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SUBMERSIBLE SUMP PUMPS
SERIES MDC
INSTALLATION AND
OPERATION MANUAL
pentair.com

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Summary of Contents for Pentair MYERS MDC Series

  • Page 1 SUBMERSIBLE SUMP PUMPS SERIES MDC INSTALLATION AND OPERATION MANUAL pentair.com...
  • Page 2: Table Of Contents

    TABLE OF CONTENTS INTRODUCTION Safety Instructions ....................................3 Specifications ......................................4 Installation ......................................5 Operation / Maintenance ..................................6 Parts Breakdown ....................................7 Troubleshooting ....................................8 Warranty ......................................11 MY1048 (05/01/2021)
  • Page 3: Safety Instructions

    SAFETY INSTRUCTIONS SAFETY SYMBOLS CALIFORNIA PROPOSITION 65 WARNING: This product and related accessories contain This is the safety alert symbol. When you see this symbol chemicals known to the State of California to cause cancer, on your pump or in this manual, look for one of the following birth defects or other reproductive harm.
  • Page 4: Specifications

    SPECIFICATIONS SPECIFICATIONS Power supply required ......115V, 60 HZ. Liquid Temp. Range ....32°F to 130°F (0°-54°C) Individual Branch MDC33 Series .
  • Page 5: Installation

    INSTALLATION INSTALLATION Install the pump in a sump pit with a minimum diameter of 10” (254 mm) for models equipped with vertical switches, 12” (305 mm) for diaphragm float switch models and 14” (356 mm) for tethered tethered float switch models. The sump depth should be 15”...
  • Page 6: Operation / Maintenance

    OPERATION / MAINTENANCE Risk of electrical shock. Can burn or cause death. Do not handle a pump or pump motor with wet hands or when standing on a wet or damp surface, or in water. Before attempting to check why unit has stopped operating, disconnect power from unit.
  • Page 7: Parts Breakdown

    PARTS BREAKDOWN Power Cord Switches MODEL NUMBER POWER CORD SWITCH MDC33D10 PW117-281-TSU 149742005-01 MDC33M10 PW117-281-TSU MDC33MCI10 PW117-281-TSU MDC33T10 PW117-281-TSU PS17-109 MDC33TCI10 PW117-281-TSU PS17-109 MDC33T20 PW117-122-TSU PS17-111 MDC33TCI20 PW117-122-TSU PS17-111 MDC33V10 PW117-281-TSU PKG 208 MDC33VCI10 PW117-281-TSU PKG 208 MDC33V20 PW117-122-TSU PS117-2127 MDC50T10 PW117-237-TSU PS17-109...
  • Page 8: Troubleshooting

    TROUBLESHOOTING SYMPTOM PROBABLE CAUSE(S) CORRECTIVE ACTION Blown fuse. If blown, replace with a fuse of proper size. If the voltage is under the recommended minimum, check the size of Low line voltage. the wiring from the main switch on the property. If OK, contact power company or hydro authority.
  • Page 9 INTENTIONALLY LEFT BLANK MY1048 (05/01/2021)
  • Page 10 INTENTIONALLY LEFT BLANK MY1048 (05/01/2021)
  • Page 11: Warranty

    WARRANTY LIMITED WARRANTY Myers® warrants to the original consumer purchaser (“Purchaser” or “You”) of the products listed below, that they will be free from defects in material and workmanship for the Warranty Period shown below. PRODUCT WARRANTY PERIOD WHICHEVER OCCURS FIRST: Jet pumps, small centrifugal pumps, submersible 12 months from date of original installation, or 18 months from date of manufacture pumps and related accessories...
  • Page 12 PH: 800-363-7867 All indicated Pentair trademarks and logos are property of Pentair. Third party registered and unregistered trademarks and logos are the property of their respective owners. Because we are continuously improving our products and services, Pentair reserves the right to change specifications without prior notice. Pentair is an equal opportunity employer.