Wiring of 2 port valves on a Green star 32cdi combi | Plumbing Jobs | The Job-board | Plumbers Forums
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Discuss Wiring of 2 port valves on a Green star 32cdi combi in the Plumbing Jobs | The Job-board area at Plumbers Forums

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J

jason111

I was wondering if someone could explain how I would wire 2 2 port valves to a Worcester Bosch 32cdi combi boiler.

The whole purpose is to split the heating into 2 separate zones controlled by there own thermostats.

all wiring diagrams for the boiler show different connections to what I have but am I correct in saying the switch line back to the boiler from the 2 ports goes where the small link is from the L to ch ?

I am a qualified, experienced sparky and have wired thermostats on boilers before but am not sure about this one.
Any advice will be appreciated.
 
Didn't include picture of boiler.. here it is

IMG_20170419_200651.jpg
 
Welcome along jason, sure somebody will be along to advise you later.
 
Yes you can either take the live from orange block ( LNE OUT), out to grey on valve and orange from zone valve back to LR heating or use an external PL on grey and bring Orange SL from valve back to LR heat

Brown on valve motors are from each stat ( but I think you already know that bit).
 
Check instructions whether pump needs to be wired directly from boiler due to pump overrun & bypass? What model boiler is it?
 
Check instructions whether pump needs to be wired directly from boiler due to pump overrun & bypass? What model boiler is it?

Combi boiler
 
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