Dipswitch Settings - A.O. Smith 510 Outdoor Service Manual

12-5. Dipswitch settings

The 510 Indoor shares the computer board with the 510 Outdoor.
There are two banks of dipswitches (upper and lower bank) on the
computer board. The upper bank has certain special functions as
shown on the following table and generally should not need
adjustment. Carefully verify the functions of each dipswitch before
changing any settings.
The functions of the upper bank of dipswitches
No. Functions
1 Gas type
2
3 Allow adjustments of fan motor speed
(Changing the FM speed is similar to changing the
manifold pressure. See section 12-13)
4 FM+, FM++ and FM+++
5 (FM speed is increased automatically. See section 12-10)
510 Indoor
510 Outdoor
6 N/A
OFF position
No. 5
ON position
OFF position
No. 6
ON position
510 Indoor / 510 Outdoor Service Manual
ON position
Propane
Natural gas
Enable
No. 4
OFF position
0 %
+12 %
No. 5
OFF position
0 %
+8 %
N/A
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CONFIDENTIAL
Ver. 1.00
Upper bank of dipswitches
Lower bank of dipswitches
OFF position
Disable
Disable
Disable
(Default)
ON position
+6 %
+18 %
ON position
+4 %
+12 %
N/A
(Default)