On Tue, 28 Nov 2017 04:28:55 -0800 (PST), whisky-dave
wrote:

On Tuesday, 28 November 2017 10:41:11 UTC, T i m wrote:
On Tue, 28 Nov 2017 01:58:12 -0800 (PST), whisky-dave
wrote:


Switch the NoII / 1300W position on *only* with your current
measurement plug in place, and the main stat on full, see if it cuts
back to 700W or *at all* or after the ~2 hours you mentioned
previously.

and that would prove what exactly ?

That the radiator could *continuously* run on the larger element on
it's own and therefore possibly give off more actual heat than when
it's cycling between the 700W and 2kW (nominally).

No point in selecting 1300W when you want full 2KW heating.

Except you aren't getting 2kW heating are you?


At the end of the day, the trick would to be to keep the surface
temperature of the rad as close to the overtemp trip as possible but
without tripping.

No what we want is for it not to 'trip' as you call it.

That's just what I said.


I know that the overtemp protection which sets the heater back to 700W kicksm in whenn the fins of teh rad. reach about 98C and when it gets down to about 80C it goes back to the ~2KW or whatever you set.

I know. Remember, you don't have to remind me how it works because I
explained that to you.

No yuo were clueless.

Oh the irony.


It would only go back to the ~2kW, not
'whatever you set'

If you''d set it to 1300W it's go back to that.

Exactly, not ~2kW then, as you said.

because the 700W element isn't protected by the
overtemp stat and wouldn't be switched in.

So not much good then is it and I don't care whther or not the 700W is protected or not.

Someone might if it caused a fire.


If you *just* have the larger element on and it still cycles on the
overtemp stat the wattage will go between ~1700 and 0.

The larger element i.e only elemnet II switched on you get ~1050W

No, *you* get that because of your substandard supply. 'Most people'
would get ~1300W (if it was plugged into a decent 240V supply).

So where rthe **** you're getting 1300W from I don't know.

Of course you don't. Further, it doesn't actually matter what the
actual values are, it is the principals we are talking here.


If it still overtemps with just the high power element on, try it
again with just the low power element (NoI, 700W, it really shouldn't
with just that because 1) you said it doesn't anyway 2) the rad should
be able to dissipate 700W (when not covered)).

Yes I know and it does.

Just to be clear here ... you do know that it doesn't cycle on the
overtemp switch when just running the larger element on it's own?

I do NOT care.

More like 'You do not know or understand', so I can leave you to your
ignorance then.

Cheers, T i m