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5.6 Wiring diagram for UL version of PA20
For the PA20 preamplifier and the LP20 capacitance probe (see the PA20 and LP20
Installation and Maintenance Instructions).
Fig. 10
Back
* See PA20 IMI for sensitivity selection
Terminal box
Flying leads supplied with the UL
approved PA20 (approximately 12")
Brown
Red
Orange
Black
Capacitance level probe
1
2 3
50 51 52 53 54 55
+24 V Vin Iin COM SCN
Level input(s)
E
Connect to a
clean local
earth in the
panel
*
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