GB 02880 - Edition 02 - November 07
1/1
B 80
Safety plug connection
Presentation
The safety plug will stop the pump in the event of an N
2
flow fault or
loss of secondary enclosure ventilation (Semi configuration).
Connector location
The safety connections are done via the «safety» connector, located on
the rear side of the electronic cabinet.
Cover plug wiring
The pump can run only if the cover plug is fitted on the «Safety connector».
Note : An overtemperature of the motor and an overpressure of the exhaust will stop
the pump.
Rear side of the electronic
Safety connector
cabinet on A103P model
Female plug 14 pins
1
2
3
4
5
6
7
8
9
10
11
12
13
14
24VDC
N2 switch (open if N2 flow < 14 slm)
N2 switch (open if N2 flow < 14 slm)
Enclosure switch (open in case of secondary exhaust failure))
Enclosure switch (open in case of secondary exhaust failure)
GND
GND
Pump enabled
24 VDC = Pump ON
0VDC = Pump OFF after 80 seconds
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Cover safety plug
(Manufacter use only)
(Manufacter use only)
Pump connection
Contact
Function
1-2
N
2
switch (open if N
2
fl ow < 14 slm) (
customer use
).
7-8
Enclosure switch (open in case of secondary exhaust failure)
(
customer use
) (Semi confi guration).
13-14
Safety start / stop of the pump.
Note : A maintenance cover plug can be connected on the safety connector
D 10
.
Study the preliminary precautions
B 00
.
adixen Vacuum Products - Operating instructions - A3P Series
