NØRDIS OPTIMUS PRO Air-to-Water Heat Pump Warranty Terms:

1. During the warranty period, the importer undertakes to repair or replace, free of charge, any defects caused by the manufacturer’s fault.
   The warranty is valid only if the installation and commissioning were performed by qualified specialists authorized by the importer and following the manufacturer’s technical requirements.
   Warranty service applies only to units with a properly completed and signed commissioning report and warranty certificate.
   Warranty maintenance can only be performed by certified specialists with the required qualifications.

2. Warranty period:
   NØRDIS OPTIMUS PRO air-to-water heat pumps come with a 60-month warranty.
   During the warranty period, it is mandatory to perform preventive maintenance once per year, and after each inspection, the service engineer must record the work in the NØRDIS Service system.
   Each completed inspection extends the warranty by one year, but no longer than the specified maximum warranty period.
   If mandatory annual maintenance is not performed, the warranty period is 12 months, i.e., until the first required inspection.
   Annual preventive maintenance is not included in warranty service and is carried out according to the service provider’s established rates.
   The warranty period starts from the commissioning date, but no later than 3 months after the purchase date.

3. Warranty repairs do not renew or extend the original warranty period of the heat pump.

4. The warranty does not cover any indirect damages or losses caused by heat pump failure during the warranty period.

5. The warranty is void if:

   • The installation was performed by individuals or companies without a valid fluorinated greenhouse gas handling certificate issued in accordance with the Lithuanian Ministry of Environment Order No. D1-420 (July 20, 2009).

   • The buyer/end-user or unauthorized third parties attempted to repair the unit.

   • Refrigerant line installation was performed improperly.

   • The hydraulic system or components were selected incorrectly.

   • Electrical installation work was performed improperly.

   • The unit was connected to an old, contaminated, or unclean system.

   • A magnetic dirt filter was not installed in the heating system.

   • Protective fittings (including expansion vessels, safety valves, etc.) were missing or installed incorrectly in the heating or domestic hot water systems.

   • The unit was used for purposes other than intended.

   • Damage was caused by aggressive environmental conditions.

   • Damage was caused by unstable or improper power supply (voltage fluctuations, etc.).

   • Installation or commissioning was performed by persons not authorized by the importer or lacking appropriate qualifications.

   • Annual preventive maintenance was not performed, and/or maintenance records were not entered in the NØRDIS Service system.

6. Important:
   The user must ensure that service technicians performing installation, commissioning, maintenance, or warranty repair have free access to the heat pump and can begin work immediately.
   The user must also provide, free of charge, all necessary means for service — such as a power source, removal of construction or furniture obstructions, or lifting equipment if required.
   Any parts replaced under warranty become the property of the seller.

NØRDIS OPTIMUS PRO Air-to-Water Heat Pump

Preventive Maintenance Tasks

Preventive maintenance for NØRDIS OPTIMUS PRO heat pumps includes but is not limited to:

• Checking and adjusting refrigerant pressure and quantity.

• Inspecting and maintaining the water circuit (system pressure, expansion tank pre-pressure, filters, safety valves, drainage system).

• Cleaning filters.

• Cleaning the outdoor unit’s heat exchanger.

• Inspecting the electrical panel (connections, automatic circuit breakers, contactors).

• Performing any other essential maintenance tasks required for reliable operation.