Varian Turbo-V 250 series, Instruction Manual

Page: 62 / 79

TECHNICAL INFORMATION
55 87-900-852-01 (B)
Connection P6 - Low Power Fan
P6 connector
The 24 Vdc, 100 mA maximum output voltage is
present on connector P6 after START pushbutton is
pressed and will remain present until a fault condition is
displayed on front panel display or the turbopump is
stopped.
This is a dedicated output for the optional
Turbo-V 250 pump cooling fan.
The mating connector and cable are provided
assembled with the air cooling kit.
Controller-to-Pump Connection
A five-meter long cable is provided (or is available as
an option for model 969-9425) to connect the controller
to the pump.
The following figures show the controller output
connector configuration where pins:
•
A-F = pump temperature sensor
•
B-C-D = 54 Vac 3-phase output to pump motor
stator
•
E = ground
and the configuration of the connecting cable between
the controller 969-9425 and the pump.
Controller-to-pump connector
(applicable to model 969-9423 and 969-9523)
Controller to pump cable
(applicable to model 969-9425)