Input power kW 6, 9, 12, 15, 18, 21, 24 (Models Ray 6 – 24 K) |
Efficiency - 99.5% |
Power - 220V or 415V, 50Hz (only 6, 9, 12kW versions available in 220V) |
Electrical current max. for 24kW version is 3 x 36 A |
Level of electrical protection IP 40 |
Min. / Max. pressure of heating water kPa 100 / 300 (1 to 3 bar) |
Max. operational temperature of output heating water is 85°C |
Internal expansion vessel volume 10 litres |
Weight approx. 34kg |
Electronic soft start technology provides acceptable electrical load to supply network. Load increments never exceed 6kW, and 2kW / phase for the 3 phase versions. |
The circulating-water pump is in operation for the minimum necessary time, thus saving energy and reducing mechanical wear. |
Pump run-on evacuates remaining hot water from boiler to save energy after it is switched off. |
Occasional pump spin-up during inactive periods stops pump mechanism sticking. |
The boiler's hydroblock is a modern unit, also used for gas boilers. It contains a pump with an automatic air vent, a pressure sensor for the heating water, a safety valve and tundish discharge and a connection to the internal 10-litre expansion vessel. |
Easy connection to Guernsey Electricity's Economy tariffs via a 2 wire connection to the 'volt free' ripple control connection on the meter + normal supply cable. |
Flow Rate |
Development and manufacture of PROTHERM boilers is certified according to the international
quality standard ISO 9001. These boilers also have CE certification. |
Dimensions
- Width 410 mm
- Height 745 mm
- Depth 240 mm
Wall hung, it is about the size of a small gas combi-boiler.
Water treatment
Use normal anti-corrosion agents in central heating water - ideal pH is 7.