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To program the sender for the correct tank:
1.
Since the senders are all connected in parallel to save wiring and to simplify
installation, the senders must be programmed so they know which tank they are
on. The senders can be programmed for either the fresh, grey, or black tank.
This is done with the two tabs on the top corners of the sender. See the
following diagram.
2.
The senders default to fresh tank operation if the programming is not altered.
Consequently, if the sender is for the fresh tank, nothing further needs to be
done to it.
3.
If the sender is for the grey tank, remove the tab that says "GRY" next to it.
4.
If the sender is for the black tank, remove the tab that says "BLK" next to it.
5.
This is all that is required to program the senders for the correct tank. However,
if you make an error, you have one chance to correct it, as described below.
6.
If the "GRY" tab has been removed and it should be a black tank sender, or if the
"BLK" tab has been removed and it should be a grey tank sender, then cut out
the recessed grey-black correction tab that says "GBC" next to it. This reverses
the effect of the grey and black tabs.
7.
If either the "GRY" or "BLK" tabs have been removed and it should be for a fresh
tank, then remove the other "GRY" or "BLK" tab. When both the "GRY" and
"BLK" tabs are removed, it is equivalent to neither of them being removed.
8.
If the sender is single, no further programming is required.
9.
If dual stacked senders are used, the top sender must have additional
programming, as described below.
To program the sender as top or bottom:
1.
Since the senders are all connected in parallel to save wiring and to simplify
installation, the senders must be programmed so they know whether they are a
single, top, or bottom sender. This is done with the tab at the top center of the
sender. See the following diagram.
2.
The senders default to single or bottom operation if the programming is not
altered. Consequently, if the sender is for single or bottom operation, nothing
further needs to be done to it (beyond programming it for the correct tank).
3.
For a top sender, remove the tab that says "TOP" next to it.
CHAPTER 5
SENDER PROGRAMMING
10
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