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7.4. Power supply (see electrical circuit diagram attached)
Power supply must be removed prior to any intervention on the station.
Connection to the power supply must be carried out by the exploiting.
Connect vacuum plant for medical use to a backed-up power supply.
Note: Power supply failure will interrupt the production of vacuum.
Class I device: to avoid any risk of electric shock, this device must only be connected to a
power supply network equipped with a protective earth.
The HOSPIVAC and MINIVAC vacuum units are equipped with a dual power supply. It is
strongly recommended that each power supply comes from a different TGBT.
Refer to the motors or stations rating plates in order to insure that the voltage used on site is that required
by the equipment.
Supply each electrical box* with two flexible electrical cables, preferably with a cross-section
corresponding to the total power of the motors connected to the X and Y power supplies (see table
below). The connections are made on the switches/disconnectors or on the terminals L1 - L2 - L3 - N +
Earth of each power supply.
There are two electric boxes on HOSPIVAC V2+V2/V3+V2/V3+V3 and TWIN version.
Power cables must be protected upstream using a surge protection device in accordance
with current legislation and standards of your country.
Check all the electrical connections and tighten if necessary before switching on the system
A magneto-thermal starter as standard protects each motor.
Connect the synthesis alarm overview to a visual and/or audible alarm on the control unit.
The operation of a medical vacuum plant requires a power supply system to ensure the operation and safety
of the installation. In order to avoid the total loss of medical vacuum generation on, for example, a differential
disconnection due to a component grounding, two separate electric power supplies ( X and Y ), distributed
between the motors, are installed.
For HOSPIVAC
2 pumps
3 pumps
Power supplies
X
Y
X
Number of pumps
1
1
1
per power supply
[A]
[B]
[A]
Vacuum pump 400V 3-ph 50 Hz
25
40
Power (kW) per pump
0.75
1.1
Line intensity (A)
2
2.5
For 1 vacuum pump
Cable section (mm²)
1.5
1.5
Protection to be fitted ** (A)
4
4
519991-08
HOSPIVAC – MINIVAC – MEDIVAC - EVISA E25 → E300
4 pumps
5 pumps
6 pumps
Y
X
Y
X
Y
X
2
2
2
3
2
3
[B/C]
[A/C]
[B/D]
[A/C/E]
[B/D]
[A/C/E]
65
100
150
200
1.5
2.2
3
4
3.6
5.1
6.5
9.1
11.9
1.5
1.5
2.5
2.5
6
10
10
16
Cable section (mm²)
Protection to be fitted ** (A)
Vacuum pump 400V 3-ph 50 Hz
Power (kW) per pump
Line intensity (A)
Cable section (mm²)
Protection to be fitted ** (A)
** A D-curve circuit breaker protection must be installed upstream the electrical box.
The wire sections are given for information.
Even so, they shall be defined by taking contacts with the wire provider.
They depend:
of the wire type
of the length
of the room temperature
of the wire path
For HOSPIVAC G and TWIN G only
Connect each motor's terminals to terminals T1 – T2 – T3 of LU1 for motor A, of LU2 for motor B and LU3
for motor Connect the earth wire. The cable having conductor section capable of supporting the power
requirements of one pump (see table above).
If the oil level detection or temperature safety option has been chosen, connect the sensors to the electric
cabinet as shown in the electrical diagram.
If vacuum pumps are equipped with the constant vacuum solenoid valve, connect it to the electric cabinet
as shown in the electrical diagram. (2 x 0.75 mm² +T)
For HOSPIVAC V2+V2/V3+V2/V3+V3 and TWIN G
Refers to the electrical diagram for made the connection between master box and piloted box.
Alarm report
The connection between Alarm report on automate units must be done by the person in charge of the
installation.
He must control the compliance wiring and proper operation during the final acceptance test.
Y
7.5. Connections to the pneumatic network
3
Suction side
[B/D/F]
If the regulation mode with constant vacuum solenoid valve (FLEXO) is used on the HOSPIVAC V and G, the
300
values shown in the table below must be respected as minimum levels for the receivers in order to assure
5.5
correct operation.
Note: Higher levels than those indicated can only improve the quality of operation.
2.5
Number of pumps
20
2
3
For 2 vacuum pumps
1.5
1.5
1.5
2.5
4
6
10
10
16
16
25
40
65
100
150
0.75
1.1
1.5
2.2
3
2
2.5
3.6
5.1
6.5
For 3 vacuum pumps
1.5
4
4
4
6
10
10
16
20
25
25
40
65
100
150
500
500
500
1000
1000
500
500
1000
1000
2000
4
6
25
32
200
300
4
5.5
9.1
11.9
6
10
40
63
200
300
2000
2000
2000
2000
17
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