12-5. Dipswitch settings
The T-D2-IN shares the computer board with the T-D2-OS. The
computer board has two bank of dipswitches: “upper” and
“lower”. 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 ON position OFF position
1 Gas type Propane Disable
2 Natural gas Disable
3 Allow adjustments of fan motor speed
(Changing the FM speed is similar to changing the
manifold pressure. See section 12-13)
Enable Disable
(Default)
4
5
FM+, FM++ and FM+++
(FM speed is increased automatically. See section 12-10)
No. 4
OFF position ON position
No. 5
OFF position 0 % +6 %
ON position +12 % +18 %
No. 5
OFF position ON position
No. 6
OFF position 0 % +4 %
ON position +8 % +12 %
6 N/A N/A N/A
(Default)
Upper bank of dipswitches
Lower bank of dipswitches
T-D2-IN
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