1. المقدمة
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. انتهى المنتجview
الشكل 1: أمام 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.
- عرض رقمي: Shows current temperature and programming parameters.
- زر AUX: التحكم في الوظائف المساعدة.
- زر SET: Accesses and confirms programming settings.
- أزرار أعلى / أسفل: التنقل عبر القوائم وضبط القيم.
3. المواصفات
| المعلمة | قيمة |
|---|---|
| Probe Range (PTC) | -58 إلى 302 درجة فهرنهايت (-50 إلى 150 درجة مئوية) |
| Probe Range (NTC) | -58 إلى 230 درجة فهرنهايت (-50 إلى 110 درجة مئوية) |
| مدخل | 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 |
| درجة حرارة التشغيل المحيطة | 32 إلى 131 درجة فهرنهايت (0 إلى 55 درجة مئوية) |
| درجة حرارة التخزين | -4 إلى 176 درجة فهرنهايت (-20 إلى 80 درجة مئوية) |
| دقة | ±1% من المواد الصلبة الذائبة |
| عرض | 3-digit, plus sign |
| دقة | 0.1° |
| نسخة إحتياطية للذاكرة | الذاكرة غير المتطايرة |
| وزن العنصر | 7.2 أونصات |
| الشركة المصنعة | دوير إنسترومنتس ، إنك. |
4. الإعداد والتثبيت
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 التركيب
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.
عدد 4.2 توصيلات كهربائية
- مزود الطاقة: Connect the unit to a 115 VAC power source as indicated on the wiring diagram. Ensure power is disconnected before making any connections.
- اتصال التحقيق: Connect the appropriate PTC or NTC temperature probe to the designated input terminals. Ensure correct polarity if specified by the probe type.
- مخرجات التتابع: 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.
حذر: All electrical work should be performed by qualified personnel. Disconnect all power before wiring to prevent electric shock or damage to the unit.
5. تعليمات التشغيل
Once installed and powered, the TSXT-213 will display the current temperature. The front panel buttons allow for parameter viewوالتعديل.
5.1 التشغيل الأساسي
- Viewدرجة حرارة التشغيل: The default display shows the current temperature measured by the probe.
- Adjusting Setpoints:
- اضغط على تعيين زر للدخول إلى وضع ضبط نقطة الضبط.
- استخدم Up و تحت buttons to change the desired temperature setpoint.
- يضعط تعيين again to confirm and save the new setpoint.
- الوصول إلى المعلمات: اضغط مع الاستمرار على تعيين button for several seconds to access the programming menu. Use Up و تحت to navigate through parameters and تعيين للاختيار والتأكيد.
- وظيفة AUX: ال مدخل مساعد 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 البرمجة المتقدمة
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. الصيانة
The Dwyer TSXT-213 is designed for reliable operation with minimal maintenance. Regular checks can help ensure continued performance.
- تنظيف: نظف اللوحة الأمامية بشكل دوري بقطعة قماش ناعمة.amp القماش. لا تستخدم المنظفات أو المذيبات الكاشطة.
- فحص المسبار: Inspect the temperature probe and its wiring for any signs of damage or corrosion. Ensure the probe is securely positioned in its measurement location.
- اتصالات المحطة الطرفية: Occasionally check electrical terminal connections for tightness, especially after initial installation or if the unit has been subjected to vibration.
- تحديثات البرامج: تحقق من الشركة المصنعة website for any available firmware updates or new programming guides.
تحذير: Disconnect power to the unit before performing any maintenance or cleaning to prevent electric shock.
7. استكشاف الأخطاء وإصلاحها
This section provides solutions to common issues encountered with the TSXT-213. For problems not listed here, contact technical support.
| مشكلة | السبب المحتمل | حل |
|---|---|---|
| العرض فارغ | No power; incorrect wiring; internal fault. | Check power supply and wiring connections. Ensure 115 VAC is present. If power is confirmed, contact support. |
| قراءة غير صحيحة لدرجة الحرارة | 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. |
| لا يتم تفعيل مخارج المرحل | 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. |
| الوحدة لا تستجيب للضغط على الأزرار | Unit locked; internal fault. | Check if the keypad is locked (refer to programming manual). Power cycle the unit. If issue persists, contact support. |
8. الضمان والدعم
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. webقد تختلف شروط وأحكام الضمان.
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 webتغليف الموقع أو المنتج.
الشركة المصنعة: دوير إنسترومنتس ، إنك.
Webموقع: www.dwyer-inst.com
