10
Part 3.
Checking/Adjusting the CO2
Carbon Monoxide - Never
leave the unit operating while
producing Carbon Monoxide (CO)
concentrations in excess of the
values indicated in Table 3. Failure
to follow this warning may result in
serious injury or death.
4. Ending Adjustment
1. Exit Test Mode by pressing RESET.
2. Turn down the thermostat and / or stop
the DHW draw-off. For Only Heating
Boiler applications reset all thermostatic
valves.
3. Reinstall the combustion test port.
See Figure 6.
4. Check for and repair any leaks of gas.
5. Reinstall the front cover.
WARNING