Sequence 1000 Manual
Contents
1. SEQUENCE 1000 INSTALLATION AND SERVICE MANUAL Please fill in for future reference MODEL SERIAL NUMBER DATE PURCHASED Please fill out the warranty registration card in this manual or online at www mdminc com SEQUENCE XXXXSEQXX SIN XXXX XXXXXX STRAIGHT CENTRIFUGAL MOTOR NEMA C FACE 56 HORSEPOWER 1 8 1 6 1 4 1 3 1750 RPM 1 5 2 3450 RPM INLET 1 1 2 FNPT DISCHARGE 1 1 2 FNPT MATERIAL 40 GLASS FILLED POLYPROPYLENE HARDWARE STAINLESS STEEL OPTIONS SALTWATER SERVICE ACCESORIES 90 CUBIC INCH STRAINER BASKETS 1 5 amp 2 SWING CHECK VALVES 1 5 2 3 500 CUBIC INCH STRAINER BASKETS 11 2 2 3 Model 3300SEQ21 4500SEQ21 5100S Q22 6100SEQ23 8500PWR55 9200PWR69 11000PWR72 NLET 1 5 1 5 1 5 1 5 1 5 1 5 1 5 DISCHARGE 1 5 1 5 1 5 1 5 1 5 1 5 1 5 AX FLOW gph 3300 4500 5100 6100 8500 9200 11000 AX HEAD feet 2r 2r 22 23 55 69 72 AX POWER watts 206 250 293 366 1385 1744 2056 AX CURRENT amps 2 36 115V 2 69 115V 3 03 115V 3 59 115V 5 38 230V 6 82 230V 8 58 230V VOLTS 115 230 115 230 115 230 115 230 230 115V 230 115V 230 115V OTOR HP 1 3 1 4 1 6 1 8 1 3 1 4 1 6 1 8 1 3 1 4 1 6 1 8 1 3 1 4 1 6 1 8 1 5 1 5 2 OTOR TYPE 56 56 56 56 56 56 56 OTOR ENCLOSURE TEFC TEFC TEFC TEFC TEFC TEFC TEFC MPELLER 4 5 6 7 6T 3 85 6T 4 252. TT 4 21 WARNING Please read completely before you install or operate your new pump This is an external out of pond pump It is NOT submersible Do NOT allow this pump to become submerged Never run dry Max case pressure 65 PSI Proudly Made in the USA 5 Us ta i n ab e E ffi C i e n t 2008 MDM INC PEN hen SEQUENCE 1000 We congratulate you on your choice of the Sequence 1000 Centrifugal Pump It has been carefully designed using the advantages of today s technology and carefully constructed to give you the dependability of yesterday To insure proper performance we urge you to carefully follow the instructions in this manual If you have any questions call your nearest distributor or M D M for assistance INSTALLATION Please read carefully When properly installed the Sequence 1000 will provide dependable trouble free service Locate the pump as near the water source as possible A flooded suction situation is preferred The pump is not self priming therefore if the fluid level is below the pump a swing check valve must be installed and the pump primed prior to start up Figure 2 Mount motor base to a secure immobile foundation Use only plastic fittings on both the intake and discharge ports Seal pipe connections with Teflon paste These fittings should be self supported and in neutral alignment with each port i e Fittings must not be forced into align
3. NANCE Lubrication Motor Permanently Lubricated ball bearings no service required Rotary Seal Requires no lubrication after assembly The pump must be drained before servicing or if stored below freezing temperatures Periodic replacement of seals may be required due to normal carbon wear Symptom Problem Resolution Insufficient Prime Prime system with water and purge all air from suction piping Install check valve Insufficient Power Verify power supply and connection from panel to pump Verify proper voltage Some models are dual voltage 115 230 Ensure valves are open No Flow Flow Restriction Ensure plumbing is clear including suction strainers check valves etc Verify check valve orientation and direction of permitted flow Clean out leaves or other debris from basket strainer if applicable Air leak Fix air leaks at fittings connections strainer basket etc This typically occurs on the intake side System Incompatibility Verify hydraulic compatibility i e pump amp pipe are sized for the system Air leak Fix air leaks at fittings connections strainer basket etc This typically occurs on the intake side System Incompatibility Verify hydraulic compatibility i e pump amp pipe are sized for the system Verify power supply and connection from panel to pump Insuficient Power Verify ae aa Some models are rite AE LIS7250 Ensure valves are open Flow
4. Restriction Ensure plumbing is clear including suction strainers check valves etc Low Flow Clean out leaves or other debris from basket strainer if applicable Insufficient Prime Prime system with water and purge all air from suction piping Verify airtight plumbing on the suction plumbing especially fittings Clean out leaves or other debris from basket strainer if applicable Cavitation Increase pipe size where possible Decrease suction pipe length reduce the number of elbows etc Verify hydraulic compatibility i e pump and pipe are sized for the system Insufficient Power Verify power supply and connection from panel to pump Sporadic Operation Verify proper voltage Some models are dual voltage 115 230 Poor Ventilation Ensure adequate aiflow over motor to prevent overheating Verify airtight plumbing on the suction plumbing especially fittings Clean out leaves or other debris from basket strainer if applicable Cavitation Increase pipe size where possible Decrease suction pipe length reduce the number of elbows etc Excessive Noise Verify hydraulic compatibility i e pump and pipe are sized for the system Insufficient Power Verify power supply and connection from panel to pump Verify proper voltage Some models are dual voltage 115 230 Ensure valves are open Flow Restriction Ensure plumbing is clear includ
5. chase receipt and present it with this certificate as proof of ownership and entitlement to warranty repairs Unauthorized repairs will not be compensated by MDM and are not the responsibility of MDM and if such repairs damage the product such damages are not remedied under this warranty 4 Purchaser shall bear all shipping packing and insurance costs and all other costs excluding labor and parts necessary to effectuate repairs under this warranty 5 Periodic check ups are not covered by this warranty 6 This warranty is in lieu of all other express warranties which now or hereafter might otherwise arise with respect to this prod Name Address City State Zip Model Serial Number Date purchased Where purchased Activate your warranty by filling out this form and mailing to MDM Inc or by registering on line at www mdminc com Made in the US Sustainable uct Any and all limited warranties including the warranties of merchantability and fitness for particular purpose shall have no greater duration than the duration period of the express written warranty applicable to this product and shall terminate automatically the expiration of such duration period Some states do not allow limitations on how long an implied warranty lasts so the above limitation may not apply to you No action shall be brought for breach of any implied or express warranty after one year subsequent to the expiration of the duration per
6. ing suction strainers check valves etc Verify check valve orientation and direction of permitted flow MDM INCORPORATED LIMITED WARRANTY This product is warranted to the initial purchaser to be free of defects in materials and workmanship at the time of initial pur chase and for a period of 3 years for Sequence 1000 and Power products In the event this product malfunctions within three years from the date of purchase the sole obligation of MDM Incorporated hereinafter referred to as MDM will be to repair the unit or replace with an equivalent new or factory refurbished unit at MDM s discretion subject to the following conditions 1 The malfunction is proved attributable to a defect in materials or workmanship including repairs performed under this war ranty Malfunction for any other reason including but not limited to misuse negligence accident or tampering with parts incorrect wiring or improper installation will not be remedied under this warranty 2 MDM specifically does not guarantee chemical compatibility and expressly does not warrant units from any problems caused by chemical attack or failure due to incompatibility of fluid being pumped with pump materials of construction Purchaser shall also retain and present to MDM evidence of purchaser s compatibility tests under actual operating conditions 3 All warranty repairs must be performed by MDM or an MDM authorized company Purchaser must retain the pur
7. iod of the express written warranty 7 Incidental and consequential damages caused by malfunction defect or otherwise and with respect to breach of any ex press or implied warranty are not the responsibility of MDM and to the extent permitted by law are hereby excluded both for property damage and to the extent not unconscionable for personal injury damage 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 8 This warranty does not apply to any malfunction arising out of any application of this product other than normal use unless such application is upon request specifically approved in writing by MDM 9 The provisions of this warranty are severable and if any provision shall be deemed invalid the remaining provisions shall remain in full force and effect 10 Rights under this warranty are not assignable without the express prior consent in writing by MDM and regardless of the terms of such consent in writing such assignee shall have no greater rights than his assignor had against MDM 11 After the warranty period units requiring maintenance or repair may qualify for our exchange program The exchange pro gram provides an opportunity to repair replace your pump and or motor at a nominal charge Please refer to the Exchange Policy or contact MDM for details and current pricing y mm MDM INCORPORATED MDM 325 Karen Lane Colorado Spring
8. ment which may cause premature line failure or damage to the pump volute For non flooded installations a strainer basket and check valve are recommended Never restrict the intake Keep both input and discharge lines as free of elbows and valves as possible Always use pipe of adequate diameter This will reduce friction losses and maximize output The Sequence 1000 is not self priming It must not be run dry We recommend a flooded suction installation Please read carefully When properly installed the Sequence 1000 will provide dependable trouble free service For additional plumbing tips review MDM s website www mdminc com for pond plumbing and pump installation hints a oy BALL VALVE J _ _ So e FLOODED SUCTION t TOT SUCTION LIFT PUMP SWING CHECK VALVE WARNING DO NOT RUN DRY Figure 2 STATE AND LOCAL ORDINANCES IMPROPER WIRING MAY NOT ONLY BE A SAFETY HAZARD BUT MAY PERMANENTLY DAMAGE THE MOTOR AND OR j WARNING ALWAYS SHUT OFF ELECTRICAL POWER BEFORE INSTALLATION AND OR SERVICING THIS PUMP ALL ELECTRICAL WIRING SHOULD MEET PUMP 230V 50 HZ MOTORS AVAILABLE CONTACT YOUR SUPPLIER FOR INFORMATION ELECTRICAL HOOK UP Check that supply voltages match the motor s requirements Check motor wiring and connect according to instructions on motor to match supply voltage Power cord
9. nd nuts Tighten in a cross pattern 30 in Ibf Install drain plug with its O ring in volute drain hole Before operating pump allow a proper cure time for the sealant used in step 2 BRACKET DESCRIPTION SEQUENCE P N SLINGER DRAIN PLUG O RING DRAIN PLUG 9 VOLUTE LAR IMP VOLUTE Note These part numbers are only for standard models within the Sequence 1000 and Power 1000 series 1000 05__ Refer ence page one for Impeller numbers DRAIN PLUG O RING Q A j2 75 2 00 je a Se 1 1 2 FNPT 1 4 DES i poe IANA y 7 54 Iy 3 50 A A PEAY Motor illustration is for reference only DISASSEMBLY Shut off power to motor before disconnecting any electrical wiring from the back of the motor Disassemble volute from bracket by removing the seven 1 4 20 threads per inch x 2 3 4 hex cap screws Remove cap covering shaft at back of motor and with a large screwdriver prevent shaft rotation while unscrewing impeller Remove ceramic piece from impeller If you are replacing the seal Detach bracket from motor Remove carbon graphite seal from bracket by pressing out from the back Do not dig out from the front If you are replacing the seal Proudly Made in the USA 5 Us ta i n ab e E ffi C i e n t 2008 MDM INC SEQUENCE 1000 MAINTE
10. s CO 80907 eel Phone 719 634 8202 Fax 719 634 8317 WWW MDMINC COM Gasgacinch is a registered trademark of Porter Manufacturing Noryl is a registered trademark of the General Electric Company Teflon is a registered trademark of DuPont Company Sequence is a registered trademark of MDM Incorporated Sequence 1000 Installation Manual indd Adobe Indesign CS 2 0 05 28 08 2008 MDM INC Efficient
11. should be protected by conduit or by cable and be of proper gauge It should be no longer than necessary Power should be drawn directly from a box with circuit breaker protection or with a fused disconnect switch Proudly Made in the USA 5 Us ta i n ab e I Effic i e n t 2008 MDM INC 10 ll SEQUENCE 1000 PUMP END ASSEMBLY Clean and inspect all pump parts 0 ring seal seats motor shaft etc Apply sealant to the bracket bore ID wall and around the seal case follow sealant mfg instructions We recommend using Gasgacinch Silicone sealant can also be used Press carbon graphite seal into bracket while taking care not to damage carbon graphite face Place slinger rubber washer over motor shaft and mount bracket to motor Carefully lubricate the seal seat elastomer OD and impeller hub ID with water Press the seal seat into the impeller hub making certain that the ceramic is in evenly the sealing surface should be parallel with the impeller hub Carefully lubricate carbon graphite and ceramic sealing surfaces with CLEAN water Do not use silicon lubricants or grease Assemble Bracket to motor with four M bolts Thread impeller onto shaft and tighten If required remove motor end cap and use a screwdriver on the back of motor shaft to prevent shaft rotation while tightening Replace motor end cap Seat large O ring in volute slot and assemble volute to bracket with seven 1 4 20 x 2 3 4 hex cap screws washers a
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