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04.06.2019 portable radial fans WPA-P-N
9. Maintenance and Control
In the aspect of operational use, the fan construction guarantees its efficient function without
continuous everyday technical supervision. Nevertheless, to obtain proper function of the de-
vice and to follow the safety rules, manufacturer suggests executing technical revisions
on regular basis. During the inspection check the function of the fan and the technical state
of its elements.
Any activities related to connection to the power supply system ought
to be executed by an authorized person with electrical qualifications.
The appliance should be disconnected from the power mains (exemption from this are
activities carried out on the running fan, under strict observing the Occupational and
Health Safety rules –e.g. vibration measurement).
Prior to the maintenance on the fan, necessarily disconnect it from the power supply system
and wait until the impeller stops rotating.
Within the scope of inspection execute following activities:
check and tighten the mechanical and electrical connections,
examine the mountings of the motor and the fan, important is that the clearance between
the inlet and the impeller is even within the whole circumference.
remove the impurities accumulated inside the fan, eventually clean it from pollutants origin-
ating from the conveyed medium.
10. Occupational Health and Safety
Start up and the operational use is only admissible exclusively after getting acquainted
with the contents of the present Use and Maintenance Manual.
Connect the fan to the electrical wiring system, strictly according to the enclosed Connection
Diagram and the guidelines shown in Section 6 of the present Use and Maintenance Manual.
This ought to be carried out exclusively by a qualified person, and in accordance with
the valid regulations.
During the operational use, check the connection between the fan and the PE protective cable.
Any activities connected with technical revisions and repair have to be
executed necessarily after the device is disconnected from the power supply system.
11. Transport and Storage
The fans shall be transported on pallets and protected with foil. During the loading and tran-
sport the package should not be thrown neither knocked down (overturned) or charged with a
load on the top.
Do not place one package on top of another (no stacking) and,during the transport protect the
device from atmospheric factors and from damage, indents. The device ought to be stored in
dry and well ventilated rooms.
12. Terms of warranty
The period of warranty for the purchased device is indicated in the “Card of Warranty”. The war-
ranty does not comprise:
mechanical damage and dysfunctions caused by User,
device failures caused during use which was in contradiction with the purpose of the opera-
tional use and the present Use and Maintenance Manual,
damages / malfunctions being caused during improper transport, storage or incorrect main-
tenance,
