Wiring in a new controller.

[Sponge]

I've picked up a new wireless controller (CMT927) and need some instruction on where to place the wires.

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• Sponge
• 10 Oct 2013
• 1

The old setup was thus:

2 pairs of wires (brown and blue). One coming from the switch below. The other leading to the boiler.

The three holes across the top are NC / COM / NO. The two across the bottom are N / L.

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• Sponge
• 10 Oct 2013
• 1

I've wired half of the new receiver, the supply coming from the switch, but where should I put the other wires?

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• Sponge
• 10 Oct 2013
• 1

Just had a thought - my boiler has a mechanical timer. Should I just leave in the perm on position? Or would I be better to remove it entirely?

 

[EFLImpudence]

Assuming wired correctly at the boiler -
Brown to A (live),
Blue to B (switched live).

The Blue to the boiler should be sheathed or taped in brown.
Connect the CPCs (earths) together in a connector block and position safely.


Leave the boiler CH on permanently.

 

[Sponge]

Thanks.

There are no earths.

Edit: All hooked up and working a charm.