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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.

MODEL D1C20-21

2 HP CENTRIFUGAL 

GRINDER PUMP

SAFETY INSTRUCTIONS, 

INSTALLATION AND SERVICE MANUAL

For Residential and Pressure Sewer Applications.

Part # 23833A594  |  © 2017 Pentair plc  |  02/27/17 

Summary of Contents for DELTA ENVIRONMENTAL D1C20-21 Series

Page 1: ... the owner of the equip ment or to the responsible party who maintains the system MODEL D1C20 21 2 HP CENTRIFUGAL GRINDER PUMP SAFETY INSTRUCTIONS INSTALLATION AND SERVICE MANUAL For Residential and Pressure Sewer Applications Part 23833A594 2017 Pentair plc 02 27 17 ...

Page 2: ...ntains or any installation where human contact with the pumped fluid is common This specialized pump is designed to incorporate a grinding mechanism to remove wastewater particulate and pump the resulting slurry from a residential structure to a collection system Examine all lifting devices rope or chain for damage before and after each lift DO NOT exceed manufacturers recommendation for maximum p...

Page 3: ...of the legs on volute case during operation MOUNTING THE SWITCH 1 Determine pumping range for installation see Figures A and B Do not tether less than 3 1 2 9 cm from pipe 2 Tighten strap around discharge pipe keeping switch cable between strap and pipe to prevent slippage see Figure C 3 Space small ties at least 1 2 5 cm apart see Figure C To read just ties press small tie tabs down 4 To lock rel...

Page 4: ...tation for service DO NOT CONTINUE TO POUND ON IMPELLER AS IMPELLER AND SHAFT MAY BE DAMAGED 5 If impeller comes off easily clean up and replace if worn 6 Be sure pump impeller has not loosened when grinder impeller is removed This can be checked on reassembly of grinder impeller and shredding ring Tips of impeller cutter vanes should extend about 1 8 below bottom of shredding ring If distance is ...

Page 5: ...h oil as noted above in Capacitor Replacement WIRING DIAGRAM RUN CAPACITOR START CAPACITOR 20 µF 370 V 324 µF 389 µF 125 V BROWN BLACK PHASE MAIN ORANGE YELLOW BLUE RED LINE LINE WHITE PROTECTOR SENSATA TECHNOLOGIES TYPE 15HM2412 WIRING SCHEMATIC 2 3 5 1 4 6 Pump does not run or hum See A B C D E or F Pump runs but does not deliver water See G H I J K or L Pump runs and pumps out sump but does not...

Page 6: ...6 TYPICAL SECTION DRAWING FOR D1C 20 21 15C 15B 15A 15 14 13 12 11 10 9A 9 8 7 6 4 5 5A 3 2 1A 1 11 16 ...

Page 7: ... 2 Flange w Shredding Ring 21584B000 3 Screw cap 1 4 x 1 Long SST 3 req d 19099A012 4 Retainer Impeller SST 21583A000 5 Screw Flat Head 1 4 x 3 4 Long 07597A018 5A Sealant Loctite Grade 271 14550A001 6 Impeller Grinding 21582B000 7 Screw Set 1 4 x 3 8 Long 2 req d 05013A039 8 Impeller Pump Plastic 26434C010 8 Impeller Cast Iron Optional 26434C000 9 Plate Seal Bearing 26430D001 D1C 20 21 DIMENSIONA...

Page 8: ...ain the unit in accordance with the printed instructions provided b to failures resulting from abuse accident or negligence c to normal maintenance services and parts used in connection with such service d to units which are not installed in accordance with applicable local codes ordinances and good trade practices e if the unit is moved from its original installation location f if unit is used fo...

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