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Repair of INVT HT33 Series Tower Online UPS
Total-Energo LLC provides professional repair and maintenance services for INVT HT33 Series Tower Online UPS. This series is characterized by high reliability, stable operation, and a wide range of power ratings—from 3 to 10 kVA. It is widely used in offices, industrial facilities, medical institutions, and telecommunications systems where an uninterrupted and high-quality power supply is essential. We perform repairs of any complexity using original components and with a quality guarantee.
Repair Work Procedure
Repair work is carried out according to a clear plan, which includes the following stages:
- Diagnostics — comprehensive inspection of the device, analysis of event logs, and testing of the inverter, rectifier, cooling system, and battery unit;
- Preparation of a defect report — recording of identified malfunctions and determination of necessary components;
- Supply of spare parts — ordering of original or manufacturer-recommended parts if not in stock;
- Cleaning the equipment — removing dust and contaminants from control boards, contacts, and cooling systems;
- Performing repairs — replacing faulty electronic modules and fans, testing the control board, and repairing or replacing the battery pack;
- Commissioning — device configuration, testing in online, bypass, and standalone modes, monitoring of output parameters;
- Final testing — simulation of real-world load to confirm the stability and efficiency of the UPS;
- Documentation — signing the work completion report and providing a technical report to the customer.
In the event of complex malfunctions, repairs are performed at the service center of Total-Energo LLC using professional diagnostic equipment.
Battery maintenance
INVT HT33 UPS units are equipped with AGM or GEL batteries. Our battery maintenance services include:
- Battery testing — checking voltage, capacity, internal resistance, and physical condition of the batteries;
- Battery replacement — installation of original or recommended equivalents;
- Battery pack upgrade — the option to switch to lithium iron phosphate (LiFePO4) batteries, which offer a number of advantages;
Advantages of LiFePO4 over AGM and GEL batteries:
- Longer service life — up to 10–15 years, over 4,000 charge-discharge cycles;
- Higher energy density — compact size and reduced weight;
- Improved safety — no risk of leakage or thermal runaway;
- Stable voltage during operation;
- Intelligent protection system (BMS) that monitors balancing and the condition of the battery pack.
Service support
Total-Energo LLC provides a full range of services for the INVT HT33 UPS, including:
- Regular preventive inspections — cleaning, checking contacts, fans, and control boards;
- Testing of operating modes — online, bypass, and standalone;
- Software updates as needed;
- Consultations on operation and optimization of UPS performance;
- Rapid response to emergency situations with priority service.
Signing a service agreement
For corporate clients, we offer the conclusion of a service agreement for the INVT HT33 UPS, which guarantees:
- Regular scheduled visits by the service team;
- Priority troubleshooting in the event of emergencies;
- Provision of spare parts and batteries;
- Preventive maintenance to minimize the risk of failures;
- An individual approach and flexible terms of cooperation.
The INVT HT33 Series Tower Online UPS is a reliable, technologically advanced solution that requires professional repair and maintenance. Total-Energo LLC guarantees the quality, durability, and uninterrupted operation of your uninterruptible power supply.