osily OSEF Manuel utilisateur
User’s manual
OSEF
AXIAL FAN
EN
2
EN
CONTENTS
Safety requirements.......................................................................................................................................................................................................................... 3
Delivery set............................................................................................................................................................................................................................................. 7
Brief description .................................................................................................................................................................................................................................. 7
Operation guidelines ....................................................................................................................................................................................................................... 7
Designation key................................................................................................................................................................................................................................... 8
Installation............................................................................................................................................................................................................................................... 9
Fan operation setup.......................................................................................................................................................................................................................... 10
Operation indication........................................................................................................................................................................................................................ 12
Technical maintenance................................................................................................................................................................................................................... 13
Troubleshooting.................................................................................................................................................................................................................................. 13
Storage and transportation regulations............................................................................................................................................................................... 14
Manufacturer’s warranty................................................................................................................................................................................................................ 15
This user’s manual is a main operating document intended for technical, maintenance, and operating staff.
The manual contains information about purpose, technical details, operating principle, design, and installation of the OSEF
unit and all its modifications.
Technical and maintenance staff must have theoretical and practical training in the field of ventilation systems and should
be able to work in accordance with workplace safety rules as well as construction norms and standards applicable in the
territory of the country.
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All user’s manual requirements as well as the provisions of all the
applicable local and national construction, electrical, and technical
norms and standards must be observed when installing and
operating the unit.
Disconnect the unit from the power supply prior to any connection,
servicing, maintenance, and repair operations.
Only qualied electricians with a work permit for electrical
units up to 1000 V are allowed for installation. The present user’s
manual should be carefully read before beginning works.
Check the unit for any visible damage of the impeller, the casing, and
SAFETY REQUIREMENTS
READ THE USER’S MANUAL CAREFULLY BEFORE PROCEEDING WITH INSTALLATION WORKS.
COMPLIANCE WITH THE MANUAL REQUIREMENTS ENSURES RELIABLE OPERATION AND LONG
SERVICE LIFE OF THE UNIT.
KEEP THE USER’S MANUAL AVAILABLE AS LONG AS YOU USE THE UNIT. YOU MAY NEED TO
REREAD THE INFORMATION ON THE PRODUCT SERVICING.
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the grille before starting installation. The casing internals must be free
of any foreign objects that can damage the impeller blades.
While mounting the unit, avoid compression of the casing!
Deformation of the casing may result in motor jam and excessive
noise.
Misuse of the unit and any unauthorised modifications are not
allowed.
Do not expose the unit to adverse atmospheric agents (rain, sun, etc.).
Transported air must not contain any dust or other solid impurities,
sticky substances, or fibrous materials.
Do not use the unit in a hazardous or explosive environment
containing spirits, gasoline, insecticides, etc.
Do not close or block the intake or extract vents in order to ensure the
efficient air flow.
Do not sit on the unit and do not put objects on it.
The information in this user’s manual was correct at the time of the
document’s preparation.
The Company reserves the right to modify the technical
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characteristics, design, or configuration of its products at any time in
order to incorporate the latest technological developments.
Never touch the unit with wet or damp hands.
Never touch the unit when barefoot.
This unit is not intended for use by persons (including children)
with reduced physical, sensory or mental capabilities, or lack of
experience and knowledge, unless they have been given supervision
or instruction concerning use of the unit by a person responsible for
their safety.
Children should be supervised to ensure that they do not play with
the unit.
Precautions must be taken to avoid the back-flow of gases into the
room from the open flue of gas or other fuel-burning appliances.
Connection to the mains must be made through a disconnecting
device, which is integrated into the fixed wiring system in accordance
with the wiring rules for design of electrical units, and has a contact
separation in all poles that allows for full disconnection under
overvoltage category III conditions.
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Ensure that the unit is switched off from the supply mains before
removing the guard.
THE PRODUCT MUST BE DISPOSED SEPARATELY AT THE END OF ITS SERVICE LIFE.
DO NOT DISPOSE THE UNIT AS UNSORTED DOMESTIC WASTE.
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DELIVERY SET
Fan – 1 pc.
Screws and dowels – 4 pcs.
Plastic screwdriver (only for the models with a timer) – 1 pc.
User’s manual – 1 pc.
Packing box – 1 pc.
Sealing gasket – 1 pc.
BRIEF DESCRIPTION
The product is an axial fan for exhaust ventilation of small and medium-sized premises.
The fan is designed for connection to ø150 mm air ducts.
OPERATION GUIDELINES
The fan is rated for connection to single-phase AC power mains.
Power supply parameters are stated on the unit packaging and/or the label on the unit casing.
Ingress protection rating against access to hazardous parts and water ingress is IP45, for fans with a Z1PIR option – IP42.
WARNING! The IP rating is indicated for an assembled unit.
The fan is rated for operation at ambient temperatures ranging from +1 °C to +40 °C.
WARNING! Do not operate the fan outside the specied temperature range.
The product meets Class II requirements to electric shock hazard protection (220-240 V, 50/60 Hz).
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DESIGNATION KEY
OSEF 150 CZ1H
Additional options
Z1: base model
Z1PC: pull cord switch
Z1T: turn-off delay timer
Z1PCT: pull cord switch and turn-off delay timer
Z1H: humidity sensor and turn-off delay timer
Z1PIR: motion sensor
Colour
C: Chrome
Outlet duct diameter [mm]
Fan series
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INSTALLATION
The fan is designed for wall or ceiling mounting with direct air discharge to the ventilation shaft or into the round air duct of
matching diameter (Fig. 2). Fan installation with direct air discharge upwards is not allowed (Fig. 2).
Fan installation sequence:
Step 1. Cut off power supply and make sure electricity has been turned off (Fig. 3).
Step 2. Run the power cable to the vent hole (Fig. 4).
Step 3. Remove the front panel from the fan. Then remove the circuit board cover (Fig. 5).
Step 4. Mark and drill holes for mounting the fan, fasten the sealing gasket, and then install the fan (Fig. 6-8).
Step 5. Connect the fan to power mains according to the wiring diagram (Fig. 12-20).
Step 6. Install the circuit board cover (Fig. 9) and the front panel on the fan casing (Fig. 10).
Step 7. Supply power voltage to the fan (Fig. 11).
TERMINAL DESIGNATIONS ON WIRING DIAGRAMS
L: phase
N: neutral
S: external switch
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DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD.
THE TIMER CIRCUIT IS LIVE.
MAKE SURE THE FAN IS DISCONNECTED FROM POWER SUPPLY.
FAN OPERATION SETUP
on — To adjust the fan turn-on delay time, turn the control knob Ton clockwise to increase and counter-clockwise to
decrease the turn-on delay time respectively, adjustable from 0 up to 2 minutes.
o — To adjust the fan turn-off delay time, turn the control knob To clockwise to increase and counter-clockwise to
decrease the turn-off delay time respectively, adjustable from 2 up to 30 minutes.
— To adjust the humidity set point, turn the control knob H clockwise to increase and counter-clockwise to decrease the
humidity sensor set point, adjustable from 60 % up to 90 %.
The fan delivery set includes a specially designed plastic screwdriver for fan settings adjustments. Use it to change the turn-
on and turn-off delay time and the humidity set point.
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