High Altitude Adjustment - Watts AERCO Modulex EXT Commercial Series User Manual

Modulex EXT Commercial Series Boilers User Manual
CHAPTER 4: Installation Instructions

4.35 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 4-7 on the next page for a list of the FA (Factory) parameters.
WARNING!
This conversion to high altitude
operation shall be made by a
qualified service
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
conversion. The installation is not
proper and complete
operation of the
appliance is checked as specified in
the manufacturer's
supplied with the unit.
Figure 4-31: Adjusting Fan Speed to Set Input Range for High Altitude
OMM-0095_0H
GF-139
agency in
of this
until the
converted
instructions
AERCO International, Inc. • 100 Oritani Dr. • Blauvelt, NY 10913
Phone: 800-526-0288
Page 71 of 144
09/15/2017