VENTS 125 ST K turbo

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Maximum capacity – 226 m³/h.

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Characteristics
Capacity diagram
Downloads
Options
Dimensions
Wiring plan

Characteristics

Parameter	Value	Measurement unit
Voltage	220-240	V
Frequency	50/60	Hz
Power consumption	24	W
Air capacity	226	m³/h
Current	0.105	A
RPM	2400	min^-1
Sound pressure level at 3 m	37	dBА
Spigot size	125	mm
Engine Type	220-240V / 50-60Hz	-
Design	axial	-
Duct diameter	125	mm
IP Code	IP 34	-
Weight	0.78	kg
Type	exhaust	-
Mounting	wall mounting , ceiling mounting	-

Capacity diagram

Selection method:
Air flow:
Pressure:

Operating point

Air flow: --
Pressure: ---

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Downloads

Modifications

Modification name	Backdraft damper	Timer	High-powered fan
VENTS 125 ST K turbo				+

Dimensions

Characteristics

Parameter	Value	Measurement unit
Ø D	125	mm
B	176	mm
H	140	mm
L	114 (modification S1: 96)	mm
L1	13	mm

Wiring plan

Wiring diagram for the fans equipped with a built-in switch	Wiring diagram for the fans without built-in switch

Wiring diagram for the fans equipped with a timer / timer, humidity sensor and a built-in switch	Wiring diagram for the fans equipped with a timer / timer with a humidity sensor without built-in switch

Wiring diagram for the fans with a light lamp. Separate activation of the fan and the built-in lamp.	Wiring diagram for the fans with a light lamp. Parallel activation of the fan and the built-in lamp.

Wiring diagram for the fans with an light lamp and grounding. Separate activation of the fan and the built-in lamp.	Wiring diagram for the fans with a light lamp and grounding. Parallel switching of the fan and the built-in lamp.

Wiring diagram for the fans with grounding

* - only for fans designed for 12 V rated voltage (specified on the fan casing and packing).
S, S1, S2 - external switches.

Operating logic of the fans with optional equipment

The fan equipped with a timer is activated by the control voltage supplied to LT input. After the control voltage is disconnected the fan continues operating within the time period within 2 to 30 minutes according to the timer settings. The turn-off delay time is adjusted by turning the respective potentiometer T control knob clockwise to increase and counter-clockwise to reduce it.
The fan equipped with a timer and humidity sensor is activated by the control voltage supplied to LT input or in case of exceeding the preset humidity threshold value adjustable from ~60% to ~90%. After the control voltage is disconnected or as the humidity level H drops below the set threshold the fan continues operating within the time period within 2 to 30 minutes according to the timer settings. The turn-off delay time and the threshold humidity level are adjusted by turning the control knob of the respective potentiometer T for timer and H for humidity sensor clockwise to increase and counter-clockwise to reduce the set value. To set the maximum humidity level (90%) set the potentiometer control knob for H max position.
The fan equipped with a timer and motion sensor is activated in case of the moving detection at the distance from 1 m to 4 m with 100° detection angle. After motion is off the fan continues operating within the time period within 2 to 30 minutes according to the timer settings. The turn-off delay time is adjusted by turning the respective potentiometer T control knob clockwise to increase and counter-clockwise to reduce it.
Wiring diagram for connection of the light lamp to the fan timer operated by the common switch is shown on diagram 4. Upon the light lamp disconnection the fan continues operating according to the timer setting within the set time period.

Designation key

PICTURE SYMBOL	DESIGNATION	MODIFICATION DESCRIPTION
	S1	Shortened flange model.
	S К	Fan is equipped with a backdraft damper for back flow preventing.
	S L	The motor is equipped with ball bearings for long service life (appr. 40 thousand hours) and fan mounting at any angle. The bearings are maintenance-free and contain enough grease for the entire operating period.
	S turbo	High-powered motor.
	S 12	Modification with low-voltage motor. 12 V AC power supply.
	S T	Equipped with a regulated timer with the operating time from 2 to 30 minutes.
	S TH	Equipped with a timer with the operating time from 2 to 30 minutes and a humidity sensor with the threshold value from 60 to 90 %.
	S V	Equipped with a pull cord switch.
	S VТ	Equipped with a pull cord switch and a regulated timer with the operating time adjustable from 2 to 30 minutes.
	S ВТН	Equipped with a pull cord switch, regulated timer with the operating time adjustable from 2 to 30 minutes and a humidity sensor with the operating threshold range from 60 to 90 %.