AERCO AM Series Boiler User Manual - Manual (Page 87)

AM Series Boilers and Water Heaters
CHAPTER 3 – INSTALLATION
OMM-0100_0B AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 87 of 156
GF-146
Ph.: 800-526-0288 PRI - 07/14/14
Gas Rating Conversion of Burners 2, 3, and 4
After converting Burner 1 (Master), you must convert Burner 2, Burner 3 (if present), and
Burner 4 (if present). Refer to Figure 3-46 and perform the following steps:
1. Turn the power OFF to the unit.
Burner 2:
2. Disconnect plug “B” from connector “A”.
3. Connect plug “B” to connector “C”.
4. Repeat Step 1 through Step 20 of the previous instructions “Gas Rating Conversion of
Master Burner”.
5. Ensure power is still OFF to the unit.
Burner 3 (if present):
6. Disconnect plug “B” from connector “C”.
7. Connect plug “B” to connector “D”.
8. Repeat Step 1 through Step 20 of the previous instructions “Gas Rating Conversion of
Master Burner”.
9. Ensure power is still OFF to the unit.
Burner 4 (if present):
10. Disconnect plug “B” from connector “D”.
11. Connect plug “B” to connector “E”.
12. Repeat Step 1 through Step 20 of the previous instructions “Gas Rating Conversion of
Master Burner”.
After converting all burners:
13. Connect plug “B” to plug “A”.
14. Check the inlet gas pressure of the unit, per Section 4.6.
15. Attach to the front of the heater the appropriate conversion label, found in the conversion kit
stating the new type of gas adjustment of the heater as follow:
a) Apply the label in Figure 3-47 if the heater has been converted to PROPANE GAS.
b) Apply the label in Figure 3-48 if the heater has been converted to NATURAL GAS.