D1C20-21 - Delta Environmental Products
Contents
1. DO NOT cut off the ground pin from the power cord plug POWER CORD A 20 foot power cord is attached to the grinder pump via three insulated quick disconnect terminals To replace a cord simply unscrew turn counterclockwise cord nut from top of motor housing Once cord nut is completely loosened from housing gently pull cord upwards away from housing While cord is being pulled it may be necessary to shift cord leads back and forth to guide the insulated terminals through the hole in the motor housing Once the terminals have cleared the hole gently pull cord until terminals are completely outside of motor housing Then simply disconnect terminals to remove cord To install new cord reconnect terminals black to black white to white green to green and guide terminals back through hole in motor housing Once terminals have passed through the hole retighten the cord nut into housing Tighten nut firmly but do not over tighten The power cord should be replaced if it has been damaged in any way or the cord jacket has become brittle with age MOTOR TYPE The D1C20 21 Series grinder pump contains a 3 4 frame 2 HP single phase 60 Hz 3450 R P M capaci tor start capacitor run motor with Class F insulation and built in on winding overload protection Motor has upper and lower ball bearings and is oil cooled and lubricated Resistance at motor leads is 1 8 ohms A CAUTION THE D1C20 21 SERIES GRINDER PUMP SHOULD NEVER BE WOR2. Lay unit down in line with motor housing 7 Besure pump turns freely with screwdriver in impeller end of shaft 8 Re connect all terminals securely per wiring diagram 9 Be sure tetraseal gasket is in place 10 Reassemble motor housing and fill with oil as noted above in Capacitor Replacement WIRING DIAGRAM BLACK SCREW ON MOTOR END BELL ITEM 16 CAPACITOR LINE 2 WHITE ITEM 25 GROUND GREEN LINE 1 BLACK K 23833A594 TROUBLESHOOTING SYMPTOMS SOLUTIONS 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 Kor L Pump runs and pumps out sump but does not stop See M Pump runs but delivers only small amount of water See l J K Lor N Fuse blows or circuit breaker trips when pump starts See L Motor runs for short time then stops Then after short period starts again Indicates tripping overload caused by symptom shown See L Nor P For any other symptoms call Myers Service Dealer A Line circuit breaker may be off or fuse if used may be blown or loose B Water level in sump may be too low Run in more water C Pump cord plug may not be making contact in receptacle D If pump is using the series cord plug the two plugs may not be plugged tigh
3. The Buyer s exclusive and sole remedy on account or in respect of the furnishing of material that does not conform to this contract or to this written warranty shall be to secure replacement thereof as aforesaid Delta Environmental Products shall not in any event be liable for the cost of any labor expended on any such material or for any incidental or consequential damages to anyone by reason of the fact that such material does not conform to this contract or to this written warranty ALL IMPLIED WARRANTIES INCLUDING THE IMPLIED WARRANTY OF MERCHANTABILITY AND THE IMPLIED WARRANTY OF FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED TO THE SAME EXTENT AS THE EXPRESS WARRANTY CONTAINED HEREIN Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you MANUFACTURER EXPRESSLY DISCLAIMS AND EXCLUDES ANY LIABILITY FOR CONSEQUENTIAL OR INCIDENTAL DAMAGES FOR BREACH OF ANY EXPRESS OR IMPLIED WARRANTY ARISING IN CONNECTION WITH THIS PRODUCT INCLUDING WITHOUT LIMITATION WHETHER IN TORT NEGLIGENCE STRICT LIABILITY CONTRACT OR OTHERWISE Some States do not allow the exclusion or limitation of incidental or consequential damages so the above limitation or exclusion may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from State to State 8 23833A594 7 05
4. back onto pump while pulling the cord out slowly Assemble motor housing with four bolts 10 Re assemble cord nut Be sure washers are seated and cord is pulled up against the washers Tighten nut securely 11 Put pump upright and refill motor with Myers submersible pump oil DO NOT OVER FILL WITH OIL See figure 1 page 3 for oil level Reas semble washer gasket nut item 20C in motor housing Retighten nut firmly but do not over tighten 12 Be sure pump turns freely before connecting power Turn pump on side and turn impeller using screwdriver in slotted shaft Plug pump into receptacle to test operation Pump must run quiet and free of vibration TO REPLACE MOTOR STATOR AND SHELL A CAUTION DISCONNECT ALL POWER AND CONTROL WIRES TO MOTOR AT CONTROL PANEL BEFORE STARTING DISASSEMBLY OPERATIONS NEVER RELY ON OPENING CIRCUIT BREAKER ONLY 1 Remove motor housing as de scribed above Hazardous voltage can shock burn or cause 2 Disconnect all leads from power and ground wire and set pump upright 3 Loosen four long screws holding motor and remove slowly 4 Either remove previous capacitors and clamps from old motor and assemble onto new stator and shell or replace with new capacitors and assemble per wiring diagram 5 Position bearing spring washer on top of upper ball bearing 6 Position the stator with shell into place and line up screws with bosses and tighten the 4 long screws
5. KED ON WITHOUT FIRST DISCONNECTING THE POWER CORD OIL TYPE The motor housing contains dielectric transformer oil to provide good heat transfer and lubrication of ball bear ings no other lubrication is required Oil level may be checked by removing the nut item 20C and washers from V the top of the motor housing The oil 4 level should be 3 7 8 from the boss see figure 1 with pump setting vertically Do not over fill with oil Only dielectric transformer oil obtained from an authorized service center should be used FIGURE 1 bee Z Level PUMP SWITCH INSTALLATIONS Ref No Part No Description 24 21813B145 Switch float PUMP SWITCH INSTALLATION INSTRUCTIONS NOTE In accordance to third party approval pump must be submerged a minimum of 81 2 from bottom 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 5 inches 9 cm from pipe Tighten strap around discharge pipe keeping switch cable between strap and pipe to prevent slippage see Figure Space small ties at least 1 inch 2 5 cm apart see Figure C To readjust ries press small tie tabs down To lock releasable tab run remaining strap be tween tab and head Tuck strap back through head see Figure switch plug pump plu
6. T This condition exists ifthe switchis on or off Install double pole disconnect on all 230 VAC pump circuits 23833A594 REPLACING PARTS SAFETY WARNINGS AWARNING Risk of electrical shock Pumps are supplied with a grounding conductor and grounding type attachment plug on the power cord To reduce the risk of electrical shock be certain that it is connected only to properly grounded grounding Hazard us voltage can type receptacle DO NOT cut off eae ee ground pin or use an adapter fitting DO NOT use an extension cord with this pump Entire plug may be cut off if a control panel is used When wiring this pump follow all local electrical safety codes and ordinances as well as most recent National Electric Code NEC ANSI NFPA The D1C20 21 Series grinder pumps have a GROUND WIRE that is connected to a screw in the metal motor housing This wire goes to the receptacle or control box which must be connected to a good outside GROUND such as a metal water pipe or GROUND STAKE driven at least 8 feet into the ground DISMANTLING PUMP FOR REPLACEMENT PARTS Before dismantling pump for replacement parts clean pump thoroughly Knock off all scale and deposits Use sandblast if possible Submerge complete unit in Clorox solution for one hour before taking apart REPLACING GRINDER IMPELLER AND GRINDER SHREDDING RING This is the only disassembly operation allowed in the field All other repairs must be done at the factory or at an
7. a Delta Environmental Products Pentair Water D 1 C 2 0 2 1 2HP Centrifugal Grinder Pump Installation amp Service Manual with Parts List Grinder Pump for Residential and Pressure Sewer Applications NOTE To the installer Please make sure you provide this manual to the owner of the pumping equipment or to the responsible party who maintains the system 23833A594 1 1 4 NPT Discharge Motor Housing must be 9 ANI XZ X NN 7772 oN pd s positioned as shown NOTE On Item 26A clamp once clamp is tightened cut off excess strap AN T Black screw on motor end bell SSS SAN gt aoa NS E he UE s Va 2 7 X Go YA 12 N TCA NN 202 OOOO J Insulated terminals terminals ECZ ZZi IR Yy Nm LLL 4 N VN NOD OOOO 23833A594 PARTS LIST AND SAFETY CAUTIONS Ref No Part No Description 1 26433D002 Case volute 2 21584B000 Flange w shredding ring 3 19099A012 Screw cap 1 4 1 long SST 3 req d 4 21583B000 Retainer impeller SST 5 07597A018 Sc
8. authorized service station STANDARD TOOLS REQUIRED 1 Allen head socket set Standard socket wrench set Set of open end wrenches Plastic hammer Vise grip pliers Large screwdriver with heavy handle Three cornered file IMPORTANT Pump should be thoroughly cleaned of trash and deposits before starting disassembly operations A CAUTION DISCONNECT ALL POWER AND CONTROL WIRES TO MOTOR AT CONTROL PANEL BEFORE STARTING DISASSEMBLY OPERATIONS NEVER RELY ON OPENING CIRCUIT BREAKER ONLY NOOR OW AWARNING Hazardous voltage can shock burn or cause DISASSEMBLY OF SHREDDING RING AND GRINDER IMPELLER 1 Remove three screws from grinder ring flange Grinder ring is pressed into flange for easy removal 2 Using allen head socket wrench thread two screws 23833A594 5 into tapped back off holes in flange evenly tighten screws to guide grinding ring out of pump volute case Hold grinder impeller by prying AWARNING against impeller cutting bar and remove cap screw from end of shaft Use large screwdriver in slot in end of shaft and bump on cutter vane with plastic hammer Bump in counterclockwise direction as thread is right hand It may take several bumps to loosen impeller If impeller cannot be loosened it will be necessary to take unit to service station for service DO NOT CONTINUE TO POUND ON IMPELLER AS IMPELLER AND SHAFT MAY BE DAMAGED If impeller comes off easily cl
9. ean up and replace if worn 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 If the pump impeller has loosened remove grinder impeller and shredding ring as described above and remove bolts from volute case and remove case Plastic hammer can be used to bump on casing discharge to loosen Place gasket in oil to prevent drying out DO NOT loosen the pump impeller further it is the seat for the seal spring After case is removed wrap emery paper around shaft and hold with vice grip pliers Use cloth on impeller and screw up against shoulder Now pump can be reassembled Clean all threads with wire brush and file smooth any threads that may have been nicked Use Never Seeze or other graphite compound on threads before replacing grinding impeller Be sure cap screw in bottom of shaft is tight Hold impeller with a screwdriver between cutter bar and teeth of shredding ring while tightening cap screw sure impeller turns free by hand after reassem bly Some drag will occur due to the seal but there should be no binding or tight spots when turning the grinder impeller If impeller rubs or drags on s
10. g A tether length Fig A Piggy Back Plug Install A A Ne Electrical outlet must not be located in pump chamber Electrical outlet voltage piggyback plug voltage and pump voltage must match Follow steps 1 through 4 of Mounting The Switch Insert switch s piggy back plug into outlet Plug pump into piggy back plug see Figure A Check installation Allow system to cycle to insure proper operation Determining Pumping Range In Inches 1 inch 2 5 cm tether 356 10 1418 2224 length pumping 7 19 16 22 28 33 36 range Use only as a guide Pumping ranges are based on testing in non turbulent conditions Range may vary due to water temperature and cord shape Note As the tether length increases so does the variance of the pumping range Fig B secure 3 5 inch 9 cm cable minimum under tether length strap strap head space ties 1inch releasable tab 2 5 cm apart Fig C Direct Wire Install 1 Follow steps 1 through 4 of Mounting The Switch 2 Wire switch as shown below 3 Check installation Allow system to cycle to insure proper operation 230 VAC junction box liquid tight connector PMT 230 VAC pump installations one side of the line going to the pump is always HO
11. hredding ring loosen bolts in shredding ring plate and tap with plastic hammer to loosen retighten screws Be sure to pull screw down evenly applying pressure on all three screws DO NOT TIGHTEN ONE SCREW CLEAR DOWN BEFORE ADJUSTING OTHER SCREWS 13 ALWAYS use rag on the impeller when turning to prevent cutting hands on the sharp corners of shredding ring TO REPLACE CAPACITORS ONLY A CAUTION DISCONNECT ALL POWER AND CONTROL WIRES TO MOTOR AT CONTROL PANEL BEFORE STARTING DISASSEMBLY OPERATIONS DO NOT RELY ON OPENING CIRCUIT BREAKER ONLY 1 Remove oil fill plug near the top of motor housing and pour oil out AWARNING Hazardous voltage can shock burn or cause death 2 Loosen the cord nut on power cord until cord is loose enough to push cord down into motor housing 3 Remove four bolts from motor housing and bump housing with a plastic hammer to loosen Lay pump on its side 4 Remove the housing carefully to be sure that enough cord is pushed into the housing to create no tension on cord 5 Slide motor housing up far enough to expose the capacitors and to be able to lay the housing down 6 Disconnect wiring from capacitor and loosen capacitor clamp and slide capacitor out Replace with new capacitor tighten clamp and reconnect per wiring diagram given in this manual 7 Check all wiring connectors to be sure they are secure Be sure tetraseal gasket is in place 9 Slide motor housing
12. lip capacitor 26A 17190A004 Clamp USAGE The D1C20 21 Series is a submersible wastewater grinder pump designed specifically for individual residential and pressure sewer applications The pump is to be used for domestic sewage only and not to be used for pumping commercial or industrial sewage such as motels schools apartments factories etc THIS PUMP IS NOT FOR USE IN HAZARDOUS LOCA TIONS INSTRUCTIONS These instructions cover only the grinder pump unit Separate instructions for the basin system are included with the basin Pump is not to be disassembled except at a certified service station or at the factory WAR RANTY IS VOID IF PUMP IS TAKEN APART FOR ANY REASON EXCEPT TO REPLACE GRINDER IMPELLER VOLUTE CASE GRINDING RING INSPECTING PUMP Before making any piping or electrical connections check the pump for ship ping damage or cracks Using a flat screwdriver placed in the slot on the shaft end turn shaft and impellers to be sure they are free DO NOT TURN IMPELLER WITH FINGERS AS EDGES ARE SHARP 23833A594 3 A CAUTION NEVER WORK ON THE UNIT WITHOUT DISCONNECTING THE ELECTRICAL POWER CORD POWER SUPPLY The D1C20 21 Series grinder pump should only be connected to a 230 volt single phase 60 Hz power source The pump will draw approximately 9 1 amperes at minimum flow and 15 0 full load amperes Locked rotor current is 51 9 amperes The pump must be connected to a grounded power socket
13. rew flat head 1 4 x 3 4 long 5A 14550A001 Sealant Loctite grade 271 6 21582B000 Impeller grinding 7 05013A039 Screw set 1 4 x 3 8 long 2 req d 8 26434C010 Impeller pump plastic 8 26434C000 Impeller cast iron optional 9 26430D001 Plate seal bearing 9A 05014 181 Gasket tetraseal 7 x 6 3 4 x 1 8 10 25327D000 Housing motor 11 19100A012 Screw 5 16 x 1 1 4 long 8 req d 12 21576A010 Seal 7 8 shaft 13 08565A018 Bearing lower 14A 26466C101 Stator w shell 2 230v 1 ph 14B 26466C002 Rotor w shaft 14C 09859A827 Wire w term black 9 long 14D 09859A828 Wire w term black 4 1 2 long 14E 09859A829 Wire w term yellow 4 long 14F 09859A830 Wire w term red 3 long 14H 09859A832 Wire w term green 6 long 141 24481A008 Switch mechanical 16 12141A015 Capacitor start with resistor 16A 20333 001 Clip Capacitor 17 08565A013 Bearing upper 17A 12558A030 Ring retaining 18 19331A005 Washer spring finger 19 05022A092 Plug pipe 1 4 NPT 20 05030 235 Washer SST 3 32 thick 20A 05014A193 Gasket rubber 20B 05030A234 Washer SST 1 32 thick 20C 25341A002 Nut solid 21 25338B001 Cord power 23 11009A003K Oil transformer 24 21813B145 Switch float 25 23838A010 Capacitor run with resistor 25A 20333A004 C
14. t together E Float may be stuck Be sure float operates freely in basin Check tether length of switch per instructions F If all symptoms check OK motor winding may be open take to service center for check G Check valve may be installed backwards Arrow on valve points in direction of flow H Discharge shut off valve if used may be closed I Pump may be air locked Start and stop several times by plug ging and unplugging cord Check vent hole on pump case for plugging J Pump head may be too high Pump cannot deliver water over 100 ft vertical Horizontal distance does not affect pumping except loss due to friction K Inlet holes in pump base may be clogged Remove pump and clean out openings L Impeller or volute openings may be plugged or partially plugged Remove pump and clean per maintenance instructions Check tether length of switch per instructions M Float is stuck in up position Be sure float operates freely in basin N Pump impeller may be partially clogged causing motor to run slow resulting in motor overload O Fuse size or circuit breaker is too small Must be 20 amps P Defective motor stator Return to Myers service center 23833A594 LIMITED WARRANTY Delta Environmental Products warrants to the original purchaser of each Delta Environmental Product grinder pump system s that any part thereof which proves to be defective in material or workmanship within two
15. year from date of installation or 27 months from manufacture date extended warranty available whichever comes first will be replaced at no charge with a new or remanufactured part F O B factory Purchaser shall assume all responsibility and expense from removal reinstallation and freight Any item s designated as manufactured by others shall be covered only by the express warranty of the manufacturer thereof This warranty does not apply to damage resulting from accident alteration design misuse or abuse The pump must be installed operated and maintained in accordance with the published instructions of the appropriate Installation amp Service Manual All dual seal grinders must have seal failure and heat sensors attached and functional for Warranty to be in effect If a seal failure should occur Delta Environmental Products will cover only the lower seal and labor thereof Labor based on Authorized Service Center contract allowance If the heat sensor is not attached and functional Warranty is void If the seal failure sensor is not attached and functional Warranty is void If the material furnished to the Buyer shall fail to conform to this contract or to any of the terms of this written warranty Delta Environmental Products shall replace such nonconforming material at the original point of delivery and shall furnish instruction for its disposition Any transportation charges involved in such disposition shall be for the Buyer s account
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