Zoeller 350 Instruction Manual
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Zoeller 350 Instruction Manual

City pressure booster pump
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FM3168
0519
Product information presented
Supersedes
here reflects conditions at time
New
of publication. Consult factory
regarding discrepancies or
inconsistencies.
MAIL TO: P.O. BOX 16347 • Louisville, KY 40256-0347
Visit our website:
SHIP TO: 3649 Cane Run Road • Louisville, KY 40211-1961
zoellerpumps.com
TEL: (502) 778-2731 • 1 (800) 928-PUMP • FAX: (502) 774-3624
CITY PRESSURE BOOSTER PUMP
INSTRUCTION MANUAL
MODEL #350, 355
US
C
NSF/ANSI 372
600449
IL1962

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Summary of Contents for Zoeller 350

  • Page 1 MAIL TO: P.O. BOX 16347 • Louisville, KY 40256-0347 Visit our website: SHIP TO: 3649 Cane Run Road • Louisville, KY 40211-1961 zoellerpumps.com TEL: (502) 778-2731 • 1 (800) 928-PUMP • FAX: (502) 774-3624 CITY PRESSURE BOOSTER PUMP INSTRUCTION MANUAL MODEL #350, 355 NSF/ANSI 372 600449 IL1962...

  • Page 2: General Safety Information

    PUMP SAFETY INFORMATION Do not exceed 30 input PSI for model 350 SHOCK HAZARD 1. Meet United States National Electrical Code and local codes for all wiring.
  • Page 3 The entire system must be air and water tight to maintain prime. Use thread tape on all connections to ensure no leaks. Hand tighten all threads and then add additional half turn with wrench. FIG 3 INSTALL UNIONS © Copyright 2019 Zoeller Co. All rights reserved. ®...

  • Page 4: Operating Conditions

    (FIG 4). Allow inlet water pressure to fill the pump cavity and remove in-line air pockets. After the pump cavity fills with water, retighten the air relief plug. FIG 4 PRIMING ILLUSTRATION © Copyright 2019 Zoeller Co. All rights reserved. ®...

  • Page 5: Troubleshooting

    Hourly, it will turn on to sample the water flow requirements, and return to shut down if running dry. The 350 1/2 HP - 25 psi (1.8 Kg/cm home owner can fix the run dry issue and return the pump to 355 1 HP - 35 psi (2.5 Kg/cm...

  • Page 6: Operation And Maintenance Requirements

    FIG 7 – FREEING UP PUMP SHAFT IL1308B DO NOT apply any bonding material (such as silicon, glue, etc.) to seal the chamber cover. (FIG 9) FIG 9 – DO NOT GLUE CHAMBER IL1964 IL1968 © Copyright 2019 Zoeller Co. All rights reserved. ®...
  • Page 7 FIG 11 – PLACING GASKET ON FLANGE Do not over-torque the screws Pipe must be straight IL1966 c. Install inlet and outlet piping to the unions and then connect them to pump flanges. © Copyright 2019 Zoeller Co. All rights reserved. ®...

  • Page 8: Limited Warranty

    The warranty set out in the paragraph above is In instances where property damages are incurred as a result of an alleged product failure, the property owner must retain possession of the product for investigation purpose. © Copyright 2019 Zoeller Co. All rights reserved. ®...

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