29th Dec 2025
- Top cylinder 50° (controls final shutdown if boiler is out and no heat stored)
- Top of dual stat (burner control) 82°
- Bottom of dual stat below 70° return heat pump from accum
- Overtemp pump start above 79° boost heat flow to accum
Both accumulator storage tank pumps reversed direction, System shut down changed to 50°
26th nov 2025
first lit on 24th
flow 1 1/2 turns opened to UFH in airing cupboard
Boiler circ pump (Laddomat) at no 2 after freeing from sludge starts about 60deg
- Top cylinder 58° (controls final shutdown if boiler is out and no heat stored)
- Top of dual stat (burner control) 83°
- Bottom of dual stat below 74° return heat pump from accum
- Overtemp pump start above 80° boost heat flow to accum
24th nov 2024
LAE MTC12 instructions ( to alter bottom one, alter top first , then reset)
Increased return heat stat from 62 to 70
Gas valve shut off up to 43
3 port valve actuator failed and removed
flow restricted to UFH in airing cupboard
4th Dec 2023
Stats needed for new box:
- Top cylinder 51° (controls final shutdown if boiler is out and no heat stored)
- Top of dual stat (burner control) 82°
- Bottom of dual stat below 62° return heat pump from accum
- Overtemp pump start above 80° boost heat flow to accum
21st March 2023
End of 2022 logs, last week
House set -back 15 ° on Gas 17° on wood
20th Feb
House 3 port valve and gas control set down to 36°
- Top cylinder 51° (controls final shutdown if boiler is out and no heat stored)
- Top of dual stat (burner control) 82°
- Bottom of dual stat below 62° return heat from accum
- Bottom cyl
- Overtemp pump start (Top left stat) above 80° boost heat pump to accum
- Mid cylinder (bottom right stat) stoke alarm disconnected
30 Jan 2023
disc usage 6,199.83
House 3 port valve and gas control set down to 36°
- Top cylinder 51° (controls final shutdown if boiler is out and no heat stored)
- Top of dual stat (burner control) 80°
- Bottom of dual stat below 62° return heat from accum
- Bottom cyl not needed
- Overtemp pump start (Top left stat) above 78° boost heat to accum
- Mid cylinder (bottom right stat) stoke alarm disconnected
20 Dec 2022
on vigas controller instuction P10 in the manual
- max 225°
- end 90°
- fan 3
- min fan3%
- need to disable accum return pump after a cold start, (takes all heat out if boiler can’t maintain temperatre due to high demand)
Nov 21st 2022
- Max water temp 75°
- Max Flue 220°
- Min flue now 90° (Shuts down boiler at the end of a cycle)
- Min Fan 3%
Top stat now 60° shut down earlier
Bottom stat is now new pump to return heat from Accumulator pump on below 59°
Thermostat Settings 24th Feb 2022
- Top cylinder 56° (controls final shutdown if boiler is out and no heat stored)
- Mid cylinder (burner control) 79°
- low cylinder(stoking needed alarm) 64°
- Mid cylinder (Accumulator circ pump on) 74°
- overtemp pump start (Top left stat) 78°
- Bottom cylinder (bottom right stat) 60°
On boiler control panel:
- Max water temp 75°
- Max Flue 220°
- Min flue 75° (Shuts down boiler at the end of a cycle)
- Min Fan 3%
- stopped rolling display
- brightness 65%