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7. Confirm that the boiler is running and then press
‘Start Test’
8. Press ‘Maximum Modulation’.
You will have 5 minutes to adjust Hi-Fire CO2. A
test timer will appear on the bottom right corner of
the screen counting up to 5 to 5 minutes.
Be sure to give your combustion analyzer time
to get a stable reading after making the Hi-Fire
adjustment at the gas valve.
9. Once Hi-Fire CO2 is within an acceptable range,
press ‘Stop Test’.
12. Repeat steps 6 through 11 a few times to
confirm that both Hi-Fire and Low-Fire are within
the acceptable levels for your unit.
See Figure 45 thru Figure 47.
10. Press ‘Minimum Modulation’
11. Press ‘Start Test’. You will have 5 minutes to adjust
Low-Fire CO2. Press ‘Stop Test’ when done.
N
EO
T
HERM
Commercial Boilers and Water Heaters
Summary of Contents for Neotherm NTH
Page 4: ...LAARS Heating Systems...
Page 36: ...Page 36 Figure 22 Hydronic Piping Single Boiler Zoning with Circulators LAARS Heating Systems...
Page 52: ...Page 52 Figure 36 Ladder Diagram 7 H Ladder Diagram LAARS Heating Systems...
Page 100: ...Page 100 Parts Illustration 4 Internal Components Sizes 750 850 LAARS Heating Systems...
Page 102: ...Page 102 Parts Illustration 6 Gas Train Components Sizes 600 850 LAARS Heating Systems...
