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20-12-2011, 08:33 PM #1
ALtherma 2 port valve motorised valve wiring.
Hi guys, I'm new to posting on the forum although have found many threads very useful
I'm in the process of installing my first Daikin Altherma (LT) system. I mainly install vrv's and splits so my knowledge on plumbing and chilled water is limited.
The problem I've got is with the wiring on a Honeywell V4043h 2 port motorised valve, which has been put in by the plumber to isolate the underfloor heating whilst in cooling mode.
I understand the port is normally closed. I've got three terminals on the hydrobox to wire the 2 port valve into they are labelled:
5. Normally closed valve
6. Normally open valve
7. Common
However coming from the valve I have a 5 core cable including colours, brown, blue, earth, orange and grey.
As I only have three terminals I wonder if anyone can tell me which coloured cable I need to wire into which terminal?
Any help would be sincerely appreciated
Many thanks
Joe