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SJE-Rhombus Model 322 Three Phase Duplex Alternating Control Panel
This control panel is designed to alternately control two 208/240/480V three phase pumps in industrial and commercial water and sewage systems. The alternating action equalizes pump wear. In addition to the alternating pump control, this system provides override control should either pump fail. If an alarm condition occurs, the alarm switch activates the audio/visual alarm system.
Features
Enclosure measures 14 x 12 x 6 inches
NEMA 4X (ultraviolet stabilized thermoplastic with removable mounting feet for outdoor or indoor use)
IEC motor contactors control pumps by switching electrical lines
Multi-tap transformer (208/240/480 VAC primary) provides 120V control/alarm voltage
Motor protective switches provide adjustable overload, branch circuit protection and pump disconnect
Alternating circuit board provides pump control and alternation (U.S. Patent # 5,909,532)
Green pump run indicator lights (mounted on circuit board)
Alarm/control fuse (mounted on circuit board)
Float status indicator lights (mounted on circuit board)
Float switch terminal block (mounted on circuit board)
Input power terminal block
Ground lugs
HOA Switches for manual pump control (mounted on circuit board)
Control ON/OFF Switch (mounted on circuit board)
Standard alarm
Red alarm beacon provides 360° visual check of alarm condition
Alarm horn provides audio warning of alarm condition (83 to 85 decibel rating)
Exterior alarm test/normal/silence switch allows horn and light to be tested and horn to be silenced in an alarm condition
Alarm automatically resets once alarm condition is cleared
Horn silence relay (mounted on circuit board)
Entire control system (panel and switches) is UL Listed to meet and/or exceed industry safety standards
Dual safety certification for the United States and Canada
Complete with step-by-step installation instructions
Five-year limited warranty
Applications
Pump chambers
Irrigation systems
Lift stations
Note: Schematic/Wiring Diagram is located inside the panel on enclosure
