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Intelli-Tank Manual (106759) 021502 – 1 – Class 1

Intelli-Tank

Water/foam tank level display

utilizing a 0-5 PSI transducer

Contents ………………………………………………….. 1

Overview ………………………………………………….. 2

Operation ………………………………………………….. 3

Installation ………………………………………………….. 5

Wiring ………………………………………………….. 7

Calibration ………………………………………………….. 9

Dim function ………………………………………………….. 11

Self test ………………………………………………….. 11

Passwords ………………………………………………….. 12

Troubleshooting ………………………………………………….. 13

Summary of content (15 pages)

PAGE 1
Intelli-Tank Water/foam tank level display utilizing a 0-5 PSI transducer Contents ………………………………………………….. 1 Overview ………………………………………………….. 2 Operation ………………………………………………….. 3 Installation ………………………………………………….. 5 Wiring ………………………………………………….. 7 Calibration ………………………………………………….. 9 Dim function ………………………………………………….. 11 Self test ………………………………………………….. 11 Passwords ………………………………………………….. 12 Troubleshooting …………………………………………………..
PAGE 2
The Intelli-Tank 4 light tank level is designed to display a liquid’s volume to an eighth of a tank level accuracy through 180-degree viewable ultra-bright LEDs. The unit set as a Master uses a 0 – 5 PSI pressure transducer to obtain tank level information and then relays that information along the data line to units set as Remotes. Multiple Remote units can be linked to the Master tank level unit.
PAGE 3
When the unit is first powered up the LEDs will cycle on individually starting with the EMPTY (bottom) LED and then the LEDs will show current status. • A Master unit properly connected to a functioning transducer will display current tank level information. • A Master unit not connected to a pressure transducer will alternately flash the bottom two LEDs. • A Remote unit connected to a Master unit (through the 1-wire data line) will mimic the Master unit’s LED condition and flash rate.
PAGE 4
Miscellaneous indications: Condition LED 4 LED 3 LED 2 LED 1 Invalid calibration AlternaFLASH AlternaFLASH EEPROM error AlternaFLASH AlternaFLASH Signal voltage above AlternaFLASH AlternaFLASH 4.8V Signal voltage below AlternaFLASH AlternaFLASH .4V Remote “NO DATA” AlternaFLASH AlternaFLASH User Error (wave off) 4 quick cycles ON ON ON ON The tank level has two flash rates: FAST (1.6Hz) and SLOW (.8Hz). AlternaFLASH flashes two lights alternately at the SLOW flash rate.
PAGE 5
Intelli-Tank display The display requires a cutout as shown. The unit is water tight and may be mounted in any location on the operator’s panel. Outer bezel dimensions.
PAGE 6
Before mounting the display and adhering the label insure that the unit is situated correctly (TOP is UP). Refer to the drawing for orientation. Pressure Transducer The transducer has a ¼” NPT mount and must be mounted vertically as depicted to insure an accurate reading.
PAGE 7
Power and Ground It is imperative that a system utilizing Master and Remote tank level units connected by the 1-wire data line have a common ground. Pin 1 Vehicle power Pin 2 Ground Dim Function The LEDs on the tank level unit can be dimmed to a user selectable dim setting by applying vehicle voltage to the Dim display Input.
PAGE 8
Typical installation layout.
PAGE 9
The Intelli-Tank display can be calibrated three different ways: 2-point (level calibration), 5-point and 9-point (volume calibration). To enter calibration mode use a magnet and activate the magnetic switches in the order of the appropriate password. When a magnetic switch is activated the display will indicate which switch was activated (Left = upper two LEDs, Right = lower two LEDs) for approximately half a second and then the display will go blank.
PAGE 10
The unit will respond by flashing the two center LEDs the same number of times as the desired calibration. The unit will then indicate the level to be calibrated by lighting the proper LEDs for that level starting with empty (see page 3, tank level indications). When the tank is filled to the proper level for calibration (dictated by the LEDs) activate the RIGHT switch to store that point. The unit will flash the top LED and then set the LEDs for the next calibration point.
PAGE 11
Dimming the Display The display can be dimmed by applying VIGN to pin 3 (Dim Display input). To select the dim level of the display use the magnetic switches to enter the password RLLR LLLR all of the LEDs will come on. Hold the magnet against the RIGHT switch and the display will either brighten or dim. Release the magnet and again hold it against the RIGHT switch and the display’s brightness will move in the opposite direction. When the dim level is at the desired point activate the LEFT switch.
PAGE 12
RLLR LLRL 2 point calibration RLLR LRLR 5 point calibration RLLR RLLR 9 point calibration RLLR LLRR Self test RLLR LLLL Configure unit as Remote unit RLLR LLLR Configure dim level Software revision check Hold a magnet on the LEFT magnetic switch while powering the unit. The LEDs will display the software revision. (Use the chart below to decipher). Example. (LED 4 – OFF, LED 3 – ON, LED 2 – OFF, LED 1 – ON) = Ver 1.
PAGE 13
Condition Evaluate Bottom two LEDs alternate flashing. Check transducer wiring. Ensure +5V at pin A, ground at pin B and at least .4V at pin C (Signal). Unit fails self test, LED 1 flashing. Top two LEDs alternate flashing. Check transducer wiring. Ensure +5V at pin A, ground at pin B and no more than 4.8V at pin C (Signal). Unit fails self test, LED 1 on. Middle two LEDs alternate flashing. Perform self test. If it fails with LED 3 on replace unit. Outer two LEDs alternate flashing.
PAGE 14
Condition Evaluate Check for large noise spikes on the data line. The bottom two LEDs are on and Insure that the unit’s ground potential is the same as the Master’s. occasionally they go Insure that the data line is not chaffed and making contact with out and the top two other electrical wires. flash and then return to the bottom two LEDs on (or viceversa). (REMOTE). The points calibrated seemed to have changed. Self test the unit to check for any malfunctions. Unit will not dim display.
PAGE 15
Intelli-Tank Manual (106759) 021502 – 15 – Class 1