Operating manual - Fan CF-C Commissioning
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7.2 Activities and qualifications
Table 12: Commissioning – Activities and qualifications
Commissioning of the fan Qualified personnel authorized to perform fan
commissioning
Commissioning of electric motor Qualified personnel authorized to perform the
commissioning of electrical devices
Coordination of various activities An employee authorized to give instructions
7.3 Installation and assembly of the fan
As part of the commissioning, the fan will be prepared for use in a manner consistent with its
intended use. The end of commissioning procedure is the first use of the fan in a manner
consistent with its purpose.
Risk of electric shock
It is possible to touch live components and cause fatal injuries.
−
Care should be taken of the danger zones of live parts.
7.3.1 Test run
− Make sure that there are no foreign bodies in the fan housing and in the pipeline.
−
As part of the commissioning, a test run should be carried out with the check of all safety
systems.
Be aware of unusual sounds and vibrations.
Check the supply of cooling air to the electric motor.
Check the direction of rotation (according to the arrow on the housing).
Check the gap (impeller and intake nozzle) according to the chapter 6.7.1.
Check the network, control and monitoring devices as well as cable cross sections
according to the type of start, start time and intensity peak in order to confirm correct
calculation / acceptance of the correct dimensions by the user's designer.
If the fan is equipped with transport securing device, it must be removed.
The quantity of grease is much higher than the amount needed during operation due to
maintenance reasons. In the first start
-up phase, the bearing temperature can be increased
above 80 °C. After leaking of excess grease, the bearing temperature will stabilize to normal
operating temperature in the range of 60 to 80 °C.
7.3.2 Rotation direction control
Risk of electric shock
DANGER
It is possible to touch live components and cause fatal injuries.
−
Care should be taken of the danger zones of live parts.
When checking the direction of rotation in the impeller hazard zone,
only the person performing the checks may be present.
Make sure that the electric motor is disconnected from the power
supply.
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