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AM Series Boilers and Water Heaters
CHAPTER 7: INSTALLATION – NATURAL GAS
Page
80
of
154
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
OMM-0100_0D
03/28/16
Ph.: 800-526-0288
GF-146
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