17
│
RTC 13e - www.regulus.eu
6. MAINTENANCE, SERVICING
6.1. User maintenance
It is recommended to perform user maintenance at least once a month:
-
Pressure check of heating system.
It is carried out locally or via remote access (in case of installation with the RegulusBOX
indoor unit). If you hear a gurgling, hissing or even screeching sound coming from the
pipes, circulator or near the outdoor unit, or if you find the pressure in the heating
system is too low (usually below 1 bar), then air bleed the system and top up water until
the pressure rises to the value specified in the design documentation or as advised by
the heating engineer (usually around 2 bar).
-
Visual inspection for leaks of working fluids.
Check the heating system for water leaks and the heat pump for oil leaks.
-
Check of the finned heat exchanger for clogging.
Carefully remove fallen leaves and other dirt. You can use a vacuum cleaner or a soft
brush. The heat exchanger lamellas are sharp and can cause injury - so always take
care when cleaning them. If the heat exchanger lamellas are very dirty, we recommend
that you have them cleaned by a professional technician.
-
Condensate drain check.
Check that the condensate can flow freely and is not trapped.
When cleaning of the outer covers of the device is needed, use non-aggressive and non-
abrasive cleaning agents (e.g. a damp piece of cotton cloth). Do not use solvent-containing
cleaning agents.
6.2. Professional maintenance
Warning: Risk of electric shock if live parts are touched! Disconnect the device from
the power supply before working on live parts!
It is recommended to have professional maintenance performed by an authorized service
technician once a year:
• Check of wiring and tightening connections.
• Check of the correct functioning of the safety elements.
• Adjusting the expansion vessel pressure.
• Cleaning the filter in the heating system. (The unit must be turned off when cleaning the
filter.)
• Check of fan mounting and balance.
• Check of power input.
• Check of the dry filter and detection of possible leaks.
• Check of working pressures and temperatures in the refrigerant circuit.
• Check of the history of operating values logged by the controller.
• Check of the circulation pump.
• Check of cover fastening.
• Check of the heating water quality.
• Check of the finned and plate heat exchangers for dirt
As of the date of placing on the market, the RTC 13e heat pump is NOT subject to regular
refrigerant leakage checks.
