Revised Honeywell Sundial Plans
In an earlier contribution to this discussion,
geoff wrote:
In message , Roger Mills
writes
In an earlier contribution to this discussion,
Dave Osborne wrote:
Well, I'd be willing to bet that there are many millions of systems
out there wired to a classic Sundial plan. Mine is, for one... :-)
However, I'm quite happy to do additional drawings for more modern
installation arrangements.
From my limited reading, the following ideas come to mind:-
1. Wiring diagram for S-plus with one and two extra heating zones.
Yes - good idea.
2. Conventional (i.e. not system) boiler with pump-overrun timer (as
you have suggested above).
Yes - although it's not necessarily a *timer* per se. My boiler
simply keeps the pump running until the output temperature falls
below the boiler stat setting.
What boiler is that ?
It's a Mk I Baxi Solo powered flue jobby - c1990 vintage.
--
Cheers,
Roger
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