1. Producte acabatview
The CHNT DTSU666 is a three-phase smart energy meter designed for accurate measurement of electrical energy. It features a digital display for real-time data and is suitable for DIN rail mounting. This manual provides essential information for the safe and efficient use of your energy meter.

2. Informació de seguretat
Please read all safety instructions before installation and operation. Improper installation or use can lead to electric shock, fire, or damage to the device. Only qualified personnel should perform installation and maintenance.
- Ensure power is disconnected before any installation or wiring.
- Do not operate the meter in environments exceeding its specified temperature and humidity limits.
- Do not open the meter casing; no hi ha peces a l'interior que l'usuari pugui reparar.
3. Instal·lació i configuració
3.1 Muntatge
The DTSU666 meter is designed for DIN rail mounting. Ensure the mounting location is stable, dry, and free from excessive vibration or direct sunlight.
- Attach the meter securely to a standard 35mm DIN rail.
- Ensure proper ventilation around the meter.

3.2 Connexions de cablejat
The DTSU666 is a three-phase meter. Connect the power supply and load according to the wiring diagram. Ensure all connections are tight and correct to prevent malfunction or damage.

The meter typically features 6 terminals for three-phase connections. Refer to the labels on the meter for specific input/output terminals for each phase (L1, L2, L3) and neutral (N).
4. Instruccions de funcionament
4.1 Mostra finalview
The DTSU666 features an LCD display that shows various electrical parameters. The display typically cycles through different measurements or can be manually navigated.
4.2 Funcions dels botons
The meter is equipped with control buttons (SET, ESC, and an arrow button) for navigating the display and configuring settings.
- Botó SET: Used to enter configuration menus or confirm selections.
- Botó ESC: Used to exit menus or cancel operations.
- Botó de fletxa: Used to scroll through display parameters or adjust values in configuration mode.
Specific navigation and configuration steps may vary slightly depending on the firmware version. Consult the on-screen prompts for guidance.

4.3 Real-time Measurement
The meter provides real-time measurements including:
- Electric Energy (kWh)
- Voltage (V)
- Corrent (A)
- Potència (W)
- Factor de potència (PF)
- Freqüència (Hz)
These values can be viewed by cycling through the display using the arrow button.
5. Manteniment
The CHNT DTSU666 Smart Energy Meter requires minimal maintenance.
- Mantingueu el mesurador net i lliure de pols. Feu servir un drap suau i sec per netejar-lo.
- No utilitzeu netejadors abrasius ni dissolvents.
- Periodically check wiring connections for tightness and signs of wear or corrosion.
- Assegureu-vos que l'entorn de funcionament es mantingui dins dels rangs de temperatura i humitat especificats.
6. Solució De Problemes
If you encounter issues with your DTSU666 meter, consider the following common troubleshooting steps:
- Sense pantalla: Check the power supply connections. Ensure the voltage està dins del rang de funcionament especificat.
- Lectures incorrectes: Verify all wiring connections are correct according to the diagram. Ensure the current transformers (if used) are correctly installed and oriented.
- El comptador no respon: Try cycling the power to the meter (turn off and on). If the issue persists, contact technical support.
- Communication Issues (if RS485 equipped): Check RS485 wiring for correct polarity and termination. Verify communication settings (baud rate, parity, address) match the connected device.
7. Especificacions
| Paràmetre | Especificació |
|---|---|
| Model | DTSU666 |
| Fase | Trifàsica |
| Voltage | 3x220/380V ... 3x240/415V (220V nominal) |
| Especificació actual | 5(80)A |
| Freqüència de referència | 50/60Hz |
| Classe de precisió | Nivell 1 |
| Mesura del rang d'energia | 0-99999999 kWh |
| Mode de visualització | LCD display code segment |
| Dimensions | 126 mm x 89.5 mm x 75 mm |
| Dimensió general | 85 mm x 36 mm x 65 mm |
| Interval de temperatura de funcionament | -40 °C ~ 70 °C |
| Power Waste | Voltage circuit: ≤ 1W / 5VA; Current loop: ≤ 2 VA |
| Funció de comunicació | Optional RS485 (model dependent) |
| Certificació | CE |
Note: Some specifications, particularly regarding communication features, may vary by specific model variant. The 'Deye 80A' in the product title suggests compatibility or integration with Deye systems, which often utilize communication protocols.

8. Garantia i Suport
8.1 Informació de la garantia
The CHNT DTSU666 Smart Energy Meter typically comes with a warranty period of 3 months to 1 year, depending on the region and seller. Please retain your proof of purchase for warranty claims.
8.2 Suport tècnic
For technical assistance, troubleshooting beyond this manual, or warranty inquiries, please contact your point of purchase or the official CHNT customer support channels.
9. Consells d'usuari
- Seguiment periòdic: Periodically check the meter's display to monitor energy consumption and ensure proper operation.
- Control ambiental: While the meter has a wide operating temperature range, avoiding extreme conditions can prolong its lifespan.
- Documentació: Keep this manual and any installation diagrams in a safe place for future reference.





