Two Controllers operating one pump

[GBDamo]

Hi All,

New here and a bit of an ask but I'm trying to control a CH pump using two Delta Dor wireless controllers.

The attached wiring diagrams show how we wire a single zone, single Delta Dor, single zone valve and how I propose using two Delta Dor controllers from two separate zones/zone valves to control one pump.

The bit I'm particularly concerned about is one 22mm MV when open effectively energizing the switched live wire (orange) of the closed valve and the effect this will have when both are open.

If I'm completely barking up the wrong tree :rolleyes2: then any suggestions would be welcomed.

Thanks in advance

 

[Leesparkykent]

Hi All,

New here and a bit of an ask but I'm trying to control a CH pump using two Delta Dor wireless controllers.

The attached wiring diagrams show how we wire a single zone, single Delta Dor, single zone valve and how I propose using two Delta Dor controllers from two separate zones/zone valves to control one pump.

The bit I'm particularly concerned about is one 22mm MV when open effectively energizing the switched live wire (orange) of the closed valve and the effect this will have when both are open.

If I'm completely barking up the wrong tree :rolleyes2: then any suggestions would be welcomed.

Thanks in advance

if I'm reading correctly you have 1 pump, two heating zones, thermostat for each zone and a zone valve for each zone? If correct the oranges from each zone valve can operate the single pump. when one valve opens and closes the switch between grey and orange it will not operate/open the other valve. The other valve will only open when the brown is powered from the controls that control that pacticular zone.

 

[GBDamo]

if I'm reading correctly you have 1 pump, two heating zones, thermostat for each zone and a zone valve for each zone? If correct the oranges from each zone valve can operate the single pump. when one valve opens and closes the switch between grey and orange it will not operate/open the other valve. The other valve will only open when the brown is powered from the controls that control that pacticular zone.

Thanks for the reply, but when you say brown above do you mean the SwL (gray)?

 

[Leesparkykent]

Thanks for the reply, but when you say brown above do you mean the SwL (gray)?

A standard two port valve: green/yellow= earth, blue=neutral, brown switched live from controls, grey=permanent live and orange= switch live to boiler/pump etc. If its a 28mm two port you may have a white which in your case just needs to be made safe in its own connector block, wago, terminal etc.

There is a micro switch within the housing of the head of the valve. when the switch closes it closes between grey and orange. When power is applied to the brown from the controls the motor opens the valve and as it turns round it hits the switch and closes it.

 

[GBDamo]

A standard two port valve: green/yellow= earth, blue=neutral, brown switched live from controls, grey=permanent live and orange= switch live to boiler/pump etc. If its a 28mm two port you may have a white which in your case just needs to be made safe in its own connector block, wago, terminal etc.

There is a micro switch within the housing of the head of the valve. when the switch closes it closes between grey and orange. When power is applied to the brown from the controls the motor opens the valve and as it turns round it hits the switch and closes it.

Thanks, got it now.