Usage
Roof fans DV-ROF-R are used in order to crease indoor air quality. Roof fans, polluted air to be expelled from the environment has
the aility to make remote point. Roof fans with high-performance work fine. Compact structure witout the need for converters
can be connected directly to the chmney.
Roof fans DV-ROF-R are used for industrial and constructional applications, in factories, hospitals, nightclubs, offices, kitchens,
bathrooms, theaters,restaurants etc.
Users are obliged to read carefully the manual before attempting to assemble, operate or maintain fans.
Expected life of the products is 10 years.
When using your product for the first time;
• Before connecting electric cables, you must not forget to cut the power supply. Be sure that electrical connections of the
product are established correctly and safely.
• Be sure that safety equipment is connected correctly.
• Properly establish earthing connections.
• Be sure that the cable and electric connection box are closed correctly and do not admit water leakage.
• Air exit direction should be in the direction indicated with the label on the body. There shall not be any obstacles in the air
flow route.
• The wings should rotate in the correct direction.
• While the product is operating, there shall not be any vibration or internal rubbing or hitting voice due to the rotation of
the fan or the suction fan.
• Power supply, current and frequency values shall comply with the product label.
• If any electricity warning device turns on, electric connection should immediately be cut from the main power supply. Before
starting the product, all the installation should be controlled again carefully.
• If any problem occurs, please consult authorized persons.
In case of any defect after you have started using the product continuously, the type of defect should be determined. In order to
remove the defect, the technical service must be contacted. You must not try to fix the problem yourself.
Abnormal Situation
Possible Cause
How to Fix
Too much sound (noise)
Rotor imbalance
Change the rotor
The device is not working
Motor is damaged
Change the motor
Condensator is not working
Change the condensator
Faulty speed adjustment connection
Check the installation (assembly)
The device is rotating slowly
Faulty connection
Check the electrical connection
Defects and How to Fix Them:
ALNOR
®
ventilation systems
is a legally protected trademark and technical patent. All rights reserved.
14
w
w
w
.v
ent
ila
tio
n-
al
no
r.co
.u
k
User manual
DV-ROF-R