How exactly do I set-up a Grant solar controller to show the heat collected?

Cerbera

I have a Grant 3-panel in-roof solar kit and it has the SD1 PT controller.

It is installed about 2 months now and it seems to be working fine, plenty of hot water and the oil is hardly ever on to boost it.

It cuts in at 40*C and will bring the cylinder up to a maximum of 70*C (it only got there once so far).

The 3 probes all read fine but the displays for the amount of heat collected on the day and the total amount of heat collected never read anything and are actually still at zero.

Now I'm generally fine with all sorts of controllers, etc but I'm fu(ked if I can figure out how to get this part working.

Help .....

Cerbera

Oh and I have read the instructions but I just can't get my head around how to get this working.

JohnnieK

Have you tried your installer or ringing Grant?

Cerbera

Installer thought everything was set and should work.

I never thought of ringing Grant, I'll do that if I don't get sorted.

Cerbera

I can't seem to get home during the day these days to ring Grant while I'm in front of the controller so can any of you lot explain what I need to do to switch on this function?

kscobie

I have a page i got from Grants years ago, but cant upload the photo of it, so here is the short version

Press the plus and minus buttons together and release
Press the plus button until you get to number 75 on the left hand side.
Press the first button 6 times ( the red light will now be on)
Press the plus button until it reads 2.5 on the right hand side
Press the fisrt button to save
Press the plus and minus button together and release.
The output can now be read per day or system total

Cerbera

That got it working fine for me.

Thanks.