TD80â„¢ Level Gauging and Overfill Prevention System Product Manual
Page 38 TD80 Installation/ Rev. 2, August 4, 2015
2.5 TD80 Basic System Installation Wiring
2.5.1 Finch 5332E/PS External Display, Red Terminal Board
Wiring Instructions
Wiring steps for single TD80 and Finch Display. Refer to Figure 2-12 & Figure 2-13 for
Finch 5332E/PS (red board) installation.
1. Fused Power wire from nose box socket or junction box to Finch POWER IN (25)
2. Ground wire from nose box socket or junction box to Finch GROUND IN (24)
3. TD80 Power (black wire) to Finch GAUGE POWER (4)
4. TD80 Ground (white wire) to Finch GAUGE GROUND (5)
5. TD80 SV Bus (red wire) to Finch GAUGE SV (6)
6. Finch Jumpers, see Figure 2-37
a. J9 and Decimal Point shunt positions
i. J9 removed for Fill alarm, installed for Fall alarm (removed when shipped
from factory)
ii. Decimal point jumper for required Display
7. Optional PTO or brake air switch to Finch DISPLAY ENABLE (PTO) (7) and Electrical
Ground
OR
8. Optional Gauge Enable toggle switch red wire to Finch DISPLAY ENABLE (PTO) (7)
and black wire to Finch GROUND (9) OR wire Finch DISPLAY ENABLE (PTO) (7) to
Finch GROUND (9) when not connected to a PTO or brake air switch
OR
9. Optional Gauge Enable toggle switch red wire to Finch POWER ENABLE (27) and
black wire to Finch GROUND (27) for power control OR wire Finch POWER ENABLE
(27) to Finch GROUND (26)
NOTE: Once the Basic Installation Wiring is complete, refer back to section 2.1.2, TD80
Installation Steps Overview, for clarification on the next installation step.
2.5.2 Finch 5332E External Display, Green Terminal Board
Wiring Instructions
Wiring steps for single TD80 and Finch Display. Refer to Figure 2-14 & Figure 2-15
for Finch 5332E (green board) installation.
1. Fused Power wire from the nose box socket or junction box through a 3A fuse to
Finch 8-28 VDC POWER
2. Ground wire from nose box socket or junction box to Finch GROUND
3. TD80 Power (black wire) to Finch GAUGE POWER
4. TD80 Ground (white wire) to Finch GAUGE GND
5. TD80 SV Bus (red wire) to Finch SV BUS
6. Finch Jumpers, see Figure 2-37
a. J9 and Decimal Point shunt positions
i. J9 removed for Fill alarm, installed for Fall alarm (removed when shipped
from factory)
ii. Decimal point jumper for required display
7. Optional PTO or brake air switch to Finch GAUGE ENABLE (PTO) and Electrical
Ground
OR