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WIL-IO-SP-WCC28001-11 

1.

 

PREINSTALLATION CHECK

                                                             

Inspect this pump before it is used. Occasionally, pumps can be damaged during shipping. If the pump or components 

are deformed, cracked, or there is an oil leak, Call us Toll Free at: 866-945-6872 , or e-mail: [email protected]  

Monday – Friday between 8 a.m. – 6 p.m., EST. ATTEMPTING TO USE A DAMAGED PUMP can result in personal injury or 

death! 

 

2.

 

DESCRIPTION                                                                            

This Wilo submersible effluent pump is designed for pumping effluent, wastewater or flooded water with up to 3/4 inch 

solids. The pump is built with overload thermal protections and auto reset. The pump is equipped with a 10’ 3-prong 

grounding-type power cord and tethered float switch. This pump operates automatically. Ball bearings on motor shafts 

never need lubrication.  

 

Do not pump flammable or explosive liquids such as oil, gasoline, kerosene, ethanol, etc. Do not use in the 

presence of flammable or explosive vapors. Using this pump with or near flammable liquids can cause 

explosion or fire, resulting in serious personal injury or death and/or property damage. 

 

3.

 

SPECIFICATIONS

                                                               

 

 

Power supply required......................................................... 

115V, 60 HZ 

 

Water temperature range................................................... 

Max.131°F (55°C) 

 

Individual branch circuit required ..................................... 

15 Amp minimum 

 

Discharge Connection.........................................................2” FNPT  

 

Motor duty………………………………………………………………………..Continuous 

 

Power cord………………………………………………………………………..SJTW, 18AWG/3C, 10ft  

NOTICE: 

This unit is not designed to be used to pump salt water or brine! Use with salt water or brine will void warranty. 

 

4.

 

CONSTRUCTION                                                                       

 

Motor housing……………………………………………......................Cast Iron 

 

Motor cap………………………………………………………………………..Cast Iron 

 

Volute………………….………………………………………………………….Cast Iron 

 

Impeller…………………………………………………..………………………Reinforced thermoplastic vortex 

 

5.

 

PERFORMANCE 

 

                                                                      

 

Table 1 

Model HP 

GPM of Water @ Total Feet of Head

Max. Head

0 5ft.(1.5m) 

10ft.(3m) 

15ft.(4.6m) 

20ft.(6.1m) 

 

WCC28-20.50 

 

1/2 

63 

58 49 38 24  25ft. 

 

6.

 

GENERAL SAFETY INFORMATION                                               

 

This pump is made of high-strength, corrosion-resistant materials. It will provide trouble-free service for a long time 

when properly installed, maintained, and used. However, inadequate electrical power to the pump, dirt, or debris may 

cause the pump to fail. To minimize the potential for water damage due to pump failure, please read the section of this 

manual regarding common pump problems and remedies or call one of our pump experts at 866-945-6872 

 

Summary of Contents for WCC28-20.50

Page 1: ...Wilo SP Series Submersible Sewage Pumps WCC WCC28 20 50 Installation and operating instructions...

Page 2: ...plosion or fire resulting in serious personal injury or death and or property damage 3 SPECIFICATIONS Power supply required 115V 60 HZ Water temperature range Max 131 F 55 C Individual branch circuit...

Page 3: ...t the pump DIRECTLY to a grounded GFCI outlet 8 Extension cords may not deliver sufficient voltage to the pump motor Extension cords present a life threatening safety hazard if the insulation becomes...

Page 4: ...he pump is not running Check valve should be a free flow valve that will easily pass solids NOTICE For best performance of check valve when handling solids do not install it with discharge angled more...

Page 5: ...e water lowers to certain level the float switch will turn off the pump 3 The motor is equipped with an automatically resetting thermal overload protector If the motor gets too hot the overload protec...

Page 6: ...n turn the impeller 3 counter clockwise to release the impeller Remove debris from around the shaft and on and under the impeller Then reassemble the impeller gasket volute See Picture 2 10 TROUBLESHO...

Page 7: ...er the pump cover and the float switch turns upside down 10 Reposition the pump and make sure switch moves freely Pump operates but pumps little or no water 1 Debris caught in impeller or pipe 2 Check...

Page 8: ...a com Web www wilo usa com Wilo Canada Inc Bay 7 2915 10th Ave NE Calgary AB T2A 5L4 Tel 866 945 6236 Fax 403 277 9456 Email info wilo canada com Web www wilo canada com Wilo Mexico Managua No 978 Col...

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