UFH wiring mess

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Ms86

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Hi wondering if anyone can help

we have 11 zones of under floor heating which are linked to 3 separate
thermostats.

the plumber is different to whoever laid the underfloor so he can’t figure out which actuator / wire links to which thermostat so at the moment each thermostat heats up the wrong zone.

is there any way of fixing it?

I can only think of asking him to use a process of eliminating by wiring up 1 actuator to 1 thermostat and once we know where it heats up; link it to the correct thermostat with correct labelling.

Is this the only way to sort out the messy wiring?

luckily all zones fully work, albeit wired incorrectly.
 
baldykev said:
Do a continuity test from stats wiring to actuators confirm which one is which
Click to expand...

thanks a lot for replying. All wiring works so I don’t think the test would pick up anything. We need to line up the correct actuator to the correct thermostat, all are working.
 
Ms86 said:
thanks a lot for replying. All wiring works so I don’t think the test would pick up anything. We need to line up the correct actuator to the correct thermostat, all are working.
Click to expand...

sorry this is confusing, how would it pick up which actuator should be linked to which thermostat?
Thanks!
 
Pull it all out and start again, quickest and easiest way to do it. Is it 240V or 12V actuators? If it's the former then shut everything down and get a AA battery and voltmeter, tape each pair to the battery at the stat end and then test at the manifold end, soon find out which is which.
 
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