SJE Rhombus TANK ALERT AB DUO Installation Instructions

TANK ALERT
This alarm system monitors two separate liquid levels in lift pump chambers, sump pump basins, holding tanks, sewage,
agricultural, filters, and other water applications.
The alarm horn and red "alarm 1" LED indicator activates when an alarm 1 condition occurs. The alarm horn and yellow "alarm
2" LED indicator activates when an alarm 2 condition occurs. A green "Power On" light indicates 120 VAC primary power to the
alarm. Low battery chirp feature indicates when battery should be replaced. The Tank Alert
a high or low level alarm or filter alarm depending on the float switch model used.
TANK ALERT ® AB DUO ALARM
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• Periodically inspect the product. Check that the cable has not become worn or that the housing has not been damaged so as to impair the protection of the
product. Replace the product immediately if any damage is found or suspected.
• Periodically check to see that the floats are free to move and operate the switch.
• Use only SJE Rhombus® replacement parts.
Products returned must be cleaned, sanitized, or decontaminated as necessary prior to shipment to ensure that employees
will not be exposed to health hazards in handling said material. All applicable laws and regulations shall apply.
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AB DUO Installation Instructions
120 VAC Model Voltage - (circuits not supervised) Primary: 120 VAC, 60 Hz, 2.4 watts maximum
(alarm condition) Operating Voltage: 9 VDC
NEMA 1 enclosure rated for indoor use.
Automatic alarm reset.
Red "alarm 1" light, yellow "alarm 2" light, and green "power on" light, alarm "test" switch, and
horn "silence" switch.
6 foot (1.8 meter) power cord.
Alarm horn sounds at 87 decibels at 10 feet (3 meters).
Can be used with any switching mechanism rated to include 1 amp, 9 VDC load.
Maximum line impedance for initiating device: 5 ohms.
If primary power fails, the alarm system continues to work due to battery backup feature.
Battery Backup Power - (circuit not supervised) 9 VDC
Complete package includes standard SJE SignalMaster® control switch with 15 feet (4.57 meters)
of cable and mounting clamp.
Switching mechanism operates on low voltage and is isolated from the power line to reduce the
possibility of shock.
Low battery chirp.
External terminal block for easy float switch installation.
Five-year limited warranty.
PREVENTATIVE MAINTENANCE
SJE RHOMBUS ® FIVE-YEAR LIMITED WARRANTY
Five-Year Limited Warranty.
For complete terms and conditions, please visit www.sjerhombus.com.
Double Insulation
NOTICE!
® AB DUO alarm system can serve as