Wiring a Honeywell 927 to a Glow worm Flexicon 30 CX

[Johnieb]

Hi guys,

can anyone give me a little pointer here. I am used to wiring a Honeywell 927 into Vaillant and Worcester boilers. Today, I have wired one into a Glow Worm Flexicom and I am a little bit confused. Usually on the Vaillant and Worcester, I would remove the link and put my two switch wires from A and B terminals in the Honeywell 927 into those terminals in the boiler. With this Glow Worm - you know the black plug which goes into the boiler - if one of my wires from A and B go into R on the black plug - where does the other one go.
i have taken a 5 core into the boiler plug from the Honeywell 927. I've got my Live, Neutral and Earth, one of my 4th and 5th wires into R - where does the other wire go?

I cannot get the boiler to switch. The receiver unit is switching and the green light comes on - but the boiler don't fire - and that is because I have this spare wire and don't know what to do with it.

anyone help?...

 

[vern]

Hi guys,

can anyone give me a little pointer here. I am used to wiring a Honeywell 927 into Vaillant and Worcester boilers. Today, I have wired one into a Glow Worm Flexicom and I am a little bit confused. Usually on the Vaillant and Worcester, I would remove the link and put my two switch wires from A and B terminals in the Honeywell 927 into those terminals in the boiler. With this Glow Worm - you know the black plug which goes into the boiler - if one of my wires from A and B go into R on the black plug - where does the other one go.
i have taken a 5 core into the boiler plug from the Honeywell 927. I've got my Live, Neutral and Earth, one of my 4th and 5th wires into R - where does the other wire go?

I cannot get the boiler to switch. The receiver unit is switching and the green light comes on - but the boiler don't fire - and that is because I have this spare wire and don't know what to do with it.

anyone help?...

Place the other in term marked L, this will complete the circuit....

 

[Johnieb]

Hi,
are you sure? I'm not sure how that then works. Could you please explain it to me? Sorry for being a bit dumb on this one. It's doing my head in though.

 

[doitmyself]

Terminal R is the Switched Live, which needs 240Vac applied to make the boiler run.

You need to connect R to B on the CM927 Relay
You then need to connect L (on the boiler) to A on the Relay.

When the relay closes 240Vac will be supplied to R and, hey presto!, the boiler fires.

 

[JamesyGoosey1]

The 927 have to lives in the receiver link spare live to a in the receiver and out of b to r if that what switched live is job done

 

[Johnieb]

The 927 have to lives in the receiver link spare live to a in the receiver and out of b to r if that what switched live is job done

Hiya James,

thank you for e advice and yes, you are exactly correct. I have done what you advised and the installation is now sorted. Thank you!

 

[Johnieb]

Terminal R is the Switched Live, which needs 240Vac applied to make the boiler run.

You need to connect R to B on the CM927 Relay
You then need to connect L (on the boiler) to A on the Relay.

When the relay closes 240Vac will be supplied to R and, hey presto!, the boiler fires.

Hi

Thank you for the advice, and I have followed what you advised me to do and I have got it up and running. Thank you very much.