Fuses And Circuit Breakers - Agilent Technologies VS Series Operation Manual

VS Series Helium Mass Spectrometer Leak Detectors
Table 4-3 lists the fuses and circuit breakers.
Function
Circuit Breaker
Fuses (PCB overcurrent
protection)
4-4
Always perform a Full Internal Calibration after any
NOTE
spectrometer maintenance:
Spectrometer header replacement
❑
Filament replacement
❑
Ion source assembly replacement or cleaning
❑
Table 4-3 Fuses and Circuit Breakers
Type, MFG, PIN
Main Power Supply: 20 A, 250 V
❑
AC, SCHURTER
Model EF12, PIN
EF12.2196.1110.01
Internal Vacuum Pump: 6 A,
❑
250 V E-T-A, PIN
1110-Fl12-PIMl-6 A
1.85 A, 33 VDC, Raychem
SMD185-2
5x20mm, T4A, 4A, 250V AC,
Cooper/Bussmann S505-4A
Only a qualified technician should replace circuit breakers and
NOTE
fuses. Use only circuit breakers and fuses of the same type and
rating.
Location
Power Entry Module
Rear Panel
Motherboard (RT400)
❑
Valve Driver (Fl)
❑
Ion Source (Fl)
❑
Front Panel Controller
❑
(RT400)
Turbo Controller (F2)