Emerson Bettis EHO - 2-Way Electric with Emergency Shutdown Feature Powered by an Electro-Hydraulic Power Unit

Installation and Operation Manual
Part Number: VA001-507-32, Rev. 1
August 2016
45
Section 10: Sample Wiring Diagram
Sample Wiring Diagram
10.2 2-Way Electric With Emergency Shutdown
Feature Powered By an Electro-Hydraulic
Power Unit
Figure 27 2-Way Electric with Emergency Shutdown Feature Powered By an
Electro-Hydraulic Power Unit
M M
L
H
N
W
AD AE
E
B
A
D
J
X
Y
Z
AA
I
K
O
P
AC
R
Q
T
U
V
S
(A) Pressure Gauge(Optional)
(B) Nitrogen Relief Valve(Optional)
(D) Isolation Valve(Optional)
(E) Hydraulic Accumulator With Nitrogen Blanket
Charge(Optional)
(H) Accumulator Isolation Valve(Optional)
(N) Accumulator Isolation Valve(Optional)
(R) Pressure Switch
(Q) Hydraulic Pressure Gauge
(S) Pressure Transmitter(Optional)
(T) Check Valve
(V) Adjustable Flow Controls
(U) Relief Valve
(O) Hand Pump Isolation Valve(Optional)
(W) Bettis G-series Double Acting Actuator
(AB) Pressure Transmitter(Optional)
(J) Opening Solenoid
(K) Closing Solenoid
(P) ESD Solenoid Valve(Optional)
(X) Shuttle Valve(Optional)
(AC) Shuttle Valve(Optional)
(Y) Hydraulic Pump
(AD) Accumulator override valve to open(Optional)
(AE) Accumulator override valve to close(Optional)
(Z) Electric Motor
(AA) Suction Strainer
(I) Fluid Reservoir
(L) Hand Pump
(M) Hand Pump Selection Valves