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D E S C R I P T I O N
E N G L I S H
A P P L I C A T I O N
• RKB EC is accessible for the user, according to IEC
60335-2-40, to by themselves do the service and
maintenance, according to this Directions for use.
But before this work the unit must be currentless.
With reservation according to IEC 60335-2-7.12
”This appliance is not intended for use by persons
(including children) with reduced physical, senso-
ry or metal capabilities, or lack of experience and
knowledge, unless they have been given supervision
or instruction concerning use of the appliance by a
person responsible for their safety.”
”Children should be supervised to ensure that they
do not play with the appliance.”
• The fan is used for transportation of ”clean” air, mea-
ning not intended for fire-dangerous substances,
explosives, grinding dust, soot, etc.
• The capacitor (only for AC motor) has finite life-
time and should be exchanged after 45.000 opera-
tion hours (about 5 years of operation) to secure
maximum function. Defective capacitor can cause
damage.
• To achieve maximum life time for installations in
damp or cold environments, the fan should be ope-
rating continuously.
• The fan can be installed outside or in damp envi-
ronments. Make sure that the fan house is equipped
with drainage.
• The fan is intended to be used at the highest volta-
ge and frequency that’s stated on the label on the
fan.
• The fan can be installed in any position.
This Directions for use contains
the product
RKB EC.
RKB EC are in-line duct fans with backward curved
impellers and swing-out design. The fans are equipped
with external rotor induction EC-motor with mainte-
nance-free sealed ball-bearings.
The RKB EC is manufactured from galvanized steel
sheet.