Setting The Air/Gas Ratio (Part Load) - REMEHA Gas 310 ECO PRO-285 Installation, User And Service Manual

Gas 310 ECO PRO - Gas 610 ECO PRO
St ºC
3
B
2.5
B
160514 - 125467-05
5.4.2.
ºCºFh
barPsi
rpm
kWµA
l/min
± 30
T004391-A
1. Unscrew the plug of the flue gas measurement point.
2. Connect the flue gas analyser.
3. Set the boiler to part load. Press the two B keys
4. Measure the percentage of O
5. If this rate does not match the required value, correct the gas/air
6. Check the flame through the flame inspection window.
T003481-D
O
2
(1) Nominal value

Setting the air/gas ratio (Part load)

For checking and/or setting the boiler Gas 610 ECO
PRO: The features and instructions described are for each
boiler module. Make sure that the other boiler module is
out of operation during this check and/or setting.
Measure the inlet gas pressure via the measuring point C
on the gas pipe. The pressure must be the same as the
one shown on the rating plate.
Ensure that the opening around the sensor is completely
sealed when taking measurements.
simultaneously. The symbol B appears. Press the [-] key until
l3 is displayed.
The 5 to 9 section boilers are supplied with a different gas
block from the 10 section boiler. See drawing for the
position of control screw B for part load.
ratio using the adjustment screw B on the gas valve unit. The
direction in which the adjustment screw must be turned to increase
or decrease the gas flow is indicated on the gas block.
The flame must be stable.
/CO control and setting values at part load for G20 (Gas H)
2
Gas 310 ECO PRO
All versions
CAUTION
The CO values when operating at low load must be lower
2
than the values when operating at full load.
5. Commissioning
or CO in the flue gases.
2 2
O (%) CO (%)
2 2
(1)
4.8 - 5.4 8.7 - 9,0
(1)
55