Recent content by MaciejZ

hi, done the checks and still no idea what can be wrong : programmer : both - ch and dhw setup to work 24/7 both thermostats (room + cylinder) setup higher than actual (so both will demand heat) and still only 1 motorized valve open at any given time (when heating zone open, I need to switch...

managed to get it working ( it was all wired incorectly + thermostat on cylinder gone) a question now is - If I programm the programmet to have heating and hot water all the time - should I expect both motorized valves to be open (as long as there is demand for heat/hw) or is it the case of...

So Should bolier be fed by a fused spur or from the wiring centre ?

Many thanks for you reply gents. You were both correct. After opening the cover of what I thought was expansion tank I noticed that it is bone dry. It was disconnected long time ago and is not being used. This makes it a pressurised system, repacing all leaking lockshields (most of them seized...

Many thanks for answers. Just to expand on it - assuming that the expansion tank is 10 meters above boiler - should I expect to see 1 bar pressure on the gauge ? and also - I can not see any pumps - is it likely that all the pumping is done by the combi boiler ? thanks again.

Hi All, I just moved in to a new house and have a question. Heating and DHW are fed by Worcester bosch CDI30 setup within S-plan (2 motorised valves, indirect cylinder etc) and also expansion tank + feeding tank. Question is - as this is a non pressurised system - should I be concerned with...