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Multi-voltage, Three Phase, Duplex Pump Control PanelsWith Seal Fail, Elapsed Time Meters, Pump HOA Switches,
and Pump Run Lights Mounted on Inner Door
331 LIFT STATION CONTROL PANEL
PRIMEX® 1 331 Lift Station Control Panel
1. Mount control panel using integral mounting fl anges.
2. Intrinsically Safe Panel Models: Determine conduit entrance for intrinsically safe wiring. Entrance location must be within intrinsically safe barrier area. A separate rigid metallic conduit must be used to enclose the conductors of the intrinsically safe control circuit. When installed according to these instructions and Article 504 of the National Electric Code (NFPA 70) this control panel provides intrinsically safe sensing circuits for interface with Class 1, Division 1, Groups C and D hazardous locations. Intrinsically safe wiring must be in accordance with the enclosed control drawing of the specifi c intrinsically safe relay manufacturer.
3. Determine conduit entrance for non-intrinsically safe wiring. Cables must be outside of the intrinsically safe barrier area. NOTE: Ensure the power supply voltage and phase are the same as the pump motor being installed. If unsure, refer to the pump identifi cation plate for voltage/phase requirements.
4. Drill holes and attach liquid-tight conduit connectors.
5. Bring cables into the control panel and wire according to the fi eld wiring section of the schematic.
6. Seal conduits using approved sealant to prevent gases from entering the control panel.
PRIMEX® 2 331 Lift Station Control Panel
Inner Door components: Elapsed Time Meter, Pump Run Lights, Pump HOA Switches, and Dual Pump Seal Fail Module.
208/240/460V Multitap
Transformerwith primary
and Secondary Fuses
Lightning Arrestor(Optional)
GroundLug
Seal Fail, Thermal Cutout,
Aux ContactsTerminals
Duplex ControllerDPC-4F
INSTALLATION INSTRUCTIONS
Beacon
IncomingPower
IntegratedMotor
Starters(Set Overloadto Pump FLA)
This control panel must be installed and serviced by a licensed electrician in accordance with the National Electric Code NFPA-70, state and local electrical codes.
Intrinsically Safe Rely(IS Panel models only)
PRIMEX® 3 331 Lift Station Control Panel
HIGH LOW HORN/BACKUP
P1 P2L1 L2/N IN COM
TEST/SILENCE/
RESET
120-240VAC
PUMP 1 PUMP 2 BACKUP ACTIVEWHEN FLASHING
ALT1-2 2-1
MODE
FLOAT 3 FLOAT 4FLOAT 2FLOAT 1
sec
3040
50
60
20
10
0x 10 forMode 1
Basic Operation:
Pump turns on when Float 2 closes. Lag pump turns on when Float 3 closes. Pumps turn off when Float 1 opens.
Timer Dial: Controls lag pump delay time (0—60 seconds).
Float Out-of-Sequence: If a fl oat closes or opens in the incorrect sequence, the alarm will activate. The Out-Of-Sequence fault will clear if the failed fl oat returns to the correct position.
MODE 4: Four Float Duplex Operation
Float Status LEDs
Pump 1and Pump 2Run LEDs
FloatTerminals
Power On LEDLead/LagSelector Switch
DPC-4F DUPLEX Pump CONTROL FOUR FLOAT CONTROLLER
LAG Pump Delay TimerControllerModeSelector
PRIMEX® 4 331 Lift Station Control Panel
FLOAT CABLECONDUIT
PUMP CABLECONDUIT
IN-FLOW
DISCHARGEFLOAT 4
HIGH LEVEL
FLOAT 3 LAG FLOAT
FLOAT 2 START FLOAT
FLOAT 1 STOP FLOAT Activation angle is
10° above and 10° below horizontal.
11 inches
WARNING: Keep sensors clear of pumps, pipes, and motor cables. Ensure that fl oats cannot reach pump suction.Do not run pump and fl oat cables in the same conduit.
Typical setup for a duplex lift station
844-4PRIMEX (477-4639)WWW.PRIMEXCONTROLS.COM
PN 1060574A 11/18 © 2018 SJE, Inc. All Rights reserved.
PRIMEX is a trademark of SJE, Inc.
PRIMEX® ONE-YEAR LIMITED WARRANTYOne-Year Limited Warranty.
For complete terms and conditions, please visit www.primexcontrols.comWarranty void if panel is modifi ed.
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