Bosch Greentherm T9800 SEC 199 Installation And Operating Instructions Manual page 57

Adjust the minimum power
▶ Touch symbols or
Adjust.
Fig. 57 B1 Internal Adjust - P1 Active
▶ Touch the symbol
B1 Internal Adjust will start automatically.
The B1 Internal Adjust process takes a
couple of minutes.
▶ Do not interfere with the appliance
during the auto adjustment process.
▶ Wait until a check mark appears in the display.
B1 Internal Adjust is completed.
Fig. 58 B1 Internal adjust is completed
▶ Touch the symbol
L2 Gas Adjust value is shown (ionization).
1) B1 Internal Adjust will calculate automatically the amount
of air in low fire (P2). This method uses P1 values to start
calculation.
Greentherm T9800 SE 160/199 | SEC 199
until display shows B1 Internal
to enter B1 Internal Adjust.
to enter L2 Gas Adjust.
▶ Touch the symbol
Fig. 59 L2 Gas Adjust - ION value
▶ Adjust parameter until ION value is according to table 24.
1)
▶ Touch the symbol
▶ Touch the symbol
Minimum power adjust is completed.
L2 Gas Adjust
ION (L2 Gas Adjust)
ION (L2 Gas Adjust)
Table 24 L2 ION values
1) For information on unit's configuration (gas type: NG/LPG
and capacity: 160 000BTU/199 000BTU), see rating plate
(chapter 3.3).
Gas and Air adjustment is complete.
Ionization Control
Minimum power and check (P2)
Troubleshooting | 57
.
L2 Gas
17
Adjust
128
ION
6720816815-39.1V
to save value.
to return to the main menu.
1)
199 000 BTU
Natural Gas
125 - 160
150 - 180
Default setting is Off.
▶ Only a qualified technician can change
this parameter.
▶ Only a qualified technician can change
this parameter.
6 720 816 815 (2018/08)
160 000 BTU
100 - 130
LP Gas
100 - 135