ebmpapst Denmark ApS, Vallensbaekvej 21, 2605 Broendby
+45 4363 1111
2019.08.01 – page 11
4.6 Checking connections
43 Ensure isolation from supply (all phases).
Make sure a restart is impossible.
Check the cables for proper fit.
4.7 Switching on the device
WARNING
44 Understanding the product.
Before using the product or after delivery or moving, make sure that the operator is familiar with these operating
instructions and is familiar with the procedures for use, control and inspection of the machine.
45 Hot motor housing,.
Risk of fire..
Ensure that no combustible or flammable materials are located close to the fan.
Before switching on, check the device for visible external damage and make sure the protective devices are
functional.
Apply the nominal supply voltage.
Start the device by changing the input signal.
4.8 Switching off the device
46 Switching off the device during operation:
Switch off the device via the control input to protect it.
Do not switch the motor (e.g. in cyclic operation) on and off via power supply.
Switching off the device for maintenance:
Disconnect the device from the power supply.
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5. MAINTENANCE, MALFUNCTIONS, POSSIBLE CAUSES
AND REMEDIES
5.1 Cleaning
47 The fan is maintenance-free.
Impeller cleaning is recommended only if subsequent proper balancing is performed.
NOTE
If the unit is damaged during cleaning, malfunctions are possible
Do not clean the unit using water jets or high pressure washers.
5.2 Safety inspection
48 Every 6 months the following should be testes visually:
Do all protective parts fit properly?
Is the product damaged?
Is the product fitted correctly?
Are all cables fitted correctly?
Is the product earthing properly fitted?
Is the cable insulation defective?