EE Controls D10020 : Duplex Pump Control with High Level Alarm, Two Pump Motors, Max Load 1hp @ 120V, 3hp @ 230V, Works with 3-4 regular floats, NEMA 4X Enclosures, UL508
Provides Power to Operate Two Pump Motors in Response to Three Switch Inputs. Alternates between Pump Motors During Normal Cycle On/Off Operation. Provides Power to Both Pump Motors, if Lag Switch is Activated. With Optical/Audible High Level Alarm
Features:
- 120VAC Operating Voltage (Other’s Available)
- External Test/Off Alarm Button
- External HOA Selection for Both Pump Motors
- Built in Circuit Breakers
- Motor Load Up To 1hp @ 115V, 3hp @ 230V
- NEMA1 Enclosures
- UL508
Typical Applications:
- Level Based Pump Control for - Drainage Pump Levels
- Septic Tank Systems
- Sump Basin Levels
- Storage Tank Systems
Function Description
- Power Connections:
- L1, L2: Connected to 120/230VAC.
- P1, P2: Connected to 120VAC.
- Pump Operation:
- Circuit Closed Between 1 & 2 (Pump Off) and 3 & 4 (Pump On): Power is supplied to the first pump motor.
- Latch Mechanism: Once the circuit is latched, closing the connection between 3 & 4 (Pump On) will not affect the operation.
- Circuit Open Between 1 & 2 (Pump Off): Power to the pump is turned off.
- Cycle Initiation: The next cycle supplies power only to the second pump motor. The controller alternates power between the pump motors.
- Simultaneous Pump Operation:
- Contacts 5 & 6 (Lag Pump) Closed: Both pump motors receive power.
- High-Level Alarm:
- Circuit Closed Between 7 & 8 (High Level): Activates the high-level alarm.
- External Switch: Allows testing or silencing the alarm.
Datasheets
