Search results

It worked! Changed Actuator head and all is fine! Thanks very much for your help Mandate. Your advice helped me sort this out, without doubt. Thanks for taking the time to assist me. Thanks Chris

Mandate - that lever on the side is in auto position. I used that before when i was getting issues so thats good to know that you have a manual poistion that will open the valve completely for CH and HW. I have ordered a replacement head and will let you know if that does the trick. I am...

Lagunalen - Thanks for your post. The valve is definitely the correct way round as per the diagram and pipe lebelling. HW works fine so definitely correct way round. I have come to the conclusion that the Microswitch that controls CH on and HW off within the motorised actuator is not working...

Update! Swapped out the old cylinder thermostat with honeywell L641 and wired up as per diagram. Also - connected the earth wire up to room thermostat and the other end to the earth point in the wiring centre. Made no difference, the fault condition is the same, so whilst not a waste of time...

Thanks for the quick advice chaps. Your help is really appreciated as this is driving me mad! I am a PBX telecoms engineer by trade so although not a layman as such with wiring i have no real experience with Electrical testing as such. Probably just about enough knowledge to be dangerous...

I recently swapped out my faulty boiler with a worcester bosch 24ri my wife's brother who is a plumber but has experience of replacing boilers. We also changed the room thermostat. It has a 3 way honeywell motorised valve. Controller is a Drayton 7. All works fine apart from the following that i...