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Lurch
 
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Default Honeywell 3 port mid position valve - problems with...

On Mon, 16 Feb 2004 09:36:36 -0000, "Jerry."
wrote:


"Lurch" wrote in message
...
On Mon, 16 Feb 2004 08:49:44 -0000, "Jerry."
wrote:
Should be very reliable though motor life varies dramatically with
temperature. Do you have unusually high ambient/flow temperatures or

high
spec supply voltage?

Well it was installed in a loft, on the east aspect and the problems this
time started after a couple of (relatively) deep overnight frosts....

Hummm
!

With the proper frost protection?


Well it doesn't seem to have any type of frost stat if that is what you
mean.

Even more Ho Hummms...

I think it would be recommended to fit a frost protection kit to the
components in the loft. Assuming the boiler is in the loft also you
want a wall mounted frost stat by the boiler and a pipe stat on the
return, connected in series across the permanent live feed and the
trigger wire on the valve, usually the brown.
...

SJW
A.C.S. Ltd.