12 Maintenance and Troubleshooting
Varec, Inc. 131
2920 FTT Spare Parts List
Reference the 2920 FTT Exploded View graphic to matching images with the numbers in the
table below.
Upgrading software
The 2920 FTT uses a flash-based microcontroller which can be upgraded in the field.
Warning! Obtain a hot permit before removing the transmitter cover with power
applied.
Consult Varec for available firmware updates and update procedures.
Draw # Spare Part # Description
1 N2920EAxxxxxxxxx 2920 FTT Electronics Assembly
2 08-013204 Main Terminal Board Assembly
3 08-013220 Expansion Terminal Board Assembly
4 08-013125 Bi-Phase Mark Communication Board Assembly
4 08-013232 2920 MODBUS Communication Board
4 08-013232-1 2920 Mark/Space Communication Board
4 08-013232-2 2920 LJ TankWay Communication Board
5 08-12836 AC &DI/DO Board Assembly (includes F1 fuse)
5 55-012836-F1 AC Board Fuse F1 (80 mA)
6 P14-170 O-Ring, Main Cover
7 P14-182 O-Ring, Junction Box
8 08-013221 I.S. HART Terminal Board Assembly
9 08-013219 HART IS Barrier PCB Assembly
9 08-012848 Short Interconnection Board
9 08-012839 Long Interconnection Board
10 13-082920 Display Assembly (includes display, board support, touch board,
and fasteners)
05-013303 2920 Display Cable (connects item 2 to 10)
05-013352 2920 Pipe Mount Bracket for Tankside Display (not shown)
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