MAN205-0195042EN Rev. A
Aug. 2011
Page 30 of 137 pages
The command circuits are energized by a power supply with two outputs, as indicated
below:
5 VDC for the digital circuits.
24 VDC for the solenoid valves.
The coils of the solenoid valves are 24V and are operated by the controller. The
solenoid valves are activated when the control voltage output is low (less than 2V) with
respect to ground. A Circuit Breaker (CB1 4A) protects all power circuits.
Electrical control for vacuum pump
1.
Overload protector (PKZM 0-6.3)
2.
Solid State Relay (SSR)
3.
Contactor(DILM12)
4.
Cat 2007 Controller
In case of an interruption on any of the phases, the overload protects the vacuum pump
from damage by disconnecting the three-phase line from the vacuum pump.
Warning!
It is strictly forbidden for any person to enter the service area behind the service
access panels, except the trained technician.
If, for any reason it is necessary to open the service access panel, the person
must shut the system by pressing the emergency switch, withdrawing the key and
keeping the key on him, to prevent accidents and injuries.
The technician must follow the instructions in the SERVICE INSTRUCTIONS,
“Working with power ON in Service Area” Section.
Содержание 6671130
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