SAFETY CAUTIONS AND WARNINGS incorporate a grinding mechanism to remove MUST BE INSTALLED BY EXPERIENCED wastewater particulate and pump the resulting PROFESSIONALS ONLY slurry from a residential structure to a collection system. DANGER: Risk of Electrical Shock or Electrocution. May result in serious injury or Examine all lifting devices, rope or chain for death or fire hazard.
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PUMP CAUTIONS AND WARNINGS 1. Pump builds up heat and pressure during Pumps: operation, allow time for pump to cool before Model D2C20-21 is UL and CSA approved. handling or servicing. Level Sensing Controls: Intrinsically safe type float controls are 2.
PUMP OPERATIONS PUMP CUTAWAY To reduce the risk of electrical shock, install only on a GFCI protected circuit. See pump nameplate for electrical ratings. To start the pump, perform the following steps in order: 1. When grinder pump is single phase, no rotation check is necessary.
PUMP PARTS LIST Ref. Part Ref. Part No. Description Req’d Number No. Description Req’d Number Cable, 4 Cond. 20-01-497-4400 Bearing, Lower 08565A018 (length as specified, less detector) spec. Gasket, 5-1/2" I.D. x 1/8" 05014A171 Cable, 5 Cond. 20-01-497-4750 Housing, Upper Seal 24328D000 (length as specified, less detector) spec.
PUMP INSTALLATION PUMP MODELS — The D2C20-21 pumps are 230 Pump has two oil-filled chambers: 1) the motor and volt, single phase, 3450 rpm. The D2C20-23 pumps ball bearings and, 2) the seal chamber — for long life are 230 volt, three phase, 3450 rpm. and best heat transfer.
MAXIMUM AMP & WINDING RESISTANCE VALUES CHECK LIST IF PUMP DOES NOT OPERATE PROPERLY CHECKING FOR MOISTURE IN MOTOR — Disconnect line WINDING RESISTANCE IN OHMS leads from terminal strip. Use ohmmeter and set on highest BLACK TO BLACK RED TO MAX.
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CONDITION PROBABLE CAUSE Overload trips and alarm buzzer 1. Push in red reset button to reset overload. If overload trips again after or flashing red light comes on short run, pump has some damage and must be removed from basin for due to high water level in basin checking.
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REPLACING GRINDER IMPELLER AND GRINDER SHREDDING RING This is the only disassembly operation allowed in the field. All other repair must be done at the factory or at an authorized service center. STANDARD 1. Allen head socket set 2. Standard socket wrench set 3.
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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 more, it means the pump impeller has loosened, and if it is less, it means the shredding ring is not properly seated.
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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