TD80™ Level Gauging and Overfill Prevention System Product Manual
Rev. 2, August 4, 2015/ TD80 Installation Page 19
2.1.3 TD80 Installation Guidelines
Probe and Transmitter Location: See TD80 Probe and Transmitter Location 2.3 for
details.
Finch Display Location:
a. Locate Finch 5332, internal Display
i. Sheltered from weather and moisture
ii. Easily visible and within reach of the operator
iii. Must be located in a non-hazardous area
b. Locate Finch 5332E external Display
i. Shielded from wheel spray and stones
ii. Easily visible and within reach of the operator
c. Avoid the following locations:
i. Direct sunlight
ii. Temperatures less than -40C and greater than +65C
iii. Near high voltage/current wiring, contactors, inverters and radio transmitters.
Finch Relay Module Location:
a. Must be located in a non-hazardous area.
Electrical Requirements: See the TD80 Dual Rod or Coaxial Technical Specifications for
details.
2.2 TD80 Installation Test and Calibration
2.2.1 TD80 Basic Operation Tests
The following steps describe basic tests to confirm that the TD80 system is functional
after installation or repair. Troubleshoot and repair all problems if the test results differ
from the ones shown.
1. Inspect installation before power is applied.
2. Turn power on to the TD80 system. The Display should turn on and go through its
start-up sequence (approximately 10 seconds long).
a. Display is tested, showing numbers 0 thru 9 and then letters A thru F
3. Display will show “----” for up to several seconds, then one of the following:
a. “2 LO” if the tank is empty or contains liquid and the depth is less than 5.5”
b. Level if the tank contains liquid and the depth is greater than 5.5”
c. Error message “E xx”, where xx is a number
d. “SPill”
2.2.2 TD80 System Testing and Verification
The following steps describe tests and to be completed after mechanical and electrical
installation of the TD80 system. These tests may also be used to confirm correct system
operation after repair. Normal responses are indicated for each test. Proceed to
troubleshooting if the test results differ from the ones shown.
1. Turn power on to the TD80 system. The Display should turn on and go through its
start-up sequence (approximately 10 seconds long).
a. Display is tested, showing numbers 0 thru 9 and then letters A thru F
b. Fill/Fall alarm is pulsed