10.2
Cleaning
Regular cleaning prevents unbalance.
WARNING
Hazard from electrical voltage
›
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›
Pay attention to the 5 rules of electrical engineering:
–
clear (all-pole separation of an electrical system from live parts)
–
secure against switching on again
–
establish freedom from voltage
–
earth and short-circuit
–
cover or fence off neighbouring live parts.
CARE
Danger from hot surfaces!
›
Wear protective gloves in maintenance and cleaning work!
"
Keep the air ducts of the Multibox clear and clean them with a cleaning brush if necessary.
"
Do not use a steel brush.
"
Under no circumstances should you use a high-pressure cleaner („steam sprayer“).
"
In cleaning, do not bend the fan blades.
"
Do not use any cleaning agents to clean the inside.
"
Take care of put-on balancing weights during cleaning the impeller
10.3 Maintenance, repairs
As ball bearings with „lifetime lubrication“ have been used, the Multibox is maintenance-free to a great extent. After the end of the
period of use for the grease (about 30,000 to 40,000 h in standard applications), replacement of the bearings is necessary.
With I motors, the capacity of the capacitor can drop in the course of time, the life expectation is about 30,000 h according to VDE
0560-8.
WARNING
Hazard from electrical voltage
Observe the following in all installation and maintenance work:
›
ventilator rotor must be stationary
›
the electrical circuit must have been interrupted and secured against being switched on again.
›
industrial safety directives must be complied with.
"
Pay attention to atypical running noises.
"
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"
For all other damage (e.g. damage to the coil), please get in touch with our Service Department, Defective Multiboxes must be
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operating instructions.
10.4
Replacement parts
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Replacement parts:
Side panels, Motor, Rotor
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