thermital 20105840, Руководство по установке и обслуживанию

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49
ENGLISH
TECHNICAL ASSISTANCE SERVICE
ADJUSTING THE GAS VALVE
- Switch on mains power to the boiler.
- Open the gas cock.
- Turn the function selector to OFF/RESET (the display
shows “
- -
”).
- Pull off the DHW temperature selector knob (3) and the
function selector knob (7).
- Press the combustion analysis button.
- Wait for the burner to ignite. The display will read out
“CO” and the boiler will start functioning at maximum
central heating power. The chimney sweep function
remains active for a maximum time of 15 minutes. If the
central heating flow reaches a temperature of 85°C, the
burner shuts down. The burner will re-ignite when cen-
tral heating flow temperature drops below 75°C.
- Remove the cap and insert the combustion analysis
probe.
- Turn the Max CH trimmer clockwise until maximum fan
speed is reached (see table).
- Check the CO
2
content. If the value is not as speci-
fied in the table, adjust the gas valve maximum screw
accordingly.
- Turn the Max CH trimmer anticlockwise until minimum
speed is reached (see table).
- Check the CO
2
content. If the value is not as speci-
fied in the table, adjust the gas valve minimum screw
accordingly.
- Return the Max CH trimmer to the correct Max CH set-
ting (see table).
- Turn the function selector to exit chimney sweep mode.
- Remove the combustion analysis probe and replace
the cap.
- Fit the knobs back on the control panel.
The combustion analysis function stops automatically if
the control card detects an error condition. If an error
occurs during combustion analysis, proceed as follows
to perform a reset. Turn the function selector to "
Ç
", and
then to "
Ö
", and then to the desired function.
MAXIMUM FAN SPEED
METHANE
(G20)
PROPANE
(G31)
20/200
6.1 6.1 x 1000 rpm
30/200 6.0 6.0 x 1000 rpm
MINIMUM FAN SPEED
METHANE
(G20)
PROPANE
(G31)
20/200
1.3 1.3 x 1000 rpm
30/200
1.6 1.6 x 1000 rpm
MAX CO
2
VALUES
METHANE (G20) PROPANE (G31)
20/200 9,0 10,0 %
30/200
9,0 10,0 %
MIN CO
2
VALUES
METHANE (G20) PROPANE (G31)
20/200 9,5 10,0 %
30/200
9,5 10,0 %
20
40 60 80
100
4
3 2 1
0
0 120
Max. gas
power screw
Max. gas
power screw