Acl Lifestyle Mid Position Valve Wiring Diagram

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Just recently had to change my acl lifestyle mid position valve as a result of the rads getting hot when hw only was called for, which was due to old age, crap in the system and port a not fully shutting off. The new valve i fitted is a drayton ma1, like for like swap on size and wire colours. Both ch & hw work fine now, however, when i create. Tried manually moving the lever to mid position but it's stuck fast!!

Think the valve has completely seized. Going to change the valve it's an acl 679h34030l0. I have a fairly new honeywell v4073a1039 sundial y plan valve that i took out of a system. If your valve is in the w position, then that means it is open to the cylinder. If you have hot water selected on the programmer and the cylinder stat is demanding, the boiler and pump should fire. You need to start from scratch at the junction box and check your circuits. Mid position valve wiring diagram. Wiring honeywell underfloor combi salus danfoss sundial potterton readingrat rt300 rotork cutoff prt2 cylinder baseboard zoning diynot tonetastic. Drayton wiring centre diagram drayton lifestyle mid position valve wiring diagram drayton lifestyle mid position valve wiring diagram increased fuel efficiency tight shut off manual lever and valve position indicator spring.