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MIW-STR-4-EN-000 - 09 / 08 / 2018

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STANDARD 3-PHASE 400 VAC 
TRANSFORMER CONTROLLER

STR-4

VERIFICATION OF INSTALLATION

ATTENTION

Use only tools and equipment with non-conducting handles when working on 
electrical devices.

After connecting the unit to the mains supply, the green LED on its cover should 
light up indicating that the controller is supplied. 
 Safe operation depends on proper installation. Before start up, ensure the following:

 

The mains supply is connected correctly.

 

Protection is provided against electrical shock.

 

The cables are the appropriate size and fuse-protected.

 

There is sufficient air flow around the unit.

ATTENTION

The unit is supplied with electrical energy at voltages high enough to inflict personal 
injury or threat to health. Take the relevant safety measures. 

ATTENTION

Disconnect and confirm that there is no live current flowing to the unit before servicing.

ATTENTION

Avoid exposing the controller to direct sunlight!

 

TRANSPORT AND STORAGE 

Avoid shocks and extreme conditions; stock in original packing.

WARRANTY AND RESTRICTIONS

Two years from the delivery date against defects in manufacturing. Any modifications 
or alterations to the product after the date of publication relieve the manufacturer 
of any responsibilities. The manufacturer bears no responsibility for any misprints or 
mistakes in this data.

MAINTENANCE 

In normal conditions this product is maintenance-free. If soiled, clean with a dry or 
damp cloth. In case of heavy pollution, clean with a non-aggressive product. In these 
circumstances the unit should be disconnected from the supply. Pay attention that 
no fluids enter the unit. Only reconnect it to the supply when it is completely dry.

Содержание STR-4 series

Страница 1: ...Mounting and operating instructions STANDARD 3 PHASE 400 VAC TRANSFORMER CONTROLLER STR 4 ...

Страница 2: ...ARTICLE CODES 4 INTENDED AREA OF USE 4 TECHNICAL DATA 4 STANDARDS 4 OPERATIONAL DIAGRAMS 5 WIRING AND CONNECTIONS 5 MOUNTING AND OPERATING INSTRUCTIONS IN STEPS 5 VERIFICATION OF INSTALLATION 8 TRANSPORT AND STORAGE 8 WARRANTY AND RESTRICTIONS 8 MAINTENANCE 8 STANDARD 3 PHASE 400 VAC TRANSFORMER CONTROLLER STR 4 ...

Страница 3: ...s as dry as possible avoid condensation All installations shall comply with local health and safety regulations and local electrical standards and approved codes This product can only be installed by an engineer or a technician who has expert knowledge of the product and safety precautions Avoid contacts with energised electrical parts Always disconnect the power supply before connecting servicing...

Страница 4: ...10L40 11 0 STR 4140L50 14 0 INTENDED AREA OF USE Speed control of voltage controllable 400 VAC three phase motors pumps and fans For indoor use only TECHNICAL DATA Supply voltage 3x 400 VAC 50 60 Hz Maximum motor current Imax depends on the version see article codes Unregulated output 230 VAC Wide power range 5 step rotary switch for manual control plus off position LED status indication Enclosure...

Страница 5: ...W ATTENTION Make sure you use cables with an appropriate diameter MOUNTING AND OPERATING INSTRUCTIONS IN STEPS Before you start mounting the STR 4 read carefully Safety and Precautions and follow these steps Choose a smooth solid surface for installation a wall panel etc Follow these steps 1 Open the door of the controller Mind the wires that connect the rotary switch with the autotransformer 2 Mo...

Страница 6: ... and bonded to other existing metal surfaces Fig 1 Mounting dimensions Fig 2 Mounting position A C B E D Correct Incorrect 50 mm 50 mm 75 mm 50 mm 1 3 2 4 Article code A mm B mm C mm D mm E mm STR 4 15L40 300 325 185 255 255 STR 4 25L40 300 325 185 255 255 STR 4 40L40 300 425 185 255 355 STR 4 60L40 300 425 235 255 355 STR 4 80L40 300 425 235 255 355 STR 4110L40 400 430 235 355 355 STR 4140L50 400...

Страница 7: ...rmer controller can operate normally consider an isolating switch 12 Turn the knob into the relevant position to adjust the output voltage Optional settings The standard configuration of the output voltages is as indicated in Table 1 below However if more than 5 output voltages are available it is possible to adjust the 5 steps by changing the internal wiring Table 1 Voltage series Knob position 0...

Страница 8: ...ersonal injury or threat to health Take the relevant safety measures ATTENTION Disconnect and confirm that there is no live current flowing to the unit before servicing ATTENTION Avoid exposing the controller to direct sunlight TRANSPORT AND STORAGE Avoid shocks and extreme conditions stock in original packing WARRANTY AND RESTRICTIONS Two years from the delivery date against defects in manufactur...

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