On most of the GEA Tuchenhagen valve types, solenoid valve Y1 internally
guides the main control air through the switch bar into the main actuator. The
external air connection Y1 is provided in addition.
Hint!
To ensure adequate compressed air supply to the process actuators, a
max. of 2 solenoid valves are electrically activated at the same time!
It must be ensured that there can be no simultaneous control of the
actuator or the lifts at the same process valve!
6.4
Electrical connections
Danger
To satisfy the UL requirements, use a protective insulation power-limited
power supply according to UL/IEC 60950 or power limited according to
UL/IEC 61010-1 3cd cl. 9.4 or a Class II power supply according to NEC.
►
6.4.1
Overview
24.1
78
24
Fig.15
Danger
Only allow properly qualified staff to carry out work on the electrical
equipment. Prior to establishing electrical connections check the maximum
permissible operating voltage.
►
Hint!
The electrical cable must be long enough to allow the control top to be
removed via the switch bar.
The cables must be suitable for use in the temperature range from -20
°C to 75 °C!
Assembly and installation
Electrical connections
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