New Horstmann 2 port valve

[1974stephen]

Just fitted a Horstmann Zoneplus F222m / F222i 2 port valve on a new radiator controlled by a programmable digital room stat.

When the stat is calling for heat you can hear the valve move, and then move again when it switches off again. The rad is filled and bled OK, but there is no water circulating through this part of the system when the boiler's on.

Removing the motor head allows me to turn the valve with my fingers (quite easily) as though there's no real resistance in it. Is the correct? Even when moving this, the pipes don't get warm.

Wired as blue neutral, brown SL from stat, grey perm live, orange not connected.

Any help gratefully received.

 

[1974stephen]

Actuator or Valve?

 

[kevplumb]

Removing the motor head allows me to turn the valve with my fingers (quite easily) as though there's no real resistance in it. Is the correct? Even when moving this, the pipes don't get warm.

airlock

 

[1974stephen]

I would consider the actuator the electrical part (motor) that can be detached and the valve the brass part that is left behind when the actuator is removed that is connected to the pipe work.

 

[1974stephen]

KevPlumb - Best way to remove an airlock? This valve has been installed under a ground floor, lower than the bottom of all the ground floor rads (inc the new one)

 

[kevplumb]

Forgive me but, what bit of 'actuator faulty' did you not understand.

which part of "your banned" don't you understand puller ?

if the rad ain't heating when the valve is opened by hand why should the motor be faulty

 

[kevplumb]

KevPlumb - Best way to remove an airlock? This valve has been installed under a ground floor, lower than the bottom of all the ground floor rads (inc the new one)

did you have it open on man when you refilled the system

 

[kevplumb]

the only penny thats dropping puller is

your a banned poster

 

[kevplumb]

i am adressing you puller

 

[1974stephen]

KevPlumb - Unfortunately it wasn't on manual - but it would have been open as the room stat was calling for heat at the time.

 

[twgas]

Have you tried turning on the rest of the system at the same time as the problematic part?
The orange wire is normally connected to 'switched live to boiler' or 'live to boiler and pump'.

 

[1974stephen]

OK folks. Drained system and re-filled - the new rad now gets warm. Obviosuly an air lock.

On a related issue - how much does a MV restrict water flow? The rad isn't getting hot very quickly so it looks as though I'll have to wind all the other lockshields in a half turn or so. Would this be expected? The MV has been taken from a capped off pipe from where an old rad used to be connected which didn't experience this problem.

 

[D_Hailsham]

Wired as blue neutral, brown SL from stat, grey perm live, orange not connected.

So it is purely acting as a valve to control flow through the radiator and is reliant upon some other control to turn the boiler on and off? If so, you do not need the grey or orange connected. But what happens if the other control has turned the boiler off and the radiator controlled by this valve is not up to temperature?

 

[1974stephen]

D Hailsham - That's fine. I am using it as you describe, but aren't worried about the area not getting up to temperature if the rest of the system is turned off.

The new rad's in a conservatory, that will primarily be used as a play room, but only three days a week when the lad's not at nursery. The MV is purely to stop water circulating in there on days it's not needed, in a bid to save money long term, by not heating a room we don't need.

Makes sense???

PS Didn't realize the grey wasn't needed, but thinking about it now, it makes sense, as that's only required coming up the grey, so it can send out down the orange in those circumstances when the MV's used "correctly"