AERCO AM Series Boiler User Manual - Manual (Page 86)

AM Series Boilers and Water Heaters
CHAPTER 3 – INSTALLATION
Page 86 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14
Ph.: 800-526-0288
GF-146
Gas Rating Conversion of Master Burner 1 (Cont.)
16. Check for any gas leaks on nut “H” as per Figure 3-42.
17. Turn the power ON to the unit.
18. Turn completely counter-clockwise screw “E” in Figure 3-45.
19. Check the gas supply pressure per Section 4.6. 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 4.7.
Figure 3-42: Dismantling the Gas Valve Figure 3-43: Lifting up the Gas valve
Figure 3-44: Gas Valve Orifice Figure 3-45: Gas Valve Adjustments