georg-fischer ea41 Manual De Usuario
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4. Installation of the actuator
Warning:
Before the actuator is connected to the mains,
the following must be checked:
– is the actuator adjusted to the correct mains
Before the actuator is connected to the mains,
the following must be checked:
– is the actuator adjusted to the correct mains
voltage?
(see Item 2.1)
(see Item 2.1)
– are the electrical connections correct?
(see Item 2.2)
Adjustments
If a complete actuated valve is being supplied
by George Fischer, no further adjustments are
necessary. If the customer assembles the unit or
if a repair has been done, the end positions must
be checked and if necessary adjusted.
Adjustments can only be done on dismounted
valves.
If a complete actuated valve is being supplied
by George Fischer, no further adjustments are
necessary. If the customer assembles the unit or
if a repair has been done, the end positions must
be checked and if necessary adjusted.
Adjustments can only be done on dismounted
valves.
Limit switch positions
Switch S1 opens at <open> position
Switch S2 opens at <closed> position
(see diagram in the margin)
Switch S1 opens at <open> position
Switch S2 opens at <closed> position
(see diagram in the margin)
Procedure
Both switching cams S1 and S2 are to be
adjusted so that the actuating angle is less than
90°
Both switching cams S1 and S2 are to be
adjusted so that the actuating angle is less than
90°
쏝). Drive the actuator until one limit switch,
either <closed> or <open>, is operated.
The end positions can be adjusted by moving the
switching cams, as the actuator follows
them.
The end positions can be adjusted by moving the
switching cams, as the actuator follows
them.
쐌 For George Fischer ball valves an exact
90°
쏝) rotation should be set.
쐌 For George Fischer butterfly valves the
<closed> position should be adjusted accord-
ing to the following directions.
ing to the following directions.
S2
S1
1990_4_Teil3.p65
7.11.2000, 14:29 Uhr
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