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VENTS 125 MF Duo

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Modifications
  • Dimensions
  • Designation key
Description
Description
APPLICATIONS  
  • Continuous or periodic exhaust ventilation of bathroom, showers, kitchens, and other residential premises.
  • Ventilation of premises with high requirements to noise level.
  • Permanent low-speed operation mode ensures continuous air exchange in the room.
  • Ventilation shaft mounting or connection to Ø 100, 125 and 150 mm air ducts.
DESIGN  
  • The casing and the impeller are made of highquality durable plastic, UV resistant.
  • The aerodynamic design of the impeller ensures high air flow and low noise level.
  • The fan is equipped with a specially designed backdraft damper to prevent back flow and heat losses during the fan standby.
  • The fan outlet spigot incorporates specially designed air rectifiers to reduce air turbulence, noise level and increase air pressure.
MOTOR  
  • Low energy demand from 5 W due to a new twospeed high-efficient motor.
  • Ingress protection rating IP44.
  • Designed for continuous operation and requires no maintenance.
  • Equipped with overheating protection.
CONTROL  

Manual control:

  • The fan is operated via a light switch (not included in the delivery set).
  • Speed control with a thyristor speed controller, refer to the Electric accessories. Speed controllers cannot be connected to the T1 and TH fan modifications.

Automatic:

  • Speed control with an electronic control unit BU-1-60, refer to the Electric accessories. The control unit is supplied separately.
  • By the T1 timer. When the external switch is turned on, the fan switches to a higher speed with a delay of 0 to 2 minutes. When the external switch is turned off, the fan will return to a low speed with a delay of 2 to 30 minutes.
  • By the humidity sensor and the TH timer. If the humidity level in the room exceeds the sensor threshold (60-90 %), the fan will automatically switch to a higher speed and will continue running until humidity returns to normal levels. Then the fan runs for 5 minutes at a high speed and switches to a low speed. The fan with a timer and TH humidity sensor can also be controlled in manual mode, for example, using the light switch. When the control voltage is applied, the turn-on delay timer is activated for 45 seconds and the fan switches to the second speed. After disconnecting the control voltage, the fan runs for a time set by the turn-off delay timer (from 2 to 30 minutes), and switches to the first speed.
MOUNTING FEATURES  
  • The fan is mounted directly into the ventilation shaft.
  • Flexible duct connection is recommended in case of the remote ventilation shaft location. The air duct is connected to the fan exhaust flange through a clamp.
  • Wall fixing with screws.
  • Suitable for ceiling mounting.
MOUNTING EXAMPLE  
Characteristics
Characteristics
Parameter VENTS 125 MF Duo
min
VENTS 125 MF L Duo
min
VENTS 125 MF T1 Duo
min
VENTS 125 MF TH Duo
min
VENTS 125 MF Duo
max
VENTS 125 MF L Duo
max
VENTS 125 MF T1 Duo
max
VENTS 125 MF TH Duo
max
Measurement unit
Duct diameter 125 125 125 125 125 125 125 125 mm
Design axial axial axial axial axial axial axial axial -
Speed min min min min max max max max -
Voltage 220-240 220-240 220-240 220-240 220-240 220-240 220-240 220-240 V
Frequency 50 50 50 50 50 50 50 50 Hz
Power consumption 10 10 10 10 14 14 14 14 W
Air capacity 130 130 130 130 160 160 160 160 m³/h
RPM 1100 1100 1100 1100 1800 1800 1800 1800 min-1
Current 0.068 0.068 0.068 0.068 0.092 0.092 0.092 0.092 A
Sound pressure level at 3 m 29 29 29 29 33 33 33 33 dBА
Weight 0.78 0.78 0.78 0.78 0.78 0.78 0.78 0.78 kg
Protection rating IP 44 IP 44 IP 44 IP 44 IP 44 IP 44 IP 44 IP 44 -
Mounting wall mounting, ceiling mounting wall mounting, ceiling mounting wall mounting, ceiling mounting wall mounting, ceiling mounting wall mounting, ceiling mounting wall mounting, ceiling mounting wall mounting, ceiling mounting wall mounting, ceiling mounting -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
Brochure "VENTS MF Duo" (pdf 2.75Mb)
Download image "VENTS MF Duo" for your website (png 431.42Kb)
Download high quality image "VENTS MF Duo" (psd 2.11Mb)
Modifications
Modification name Humidity sensor Timer Pull-cord switch Ball bearing motor No extra functions
VENTS 125 MF Duo - - - -
VENTS 125 MF L Duo - - - -
VENTS 125 MF T1 Duo - - - -
VENTS 125 MF TH Duo - - -
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Dimensions
Characteristics
VENTS 125 MF Duo
Parameter Value Measurement unit
∅D 124 mm
B 180 mm
L 85 mm
L1 21 mm
Designation key
Designation key
PICTURE SYMBOL DESIGNATION MODIFICATION DESCRIPTION
MF L Duo The motor is equipped with ball bearings to increase the service life (about 40 thousand operating hours) and fan mounting at any angle. The bearings are maintenance-free and contain enough grease for the entire operating period.
MF T1 Duo Equipped with an adjustable high-speed turn-on delay timer (from 0 to 2 minutes) and an adjustable high-speed turn-off delay timer (from 2 to 30 minutes).
MF TH Duo Equipped with an adjustable turn-off delay timer (from 2 to 30 minutes) and a fixed turn-on delay timer (60 s) with a humidity sensor adjustable from 60 % to 90 %.
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Questionnaire
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