Co 2 Value - A.O. Smith Innovo 12-160 Installation, Service & Maintenance Manual

8.9.4
54
Fig. Gas supply pressure
1
4
CO value
2
Check the CO value:
2
1. Open the gas supply.
2. Remove the cap (1) from the test nipple (2) of the flue gas outlet pipe.
3. Place the measurement probe of the CO
outlet pipe.
4. Turn on the water heater, refer to Turn on the water heater (see section 4.2).
5. Set parameter 201 to Hi, refer to Settings (see section 10).
1. Adjuster screw
2. Gas control valve
3. Gas supply pipe
4. Sealing screw
2
3
meter in the test nipple of the flue gas
2
Installation, Maintenance and Service part