AERCO AM Series Boiler User Manual - Manual (Page 84)

AM Series Boilers and Water Heaters
CHAPTER 3 – INSTALLATION
Page 84 of 156 AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 OMM-0100_0B
PRI - 07/14/14
Ph.: 800-526-0288
GF-146
3.17.5 High Altitude Operation
AERCO is currently developing the high altitude calibration procedure. For further information,
please contact AERCO applications engineering.
For installations at higher altitudes in the United States, follow local codes or, in the absence of
local codes, follow ANSI Z223.1/NFPA No. 54, The National Fuel Gas Code, and check and
adjust the CO
2
level following Section 4.7.
3.17.6 Conversion from Natural gas to Propane Gas
All AM Series units are multi-burner appliances. This means that the gas conversion must be
performed on each burner present inside the unit.
The gas conversion shall be performed by a qualified service agency in accordance with these
instructions and all applicable codes and requirements of the authority having jurisdiction. The
information in these instructions must be followed to minimize the risk of danger. The qualified
service agency is responsible for the proper conversion of the appliance. The installation is not
proper and complete until the operation of the converted appliance is checked as specified in
these instructions.
Conversion shall be carried out in accordance with the requirements of the provincial authorities
having jurisdiction and in accordance with the requirements of the CAN-B149.1 and CAN1-
B149.2 installation code.
3.17.6.1 Gas Conversion Kit
The conversion kit (supplied with the unit) is composed of the following parts, which are
necessary for the gas change:
• A label stating the new gas rating and settings.
• Instructions for the change.
• An orifice for each burner present in the unit.
3.17.6.2 Gas Conversion Instructions
To change the gas type used by the unit, follow the instructions starting on the next page: