Where can I download the manual for my wiring centre ? November 21, 2019 09:32 Follow Please take a look at our Manual finder which includes the manuals for active and discontinued wiring centres. Related articles What cables do I need to connect my thermostats? How many actuators can I connect to a zone? How do radiator zones on the Heatmiser wiring centres enable the boiler? What does Ls and Lr mean? Can the UH8 work with 2 port valves and provide a volt free boiler enable switch?