Sentera Controls MTY-0-05-AT Manuale di servizio

Mounting and operating instructions

MT ELECTRONIC FAN SPEED

CONTROLLER

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Table of contents

SAFETY AND PRECAUTIONS 3

PRODUCT DESCRIPTION 4

ARTICLE CODES 4

INTENDED AREA OF USE 4

TECHNICAL DATA 4

STANDARDS 4

OPERATIONAL DIAGRAMS 5

WIRING AND CONNECTIONS 5

MOUNTING INSTRUCTIONS IN STEPS 5

OPERATING INSTRUCTIONS 7

TRANSPORT AND STOCK KEEPING INFORMATION 7

WARRANTY INFORMATION AND RESTRICTIONS 7

MAINTENANCE 7

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SAFETY AND PRECAUTIONS

Read all information, the datasheet, mounting instructions and wiring scheme

before working with the product. For personal and equipment safety, and for

optimum product performance, make sure you entirely understand the contents

before installing, using, or maintaining this product.

For safety and licensing (CE) reasons, unauthorised conversion and/ or modiﬁcations

to the product are not permitted.

e product must not be exposed to abnormal conditions, such as: extreme

temperatures, direct sunlight or vibrations. Chemical vapours with high concentration

in combination with long exposure times can aﬀect the product performance. Make

sure the work environment is as dry as possible; check for condensation spots.

All installations shall comply with the local health and safety regulations and local

electrical codes. is product can only be installed by an engineer or a technician

who has an expert knowledge of the product and safety precautions.

Avoid contacts with energised electrical parts; always treat the product as if it

is life. Always disconnect the power source before connecting the power cables,

servicing or repairing the product.

Always verify that you apply appropriate power supply to the product and use wires

with appropriate size and characteristics. Make sure that all the screws and nuts are

well tightened and fuses (if any) are ﬁtted well.

Recycling of equipment and packaging should be taken into consideration and

disposed in accordance with local and national legislation/regulations.

In case there are any questions that are not answered, please contact your technical

support or consult a professional.

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PRODUCT DESCRIPTION

e MT speed controller provides manual control of the rotational speed of voltage

controllable (230 VAC, 50 Hz) motors by varying the supply voltage through phase

angle control. Several motors can be connected as long as the current limit is not

exceeded.

ARTICLE CODES

OUTPUT REGULATION FROM MINIMUM TO MAXIMUM

Code Current range, [A] Fuse, [A] (5*20 mm)

MTY-0-05-AT 0,05—0,5 F-0,63 A-H

MTY-0-15-AT 0,1—1,5 F-2,00 A-H

MTY-0-25-AT 0,2—2,5 F-3,15 A -H

MTY-0-40-AT 0,4—4,0 F-5,00 A-H

OUTPUT REGULATION FROM MAXIMUM TO MINIMUM

Code Current range, [A] Fuse, [A] (5*20 mm)

MTX-0-05-AT 0,05—0,5 F-0,63 A-H

MTX-0-15-AT 0,1—1,5 F-2,00 A-H

MTX-0-25-AT 0,2—2,5 F-3,15 A -H

MTX-0-40-AT 0,4—4,0 F-5,00 A-H

INTENDED AREA OF USE

■Manual control of the motor / fan speed in HVAC applications

■For indoor use only

TECHNICAL DATA

■Power supply: 230 VAC ± 10 % / 50 Hz

■Unregulated input / output: 230 VAC / max. 2 A

■Regulated output to motor(s)

■Minimum speed adjustment by trimmer: 80—180 VAC

■Speed control:

►MTX – from maximum to minimum

►MTY – from minimum to maximum

■Enclosure:

►External: ASA, white-ivory (RAL9010), IP54 (according to EN 60529)

►Internal: polyamide, white-ivory (RAL9010), IP44 (according to EN 60529)

■Operating ambient conditions:

►temperature: 0—35 °C

►rel. humidity: < 100 % rH (non-condensing)

■Storage temperature: -10—40 °C

STANDARDS

■Low Voltage Directive 2006/95/EC

■EMC Directive 2004/108/EC: EN 61326

■WEEE Direc tive 2012/19/ EU

■RoHs Directive 2011/65/EU

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OPERATIONAL DIAGRAMS

MTY-0-XX-AT MTX-0-XX-AT

Vout, [VAC]

Position

Maximum

speed

OFF Switch ON

External potentiometer value

Minimum

speed

Vout, [VAC]

Position

Maximum

speed

OFF Switch ON

External potentiometer value

Minimum

speed

WIRING AND CONNECTIONS

Power supply (230 VAC ± 10 % / 50 Hz)



Unregulated output (230 VAC / max. 2 A) for connecting a lamp,

valve … or three-wire motor connection; branched oﬀ after the

switch / input: to bypass switch

NNeutral

Regulated output to motor

Connections Cable cross section: max. 2,5 mm2

MOUNTING INSTRUCTIONS IN STEPS

Before you start mounting the MT speed controller, read carefully “Safety and

Precautions”. Then proceed with the following mounting steps:

I. For inset mounting

1. Disconnect the mains supply.

2. Remove the knob by turning it to the right, beyond the stop end and then pull.

Open the cover and unscrew the loose nut.

3. Do the wiring according to the wiring diagram (see Fig. 1) using the information

from section “Wiring and connections”.

Fig. 1 Wiring and connections

230 VAC

1 2 3

Minimum

speed

adjustment

trimmer

Fuse holder with a spare fuse

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4. Mount the internal enclosure to the wall according to the mounting dimensions

shown in Fig. 2.

Fig. 2 Mounting dimensions - inset mounting

26 33

50x50

5. Turn on the mains voltage and controller.

6. Adjust the minimal speed and turn oﬀ the controller.

7. Mount the cover with the nut.

8. Push the knob in place at oﬀ position

II. For surface mounting

1. Disconnect the mains supply.

2. Mount the external enclosure to the wall by dowels and screws (notdelivered).

Consider the mounting dimensions shown in Fig. 3.

Fig. 3 Mounting dimensions - surface mounting

3. Remove the knob by turning it to the right, beyond the stop end and then pull.

Open the cover and unscrew the loose nut.

4. Do the wiring according to the wiring diagram (see Fig. 1) using the information

from section “Wiring and connections”.

5. Mount the internal enclosure into the external enclosure by means of the

delivered screws and washers.

6. Turn on the mains voltage and controller.

7. Adjust the minimal speed and turn oﬀ the controller.

8. Mount the cover with the nut.

9. Push the knob in place at oﬀ position.

NOTE You can drill a hole (5 mm) at the bottom of the external enclosure to take away

condensed water.

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OPERATING INSTRUCTIONS

e controller is to be used only with voltage controllable fans/ motors. You can

connect several motors to the controller as long as the current limit is not exceeded.

e motor used should be protected internally against overheating.

e trimmer is adjusted so that the motor does not stop due to mains voltage

variations. e controller restarts after power failure.

In case of faulty operation

Please check if:

■the right voltage is applied.

■all connections are correct.

■the machine to be regulated is functioning.

■the fuse of the controller is OK.

In case that the fuse has blown up, remove the knob by turning it to the right, beyond

the end stop and then pull. Open the cover and unscrew the nut. Remove the fuse

holder with the help of a screwdriver. Replace the fuse. Mount all the parts back in

place.

ATTENTION Use only fuses with type and rating speciﬁed above; otherwise, loss of warranty

will ensue.

TRANSPORT AND STOCK KEEPING INFORMATION

Avoid shocks and extreme conditions; stock in original packing.

WARRANTY INFORMATION 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. e 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

dampish 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.

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