Siemens EA 710 Series Manual do Utilizador Página 4

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Technical Instructions SSA/P Series Electronic Valve Actuator
Document Number 155-710 24 Vac Floating or 0 to 10 Vdc Control
September 16, 2009
Page 4 Siemens Industry, Inc.
Wiring
Figure 6. SSA/P61U Wiring Diagram. Figure 7. SSA81U Wiring Diagram.
Do not use autotransformers.
Use earth-ground isolating, step-down, Class 2, power supplies.
Determine supply transformer rating by summing total VA of all actuators used.
Use one transformer to power up to 10 actuators.
WARNINGS:
Wire connection G is 24 Vac HOT on the SSA/P61U, not neutral.
G0 and G must be properly wired for correct function and full life of
the actuator.
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