Boiler wiring - Danesmoor + 2 external pumps

[James Palmer]

Hi Lee,
yes it is this actual one, that was me being tired and it has got the black control box dangling inside the boiler, so I have it already wired effectively (I guess) and just need to hook up the L/N/E to the new boiler from this?

http://www.plumbcenter.co.uk/wcssto....all/ti/on/Grundfos_PumpPlan_Installation.pdf

Is it a grundfos pump plan system?

 

[Leesparkykent]

Hi Lee,
yes it is this actual one, that was me being tired and it has got the black control box dangling inside the boiler, so I have it already wired effectively (I guess) and just need to hook up the L/N/E to the new boiler from this?

The control box/wiring centre should be fixed external to the boiler not dangling inside.

 

[James Palmer]

The control box/wiring centre should be fixed external to the boiler not dangling inside.

That will change when I sort it ....

 

[Leesparkykent]

Post deleted.

 

[Leesparkykent]

That will change when I sort it ....

Just read the OP again and your old boiler had an internal programmer so you are going to have to get a two channel programmer. Do you have a room thermostat and cylinder thermostat?

 

[James Palmer]

Just read the OP again and your old boiler had an internal programmer so you are going to have to get a two channel programmer. Do you have a room thermostat and cylinder thermostat?

I will get a 2 channel programmer - would you recommend a particular make - in terms of reliability and ease of use, I also need a 1 channel for the immersion?
There are room and cylinder thermostats which wire into this grundfos box.

 

[davesparks]

You really need to get an electrician to sort this out, especially if you want to incorporate control of the immersion heater into the system!

 

[Leesparkykent]

I will get a 2 channel programmer - would you recommend a particular make - in terms of reliability and ease of use, I also need a 1 channel for the immersion?
There are room and cylinder thermostats which wire into this grundfos box.

No you will need a two channel programmer if you want to time the heating and hot water individually. These 3 below are the most popular makes my personal preference is the Honeywell ST9400C.

Edit:immersion? This should be separate as the boiler should be heating your hot water.
https://www.plumbarena.co.uk/produc...5VDHxFpb74a2mFft3SsN0aAua78P8HAQ#.VckIf9q9KK0

Drayton LP722 (Mk4) Programmer | Programmers | Screwfix.com

Danfoss FP715

 

[James Palmer]

Yes I definitely will, but I like to understand it myself...

 

[James Palmer]

No you will need a two channel programmer if you want to time the heating and hot water individually. These 3 below are the most popular makes my personal preference is the Honeywell ST9400C.

Edit:immersion? This should be separate as the boiler should be heating your hot water.
https://www.plumbarena.co.uk/produc...5VDHxFpb74a2mFft3SsN0aAua78P8HAQ#.VckIf9q9KK0

Drayton LP722 (Mk4) Programmer | Programmers | Screwfix.com

Danfoss FP715

I saw the drayton, looked nice, will look at the others - thanks
And immersion for the element in the cylinder, just in case the boiler fails at least I have a fallback.

 

[Leesparkykent]

I saw the drayton, looked nice, will look at the others - thanks
And immersion for the element in the cylinder, just in case the boiler fails at least I have a fallback.

The immersion is normally on a dedicated circuit with a double pole switch so you can turn it on and off as you require. If you want to you could also incorporate a timer such as

Immersion Heater Timer 24hr Grasslin IHT-GPT01 | RS Electrical Supplies