Apeks Supercritical The Duplex™ Operation Manual
10
Revision Date 8/28/2018
right. Each bank contains a main separator with an oil collection cup and a secondary
separator with no cup. Users may use either set of separators at any time but only one
set at a time. Separator banks that have identical gauges, filters and manual valving.
2.1.3.2. Main Control Enclosure/HMI – Unless otherwise stated at time of purchase, the
separator stand will be where the main control enclosure and HMI (Human Machine
Interface) are located. This enclosure contains the logic controller that operates the entire
system. The HMI is located on the front of this enclosure and is where the user can
monitor and control the system.
2.1.3.3. Motor Starter Box – The motor starter box is located on the back of the separator stand
and houses the motor starter that controls the motor on the diaphragm compressor.
2.1.3.4. Air Valve Manifold – The Air valve manifold is located on the back of the separator
stand directly behind the Main Control Enclosure. This manifold controls the air to each
air actuated ball valve via red quarter inch airline.
2.1.3.5. Vent Manifold – This manifold collects all the vent lines to be vented outside by a single
line. It is located on back, very top of the control panel mount and has a ½” discharge line
up to 50 feet long.
2.1.3.6. Pressure Gauges – There are four pressure gauges located on the separator stand, two
for each set of separators. The gauge located behind the main separator (psi range of 0-
2000) is the inlet pressure for the separator and should match the pressure of the
extractors when the system is flowing. The second gauge is the pressure inside the
separators and should match the separator pressure on the HMI.
2.1.3.7. Separator Filters – Each separator bank has its own separator filter. These filters should
be inspected and cleaned between runs on the separator bank. See the preventive
maintenance section
2.1.3.8. Locking Vessel Isolation Valves – Each separator bank has two locking isolation
valves that should be utilized whenever the operator is working in any vessel. The bottle
connections have an isolation valve as well. These valves are intended to valve off the
inlet and outlet of the vessel bank to protect the user from any release of pressure.
WARNING: Failure to use these valves can lead to injury.
2.1.3.9. Vent Valves – Each separator bank has its own vent valve (Valve 10) that can be use to
release pressure from that bank of separators. These valves should be vented to the vent
valve manifold located above the air valve manifold.
2.1.3.10. Evacuation Valves A and B – Each separator bank has its own evacuation valve that
can be used to evacuate (draw a vacuum) the whole system before a run or evacuate the
individual separator banks while running. See Manual Screen on the HMI to evacuate the
entire system.
2.1.3.11. Separator Flow Switch – The flow switch continually monitors for water flow in the
separator loop and will stop the system if flow is lost.
2.1.3.12. E-Stop Button – The E-Stop (Emergency Stop) Button can be depressed by the user at
any time and will stop the system, turn off the pump, turns off the chillers and isolate
every vessel.
2.1.3.13. Cup Lifts – There is a lift below each separator vessel to assist in the disassembly and
the assembly of the separators and collection cups. This lift is air powered and actuated
with the black toggle handle located to the right of the lift. Toggling the handle up will
raise the cup lift and toggling the handle down will lower the cup lift. CAUTION: Use care
to keep appendages away from pinch points when using the cup lift.
2.1.3.14. Cup Lift Regulator – This regulator is factory set but can be adjusted to increase or
decrease the pressure to the cup lift piston.
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