INFICON Helium Leak Detector Modul1000 - Manual (Page 82)

7-10
Maintenance tasks
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7.7 Fuse replacement
7.7.1 Overview on Electrical Fuses
Notice: Please note that this work is only performed by skilled electricians, since
generally a cover of an electric module may have to be opened.
Mains switch housing chassis:
Designation Technical data Fuse for
Mains switch 2 x T 6.3 A Power supply unit fuse (2-phase OFF)
Wiring plane:
Designation Technical data Fuse for
F10 T 6,3 A Power supply unit TC 600
F11 T 0,8 A Fans
Power supply unit ZWS240PAF-24/TA:
Designation Technical data Fuse for
F1 F 6.3 A Fuse power supply unit
I/O PCB:
Designation Technical data Fuse for
F1; F2 T 0,8 A not used
F3 T 0,315 A not used
Circuit board MSV:
Designation Technical data Fuse for
F1 T 2 A 24 V main fuse for MSV card
F2 T 3,15 A Anode heater (no use)
F3 T 1 A 15 V; +5V DC/DC transformer
F4 M 0.032 A Anode- cathode voltage (85 V)
Interface board:
Designation Technical data
F1 T 1 A 24 V CONTROL UNIT
F2 T 0,8 A 24 V REMOTE CONTROL; PC RS232
F3 T 0,8 A 24 V PRESSURE GAUGE, PLC IN
F4 T 1,6 A 24 V PLC OUT; VALVES; ACESSORIES
F5 T 1,0 A VALVES V30...V33 supply voltage (max.
30 V)
F6 T 1,0 A VALVES V34...V37 supply voltage (max.
30 V)