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Bosch Greentherm T9900 SE 160 Installation And Operating Instructions Manual page 66

Indoor residential tankless water heaters, 160 000/199 000 btu- natural gas 160 000/199 000 btu - liquefied petroleum lp gas
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Troubleshooting
▶ Insert analyzer probe into the measuring port. The tip of the
probe should be in the center of the flue pipe (approx 1.5"
inserted). Avoid air gaps between probe and measuring
port as they can alter readings.
Fig. 65
Measuring port
8.13.2 CO
and CO values
2
CO
2
Greentherm 9800 SE / SEC
199 000 BTU
Nat. Gas
max. input
P1 8.4 % - 9.0 %
min. input
P2 N/A
LP Gas
max. input
P1 9.7 % - 10.4 %
min. input
P2 N/A
* Values above are for climate controlled conditions.
Inputs such as gas pressure, heating value of the gas,
humidity and temperature of combustion air all impact CO
and CO
values. Changes in these inputs can result in
2
different CO and CO
values on the same appliance.
2
Table 27 CO & CO target numbers
66
range (%)
Max. CO level
(measured)
< 250 ppm
< 100 ppm
< 250 ppm
< 100 ppm
CO
2
Greentherm 9800 SE
160 000 BTU
Nat. Gas
max. input
P1 8.5 % - 9.1 %
min. input
P2 N/A
LP Gas
max. input
P1 10.0 % - 10.6 %
min. input
P2 N/A
* Values above are for climate controlled conditions.
Inputs such as gas pressure, heating value of the gas,
humidity and temperature of combustion air all impact CO
and CO
values. Changes in these inputs can result in
2
different CO and CO
values on the same appliance.
2
Table 28 CO & CO target numbers
8.13.3 Returning to Service
▶ Remove the analyzer probe and insert the screw into the
flue adaptor.
▶ Touch the symbol
The appliance is ready for normal operation.
Greentherm T9900 SE/i – 6 720 813 635 (2019/03)
range (%)
Max. CO level
(measured)
< 250 ppm
< 100 ppm
< 250 ppm
< 100 ppm
to exit service menu.

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Greentherm t9900 se 199Greentherm t9900 se/i 199