Bosch AquaStar 2400 EO Manual

Also see for 2400 EO NG: User manual User manual Service bulletin

6 720 608 25728Special adjustment for measuring and adjusting CO2 levelsD. Returning to Service:1. Return slotted cover to original position.2. Reinstall Torx cover.3. Remove CO 2 analyzer probe and reinstall plug inexhaust collar.4. Turn ON/OFF switch to the OFF (O) position andthen back to the ON (I) position.5. Heater is ready for normal operation.Final ReadingsP2 CO 2 Reading: % CO2P1 CO 2 Reading: % CO2Fig. 37Fig. 38Without FrontCoverWith FrontCoverNat. Gas Nat. Gasmax. input P1 9.1 ± 0.1 % 9.7 ± 0.1 %min. input P2 9.4 ± 0.1 % 9.7 ± 0.1 %LP Gas LP Gasmax. input P1 10.1 ± 0.1 % 10.7 ± 0.1 %min. input P2 10.4 ± 0.1 % 10.7 ± 0.1 %* Final reading must be confirmed with the front coveron, CO2 levels increase when the cover is installed.Table 7