The pump is built with overload thermal protections and auto reset. Ball bearings on motor shafts never need lubrication. The MD500T is equipped with a 10’ 3-prong grounding-type power cord pump is a manual pump, a switching device is required.
SAFETY INSTRUCTIONS Please read and understand this entire manual before attempting to assemble, operate or install the product. Failure to comply with instructions and designed operation of this system may void warranty. ATTEMPTING TO USE A DAMAGED PUMP can result in personal injury or death! Safety Precautions 1.
For tethered piggyback float switch mounting. The length of the tether (distance of cord from float to clamp) should be set around 3.5 inches (pre-set on the MD500T-G and MD500T-V) and should not be used in a basin smaller than 18 inches in diameter. If using a differential other than the factory setting, be sure when the pump shuts off at least 4.5”...
OPERATION WARNING: Do not handle this pump or plug in or unplug this pump with wet hands or while standing in water, unless you are certain all power has been turned off to the pump. Remember, the pump should be connected only to a properly grounded, GFCI outlet.
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TROUBLESHOOTING GUIDE CHECKLIST Do not disassemble the motor housing. This motor has NO repairable internal parts, and disassembly may cause an oil leak or dangerous electrical wiring issues. DO NOT lift up the pump by power cord. Problem Possible Cause Corrective Action Pump does not start 1.
The original sales receipt must accompany the returned pump. MDI shall not be liable under this Warranty for any product that, in our sole judgment, has been subject to negligence, misapplication, improper installation, or improper maintenance. Also, MDI shall not be liable under this Warranty if the product has been disassembled, modified, abused or tampered with;...
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