Helios Explosion-proof Series, Installation And Operating Instructions Manual

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– Axial high-performance fans
Installation and Operating Instructions
3.6 Putting into operation
The following checks are carried out before initial operation:
– check for operation according to the intended purpose of the fan
– compare power supply voltage with data on the rating plate
– check fan for solid fastening and professional electrical installation
– check all parts especially screws, nuts and safety grille for tight fit. Without loosing screws!
– test unhindered running of impeller respectively minimum air gap
– check if direction of rotation and air flow direction correspond. Check direction of rotation of impeller (by switching
on for a short time; when checking the direction of rotation wear protective goggles)
– compare current consumption with data on the rating plate
– test functioning of motor protection device
– test protective conductor connection
– check sealing of the connection cable and tight clamp of cable wires
– start operation only if a protection against accidental contact is guaranteed
– check tightness of all connections (if required)
– remove assembly residues from fan or duct
– during the test run check the fan on improper vibration and noise
– do not operate the fan beyond the specified performance curce (siehe catalogue / Internet),
the fan must run on its prescribed operating point
– fill out the enclosed commissioning report (see page 10) and submit in case of the warranty claim
3.7 Operation
Check regularly the correct function of the fan:
– unhindered running of impeller
– check the air gap (see table 3.2)
– measure current consumption
– check on possible vibrations and noise
– deposit of dust and dirt in the casing or on the motor and impeller
UK