Sentera Controls SER-1 Series Manual de servicio

Mounting and operating instructions

230 VAC TRANSFORMER

CONTROLLER WITH SMOKE

EVACUATION BUTTON

SER-1

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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 DIAGRAM 5

WIRING AND CONNECTIONS 5

MOUNTING INSTRUCTIONS IN STEPS 5

VERIFICATION OF INSTALLATION 7

TRANSPORT AND STORAGE 8

WARRANTY AND RESTRICTIONS 8

MAINTENANCE 8

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SAFETY AND PRECAUTIONS

Read all the information, the datasheet, mounting and operating instructions and

study the wiring and connection diagram 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

of the product are inadmissible.

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

temperatures, direct sunlight or vibrations. Long-term exposure to chemical

vapours in high concentration can aﬀect the product performance. Make sure the

work environment is as dry as possible; avoid condensation.

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

electrical standards and approved codes. is 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 or repairing the product.

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

appropriate wire 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 these

should be disposed of 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 SER-1 series of transformer fan speed controllers regulate the rotational speed

of single-phase voltage controllable motors by varying the output voltage. ey are

equipped with an auto-transformer and control the speed manually in ﬁve steps.

e technology used provides a regulated output voltage with a perfect sinusoidal

shape. e controllers feature an emergency button for smoke extraction.

ARTICLE CODES

Article code Rated max. current [A] Fuse (5*20 mm) [A]

SER-1-35L22 3,5 F: T-5,0 A-H

SER-1-50L22 5,0 F: T-8,0 A-H

SER-1-75L22 7,5 F: T-12,5 A-H

INTENDED AREA OF USE

■Fan speed control of voltage controllable motors (pumps and fans) in ventilation

systems

■For indoor use only

TECHNICAL DATA

■Supply voltage: 230 VAC / 50—60 Hz

■Emergency button (red) to switch the fan to maximum speed (for smoke extraction)

■5-step rotary switch for manual control plus oﬀ-position

■Unregulated output: 230 VAC

■5-step rotary switch for manual control plus oﬀ-position

■LED status indication

■Enclosure: plastic (R-ABS, UL94-V0, grey RAL 7035)

■Protection standard: IP54 (according to EN 60529)

■Operating ambient conditions:

►Temperature: -20—35 °C

►Rel. humidity: 5—95 % rH (non-condensing)

STANDARDS

■Low Voltage Directive 2014/35/EC

■EMC Directive 2014/30/EC: EN 61326

■WEEE Directive 2012/19/EC

■RoHs Directive 2011/65/EC

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OPERATIONAL DIAGRAM

L22 series

0123 45

230

190

170

140

110

U [VAC]

Knob position

Regulated output (U)

Unregulated output (L1)

WIRING AND CONNECTIONS

L Power supply, line (230 VAC / 50—60 Hz)

NPower supply, neutral

Unregulated output, neutral

L1 Unregulated output, line

N Regulated output to motor, neutral

U Regulated output to motor, line

RB Input - normally open contact for external remote button to switch the

motor to maximum speed (smoke evacuation)

Pe Earth terminal

ATTENTION Make sure you use cables with an appropriate diameter.

MOUNTING INSTRUCTIONS IN STEPS

Before you start mounting the unit, read carefully “Safety and Precautions”and

follow these steps. Choose a smooth solid surface for installation (a wall, panel,

etc.).

Follow these steps:

1. Unscrew the front cover and open the enclosure. Mind the wires that connect

the rotary switch with the autotransformer or with the printed circuit board,

depending on the product version.

2. Fix the unit onto the wall or panel using the provided screws and dowels. Mind the

correct mounting position and unit mounting dimensions. (See Fig. 1 Mounting

dimensions and Fig. 2 Mounting position.)

3. Pay attention to the following instructions in order to minimize the operating

temperature:

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3.1 Respect the distances both between the wall / ceiling and the device and

between two devices as shown in Fig. 2. In order to ensure suﬃcient

ventilation of the controller, clearance on every side has to be maintained.

3.2 When installing the device, please keep in mind that the higher you install

it, the warmer the device will get. For example, in a technical room the

correct installation height can be of great importance.

3.3 If maximum ambient temperature cannot be adhered to, please provide

extra forced ventilation / cooling.

Not respecting the abovelisted rules can reduce service life and relieves the

manufacturer of any responsibilities.

Fig. 1 Mounting dimensions Fig. 2 Mounting position

Article code A

[mm] B

[mm] C

[mm] D

[mm] E

[mm]

SER-1-35L22 170 255 140 155 194

SER-1-50L22 170 255 140 155 194

SER-1-75L22 200 305 140 183 236

Correct Incorrect

50 mm50 mm

75 mm

50 mm

Wall

4. Insert the cables through the cable glands and do the wiring according to the

wiring diagram (see Fig. 3) while adhering to the information from section

“Wiring and connections” above.

4.1 Connect the power supply line (terminals L, N and Pe);

4.2 Connect the motor(s) (terminals U, N and Pe);

4.3 If applicable, connect the unregulated output (L1 and N). It can be used to

supply a 230 VAC valve, lamp, etc. when the knob is not at ‘0’ position (see

Table 1 below).

4.4 If applicable, connect the RB contacts for external remote button to switch

the motor to maximum speed (to evacuate smoke).

ATTENTION A safety isolator / disconnect switch should be installed on the mains electricity

side of all motor drives.

Fig. 3 Wiring and connections

OUT

230 VAC

LNPe RBRBL1 NU

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ATTENTION Make sure the connections are correct before you power the unit.

5. Close the cover and secure it with the screws.

6. Turn the knob at ‘0’.

7. Tighten the cable glands.

8. Switch on the mains supply.

9. Make sure the transformer controller can operate normally (consider an isolating

switch).

10.Turn the knob into the relevant position to adjust the output voltage.

Optional settings

e standard conﬁguration of the output voltages is as indicated in Table 1 below.

However, because more than 5 output voltages are available, it is possible to adjust

the 5 steps by changing the internal wiring.

Table 1 Voltage

Knob position 0 1 2 3 4 - 5

Wires -

Regulated output [VAC]

Voltages** 080 110 140 170 190* 230

Unregulated output [VAC]

L1 0230 230 230 230 230* 230

* Available but not connected.

** When more than 5 output voltages are available, it is possible to adjust the 5 steps by

changing the internal wiring.

To extract smoke, press the emergency button. e motor will immediately

accelerate towards full speed. If necessary an optional, remotely installed

emergency push button can be used to activate smoke extraction. e built-in

emergency push button needs to be turned to reset.

NOTE

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 to indicate that the controller is supplied.

Safe operation depends on proper installation. Before start up, ensure the following:

■e mains supply is connected correctly.

■Protection is provided against electrical shock.

■e cables are the appropriate size and fuse-protected.

■ere is suﬃcient air ﬂow around the unit.

230 VAC TRANSFORMER CONTROLLER WITH

SMOKE EVACUATION BUTTON

SER-1

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230 VAC TRANSFORMER CONTROLLER WITH

SMOKE EVACUATION BUTTON

SER-1

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

ATTENTION e unit is supplied with electrical energy at voltages high enough to inﬂict personal

injury or threat to health. Take the relevant safety measures.

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. 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

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.

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