1. Муқаддима
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. Маҳсулот ба охир расидview
Расми 1: Пеш 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.
- Намоиши рақамӣ: Shows current temperature and programming parameters.
- Тугмаи AUX: Auxiliary function control.
- Тугмаи SET: Accesses and confirms programming settings.
- Тугмаҳои боло/поён: Менюҳоро паймоиш мекунад ва арзишҳоро танзим мекунад.
3. Мушаххасоти
| Параметр | Арзиш |
|---|---|
| Probe Range (PTC) | -58 то 302°F (-50 то 150°C) |
| Probe Range (NTC) | -58 то 230°F (-50 то 110°C) |
| Вуруд | 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 |
| Ҳарорати кори муҳити зист | 32 то 131°F (0 то 55°C) |
| Ҳарорати нигоҳдорӣ | -4 то 176°F (-20 то 80°C) |
| Дақиқӣ | ±1% FS |
| Намоиш | 3-digit, plus sign |
| Резолюция | 0.1° |
| Захираи хотира | Хотираи ғайрифаъол |
| Вазни ашё | 7.2 унция |
| Истеҳсолкунанда | Dwyer Instruments, Inc. |
4. Танзим ва насб
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 Васлкунӣ
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 Пайвастҳои барқӣ
- Таъмини нерӯ: Connect the unit to a 115 VAC power source as indicated on the wiring diagram. Ensure power is disconnected before making any connections.
- Пайвастшавии зонд: Connect the appropriate PTC or NTC temperature probe to the designated input terminals. Ensure correct polarity if specified by the probe type.
- Натиҷаҳои 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.
Огоҳӣ: All electrical work should be performed by qualified personnel. Disconnect all power before wiring to prevent electric shock or damage to the unit.
5. Дастурҳои истифодабарӣ
Once installed and powered, the TSXT-213 will display the current temperature. The front panel buttons allow for parameter viewing and adjustment.
5.1 Амалиёти асосӣ
- Viewing Temperature: The default display shows the current temperature measured by the probe.
- Adjusting Setpoints:
- -ро пахш кунед САТ button to enter the setpoint adjustment mode.
- -ро истифода баред Up ва Поён buttons to change the desired temperature setpoint.
- пахш кунед САТ again to confirm and save the new setpoint.
- Accessing Parameters: -ро пахш карда нигоҳ доред САТ button for several seconds to access the programming menu. Use Up ва Поён to navigate through parameters and САТ интихоб ва тасдиқ кунед.
- Функсияи AUX: Дар 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 Барномасозии мукаммал
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. Нигоҳдорӣ
The Dwyer TSXT-213 is designed for reliable operation with minimal maintenance. Regular checks can help ensure continued performance.
- Тозакунӣ: Periodically clean the front panel with a soft, damp матоъ. Тозакунанда ё ҳалкунандаҳои абразивиро истифода набаред.
- Санҷиши санҷиш: Inspect the temperature probe and its wiring for any signs of damage or corrosion. Ensure the probe is securely positioned in its measurement location.
- Пайвастҳои терминал: Occasionally check electrical terminal connections for tightness, especially after initial installation or if the unit has been subjected to vibration.
- Навсозии нармафзор: Истеҳсолкунандаро санҷед website for any available firmware updates or new programming guides.
Огоҳӣ: Disconnect power to the unit before performing any maintenance or cleaning to prevent electric shock.
7. Баррасии мушкилот
This section provides solutions to common issues encountered with the TSXT-213. For problems not listed here, contact technical support.
| Мушкилот | Сабаби эҳтимолӣ | Ҳалли |
|---|---|---|
| Намоиш холӣ аст | No power; incorrect wiring; internal fault. | Check power supply and wiring connections. Ensure 115 VAC is present. If power is confirmed, contact support. |
| Хониши нодурусти ҳарорат | 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. |
| Relay outputs not activating | 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. |
| Дастгоҳ ба пахшкунии тугмаҳо ҷавоб намедиҳад | Unit locked; internal fault. | Check if the keypad is locked (refer to programming manual). Power cycle the unit. If issue persists, contact support. |
8. Кафолат ва дастгирӣ
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. webсайт. Шартҳо ва шартҳои кафолат метавонанд фарқ кунанд.
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 webсайт ё бастабандии маҳсулот.
Истеҳсолкунанда: Dwyer Instruments, Inc.
Webсайт: www.dwyer-inst.com
