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Summary of Contents for Xylem Bell & Gossett Domestic CU Series
- Page 1 INSTRUCTION MANUAL DN0129 REVISION F...
- Page 2 REPRESENTATIVE PIPING DIAGRAMS AIR VENT CHECK VALVE GATE VALVE CHECK VALVE GATE VALVE AIR VENT WATER MAKE-UP UNION STEAM COCK STEAM COCK TO DRAIN WITH 3 VALVE BYPASS TO DRAIN UNION DETAIL AA OPTIONAL DISCHARGE TO BOILER DISCHARGE WATER LINE CONDENSATE CONDENSATE OF BOILER...
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Page 3: Float Switch Adjustment
FLOAT SWITCH ADJUSTMENT The float positions are factory set. These positions should be reset as necessary. Minor deviation is permissible to meet local requirements. The settings must avoid “short cycling” of the pumps. The float switch and mechanical alternator each have an inter- nal compensating spring to balance the weight of the float guide rod. - Page 6 PUMP SERVICE INSTRUCTIONS FOR UNDERGROUND CENTRIFUGAL PUMPS Vertical mounting puts motor above floor dirt and water. These instructions are for pump disassembly. The mechanical seal 21. Reconnect pump bleed line and motor wiring. can be replaced without complete pump disassembly as detailed CAUTION: DO NOT RUN DRY.
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Page 7: Troubleshooting Procedures
TROUBLESHOOTING PROCEDURES (ITEMS MARKED WITH * FOR CMU ONLY) All units are thoroughly tested at the factory before shipment. 6. The impeller eye is clogged. They should operate satisfactorily without further adjustment if 7. Pump is too small for the system. properly installed and providing they have not been damaged by rough handling in transit. - Page 8 Xylem Inc. 8200 N. Austin Avenue Morton Grove, Illinois 60053 Phone: (847) 966-3700 Fax: (847) 965-8379 www.xylem.com/bellgossett Bell & Gossett is a trademark of Xylem Inc. or one of its subsidiaries. © 2019 Xylem Inc. DN0129F October 2019...
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