Table of Contents
Related Manuals for MOLEAER NEXUS
Summary of Contents for MOLEAER NEXUS
- Page 1 OPERATING MANUAL MOLEAER NEXUS NANOBUBBLE GENERATOR INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS IMPORTANT SAFETY INSTRUCTIONS READ AND FOLLOW ALL INSTRUCTIONS SAVE THESE INSTRUCTIONS - 1 - Nexus Operation Manual, English...
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Page 2: Table Of Contents
CUSTOMER SERVICE / TECHNICAL SUPPORT If you have questions about ordering Moleaer, Inc. replacement parts and products, please use the following contact information: Customer Service Website Monday to Friday: 8 AM to 5 PM PST www.moleaer.com Phone: +1 (424) 558-3567 Email: info@moleaer.com... -
Page 3: Introduction
Attention Installer: This guide contains important information about the installation, operation and safe use of this product. This information should be given to the owner and / or operator of this equipment after installation. This Nexus nanobubble generator is for use for horticulture and aquaculture installations ONLY. -
Page 4: General Warnings
3 GENERAL WARNINGS The Nexus system can come with and without a pump. When a pump is included with the system, never open the inside of the pump drive motor enclosure. There is a capacitor bank that holds a 230 VAC charge even when there is no power to the unit. - Page 5 All work must be performed by a qualified service professional, and must conform to all national, state, and local codes. • Install to provide drainage of compartment for electrical components. • • The Nexus generator will function correctly only if it is properly sized to the specific application and properly installed. - 5 - Nexus Operation Manual, English...
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Page 6: Equipment Drawing
13. Metric Adapter CIP (Optional – Not Shown) 6. Gas Solenoid 14. Metric Flange Adapter (Optional – Not Shown) 7. Mechanical Pressure Switch 15. Control Panel (Optional) 8. Gas Inlet 16. DO Probe (Optional) - 6 - Nexus Operation Manual, English... -
Page 7: Installation
Run straight, horizontal piping for the suction side of the pump. The length of the piping should be equal to five (5) pipe diameters. Install screen filter on the intake pipe when using the Nexus generator in recirculating systems where debris can enter the system. Ensure mesh size does not restrict flow at the generator’s designed flow rate. - Page 8 Always disconnect power to the Nexus generator at the circuit breaker before servicing the pump. Failure to do so could result in death or serious injury to service people, users or others due to electric shock.
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Page 9: Gas - Specifications
20 feet or a half-hour fire wall. GAS CONNECTION Moleaer Nexus generators come with a standard ¼” NPT connection. Connect the oxygen supply hose to the unit, with a ¼” male NPT fitting. -
Page 10: Nexus Generator Operation
60 CFH and the 1000 up to 100 CFH, as indicated on the rotameter. The optimal gas flow rate is 16 CFH on the 200 Nexus, 32 CFH on the 500 Nexus and 72 CFH on the 1000 Nexus. Use the center of the indicating ball on the flow meter as the index. -
Page 11: Pump Maintenance
10 CLEANING & SANITIZING In normal operation, the internal elements of the Nexus generator can become fouled by mineral scale, biological matter, colloidal particles and insoluble organic constituents. Deposits can build up on the internal surfaces during operation and can cause diminished operation. -
Page 12: Troubleshooting
Check the pump curve for NPSH requirements. • lift or losses Check the flow. • Discharge head too low – excessive flow rate • • Voltage too low Check and correct the voltage. Pump flow too low - 12 - Nexus Operation Manual, English... - Page 13 NPSH too low – excessive suction • Open discharge valve or reduce restriction. lift or losses • Incorrect rotation (3 phase only) • Defective motor • Discharge, suction plugged or valve closed • Impeller worn or plugged - 13 - Nexus Operation Manual, English...
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Page 14: Limited Warranty
Moleaer. If Moleaer finds that the Goods are defective and covered by the warranty, Moleaer’s sole obligation shall be, at Moleaer’s option, to repair or replace the Goods, or to refund the purchase price therefor, and to reimburse Buyer’s reasonable shipping costs. - Page 15 REVISION HISTORY Revision Description ECO# Assignee Date Finished Initial Release Revised content. Added rev and formatting. Dropped datasheet 1114 8/25/2020 New base plate 1144 10/12/2020 - 15 - Nexus Operation Manual, English...
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