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MODEL D1P20-21
SUBMERSIBLE SEMI-POSITIVE
DISPLACEMENT GRINDER PUMP
SAFETY INSTRUCTIONS,
INSTALLATION AND SERVICE MANUAL
NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible
party who maintains the system.
Part # 23833A593 | © 2017 Pentair plc | 02/28/17
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Summary of Contents for Pentair DELTA ENVIRONMENTAL D1P20-21
- Page 1 INSTALLATION AND SERVICE MANUAL NOTE! To the installer: Please make sure you provide this manual to the owner of the equip ment or to the responsible party who maintains the system. Part # 23833A593 | © 2017 Pentair plc | 02/28/17...
- Page 2 NOTE: READ THESE INSTRUCTIONS DANGER: Biohazard Risk. Once wastewater source has been connected to system, biohazard risk exists. Installer(s) and/or CAREFULLY BEFORE ATTEMPTING TO service personnel must use proper personal protective equipment INSTALL PUMP. and follow handling procedures per OSHA 29 CFR 1910.1030 when handling equipment after wastewater source has been connected to system.
- Page 3 The motor is fixed within the motor housing and is completely 4. Turn pump on. If pump runs and sump liquid does not pump submerged in the dielectric oil for maximum heat transfer. The down, stop pump and close discharge gate valve. Lift pump motor housing and seal chamber are completely sealed with until sealing flange is open to vent off trapped air.
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Page 4: Troubleshooting
(4) If necessary to replace stator boot (21), remove screws (9) (8) Using a pressure gauge with a fill stem, pressurize the motor and retainer ring (8) from volute (1). Stator boot (21) can now housing no more than 7 psig with dried air and check for be lifted out from the volute recess. - Page 5 D1P20-21 PERFORMANCE CURVE Consult Delta Environmental sales representative for intermittent use.
- Page 6 TYPICAL SECTION DRAWING FOR D1P20-21...
- Page 7 PARTS LIST FOR D1P20-21 Product improvements are made from time to time. The latest part design will be furnished as long as it is interchangeable with the old part. When ordering replacement parts, always furnish the following information: (1) pump serial number, (2) pump model and size, (3) part description, (4) part number, (5) impeller diameter (if ordering impeller), (6) quantity required, and (7) shipping instructions.
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Page 8: Standard Limited Warranty
STANDARD LIMITED WARRANTY Delta Environmental warrants its products against defects in material and workmanship for a period of 24 months from the date of shipment from Delta Environmental or 27 months from the manufacturing date, whichever occurs first – provided that such products are used in compliance with the requirements of the Delta Environmental catalog and technical manuals for use in pumping raw sewage, municipal wastewater or similar, abrasive free non-corrosive liquids.
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