Liberty Pumps LCU-PR20S Installation Manual Download | Manualshive

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Plenum-Rated

Condensate Pump

Installation

2235000A

Models

LCU-PR20S

LCU-PR220S

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Summary of Contents for LCU-PR20S

Page 1: ...1 Plenum Rated Condensate Pump Installation 2235000A Models LCU PR20S LCU PR220S ...

Page 2: ...ARNING Pump must be properly wired to condensate producing appliance control board in order to shut off appliance in alarm high water conditions Supply voltage and frequency must match what is shown on pump nameplate Source voltages lower than the rated supply can reduce performance and cause pump to overheat Pump must be level and should be mounted to or placed on a solid surface or floor DO NOT ...

Page 3: ...When the tank is sufficiently empty the pump automatically switches off Pump is capable of lifting water up to 22 ft and is equipped with a check valve that prevents water from flowing back into the tank when the pump shuts off The pump is outfitted with LED indicators that show the status of power available motor running and high water alarm conditions The pump is also equipped with a switch that...

Page 4: ...maximum 22 ft maximum Flow Rate at Zero Head 1 6 GPM 1 0 GPM Product Weight 4 7 lbs 4 7 lbs Inlet Height from Base 1 75 1 75 Specifications Features Metal Hang Tabs LED Indicator Lights Inlet Hole Inlet Hole Cover Rubber Feet Check Valve A B PART DESCRIPTION QUANTITY A Condensate Pump 1 B Inlet Hole Covers 3 Package Contents ...

Page 5: ...Place on Floor Determine condensate pump location Pump must be level and should be mounted to or placed on a solid surface or floor away from moving objects and extreme heat Mounting Options 1a Installation ...

Page 6: ...ump on solid surface 2 Hold pump cover with one hand 3 With other hand push one hanging tab away from centerline of the pump perpendicular to wide part of tab 4 There should be a click sound 5 Repeat for other hanging tab 6 The pump should be free from base 7 Lift pump off tank and rotate 180 degrees 8 Push pump onto tank and there should be two click sounds 9 Check that pump is secured to tank In...

Page 7: ...2 3 8 Clear Vinyl Plastic Tubing 5 8 Hose Clamp Check Valve 3 Support pump and piping when assembling and when installed Failure to do so may cause piping to break pump to fail motor bearing failures etc 2 Level Unit Ensure that condensate pump is level If unit is out of level by more than 15º from horizontal surface it will not function properly and warranty and property protection will not be va...

Page 8: ...ons Install condensate drain tubing into one of the four inlet holes making sure tubing is vertical Inlet tubing should be cut to 45 degree angle If installing to a humidifier a P trap should be used To Condensate Pump P Trap Condensate Drain Tubing To Humidifier Installation Inlet Connection ...

Page 9: ...9 5 5 Install Inlet Covers Insert inlet covers in remaining condensate pump inlet holes Installation ...

Page 10: ...with local authority NEC and Occupational Safety and Health Act OSHA 2 The installation should be performed by a qualified technician Comply with national and local electrical and plumbing codes as well as local authority NEC and OSHA 3 Pump conductors must be connected to voltage specified on the pump nameplate Power conductors must be connected to a constant source of power not a fan or other de...

Page 11: ...rcuit Connect the safety switch in series with the low voltage thermostat circuit as specified in the thermostat s operating manual Installation 6a Conduit Connection 1 Loosen conduit fitting nut 2 Rotate fitting for desired application 3 Route wires through conduit 4 Align conduit and insert conduit into conduit fitting 5 Tighten conduit screws To prevent abrasion of wires conduit should be reame...

Page 12: ...r LED will indicate pump is operating A green LED indicates pump has power 2 Testing Overflow Switch if connected Manually overfill tank with water If overflow safety switch is wired correctly appliance will shut down condensate pump will pump out water and a red LED will illuminate ...

Page 13: ...us LED STATUS Green Indicates pump has power and is ready Amber Indicates pump is running and removing condensate from tank Red Indicates pump is in alarm mode and that the system is shutoff disabled if connected Operation ...

Page 14: ...eck while lifting on pump cover Periodically inspect the condensate pump tank to ensure it is free of accumulated dirt or sludge DO NOT use solvent cleaners Clean tank with mild soap and warm water only Check valve may be removed for cleaning or replacement by unscrewing with a 15 mm wrench Clean inlet and outlet piping Reassemble system and check for correct operation 2 1 ...

Page 15: ...ensure that pump is level If pump is not level it may not activate causing water to overflow from tank Place unit on a flat and level surface 4 Outlet flow is blocked 4 Check outlet tubing to ensure that it is not kinked or blocked Clear blocked tubing of slime and debris Clean inlet and outlet piping 5 Pump impeller is not turning 5 Clear any blockage in impeller housing If problem persists motor...

Page 16: ...ructions if it has been disassembled modified abused or tampered with if the electrical cord has been cut damaged or spliced if the pump discharge has been reduced in size if the pump has been used in water temperatures above the advertised rating if the pump has been used in water containing sand lime cement gravel or other abrasives if the product has been used to pump chemicals grease or hydroc...

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