ATH 500 MT version (only)
► Power the heater band and the water valve.
– the
HEATER
and
VALVE
connectors on the front panel of the electronic drive unit are con-
nected.
Turbo
V2
N
2
V1
V4
V3
24 V DC
P
1
2
3
4
W
F
48 VDC
VALVE
HEATER
Water
Fig. 14:
Typical electrical wiring diagram
1
Heater band power supply (MT version pump)
2
Integrated electronics
3
External power supply
4
Water valve power supply (MT version pump)
P
Backing pump
Turbo
Magnetically levitated turbomolecular pump
F
Fan (air cooled version)
N2
Inert gas input
V1
Fore-vacuum isolation valve
V2
High vacuum isolation valve
V3
Purge solenoid valve (option)
V4
Air inlet solenoid valve (accessory)
W
Cooling circuit solenoid valve (MT version pump)
Functional grounding connection
1)
CPC ground connection
1) Recommended for connecting the pump to the ground electrode in an environment affected by
electromagnetic waves.
Installation
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