Robus Black Star 10 Comfort, Manual

Page: 9 / 26

Robus Energy Ltd
9 of 26
MCS 0001RE Issue 2.1 March 2014
Hydraulic installation of the boiler
A correctly executed installation ensures that the system functions properly. Both national/local
guidelines and requirements must always be observed. The boiler can be installed on a pressurized
system up to max 2.5 bar.
Standard load valve installation
Failure to correctly install the load valve will void any future warranty. The load valve, supplied with
the boiler, must be installed in the boiler return pipe work as shown in the diagram. This maintains a
minimum 55°C return temperature to prevent condensation forming within the boiler.
Basic Y-plan installation
The 3 port valve must “spring return” to a heating position. 230V is only applied to the valve during
hot water mode.