Mascot lx boilers and water heaters, High-fire setting, Low-fire setting – LAARS Mascot LX MLXC 175 MBH - Install and Operating Manual User Manual
Page 45

Mascot LX Boilers and Water Heaters
Page 41
GAS TYPE
CO2 (%) RANGE
)
Natural 8.9 __ 9.9
Propane 9.9
__ 10.9
Table 17. CO
2
Range and Pressure Settings.
Figure 26. Adjustment Screws and Settings for CO
2
Manifold
Pressure
Screw
(under
cap)
High-fire
setting
Adjustment Screws on
Gas Valve
Close door first, before
measuring CO2 Range
Low-fire
setting
Note: High and Low Fire CO2 settings
should be approximately equal.
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