Special adjustment for measuring and adjusting CO2 levels

9Special adjustment for measuring and adjusting CO2 levels

The CO2 can only be adjusted by a certified gas technician with a calibrated CO2 analyzer.

Static Gas Pressure:

“ WC

P1 Operating Pressure:

“ WC

The P1 minimum operating pressure is 5" WC for Natural Gas and 11"WC for Propane. Do not proceed in adjusting CO2 until pressure has been verified to be at or above these levels, but not to exceed 14” WC.

A. Once Pressure is good

BTurn ON/OFF switch to the OFF (O) position.

BRemove brass flat head screw on the exhaust collar as seen in Fig. 42.

BInsert CO2 analyzer probe into the measuring port. The tip of the probe should be in the center of the flue pipe (approx 1.5" inserted).

Fig. 42

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