Liberty Pumps LCU-20S Bedienungsanleitung
Liberty Pumps
Wasserpumpe
LCU-20S
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Installer: Manual must remain
with owner/operator.
Record information:
Model:
7000 Apple Tree Avenue
Bergen, NY 14416
ph: 1-800-543-2550
fax: 1-585-494-1839
www.LibertyPumps.com
Keep this manual handy for future reference.
For replacement manual, visit LibertyPumps.com,
or contact Liberty Pumps at 1-800-543-2550.
Retain dated sales receipt for warranty.
Serial:
Mfg Date:
Install Date:
Installation Manual
1796000B
Copyright © Liberty Pumps, Inc. 2023
All rights reserved.
LCU-Series Condensate Pumps
Models
LCU-15
115 VAC
LCU-15S
115 VAC
Safety Switch
LCU-20S
115 VAC
Safety Switch
LCU220S
230 VAC
Safety Switch
* Models ending with a “T” suffix (not listed) include 20’ of clear discharge tubing
2 | EN Copyright © Liberty Pumps, Inc. 2023
All rights reserved. 1796000B
Contents
Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 | EN
General Information . . . . . . . . . . . . . . . . . . . . . . . . . . 3 | EN
Pump Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 | EN
Maintenance and Troubleshooting . . . . . . . . . . . . . . 3 | EN
Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 | EN
Safety Guidelines
Safety Precautions
Accidental contact with electrically live parts, items, fluid, or
water can cause serious injury or death.
Always disconnect the pump from power source before
attempting to service the pump. Fatal electrical shock could
occur.
Do not handle or unplug the pump with wet hands, when
standing on damp surface, or in water unless wearing
Personal Protective Equipment.
The pump shall be plugged into a properly fused electrical
outlet with a ground fault circuit interrupter (GFCI) that
conforms to current National Electric Code (NEC) and all
applicable local codes. All wiring must be performed by
qualified personnel.
All electrical and safety practices shall be in accordance with
the National Electrical Code
®
, the Occupational Safety and
Health Administration, or applicable local codes and
ordinances.
Pump shall be properly grounded using its supplied
grounding conductor. Do not bypass grounding wires or
remove ground prong from attachment plugs. Failure to
properly ground the pump system can cause all metal
portions of the pump and its surroundings to become
energized.
Always wear dielectric rubber boots and other applicable
Personal Protective Equipment (PPE) when water is on the
floor and an energized pump system must be serviced, as
submerged electrical connections can energize the water. Do
not enter the water if the water level is higher than the PPE
protection or if the PPE is not watertight.
Do not handle or unplug pump with wet hands, when
standing on a wet/damp surface, or in water. Fatal electrical
shock could occur.
Do not lift or carry the pump by its power cord. This will
damage the power cord, and could expose the electrically live
wires inside the power cord.
The electrical power supply shall be located within the length
limitations of the pump power cord, and for below grade
installations it shall be at least 4 ft (1.22 m) above floor level.
Do not use this product in applications where human contact
with the pumped fluid is common (such as swimming pools,
fountains, marine areas, etc.).
Protect the power and control cords from the environment.
Unprotected power and control (switch) cords can allow
water to wick through ends into pump or switch housings,
causing surroundings to become energized.
Do not use an extension cord to power the product.
Extension cords can overload both the product and extension
cord supply wires. Overloaded wires will get very hot and can
catch on fire.
For cord replacement: power cord must be of the same
length and type as originally installed on the Liberty Pumps
product. Use of incorrect cord may lead to exceeding the
electrical rating of the cord and could result in death, serious
injury, or other significant failure.
Do not use to pump ammable or explosive uids such as
gasoline, fuel oil, kerosene, etc. Do not use in flammable
and/or explosive atmosphere. Sparks could ignite flammable
liquids.
Do not modify the pump/pump system in any way.
Modifications may affect seals, change the electrical loading
of the pump, or damage the pump and its components.
All pump/pump system installations shall be in compliance
with all applicable Federal, State, and Local codes and
ordinances.
Do not allow children to play with the pump.
This safety alert symbol is used in the manual
and on the pump to alert of potential risk for
serious injury or death.
This safety alert symbol identifies risk of
electric shock. It is accompanied with an
instruction intended to minimize potential risk
of electric shock.
This safety alert symbol identifies risk of fire.
It is accompanied with an instruction intended
to minimize potential risk of fire.
This safety alert symbol identifies risk of
serious injury or death. It is accompanied
with an instruction intended to minimize
potential risk of injury or death.
Warns of hazards which, if not avoided, will
result in serious injury or death.
Warns of hazards which, if not avoided, could
result in serious injury or death.
Warns of hazards which, if not avoided, could
result in minor or moderate injury.
Signals an important instruction related to the
pump. Failure to follow these instructions
could result in pump failure or property
damage.
RISK OF ELECTRIC SHOCK
RISK OF FIRE
RISK OF SERIOUS INJURY OR DEATH
1796000B Copyright © Liberty Pumps, Inc. 2023
All rights reserved. 3 | EN
Do not allow any person who is unqualified to have contact
with this pump system. Any person who is unaware of the
dangers of this pump system, or has not read this manual,
can easily be injured by the pump system.
Do not remove any tags or labels from the pump or its cord.
Do not use this product with flammable, explosive, or
corrosive fluids. Do not use in a flammable and/or explosive
atmosphere as serious injury or death could result.
This product contains chemicals known to the State of
California to cause cancer and birth defects or other
reproductive harm. www.p65warnings.ca.gov.
This pump has been evaluated for use with water only.
Do not dispose of materials such as paint thinner or other
chemicals down drains. Doing so could chemically attack and
damage pump system components and cause product
malfunction or failure.
Do not use pumps with fluid over 140°F (60°C). Operating the
pump in fluid above this temperature can overheat the pump,
resulting in pump failure.
Do not use pump system with mud, sand, cement,
hydrocarbons, grease, or chemicals. Pump and system
components can be damaged from these items causing
product malfunction or failure. Additionally, flooding can
occur if these items jam the impeller or piping.
Do not allow pump to freeze.
General Information
Before Installation, read the following instructions carefully. Each
Liberty Pumps product is individually factory tested to assure
proper performance. By closely following these instructions,
potential operating problems should be eliminated, providing
years of trouble-free service.
Pump Installation
A. Select a location that is level and below the condensate pan
drain. The unit may be mounted on a wall by using the
mounting tabs on the tank, which are 7-13/16” apart. A
condensate neutralizer may be required by some codes to
keep condensate pH in an acceptable range for discharge into
drains. See Liberty Pumps LCU-N-Series for Neutralizing and
LCU-PR-Series for Plenum Rated condensate pump options.
B. Connect the drain pan to one of the 4 inlets. Use vinyl tubing,
PVC, or any other suitable material. Be sure the tubing or pipe
extends into the inlet of the tank by at least 1". The discharge
connection to the check valve may be made with 3/8” vinyl
tubing secured by a hose clamp (not included).
Hand-tighten Only. Over-tightening may cause the pump
housing to crack. Once the discharge tubing has been
extended to the required height it should be slanted
downward, if possible, to assist in drainage.
Note: For best results, do not extend discharge tubing
vertically beyond 16' for the LCU-15/15S, 19’ for the LCU-20S
and 17' for the LCU220S.
C. The safety switch leads (all models except LCU-15) should be
connected to a Class 2 low voltage circuit (not to exceed
30 volts). Using this feature may prevent damage from
condensation overflowing if the discharge becomes blocked
or if the pump fails. The leads may be connected in series with
the low voltage thermostat circuit so as to shut down the
heating/air-conditioning system if the water level in the pump
tank rises beyond normal, or they may be connected to an
external alarm.
D. When all mounting and water connections are secure, connect
the unit to an electrical supply.
Disconnect electrical power at fuse or circuit breaker box
before making any connections.
The power cord must be connected to a constant source of
power (not a fan or other device that runs intermittently)
matching the voltage specified on the pump nameplate.
If connecting a pump with a stripped wire cord end, power
connections must be made within a junction box or
appropriate enclosure and must comply with the NEC and
any applicable codes. Wiring is as follows: GREEN is ground,
BLACK is line, and WHITE is neutral (115V) or line2 (230V).
E. To ensure proper installation, energize power and test the unit
by adding water to the tank until the pump activates. Be sure
the water discharges properly. Finally, check the connections
for leakage and proper discharge pipe routing.
Maintenance and Troubleshooting
Accidental contact with electrically live parts, items, fluid, or
water can cause serious injury or death.
Always disconnect the pump from power source before
attempting to service the pump. Fatal electrical shock could
occur.
Maintenance
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. Clean inlet and outlet
piping. Reassemble system and check for correct operation.
Pour enough water into the tank to activate the pump periodically
when not normally in use.
If unit is mounted in an unheated area that is exposed to
temperatures below freezing, the unit and lines must be drained
to prevent damage to the pump.
Pump models have sealed permanently lubricated bearings and
require no additional lubrication.
RISK OF ELECTRIC SHOCK
Produktspezifikationen
| Marke: | Liberty Pumps |
| Kategorie: | Wasserpumpe |
| Modell: | LCU-20S |
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