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Actuator is identical to the old one, which was also working well ist seems:
And here's the block - sorry for being thick
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L
Nowhere near anything combustion related!
OK. Will try with removing a black/live from block in pic 4 and report back. Thanks all for...
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power off drop front panel remove cover from back go to terminal strip and remove one of wires (position 1 and 2 with black wires) that...
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L
Thanks for the help so far. Wiring is entirely conventional. No zones.
I've put some pictures up as requested, so if they give...
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Hello all
Working on a 10 yo duotec 28. It's constantly heating radiators. The CH light at 10 o'clock is constantly lit.
I have...
