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buildup in the tank. Note that the system "learns" about the
characteristics of the tank with use, so the readings may be
inaccurate when the tank is empty or almost empty when the
system is first tested. Once the tank has been filled at least
1/4 full the system will be properly "taught" and should read
correctly after that.
17. If equipped, connect the pump switch as required.
WARNING: The pump switch is rated for a maximum of 7.5
amps. The use of a relay is required if more than 7.5 amps is
needed. We recommend using a 7.5 amp fuse inline with the
switch.
18. Verify that the battery voltage reads correctly. If it appears
low, make sure you have good wiring for the 12 volt power
and the ground.
To add a second display to system
1. The second display will need to be supplied with its own
12VDC power and ground.
2. The blue wire for the senders will also need to be run in
parallel with the inside display.
3. You will not be able to operate both displays at the same
time, one or both displays may read error if two people try
the displays at the same time.
Page 18
709-LL Manual
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