A.O. Smith Innovo IR 12-160, Installation, User And Service Manual

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11.3.2 Clean the condensate drain
To clean the condensate drain:
1.
Place a tray or towels under the condensate drain to collect water leakage.
2. Remove the condense trap at the bottom of the condensate drain.
3. Empty the condense trap and clean it with water.
4. Make sure that there is no grit or other blockages in the condense trap.
5. Make sure that there is no grit or other blockages in the condensate drain.
6. Make sure that there is no grit or other blockages in the drain pipe.
7. Make sure that the slope of the drain pipe is correct; 5 mm/m.
8. Install the condense trap onto the condensate drain.
Fig. Condensate drain
1 2 3
1. Condensate drain
2. Condense trap
3. Drain pipe
11.4 Gas-side maintenance
Do gas side maintenance when the water heater does not operate correctly, the air
pressure differential is not correct and/or the CO
2
value is not correct.
To do gas side maintenance:
• Clean the burner (see 11.4.1)
• Clean the combustion chamber (see 11.4.2)
11.4.1 Clean the burner
Remove the burner engine:
1.
Close the gas control valve, refer to Installation diagram (see 8.3).
2. Disconnect all plugs from the burner engine (1).
3. Disconnect the gas supply pipe (2).
0312266_INNOVO_UKUK_ V5.1, 2022-07-12
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