Electrical Problem wiring

ZiderIup · 10 Sep 2010

Hi All,
Can anyone help with what wires I should connect to a new Horstmann Channel plus H27XL.

I have a gravity HW and Pumped CH system with room stat (no cylinder stat)

Here is the existing timer Horstmann Diamond

View media item 26102
Here is the existing wiring

View media item 26103
View media item 26115
what wires control what and have had a go at replacing
View media item 26135
I have the installation instructions here but cannot work out what goes where exept for the L,N and E and I can see that I need to link L 2 & 5 which I have done. I have also removed the gravity link.

I have DHW going to 1
Room stat (yellow) going to 4
CH pump (Red) going to 5
CH Pump (Yellow) ? this is where I have a problem can not work out where to put this wire.

View media item 26136
http://www.horstmann.co.uk/downloads/ElectronicDocuments/Central-Heating/H21-27-27ZXL-ISeries2.pdf

All fixed CH PUMP (Red) TO 4
joined 2 yellows together
Thanks to holmslow on the Electrical forum

Any help will be most appreciated

diynot

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Electrical Problem wiring

ZiderIup

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