Dynamic Gas Pressure Test Port - Bosch Greenstar combi 100 p Installation And Service Instructions For Contractors

▶ Remove screw ( Fig. 59, [3]) from the gas valve adjustment screw
( Fig. 59, [2]) and set CO
2
output.
3
2
1
Fig. 59 Setting the CO or O values for minimum nominal output
2 2
▶ Re-check settings at maximum and minimum nominal output and re-
adjust if necessary.
▶ Repeatedly press the emissions test button
out.
The display returns to the supply temperature.
▶ Record the CO or O levels and the CO content of the flue gas in the
2 2
commissioning log.
▶ Reinstall screw ( Fig. 59, [3]) to cover the adjustment screw
( Fig. 59, [2]) on the gas valve again.
▶ Remove flue gas probe and close the flue gas test port properly.
Fig. 60 Close flue gas test ports
Greenstar combi 100 p / 151 p
or O value for minimum nominal
2
until the light goes
6 720 641 933-80.1O
11.4

Dynamic gas pressure test port

▶ Switch the appliance OFF and close the gas shut-off valve.
▶ Loosen the screw in the test port for gas inlet pressure ( Fig. 47,
[1]) and connect a pressure gauge ( Fig. 61).
Fig. 61 Dynamic gas pressure test port
▶ Turn on the gas cock and switch the appliance ON.
▶ Press and hold the emissions test button
The supply temperature alternates on the display with
maximum set heat output.
▶ Briefly press the emissions test button
The supply temperature alternates on the display with
maximum nominal output.
▶ Check the required inlet gas pressure according to table 26.
Gas type Nominal pressure
" W.C. (mbar)
NG 7 (17.4)
LPG (propane) 11 (27.4)
Table 26 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.
▶ Repeatedly press the emissions test button
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.
Gas adjustment | 47
until it lights up.
=
chimney sweep button.
=
Permissible pressure range
for maximum nominal output
" W.C. (mbar)
3.5-10.5 (8.7-26.1)
8-13 (19.9-32.3)
until the light goes
6720872361 (2017/04)