1. Introducere
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. Produs terminatview
Figura 1: Faţă 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.
- Ecran digital: Shows current temperature and programming parameters.
- Buton AUX: Auxiliary function control.
- Buton SET: Accesses and confirms programming settings.
- Butoane Sus / Jos: Navighează prin meniuri și ajustează valorile.
3. Specificații
| Parametru | Valoare |
|---|---|
| Probe Range (PTC) | -58 până la 302°F (-50 până la 150°C) |
| Probe Range (NTC) | -58 până la 230°F (-50 până la 110°C) |
| Intrare | 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 |
| Temperatura ambiantă de funcționare | 32 până la 131 °F (0 până la 55 °C) |
| Temperatura de depozitare | -4 până la 176°F (-20 până la 80°C) |
| Precizie | ±1% FS |
| Afişa | 3-digit, plus sign |
| Rezoluţie | 0.1° |
| Backup de memorie | Memorie nevolatilă |
| Greutatea articolului | 7.2 uncii |
| Producător | Dwyer Instruments, Inc. |
4. Configurare și instalare
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 Montare
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 Conexiuni electrice
- Alimentare electrică: Connect the unit to a 115 VAC power source as indicated on the wiring diagram. Ensure power is disconnected before making any connections.
- Conexiunea sondei: Connect the appropriate PTC or NTC temperature probe to the designated input terminals. Ensure correct polarity if specified by the probe type.
- Ieșiri releu: 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.
Atenţie: All electrical work should be performed by qualified personnel. Disconnect all power before wiring to prevent electric shock or damage to the unit.
5. Instrucțiuni de utilizare
Once installed and powered, the TSXT-213 will display the current temperature. The front panel buttons allow for parameter viewing and adjustment.
5.1 Operare de bază
- Viewing Temperature: The default display shows the current temperature measured by the probe.
- Adjusting Setpoints:
- Apăsați tasta SET button to enter the setpoint adjustment mode.
- Utilizați Up şi Jos buttons to change the desired temperature setpoint.
- Presa SET din nou pentru a confirma și salva noua valoare de referință.
- Accesarea parametrilor: Țineți apăsat butonul SET button for several seconds to access the programming menu. Use Up şi Jos to navigate through parameters and SET pentru a selecta și confirma.
- Funcția AUX: The 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 Programare avansată
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. Întreținere
The Dwyer TSXT-213 is designed for reliable operation with minimal maintenance. Regular checks can help ensure continued performance.
- curatenie: Curățați periodic panoul frontal cu o lavetă moale,amp pânză. Nu utilizați agenți de curățare abrazivi sau solvenți.
- Inspecția sondei: Inspect the temperature probe and its wiring for any signs of damage or corrosion. Ensure the probe is securely positioned in its measurement location.
- Conexiuni terminale: Occasionally check electrical terminal connections for tightness, especially after initial installation or if the unit has been subjected to vibration.
- Actualizări de software: Verifică-l pe cel al producătorului website for any available firmware updates or new programming guides.
Avertizare: Disconnect power to the unit before performing any maintenance or cleaning to prevent electric shock.
7. Depanare
This section provides solutions to common issues encountered with the TSXT-213. For problems not listed here, contact technical support.
| Problemă | Cauza posibila | Soluţie |
|---|---|---|
| Afișajul este gol | No power; incorrect wiring; internal fault. | Check power supply and wiring connections. Ensure 115 VAC is present. If power is confirmed, contact support. |
| Citirea incorectă a temperaturii | 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. |
| Unitatea nu răspunde la apăsările butoanelor | Unit locked; internal fault. | Check if the keypad is locked (refer to programming manual). Power cycle the unit. If issue persists, contact support. |
8. Garanție și asistență
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. website. Termenii și condițiile de garanție pot varia.
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 webamplasamentul sau ambalajul produsului.
Producător: Dwyer Instruments, Inc.
Website: www.dwyer-inst.com