1. Вовед
The Dwyer Series TSXT Digital Temperature Switch is engineered for precise refrigeration system control. This device is compatible with both PTC and NTC temperature probe types, enabling comprehensive management of various refrigeration components including the compressor, defrost cycles, fan, alarm functions, and internal lighting. Its design supports master/slave configurations, facilitating synchronized defrost operations across multiple units. User programming is accessible via the intuitive front keypad or through the optional TS2-K programming key.
2. Производот завршиview
Слика 1: Предна страна view of the Dwyer TSXT-213 Digital Temperature Switch. The image displays the digital temperature readout, along with 'AUX', 'SET', 'Up', and 'Down' control buttons. The unit is black with a blue digital display.
The TSXT-213 features a clear digital display for temperature readings and several buttons for configuration and operation.
- Дигитален екран: Shows current temperature and programming parameters.
- Копче AUX: Auxiliary function control.
- Копче SET: Accesses and confirms programming settings.
- Копчиња горе/долу: Се движи низ менијата и ги прилагодува вредностите.
3. Спецификации
| Параметар | Вредност |
|---|---|
| Probe Range (PTC) | -58 до 302 °F (-50 до 150 °C) |
| Probe Range (NTC) | -58 до 230 °F (-50 до 110 °C) |
| Влез | PTC (1000 Ω @ 25°C) or NTC (10 KΩ @ 25°C) thermistor |
| Output (Relay 1) | SPST, 16 A @ 240 VAC resistive, 10 FLA, 60 LRA |
| Output (Relay 2) | SPST, 5 A @ 240 VAC resistive |
| Output (Relay 3) | SPST, 8 A @ 240 VAC resistive |
| Работна температура на околината | 32 до 131°F (0 до 55°C) |
| Температура на складирање | -4 до 176 °F (-20 до 80 °C) |
| Точност | ±1% FS |
| Приказ | 3-digit, plus sign |
| Резолуција | 0.1° |
| Резервна копија на меморијата | Неиспарлива меморија |
| Тежина на ставката | 7.2 унци |
| Производител | Dwyer Instruments, Inc. |
4. Поставување и инсталација
Proper installation is critical for the safe and accurate operation of the TSXT-213. Refer to the wiring diagram typically found on the unit's casing or in the full manufacturer's documentation for specific connection details.
4.1 Монтирање
The TSXT-213 is designed for panel mounting. Ensure adequate space for ventilation and access to wiring terminals. Secure the unit firmly in its designated panel cutout.
4.2 Електрични врски
- Напојување: Connect the unit to a 115 VAC power source as indicated on the wiring diagram. Ensure power is disconnected before making any connections.
- Поврзување со сонда: Connect the appropriate PTC or NTC temperature probe to the designated input terminals. Ensure correct polarity if specified by the probe type.
- Излези на реле: Connect the compressor, defrost heater, fan, alarm, and light circuits to the respective relay output terminals (Relay 1, Relay 2, Relay 3) according to your system's requirements and the wiring diagram. Observe all local electrical codes and safety standards.
- Modbus Connection (Optional): If utilizing Modbus communication, connect the Modbus lines to the appropriate terminals.
Внимание: All electrical work should be performed by qualified personnel. Disconnect all power before wiring to prevent electric shock or damage to the unit.
5. Упатства за работа
Once installed and powered, the TSXT-213 will display the current temperature. The front panel buttons allow for parameter viewing and adjustment.
5.1 Основно работење
- Viewing Temperature: The default display shows the current temperature measured by the probe.
- Adjusting Setpoints:
- Притиснете го ПОСТАВЕТЕ button to enter the setpoint adjustment mode.
- Користете го Up и Долу buttons to change the desired temperature setpoint.
- Притиснете ПОСТАВЕТЕ again to confirm and save the new setpoint.
- Accessing Parameters: Притиснете и задржете го ПОСТАВЕТЕ button for several seconds to access the programming menu. Use Up и Долу to navigate through parameters and ПОСТАВЕТЕ да изберете и потврдите.
- Функција AUX: На AUX button typically controls an auxiliary function, such as manual defrost or light control, depending on configuration. Refer to the detailed programming manual for specific AUX button functionality.
5.2 Напредно програмирање
The TSXT-213 offers extensive programming options for compressor differential, defrost cycles, fan control, alarm thresholds, and master/slave configurations. These advanced settings are accessed through the programming menu. For detailed instructions on each parameter, consult the comprehensive programming guide provided by Dwyer Instruments, Inc.
Alternatively, the optional TS2-K programming key can be used for quick and efficient configuration of multiple units.
6. Одржување
The Dwyer TSXT-213 is designed for reliable operation with minimal maintenance. Regular checks can help ensure continued performance.
- Чистење: Периодично чистете го предниот панел со мека, дamp крпа. Не користете абразивни средства за чистење или растворувачи.
- Инспекција на сондата: Inspect the temperature probe and its wiring for any signs of damage or corrosion. Ensure the probe is securely positioned in its measurement location.
- Терминални врски: Occasionally check electrical terminal connections for tightness, especially after initial installation or if the unit has been subjected to vibration.
- Ажурирања на софтверот: Проверете го производителот website for any available firmware updates or new programming guides.
Предупредување: Disconnect power to the unit before performing any maintenance or cleaning to prevent electric shock.
7 Смена на проблеми
This section provides solutions to common issues encountered with the TSXT-213. For problems not listed here, contact technical support.
| Проблем | Можна причина | Решение |
|---|---|---|
| Екранот е празен | No power; incorrect wiring; internal fault. | Check power supply and wiring connections. Ensure 115 VAC is present. If power is confirmed, contact support. |
| Неправилно отчитување на температурата | Faulty probe; incorrect probe type selected in settings; poor probe connection. | Verify probe type (PTC/NTC) matches setting. Check probe wiring for damage or loose connections. Test probe if possible. Replace probe if faulty. |
| Релејните излези не се активираат | Setpoint not met; programming error; faulty relay. | Check setpoint and differential settings. Review programming parameters. Verify load connections. If all settings are correct and load is functional, relay may be faulty. |
| Единицата не реагира на притискање на копчињата | Unit locked; internal fault. | Check if the keypad is locked (refer to programming manual). Power cycle the unit. If issue persists, contact support. |
8. Гаранција и поддршка
For specific warranty information regarding the Dwyer TSXT-213 Digital Temperature Switch, please refer to the documentation included with your purchase or visit the official Dwyer Instruments, Inc. webстраница. Условите за гаранција може да варираат.
For technical assistance, troubleshooting beyond this manual, or to inquire about replacement parts, please contact Dwyer Instruments, Inc. customer support directly. Contact details can typically be found on the manufacturer's webлокација или пакување на производот.
Производител: Dwyer Instruments, Inc.
Webсајт: www.dwyer-inst.com