AERCO AM Series Boiler User Manual - Manual (Page 91)

AM Series Boilers and Water Heaters
CHAPTER 4 – UNIT START-UP
OMM-0100_0B AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 91 of 156
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4.2.1 Confirming the Unit’s Gas Type
The type of gas and the gas supply pressure that the unit is set up for is listed on the rating
label.
The AM Series boilers and water heaters can operate using one of the following two gases:
NATURAL GAS
o Maximum supply pressure = 13” W.C. (33.0 mbar).
o Minimum supply pressure = 3” W.C. (7.6 mbar).
PROPANE (LP) GAS
o Maximum supply pressure = 13” W.C. (33.0 mbar).
o Minimum supply pressure = 3” W.C. (7.6 mbar).
4.2.2 Gas Type Conversion
If the gas available at the installation site is not the type the heater is configured to use, the
heater must be converted. Special conversion kits are available for this purpose inside the
heater. The gas conversion procedure may be found in Section 3.17.6. Conversion must be
carried out by a qualified technician.
4.3 Identification of Controls
Figure 4-1: AM Series Control Panel Functions and Indicators