JUNG 844.20W Manual


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Side 1/6
Speed regulator
Speed regulator
Art.-No.: 245.20
Speed regulator
Art.-No.: 844.20W
Operationsmanual
1 Safety instructions
Electrical equipment may only be installed and fitted by electrically skilled persons.
Danger of electric shock. Always disconnect before carrying out work on the devise or
load. At the same time, take into account all circuit breakers that supply dangerous
voltage to the device or load.
Danger of electric shock. Device is not suitable for disconnection from supply voltage.
Failure to observe the instructions may cause damage to the device and result in fire and
other hazards.
These instructions are an integral part of the product, and must remain with the end
customer.
2 Device components
picture 1: Device components
(1) Speed controller
(2) Frame
(3) Central plate
(4) Adjusting knob
(5) Fuse holder
(6) Measuring points for voltage test
Test L: Outer conductor
Test7: Motor output
Test8: Switching output
(7) Release lever for plug-in terminal
(8) Adjuster
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32554413
J:0082554413 17.08.2010
picture 2: Circuit schematic
IN Rated current = I1 + I2 = max. 2.7 A
I1 Motor current
I2 Switching output current
3 Function
Intended use
- Speed controller for speed control of single-phase motors such as induction, shaded-pole
or universal motors
- Installation in appliance box to DIN 49073 acc.
Product characteristics
- Short-circuit protection through fine-wire fuse
- Electronic over-temperature protection
- Switching output e.g. for ohmic loads or for activating ventilation openings
The maximum load capacity of the switching output depends on the motor current.
By reducing the motor current it is possible to switch slats or ohmic loads with higher
current consumption.
- Measuring points (picture 2) make it possible to check the connected voltages without
dismantling the speed controller.
i The device may hum slightly due to the noise suppression choke. This does not represent
any defect in the device.
i Operation with a changeover switch is not possible.
4 Operation
Switching the motor on
o Turn the control button to the right.
The motor switches on to maximum speed. The switching output is activated.
Adjusting the speed
o Minimum speed: turn control button all the way to the right.
o Increase speed: turn control button to the left. The maximum speed is reached just before
the far left position.
Switching the motor off
o Turn the control button all the way to the left.
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32554413
J:0082554413 17.08.2010
Speed regulator


Produkt Specifikationer

Mærke: JUNG
Kategori: Ikke kategoriseret
Model: 844.20W

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