzle, without a protection guard with unhindered
inflow and outflow and a pressure-side pipe section with 2.5 x diameter length. In this respect, different versions and
unfavourable installation and operating conditions can lead to a reduction of output.
CHAPTER 2
GENERAL INFORMATION
Series
Temperature class
Diameter
Low-pressure axial smoke extraction fans
B AVD..
F300
Ø 500-1250 mm
F400
Ø 500-1250 mm
F600
Ø 500-1250 mm
Series
Temperature class
Diameter
High-pressure in-line smoke extraction fans
B VAR..
F300
Ø 280-1000 mm
F400
Ø 500-1000 mm
F600
Ø 500-1000 mm
B AVD
¬
¬
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DANGER
EN
ATTENTION
