AM Series Boiler & Water Heater User Manual
CHAPTER 7: INSTALLATION
– NATURAL GAS
OMM-0100_E
•
GF-146
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11/15/2019
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Gas Rating Conversion of Master Burner 1
- Continued
16.
Check for any gas leaks on nut “H” as per Figure 7-2.
17.
Turn the power ON to the unit.
18.
Turn completely counter-
clockwise screw “E” in Figure 7-5.
19.
Check the gas supply pressure per Section 8.6. The minimum gas supply pressure must not
be less than 3” W.C. (7.6 mbar) and the maximum gas supply pressure must not be higher
than 13” W.C. (33 mbar).
20.
Verify the CO
2
rate and its adjustment per Section 8.7.
Figure 7-2: Dismantling the Gas Valve Figure 7-3: Lifting up the Gas Valve
Figure 7-4: Gas Valve Orifice Figure 7-5: Gas Valve Adjustments
