4
GB OPERATING MANUAL AIR EXHAUST
FAN WKA
IMPORTANT NOTICE
Please read the Operating Manual
carefully before attempting to install or
service the air exhaust fan! Kesko shall
not be liable for any damage resulting
from incorrect operation, non-intended
use or unauthorized repair or modifi-
cations of the product. The Operating
Manual and the installation instructions
contained in it are an essential part of
the product equipment. The Operating
Manual speces important technical
information and instructions for the
operating safety of the fan. Carefully
read the installation instructions in the
Operating Manual. Keep the Operating
Manual available for future reference.
Warnings
Follow all safety regulations and the
safety symbols shown in the Operating
Manual to avoid injury and hazards.
Attention rotating elements!
Safety precautions:
• This product can be used by children
at least 8 years old, by people with im-
paired physical and/or mental abilities,
and by people without any experience
in or understanding of the operation of
the product, if supervised or instructed
by a competent adult in the safe use of
the product so that they understand the
relevant operating risks. This product
is not a toy and children should not play
with it. Children should not be allowed
to clean or maintain the product without
supervision of an adult.
• The fan is intended for permanent
installation and connection with the
building electrical system. The building
electrical system connected to the fan
must be capable of breaking
live voltage contact on all switching
poles to fully isolate the fan from
power during Category III overvoltage
conditions, in accordance to applicable
electrical engineering regulations.
• The ventilator is designed for instal-
lation at a substantial height, i.e. 2.3 m
above the floor. The fan shall only be
installed in a position and an orientation
specified in the Operating Manual, given
the necessary entry of the power cable
into the fan housing.
• Before servicing the fan, isolate it
from the mains voltage with the circuit
breaker. Secure the circuit breaker
against inadvertent operation.
• The fan installation design must
prevent reverse flow of flue gas into
the room from open flue gas exhaust
ducts and appliances operated with
open flames.
• Never attempt to modify or alter the
fan without authorization.
• Before installing the fan, verify the
load bearing capacity of the installation
substructure. Improper installation fas-
tening may result in damage or failure
of the fan and hazards to the people
nearby. The fan can be hazardous when
operated against its intended use or
installed by unqualified personnel.
Application and operating conditions
• The fan is intended for handling air
of normal quality or with a low dust con-
tent (with a particle size < 10 μm) and
of low aggressiveness and humidity.
The air exhaust fan is intended for
operation in temperate climate condi-
tions and within the performance limits
specified in the product catalogue.
