installation manual

Gas type conversion | 61
6 720 806 992 (2013/07)Greenstar
▶ Remove flue gas probe and close the flue gas test port properly.
Fig. 75 Close flue gas test ports
11.4 Dynamic gas pressure test
▶ Switch the appliance OFF and close the gas shut-off valve.
▶ Loosen the screw in the test port for gas inlet pressure
( Fig. 74, [1]) and connect a pressure gauge ( Fig. 76).
Fig. 76 Dynamic gas pressure test port
▶ Turn on the gas cock and switch the appliance ON.
▶ Press and hold the emissions test button until it lights up.
The display shows the supply temperature alternating with =
maximum set output in heating mode.
▶ Briefly press the emissions test button .
The display shows the supply temperature in alternation with =
maximum nominal output.
▶ Check the required inlet gas pressure according to table 32.
▶ Repeatedly press the emissions test button until the light goes
out.
The display returns to the supply temperature.
▶ Switch the appliance OFF, turn off the gas cock, remove the pressure
gauge and tighten the screw in the test port for gas inlet pressure.
▶ Reinstall the cover.
6 720 641 933-80.1O
Gas type
Nominal
pressure
" W.C. (mbar)
Permissible pressure range
for maximum nominal output
" W.C. (mbar)
NG 7 (17.4) 3.5-10.5 (8.7-26.1)
LPG (propane) 11 (27.4) 8-13 (19.9-32.3)
Table 32 Inlet gas pressure
Do not operate the appliance if the measured value is
below or above these values. Determine the cause and
eliminate the fault. If this is not possible, block the
appliance on the gas side and notify the gas supplier.
6 720 614 090-34.2O