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INSTALLATION GUIDE (NEW OEM INSTALLATIONS ONLY)
1.
The installation consists of mounting the display inside the RV, cutting and fastening the senders to the
sides of the holding tanks, connecting wiring, and programming the display.
2.
Mount the display by cutting a hole in the wall 3" wide by 1 7/8" high and bringing the wiring out through
the hole to connect to the display panel connector.
3.
Connect the wiring according to the following table. It is easier to connect the wiring to the display
connector first, and then plug the connector into the display panel. The sender needs to be grounded to a
single ground wire from the display. The pump and generator switches are wired up using spade
connectors.
Wire Color
Red 18 gauge
Black 18 gauge
Blue 18 gauge
Yellow 18 gauge
White 18 gauge
Green 18 gauge
4.
Determine where to mount the senders on the tanks. They will need to have a flat area on the side of the
tank large enough so the whole width of the sender is in contact with the side of the tank, all the way from
the top to the bottom of the tank. Make sure that any metal is at least an inch away from the sender.
Clean the area well so that there is no dust, grease, oil, water, etc., that would prevent the adhesive on
the sender from sticking.
5.
Measure the height of the tank to determine how long the senders should be. For tanks less than 13" tall,
follow step 6. For tanks greater than 13" tall, follow step 7.
6.
For tanks less than 13" tall, a single sender is used. The sender ends should be 1/4" to 3/4" away from
the top and bottom of the tank, to allow for the thickness of the tank top and bottom and any bows in them
(see the diagrams). The senders are calibrated to account for this distance from the bottom of the tank.
The sender is cut to the nearest even 1.5 inch in length, for example, a system with a tank height of 11.75
inches, cut the sender to be 10.5 inches long, this allows 5/8" at each end when the sender is centered
vertically on the tank. IMPORTANT: Do not cut the sender shorter than 4-1/2 inches! The sender
will not work if it is cut less than 4-1/2 inches.
7.
For tanks greater than 13" tall, two stacked senders are used. The sender ends should be 1/4" to 3/4"
away from the top and bottom of the tank, to allow for the thickness of the tank top and bottom and any
bows in them (see the diagrams). The senders are calibrated to account for this distance from the bottom
of the tank. In addition, there needs to be a gap of 1/16" to 1/8" to between the two senders. Therefore
total length of both senders will be: tank height -1/4"-1/4"-1/8", then rounded down to the nearest 1.5
inches. The top and bottom senders should be approximately the same length for best results. For
example, if the tank height is 22", then 22"-1/4"-1/4"-1/8"=21 3/8", so the total length of both senders will
be 21 inches. Make both senders 10.5" long.
CHAPTER 6
+12V power input to monitor
Ground
Tank senders
Pump power indicator
Generator power indicator
LPG tank
Function
13
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