Checking And Setting The Gas/Air Ratio - REMEHA Quinta Pro 30 Installation, User And Service Manual

Fig.38 Flue gas measuring point
Fig.39 Setting to full load
St ºC
123157 - v.12 - 07022018
Tab.27
7.6.2
AD-0000069-01
ºCºFh
barPsi
rpm
kWµA
l/min
± 30
AD-0000529-01
If operating on propane
Boiler type Action
Quinta Pro30 Rotate the adjusting screw A on the venturi 3½ turns
in a clockwise direction
Quinta Pro 45 Rotate the adjusting screw A on the venturi 4¾ turns
in a clockwise direction
Quinta Pro 55 Rotate the adjusting screw A on the venturi 6½ turns
in a clockwise direction
Quinta Pro 65 Rotate the adjusting screw A on the venturi 6½ turns
in a clockwise direction
Quinta Pro 90 Replace the current gas valve unit with the propane
gas valve unit according to the instructions supplied
with the propane conversion kit
Quinta Pro 115 Rotate the adjusting screw A in a clockwise direction
until it is closed, then:
Rotate the adjusting screw A on the gas valve unit
3½–4 turns in an anticlockwise direction
1. Set the fan speed using parameters.
2. Check the setting of the gas/air ratio.
For more information, see
Checking and setting the gas/air ratio, page 45
Parameter descriptions, page 51

Checking and setting the gas/air ratio

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 /CO .
2 2
The flue gas analyser must meet the requirements of BS 7927
or BS-EN 503793 and be calibrated according to the manufac­
turer's requirements.
3. Measure the percentage of O
urements at full load and at part load.
Important
Measurements must be taken with the front casing off.
Performing the full load test
1. Press the two keys at the same time.
The symbol appears on the display. The boiler is now set to
full load.
7 Commissioning
/CO in the flue gases. Take meas­
2 2
45