49
GAS SUPPLY ADJUSTMENTS
(COMMISSIONING PART II)
Adjusting to the maxi-
mum heat load (nominal
load)
●
TURBOmax only:
Set the DHW tem-
perature control to maximum and
fire the boiler at full rate by fully
opening a hot water tap.
●
THERMOcompact only:
- Turn off the boiler at the main
ON/OFF control.
- Press and hold the „
+
” button,
while pressing the button turn the
main ON/OFF control to the „
1
”
ON position.
- Continue holding „
+
” button until
display alternates between „
P1
”
and „
P2
”. Release „
+
” button.
- Press „
+
” button until „
P1
” (full
gas rate) is shown in display.
- Press „
i
” button to operate boiler
at full gas rate.
●
Using a 7 mm spanner turn the
inner hexagonal nut (
1
) to adjust
the burner operating pressure.
- Turn the nut (
1
) clockwise to
increase the nominal load
- Turn the nut (
1
) anticlockwise to
decrease the nominal load
●
Adjust the burner pressure until it
matsches the maximum output as
detailed on page 22.
●
Now turn the 7 mm hexagonal nut
(
1
) anticlockwise until the burner
pressure drops by approx. 0.3 -
0.4 mbar.
Nominal load is now correctly adju-
sted.
●
Refit the plastic cap (
2
).
The plastic cap (2) must be fit-
ted for the gas valve assembly
to function correctly.
●
TURBOmax only:
Turn off the hot
water tap.
●
THERMOcompact only:
To cancel
selected „
P1
“ or „
P2
“ mode press
the „
i
“ and „
+
“ buttons sumulta-
neously.
2
1
7
7
Fig. G.5
Euro B/S GU_GB_013/0
