MODULEX EXT 321, 481, 641, 802, 962, 1123 BOILERS
Installation, Operation & Maintenance Manual
OMM-0087_0F
AERCO International, Inc.
•
100 Oritani Dr.
•
Blauvelt, NY 10913
Page
75
of
146
GF-143
Phone: 800-526-0288
07/13/15
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
NOT
E
See
the
v
al
ue
of
par
am
et
er
FH
(F
AN
M
AX
) in
Tabl
e
3-
7
, and
M
odu
le
x
EX
T
Pr
es
sur
e
and
C
O
2
Lev
el
C
al
ibr
at
ion
in
Tabl
e
3-
6
.
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.
