August 2016
Installation and Operation Manual
Part Number: VA001-507-32, Rev. 1
32
Section 4: Set-up/Start-up Procedure
Set-up/Start-up Procedure
4.8.2.5 Upon completion of the charging of the accumulator, the pressure
switch set point will be reached and it will stop the electric motor.
4.8.2.6 Energize the desired solenoid valve (J) to open the actuator or (K) to
close the actuator.
4.8.2.7 Upon completion of the open or close stroke, the Limit Switch(s)
can be configured to de-energized the solenoid that is energized.
Some field installations can use the customer’s control room logic to
de-energize the solenoids after the actuator stroke open or close is
reached.
Figure 22
2-Way Remote Electric With an ESD Solenoid Function Schematic
(L)
Hand Pump Selector
(M)
Hand Pump Selection Valves
(H)
Accumulator Isolation Valve(Optional)
(N)
Accumulator Isolation Valve(Optional)
(J)
Opening Solenoid
(K)
Closing Solenoid
(O)
Hand Pump Isolation Valve
(P)
ESD Solenoid Valve(Optional)
M
M
L
H
N
J
Y
K
O
P
4.9
Other Options
Other options such as Partial Stroke Test may have been supplied with this order.
Refer to supplemental start-up procedures supplied with these options for start-up and
test.
The functional test of the Electro-Hydraulic Actuator is now complete.
The Bettis EHO Actuator is now operational and ready for service.
Summary of Contents for Bettis EHO
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