AERCO Modulex EXT 321 - 1123 - Manual (Page 75)

MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
3.35 High Altitude Adjustment
It is necessary to adjust the fan speed at altitudes at or above 5,000 feet. Modify the parameter
FAN MAX from the E8 Control Panel. Note that it is modifiable only with an access code. See
Table 3-7 on the next page for a list of the FA (Factory) parameters.
Figure 3-40: Adjusting Fan Speed to Set Input Range for High Altitude
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WARNING!
This conversion to high altitude
operation shall be made by a
qualified service agency in
accordance with the manufacturer’s
instructions and all applicable codes
and requirements of the authority
having jurisdiction. The qualified
service agency is responsible for the
proper installation of this conversion.
The installation is not proper and
complete until the operation of the
converted appliance is checked as
specified in the manufacturer’s
instructions supplied with the unit.
OMM-0087_0E AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913 Page 75 of 148
GF-143 Phone: 800-526-0288 12/01/14