Introduction
This manual provides essential information for the safe and effective installation, operation, and maintenance of the Walfront CHLT-40PV 3P 20KA-40KA Photovoltaic Protective Device. This device is designed to protect DC power systems, specifically photovoltaic (solar) installations, from overvoltage events caused by lightning strikes or other transient surges. Please read this manual thoroughly before installation and keep it for future reference.
Коопсуздук маалыматы
ЭСКЕРТҮҮ: Electrical shock hazard. Installation and maintenance should only be performed by qualified personnel. Always disconnect power before working on the device or connected systems.
- Бардык жергиликтүү жана улуттук электр коддору сакталганын текшериңиз.
- Системаны текшерүү томtage and current ratings are compatible with the device specifications.
- Эгер аппарат бузулуп калса, аны иштетпеңиз.
- Орнотуу жана тейлөө учурунда тиешелүү жеке коргонуу шаймандарын (ЖКК) кийиңиз.
- This device is designed for DC photovoltaic systems. Do not use in AC systems.
Продукт бүттүview
The Walfront CHLT-40PV is a 3-pole DC surge protective device (SPD) designed for photovoltaic applications. It features a modular design for easy installation and replacement. The device provides protection against transient overvoltages, safeguarding sensitive electronic equipment in solar power systems.

1-сүрөт: жогорудан ылдыйга view of the Walfront CHLT-40PV device, showing the three protective modules.
Негизги өзгөчөлүктөрү:
- 3-Pole Design: Provides comprehensive protection for DC circuits.
- Жогорку разряддуу ток: Nominal discharge current of 20kA and maximum discharge current of 40kA.
- 1000V DC Rating: Suitable for high-voltage photovoltaic systems.
- Модулдук курулуш: Allows for easy replacement of individual protection modules.
- Visual Status Indicator: Green indicates normal operation, red indicates a fault/defect.
- PC Material: Sturdy and practical construction for long-term use.
Техникалык шарттар
Technical specifications for the Walfront CHLT-40PV device:
| Параметр | Нарк |
|---|---|
| Модел | CHLT-40PV |
| Материал | PC |
| Максималдуу үзгүлтүксүз иштөө Көлtage (Ucpv) | DC1000V |
| Номиналдуу разряддык ток (In) | 20kA (8/20 µs) |
| Maximum Discharge Current (Imax) | 40kA (8/20 µs) |
| Тtage Коргоо деңгээли (Жогору) | ≤3.2кВ |
| Поляктардын саны | 3P |
| Protection Level (IP) | IP20 |
| Элемент Салмагы | 8.8 унция |
| Пакеттин өлчөмдөрү | 3.94 x 3.15 x 2.36 дюйм |

Сүрөт 2: Жакын пландан view of the device labels, indicating model number, voltage, жана учурдагы рейтингдер.
Орнотуу жана орнотуу
Follow these steps for proper installation of the CHLT-40PV device. Ensure all power is disconnected before beginning installation.
- Монтаждоо: The device is designed for DIN rail mounting. Securely attach the device to a standard 35mm DIN rail within an appropriate enclosure.
- Зымдарды туташтыруу: Connect the DC input from the photovoltaic array to the designated input terminals and the output to the protected equipment. Ensure correct polarity (+ and -) for each pole. The device is a 3-pole protector, typically used for positive, negative, and ground connections in a DC system.
- Негиздөө: Ensure the device is properly grounded according to local electrical codes. A low-impedance ground path is critical for effective surge protection.
- Текшерүү: Зымдардан кийин, бардык туташуулардын бекемдигин жана туура полярдуулугун эки жолу текшериңиз.
- Күйгүзүү: Once all connections are secure and verified, restore power to the system. The visual indicator on each module should show green, indicating normal operation.

3-сүрөт: Төмөнкү view DIN рельсин орнотуу механизмин көрсөтүү.

4-сүрөт: Бурчтуу view showing the input/output terminals for wiring connections.
Иштөө нускамалары
The Walfront CHLT-40PV operates automatically to protect your DC system from surges. No user intervention is required during normal operation.
- Статус көрсөткүчү: Each protective module has a visual status indicator.
- Жашыл: Indicates the module is functioning correctly and providing protection.
- Кызыл: Indicates the module has failed or is defective and requires replacement.
- Мониторинг: Periodically check the status indicators to ensure continuous protection.
Техникалык тейлөө
Regular maintenance ensures the longevity and effectiveness of your surge protective device.
- Визуалдык текшерүү: Annually inspect the device for any signs of physical damage, discoloration, or loose connections.
- Статус текшерүү: Regularly check the visual status indicators. If any indicator is red, the corresponding module needs to be replaced.
- Модулду алмаштыруу: To replace a defective module:
- Системанын бардык кубатын ажыратыңыз.
- Carefully unclip the defective module from the base unit.
- Insert a new, identical replacement module, ensuring it clicks securely into place.
- Restore power and verify the new module's indicator is green.
- Тазалоо: Зарыл болсо, түзмөктүн сыртын кургак, жумшак чүпүрөк менен акырын тазалаңыз. Суюк тазалоочу каражаттарды же эриткичтерди колдонбоңуз.
Проблемаларды чечүү
This section addresses common issues you might encounter with the CHLT-40PV device.
| Көйгөй | Мүмкүн себеп | Чечим |
|---|---|---|
| Status indicator is RED | Module has absorbed a significant surge and is now defective. | Replace the defective module immediately. Ensure power is off before replacement. |
| No power to protected equipment | Incorrect wiring, loose connections, or upstream circuit breaker tripped. | Check all wiring for correct polarity and tightness. Verify upstream power sources and circuit breakers. |
| Device feels unusually hot | Overload condition or internal fault. | Immediately disconnect power. Do not operate. Contact qualified personnel for inspection. |
Кепилдик жана колдоо
This Walfront product is typically covered by a standard return policy. For specific warranty details, please refer to your purchase documentation or contact the retailer.
For technical support or inquiries, please contact Walfront customer service through their official channels or the retailer from whom the product was purchased.
Note: The product description mentions a 30-day return policy. This is generally for returns, not a warranty. Specific warranty terms should be sought from the manufacturer or seller.

