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We have the following problem: No matter what programme we set it to, when we start the programme, the machine spends a couple of seconds draining (is this normal??) and then fills for around 15 seconds, then stops all activity, then fills for another 1 or 2 seconds and then drains completely...

Our heating system has developed a fault in the last week or so. It is a sealed system with a primary circuit to heat the water and a few rads, and a secondary circuit to heat the remaining rads. The hot water is controlled with a cylinder stat on the storage tank and the heating is...

We are unsure of what terminals, in the above control panel, to connect the wires for the internal sounder we've bought to - it's an Elmdene 500 with strobe. It has terminals: h- (black) h+ (red) -r (green) -st (white) - rtn (blue) (already wired) We want it to beep when the alarm has...