4. Set the components (thermostats, control) so that heat is deman
ded.
The start-up program will start and cannot be interrupted. During
the start-up cycle, all segments of the display are shown briefly.
Error during start-up procedure:
In the event of a fault, a message with the corresponding code is dis
played.
The meaning of the error codes can be found in the error table.
See
Manual for the control panel.
7.3
Gas settings
7.3.1
Adjusting to a different gas type
Warning
Only a qualified engineer may carry out the following operations.
The factory setting of the boiler is for operation with the natural gas group
G20 (H gas).
Before operating with a different type of gas, carry out the following steps:
1. Fit the gas disphragm in the gas block. If the boiler is modified, for
G30/G31 (butane/propane):
Tab.20 Gas diaphragm for G30/G31 (butane/propane)
Gas diaphragm for G30/G31 (butane/propane)
Ø (mm)
Quinta Ace 160
9.0
2. Set the fan speed as indicated in the table (if necessary). The set
ting can be changed with a parameter setting.
3. Check the setting of the gas/air ratio.
See
Checking/setting combustion, page 41
7.3.2
Checking/setting combustion
1. Unscrew the cap from the flue gas measuring point.
2. Insert the probe for the flue gas analyser into the measurement
opening.
Warning
During measurement, seal the opening around the sensor fully.
Important
The flue gas analyser must have a minimum accuracy of ±0.25%
O
2
/CO
2
.
Important
The flue gas analyser must meet the requirements of BS 7927 or
BS-EN 503793 and be calibrated according to the manufacturer's
requirements.
3. Measure the percentage of O
2
/CO
2
in the flue gases. Take meas
urements at full load and at low load.
Important
Measurements must be taken with the front casing off.
Fig.40
Installing gas diaphragm
AD-3000835-01
Fig.41
Flue gas measuring point
AD-0000222-01
7 Commissioning
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