13. Troubleshooting & Maintenance

13.3Precautions for maintenance and inspection

CAUTION

Make sure to remove the input power while performing maintenance.

Make sure to perform maintenance after checking the DC link capacitor has discharged. The bus capacitors in the inverter main circuit can still be charged even after the power is turned off. Check the voltage between terminal P or P1 and N using a tester before proceeding.

SV-iC5 series inverter has ESD (Electrostatic Discharge) sensitive components. Take protective measures against ESD before touching them for inspection or installation.

Do not change any inner parts and connectors. Never modify the inverter.

13.4Check points Daily inspections

Proper installation environment Cooling system fault Unusual vibration and noise

Unusual overheating and discoloration Periodic inspection

Screws and bolts may become loose due to vibration, temperature changes, etc.

Check that they are tightened securely and retighten as necessary.

Alien substances are clogged in the cooling system.

Clean it using the air.

Check the rotating condition of the cooling fan, the condition of capacitors and the connections with the magnetic contactor.

Replace them if there are any abnormalities.

13.5Part replacements

The inverter consists of many electronic parts such as semiconductor devices. The following parts may deteriorate with age because of their structures or physical characteristics, leading to reduced performance or failure of the inverter. For preventive maintenance, the parts must be changed periodically. The parts replacement guidelines are indicated in the following table. Lamps and other short-life parts must also be changed during periodic inspection.

 

Part name

Change period (unit: Year)

Description

 

 

 

 

 

 

 

Cooling fan

3

Exchange (as required)

 

 

 

 

 

 

Smoothing capacitor in main circuit

4

Exchange (as required)

 

 

 

 

 

 

Smoothing capacitor on control

4

Exchange (as required)

 

board

 

 

 

 

 

 

 

 

 

 

Relays

-

Exchange (as required)

 

 

 

 

 

 

 

 

 

 

 

 

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SV-iC5

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LG Electronics SV-iC5 Series manual Precautions for maintenance and inspection

SV-iC5 Series specifications

LG Electronics has innovated further in the realm of HVAC solutions with its latest SV-iC5 Series. Designed to enhance energy efficiency and operational performance, the SV-iC5 Series is particularly notable for its advanced cooling and heating capabilities, making it suitable for both residential and commercial applications.

One of the standout features of the SV-iC5 Series is its use of Inverter Technology. This technology allows the system to adjust its cooling and heating output in response to real-time demands, significantly reducing energy consumption. With a higher SEER (Seasonal Energy Efficiency Ratio) rating, the SV-iC5 models are not only cost-effective but also environmentally friendly.

The SV-iC5 Series is equipped with an intelligent cooling system, which utilizes advanced sensors to monitor indoor conditions continuously. This smart adaptation ensures optimal comfort levels while maintaining efficiency. The system operates quietly, thanks to the use of advanced sound-dampening materials and design, making it an unobtrusive addition to any living or working space.

Another key technology integrated into the SV-iC5 series is the Dual Sensing Control. This feature works by simultaneously measuring both humidity and temperature to deliver precise climate control, allowing users to achieve their desired comfort levels with minimal energy use.

Additionally, the series incorporates the latest in Heat Recovery technology, enabling simultaneous cooling and heating in different zones. This versatility is particularly beneficial for larger buildings or multifamily residences, providing tailored comfort while optimizing energy use across different areas.

The SV-iC5 Series is designed with user convenience in mind. Its intuitive remote control and smartphone compatibility through the LG SmartThinQ app enable users to manage their HVAC systems with ease, whether at home or on the go.

Moreover, maintenance is simplified thanks to easy-access filters and components, ensuring that users can keep their systems running smoothly without extensive effort.

In summary, LG Electronics' SV-iC5 Series represents a significant leap forward in HVAC technology, combining energy efficiency, advanced control systems, and user-friendly features to meet the demands of modern living and working environments. With its commitment to quality and performance, LG continues to set the standard in smart HVAC solutions.