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Installation and Operating Instructions
CHAPTER 1
GENERAL INFORMATION
m
m
ATTENTION
Standard execution
Special execution
RADAX
®
VAR . . – High pressure in-line fans
1 .0
Important information
To ensure safety and correct operation please read and observe the following instructions carefully before proceeding.
This document is part of the product and to be accessible and permanently stored as such. The operator is respon-
sible for compliance with all installation related safety.
1 .1
Warning and safety instructions
Accompanying symbol is a safety-relevant prominent warning label . All safety regulations and/or symbols must
be absolutely adhered to, so that any danger situation is avoided!
1 .2
Warranty – Exclusion of liability
All instructions of this documentation must be observed, otherwise all warranty claims are excluded.This also applies
to any liability claims extended to the manufacturer.
The use of accessories not offered or recommended by Helios is not permitted. Potential damages are not liable for
warranty.
1 .3
Certificates
If the product is installed correctly and used to its intended purpose, it conforms to all applicable European Standards
at its date of manufacture.
1 .4
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 unit until installation in the original packaging to avoid possible damages and
soiling. For transport or for assembly the fan must be gripped at the casing or hooked to the integrated crane hooks.
Use here suitable lifting apparatus and mounting devices. Declarations of weight please see table 5,0 on page 8.
Do not transport the fan at connecting cables, terminal box or impeller .
Do not stand under suspended loads!
1 .5
Receipt
Please check delivery immediately on receipt for accuracy and damage. If damaged, please notify carrier immediately.
In case of delayed notification, any possible claim may be void.
1 .6
Storage
When storing for a prolonged time the following steps are to be taken to avoid damaging influences:
Protection of motor by dry, air- dustproof packing (plastic bags with drying agent and moisture indicators). The storage
place must be water proof, vibration-free and free of temperature variations.
When
storing
for
of the bearing before start-up must take place. Besides, check the noiseless, free run of the impeller.
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 putting into operation are not liable for warranty.
1 .7
Explosion-proof standard execution
The Helios standard explosion-proof VAR- fans comply with the Directive 2014/34/EU (Equipment Safety Act):
Product group Product catagory Zone definition Temperature class
Gerätegruppe II
Kategorie 2G
Binding information for each fan types are shown on the type plate.
According to Directive 2014/34/EU (Equipment Safety Act), minimum air gaps are required for the fans. The recom-
mended minimum air gaps are shown in Table 3.2, page 5.
Explosion-proof special executions:
VAR .. Ex-types in special executions may vary from the above information. Binding information are shown on the type
plate
1 .8
Application/Operation
– The explosion-proof axial high-performance fans, VAR .. Ex are suitable for use in hazardous areas or in
explosive atmosphere and in the range of its performance curve., see Helios sales information / Internet.
– The definition of the zones is to be carried out by the operator and is incumbent upon his responsibility (Directive
99/92 EC, Industrial Safety Regulation, BetrSichV).
– For operation under difficult conditions, i.e high humidity, longer period of standstill, high pollution, excessive working
conditions through climatic, technical or electronic influences, further inquiry and operation release is necessary as
the standard execution might not be suitable.
– It is to be ensured that the predefined application according to standard is not exceeded. The permissible medium-and
ambient temperature is -20 ° C to +40 ° C. Other temperatures are indicated on the type plate.
– The VAR.. Ex high pressure in-line fans are designed as components of a stationary ventilation system.
They may only be operated when installed as intended and the safety by protective installations
and the construction according to DIN EN 14986 required explosion protection measures are guaranteed.
several
months
or
non-rotation
Zone 1 und 2
T1-T3
1
of
motor
an
inspection
Type of protection
Fan „c" constructual safety
VARW.. Ex* „d" flameproof enclosure
VARD.. Ex* „e" increased safety
EN
*Motor
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