Sentera Controls GTTE1 Service-Handbuch

GTTE1 TRANSFORMER FAN SPEED

CONTROLLER WITH ELECTRIC

HEATING CONTROL

Mounting and operating instructions

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

Table of contents

SAFETY AND PRECAUTIONS 3

PRODUCT DESCRIPTION 4

ARTICLE CODES 4

INTENDED AREA OF USE 4

TECHNICAL DATA 4

STANDARDS 5

OPERATIONAL DIAGRAMS 5

WIRING AND CONNECTIONS 5

MOUNTING INSTRUCTIONS IN STEPS 6

OPERATING INSTRUCTIONS 7

VERIFICATION OF INSTALLATION 8

TRANSPORT AND STORAGE 9

WARRANTY AND RESTRICTIONS 9

MAINTENANCE 9

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

SAFETY AND PRECAUTIONS

Read all the information, the datasheet, Modbus map, 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 contact 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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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

PRODUCT DESCRIPTION

e GTTE1 series of transformer fan speed controllers regulate the rotational

speed of single-phase voltage controllable motors by varying the output voltage

according to a measured temperature. ey are equipped with auto-transformer(s)

and control the speed of the supply and extraction fan automatically in ﬁve steps

according to the temperature input of the ready connected ﬂying lead sensor. An

electric heater can be controlled (ON/OFF) via the extra output. e GTTE1 series

are pre-wired and do have integrated sockets for fans and heater.

ARTICLE CODES

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

GTTE1-35L22 3,5 A T 5,0 A-H (5*20 mm)

GTTE1-75L22 7,5 A T 12,5 A-H (5*20 mm)

INTENDED AREA OF USE

■Ventilation control by single phase 230 VAC units in function of the measured

temperature. Application ﬁeld: greenhouses, stables, sheds, etc.

■Temperature controlled ventilation systems

■For indoor use only

TECHNICAL DATA

■2 Schuko Euro sockets for connecting a supply and / or extraction fan

■1 Schuko Euro socket for connecting an electric heater (Imax. 16 A)

■Power cables with plugs 230 VAC / 16 A

■Ready connected 4 m ﬂying lead PT500 temperature probe

■All sockets are separately and externally fused

■Integrated external plate for easy wall ﬁxing

■Temperature ON/OFF control for electrical heater (16 A)

■Potentiometer for temperature setpoint range: 21—35 °C

■Rotary switches for minimum and maximum speed setting

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

■Protection standard: IP54 (according to EN 60529)

■Operating ambient conditions:

►Temperature: -10—40 °C

►Rel. humidity: 5—80 % rH (non-condensing)

STANDARDS

■Low Voltage Directive 2014/35/EC

►EN 60335-1:2012

■EMC Directive 2014/30/EC:

►EN 61000-6-3:2007/A1:2011/AC:2012, EN 61000-6-2:2005/AC:2005

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

OPERATIONAL DIAGRAMS

Fan speed control Heater control

Ts 3521

Fan

speed

[VAC]

OFF

Temperature setpoint

Min. fan speed: 80—190 VAC

Max. fan speed: 140—230 VAC

Proportional

range

T [°C]

Heater ON/OFF temp = Ts [°C]

Temperature setpoint

0,2

355

Relay

Heater

OFF

T [°C]

Proportional

range

WIRING AND CONNECTIONS

Wiring and connections

MIN.SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX.SPEED

(VAC)

230

190

170

140

1 - Standard power supply Euro

plug cable for heater (1,5 m) Power supply 230 VAC / 50—60 Hz

2 - Standard power supply Euro

plug cable for controller (1,5 m) Power supply 230 VAC / 50—60 Hz

3 - Temperature sensor probe

Length 4 m, connected to PT500

Resistance 500 Ω at 0 °C

Sensor measuring range -30—70 °C

4 - AC extraction fan socket

Load connection

230 VAC / 50—60 Hz

5 - AC supply fan socket

6 - Heater socket 230 VAC / 50—60 Hz;

Imax 16 A (3 kW)

7 - Temperature setpoint

potentiometer Operating range 21—35 °C, 1 °C scale

8 - Minimum regulated output

voltage via rotary switch* 80 / 140 / 170 / 190 VAC

9 - Maximum regulated output

voltage via rotary switch* 140 / 170 / 190 / 230 VAC

* Of both pulsion and extraction fan. Pulsion and extraction fans operate at identical speed.

ATTENTION Make sure you use cables with an appropriate diameter to connect the fans to

the GTTE1 controller.

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

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. Drill holes into the surface and secure the fastenings (hooks, wall plugs, etc.)into

them. Mind the correct mounting position and unit mounting dimensions. (See

Fig. 1 Mounting dimensions and Fig. 2 Mounting position.).

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

temperature:

2.1 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.

2.2 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.

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

extra forced ventilation / cooling.

2.4 Leave suﬃcient space around the unit (for load connecting to the sockets).

Allow at least 90—100 mm for connection maintenance (to insert plug/

plugs into the sockets).

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

manufacturer of any responsibilities.

ATTENTION It is recommended to install appropriate protective circuit on the input as

this transformer controller is not internally short-circuit proof. Recommended

automatic circuit breaker with “C” characteristics should be selected according to

the transformer rated maximum current.

ATTENTION Do not install the controller above heating equipment.

Fig. 1 Mounting dimensions Fig. 2 Mounting position

166

320

215

MAX

MIN.SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX.SPEED

(VAC)

230

190

170

140

Correct Incorrect

166

4xØ6

294

MIN.SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX.SPEED

(VAC)

230

190

170

140

MIN.SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX.SPEED

(VAC)

230

190

170

140

3. Fix the unit onto the wall / panel.

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

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

side of all motor drives.

ATTENTION e controller must be properly earthed.

ATTENTION e Schuko sockets are intended only for connecting two fans and a heater. e

total load connected to sockets must not exceed the rated maximum current of

the GTTE1 controller. Do not plug other types of electric appliances into them!

OPERATING INSTRUCTIONS

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

ATTENTION Make sure the mains supply voltage is within the admissible rated maximum

current of the product.

1. Switch oﬀ the mains power supply before connecting any power cables.

2. Plug the load (fans and heater) cables into the socket according to the connecting

diagram.

3. Install the PT500 temperature probe in an appropriate zone in order to measure

the relevant ambient temperature.

4. Plug the GTTE1 into the mains electricity network.

5. Select the temperature setpoint using the temperature potentiometer (Fig. 3).

6. Set the minimum and maximum fan speed using the switches (Fig. 3).

Fig. 5 Knob positions

a. Temperature set point

selection

b. Minimum fan speed

selection

c. Maximum fan speed

selection

MIN. SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX. SPEED

(VAC)

230

190

170

140

MIN. SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX. SPEED

(VAC)

230

190

170

140

MIN. SPEED

(VAC)

190

170

140

TEMP.

23° 33°

25°

27° 29°

31°

MAX. SPEED

(VAC)

230

190

170

140

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

VERIFICATION OF INSTALLATION

ATTENTION Use only tools and equipment with non-conducting handles when working on

electrical devices.

To check the operation of the controller, do the following:

1. Set the temperature to the minimum position (21 °C).

1.1 e connected fans must run at maximum speed (if the diﬀerence between

the setpoint temperature and ambient is 2 °C higher than the selected

setpoint value).

1.2 e electric heater must be OFF.

2. Set the temperature setpoint to the maximum position (35 °C).

2.1 e connected fans must run at minimum speed (80 VAC) (if the measured

temperature is below the setpoint value).

2.2 e electric heater must be ON.

If the unit does not work according to the instructions, the wiring connections and

settings need to be checked.

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.

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 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. e manufacturer bears no responsibility for any misprints or

mistakes in this data.

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GTTE1 TRANSFORMER FAN SPEED CONTROLLER WITH

ELECTRIC HEATING CONTROL

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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