1. 서론
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. 제품 오버view
그림 1: 앞쪽 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.
- 디지털 디스플레이: Shows current temperature and programming parameters.
- 보조 버튼: Auxiliary function control.
- 설정 버튼: Accesses and confirms programming settings.
- 위/아래 버튼: 메뉴를 탐색하고 값을 조정합니다.
3. 사양
| 매개변수 | 값 |
|---|---|
| Probe Range (PTC) | -58 ~ 302°F(-50 ~ 150°C) |
| Probe Range (NTC) | -58 ~ 230°F(-50 ~ 110°C) |
| 입력 | 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 |
| 주변 작동 온도 | 32~131°F(0~55°C) |
| 보관 온도 | -4 ~ 176°F(-20 ~ 80°C) |
| 정확성 | ±1% 자유도 |
| 표시하다 | 3-digit, plus sign |
| 해결 | 0.1° |
| 메모리 백업 | 비휘발성 메모리 |
| 품목 무게 | 7.2 온스 |
| 제조업체 | 드와이어 인스트루먼트, Inc. |
4. 설정 및 설치
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 장착
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 전기 연결
- 전원 공급 장치: Connect the unit to a 115 VAC power source as indicated on the wiring diagram. Ensure power is disconnected before making any connections.
- 프로브 연결: Connect the appropriate PTC or NTC temperature probe to the designated input terminals. Ensure correct polarity if specified by the probe type.
- 릴레이 출력: 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.
주의: All electrical work should be performed by qualified personnel. Disconnect all power before wiring to prevent electric shock or damage to the unit.
5. 사용 설명서
Once installed and powered, the TSXT-213 will display the current temperature. The front panel buttons allow for parameter view조정 및 조정.
5.1 기본 작업
- View온도: The default display shows the current temperature measured by the probe.
- Adjusting Setpoints:
- 를 누르세요 세트 button to enter the setpoint adjustment mode.
- 사용하세요 Up 그리고 아래에 buttons to change the desired temperature setpoint.
- 누르다 세트 새로운 설정값을 다시 확인하고 저장하세요.
- 매개변수 접근: 를 누르고 계세요 세트 button for several seconds to access the programming menu. Use Up 그리고 아래에 to navigate through parameters and 세트 선택하고 확인하세요.
- 보조 기능: 그만큼 보조 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 고급 프로그래밍
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. 유지관리
The Dwyer TSXT-213 is designed for reliable operation with minimal maintenance. Regular checks can help ensure continued performance.
- 청소: 전면 패널을 주기적으로 부드러운 천으로 닦아주세요.amp 천. 연마성 세척제나 용매를 사용하지 마십시오.
- 프로브 검사: Inspect the temperature probe and its wiring for any signs of damage or corrosion. Ensure the probe is securely positioned in its measurement location.
- 터미널 연결: Occasionally check electrical terminal connections for tightness, especially after initial installation or if the unit has been subjected to vibration.
- 소프트웨어 업데이트: 제조사 확인해보세요 website for any available firmware updates or new programming guides.
경고: Disconnect power to the unit before performing any maintenance or cleaning to prevent electric shock.
7. 문제 해결
This section provides solutions to common issues encountered with the TSXT-213. For problems not listed here, contact technical support.
| 문제 | 가능한 원인 | 해결책 |
|---|---|---|
| 디스플레이가 비어 있습니다. | No power; incorrect wiring; internal fault. | Check power supply and wiring connections. Ensure 115 VAC is present. If power is confirmed, contact support. |
| 잘못된 온도 판독값 | 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. |
| 버튼을 눌러도 장치가 응답하지 않습니다. | Unit locked; internal fault. | Check if the keypad is locked (refer to programming manual). Power cycle the unit. If issue persists, contact support. |
8. 보증 및 지원
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. web사이트. 보증 약관은 다를 수 있습니다.
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 web사이트 또는 제품 포장.
제조업체: 드와이어 인스트루먼트, Inc.
Web대지: www.dwyer-inst.com