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REGULUS - Single-phase heating element - www.regulus.eu
2.3 - Connection to power supply
The electric heating element connects to a solar controller connector 1/N/PE AC 230V 50Hz by a flexible
power cord. Do not use the element if the power supply cord or connector is damaged. All repairs shall be
performed by a specialized company.
2.4 - Wiring diagram
2.4.1 - Wiring diagram of the heating element
2.5 - Commissioning, operation and possible faults
WARNING!
THE OUTGOING HOT WATER SHALL NOT BE LEAD THROUGH COMMON PLASTIC PIPES. THE PIPING
USED SHALL BE RESISTANT TO TEMPERATUREs OF 100 °C AT LEAST.
IF PLAIN COMMON PLASTIC PIPING IS USED, ITS SERVICE LIFE IS SIGNIFICANTLY REDUCED UN-
DER TEMPERATURES OVER 60 °C. WHEN COMBINED WITH IMPROPER PIPE FIXING THAT PRE-
VENTS/RESTRICTS ITS DILATATION, THE PIPE SERVICE LIFE MIGHT BE JUST SEVERAL HOURS!
IN ORDER TO TIGHTEN THE HEATING ELEMENT, NEVER GRASP ON THE PLASTIC BOX BUT USE
THE HEXAGON INSTEAD.
Water in direct contact with the heating element shall not exceed the values given in the chart below. The
manufacturer bears no responsibility for defects (e.g. limescale deposits on the heating element) caused by
unsuitable operation conditions.
Table of limit values for total dissolved solids in hot water
Description
pH
Total dissolved solids (TDS)
Ca
Chlorides
Mg
Na
Fe
Max. value
6.5-9.5
600 mg/l
40 mg/l
100 mg/l
20 mg/l
200 mg/l
0.2 mg/l
