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TM
DYNA-PRO
CENTRIFUGAL PUMPS
WITH INTEGRAL TRAP
O W N E R’ S M A N U A L
(Unions optional)
INSTALLATION, OPERATION & PARTS
Series MPRA, MPEA, and MPE
See Page 3 for Model Numbers
This manual should be furnished to
the end user of this pump; its use will
reduce service calls and chance of
injury and will lengthen pump life.
Pentair Water Pool and Spa, Inc.
Sanford, N.C., Moorpark, CA, USA
Ontario, Canada
Herentals, Belgium S771 (Rev. B 2/8/08)
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Technical Support Sanford, North Carolina (8 A.M to 5 P.M.) Phone: (800) 831-7133 Moorpark, California (8 A.M to 5 P.M.) Phone: (800) 831-7133 Fax: (800) 284-4151 Websites: visit www.pentairpool.com and staritepool.com © 2008 Pentair Water Pool and Spa, Inc. All rights reserved. This document is subject to change without notice. 1620 Hawkins Ave., Sanford, NC 27330 • (919) 566-8000 10951 West Los Angeles Ave., Moorpark, CA 93021 • (805) 553-5000 Trademarks and disclamers: Sta-Rite® and Dyna-Pro
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‘MPRA’, ‘MPEA’ & ‘MPE’ READ AND FOLLOW SERIES PUMPS WITH SAFETY INSTRUCTIONS! TRAP This is the safety alert symbol. When you see this To avoid unneeded service calls, prevent possible in- symbol on your system or in this manual, look for juries, and get the most out of your pump, READ THIS one of the following signal words and be alert to the po- MANUAL CAREFULLY! tential for personal injury. The Sta-Rite ‘MPRA’, ‘MPEA’ & ‘MPE’ Series Self-priming Centrifugal pump: warns about hazards that will
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1. Do not connect system to a high pressure or city water system. 2. Use equipment only in a pool or spa installation. 3. Trapped air in system can cause explosion. BE SURE all air is out of system before operating or testing equipment. Before pressure testing, make the following safety checks: Arrows • Check all clamps, bolts, lids, and system accessories before testing. Tab • Release all air in system before testing. Discharge • Water pressure for test must be less than 25 PSI Port 2 (7.5 kg
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POOL PUMP SUCTION Allow pump suction inlet height to be as close to water level as possible. Pump will not lift water more than REQUIREMENTS 10' (3m). Pump suction is haz- Allow use of short, direct suction pipe (To reduce friction ardous and can trap and losses). drown or disembowel Allow for gate valves in suction and discharge piping. bathers. Do not use or oper- Have adequate floor drainage to prevent flooding. ate swimming pools, spas, or Be protected from excess moisture. hot tubs if a su
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Water Velocity ELECTRICAL The maximum water velocity through the suction fitting Ground motor before or cover for any suction outlet must not exceed 1.5 feet connecting to electrical power supply. Failure to per second unless the outlet complies with the latest ground motor can cause se- ANSI/ASME Specification for Suction Fittings For Use in vere or fatal electrical shock Swimming Pools, Spas, Hot Tubs, and Whirlpool Bathtub hazard. Applications. In any case, do not exceed the suction fit- ting
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A A L2 L2 L L1 1 1. Turn off power. Grounding/Bonding 2. Remove the motor end cover. Install, ground, bond and wire motor according to local or National Electrical Code requirements. To Wire a Single Speed, Single Voltage Motor Permanently ground motor. Use green ground terminal There are two terminals labeled L1 and L2. Attach the provided under motor canopy or access plate (See Figure power leads to these terminals. Either wire may attach to 4); use size and type wire required by code. Connect
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TABLE I - RECOMMENDED CIRCUIT BREAKER AND WIRING DATA Serv. to Motor - Dist. in Ft. (M) Motor Branch CB Max Load Voltage/ 0-100' 101-200' 201-300' HP Rating Amps Amps Hz/Phase (0-30) (30-60) (60-90) MPRA SERIES – SINGLE SPEED 3/4 20/15 13.4/6.7 115/230/60/1 12/14(3/2) 10/14(5.5/2) 8/14(8.4/2) AWG Wire 1 20/15 15.3/7.6 115/230/60/1 12/14(3/2) 8/14(8.4/2) 6/14(14/2) Size 1-1/2 25/15 19.2/9.6 115/230/60/1 10/14(5.5/2) 8/14(8.4/2) 6/12(14/3) } 2 (mm ) 2 20 12.0 230/60/1 14(2) 14(2) 12(3) MPEA SERIES
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Replace trap cover on trap; turn clockwise to tighten OPERATION cover. NOTICE: NEVER run pump dry. Running pump dry may NOTICE: Tighten trap cover handle ring by hand only damage seals, causing leakage and flooding. Fill pump (no wrenches)! See Figure 1, Page 4. with water before starting motor. Pump should prime now. Priming time will depend on vertical length of suction lift and horizontal length of suc- Before removing trap cover: tion piping. 1. STOP PUMP before proceeding. If pump does not
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For outdoor/unprotected installations: Startup For Winterized Equipment 1. Enclose entire system in a weatherproof enclosure. 1. Remove any temporary weather protection placed around system for shutdown. 2. To avoid condensation/corrosion damage, allow venti- lation; do not wrap system in plastic. 2. Follow filter manufacturer’s instructions for reactiva- tion of the filter. 3. Use a 40% propylene glycol/60% water solution to protect pump to -50°F (-46°C). 3. Inspect all electrical wiring for da
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If shaft seal is worn or damaged, repair as follows: Pump Reassembly/Installing New Seal 1. Ceramic seat must be clean and free of dirt, grease, Pump Dissasembly/Removing Old Seal dust, etc. Wet outer edge with small amount of liquid Disconnect power to pump motor. detergent; press ceramic seat into seal plate cavity Be sure valves on suction and return piping are firmly and squarely with finger pressure (Figure 7). closed before starting work. Polished Release all pressure by opening all vents
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Electrical: TROUBLESHOOTING 10. Pump may be running too GUIDE slowly; check voltage at Read and understand safety and operating motor terminals and at instructions in this manual before doing any meter while pump is run- work on pump! ning. If low, see wiring in- structions or consult Only qualified personnel should electrically test power company. Check pump motor! for loose connections. FAILURE TO PUMP; REDUCED CAPACITY 11. Pump may be too hot. OR DISCHARGE PRESSURE A. Check line v
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REPAIR PARTS LIST DYNA-PRO™ POOL PUMP 1/2 through 2-1/2 HP Models Single Speed and Two Speed 1 2 3 4 See 5 6 Box A 7 8 24 8A 8B 12 9 10 23 13 14 11 22 21 20 15A 19 See Box A 18 17 16 15B Model No. HP Motor (Key No. 1) Single Speed 115/230/60/1 Box A MPRA6D-204L 3/4 A100DLL For quick disconnect pipe connections, MPRA6E-205L 1 A100ELL purchase separately: MPRA6F-206L 1-1/2 A100FLL Pkg. 188 2" Slip 1/2 Union Kit or MPEA6D-204L 3/4 AE100DLL Pkg. 189 2" NPT 1/2 Union Kit. MPEA6E-205L 1 AE100ELL Inclu
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REPAIR PARTS LIST DYNA-PRO™ POOL PUMP 1/2 through 2-1/2 HP Models Single Speed and Two Speed MPEA6G-207L MPEA6F-206L MPE6F-207L MPEAA6G-208L MPEA6D-204L MPEA6E-205L MPE6E-206L MPEA6YG-207L MPE6G-208L Key Part MPE6C-204L MPE6D-205L MPRA6F-206L MPE6YF-207L MPEAA6YG-208L No. Description Qty. MPRA6D-204L MPRA6E-205L MPRA6YF-206L MPRA6G-207 MPE6G-208L 2 Screw #10-32x1/2" 1 U30-692SS U30-692SS U30-692SS U30-692SS U30-692SS 3 Bonding Lug 1 U17-568 U17-568 U17-568 U17-568 U17-568 4 Slinger 1 17351-0009
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P/N S771 Rev. B 2/8/08
