Liberty Pumps LCU-MS Series User Manual

WIRING
KEY
1 Pump Unit NC L
2 Indoor A/C Unit
COM
3 Interconnecting Cable
1
4 Outdoor A/C Unit
(L) Live (hot): Brown
(N) Neutral (common): Blue
(NC) Normally Closed: Black
L
(COM) Common: White
N
TEST OPERATION
 After installation, test pump operation by slowly pouring water into the air conditioner
drain pan. Repeat until the pump runs 2–3 times.
 Check for any water leaks, kinked or pinched lines, or siphoning action.
 Clicking noises heard at initial start-up are normal and are usually only heard for the first
few operations.
 Allow a one minute rest after each cycle to prevent triggering the thermal protector.
TROUBLESHOOTING
Unit does not run.
 Check the power supply.
 Check the air conditioner to see if condensation is
actually being produced.
 Check hoses are not clogged or kinked.
 Check metal filter is not clogged.
 Check if pump has contact with any hard surfaces. If
Unit makes loud noises even
it does, anti-vibration materials should be positioned
after the first dry-running
between the pump and all hard surface.
phase.
 Check hoses are not clogged or kinked.
 Check there is no siphoning action.
 Check outlet hose is not blocked.
Unit runs but does not  Check the highest point of the discharge hose does
pump liquid out properly. not exceed the maximum delivery head of the pump.
 Check hoses are not clogged or kinked.
 Check the flow rate of the pump is sufficient for the
condensation volume of air conditioner.
– –
5
MAINTENANCE
Ensure power to the pump is disconnected before performing any service or maintenance.
1) Clean the reservoir every six months, preferably at the beginning and end of the air
3
conditioning season.
2 4
N L N
a) Open the reservoir cover using the opening latch.
b) Clean the reservoir, float and metal filter using a
water solution containing 5% bleach.
c) Replace the float in the initial position (magnet facing UP).
d) Reinstall the reservoir cover.
L
2) Perform a TEST OPERATION.
N
LIMITED WARRANTY
Liberty Pumps Wholesale Products Limited Warranty
Liberty Pumps, Inc. warrants that Liberty Pumps wholesale products are free from all factory
defects in material and workmanship for a period of three (3) years from the date of purchase
(excluding* batteries and "Commercial Series" models). The date of purchase shall be
determined by a dated sales receipt noting the model and serial number of the pump. The
dated sales receipt must accompany the returned pump if the date of return is more than
three years from the date of manufacture noted on the pump nameplate.
The manufacturer's sole obligation under this Warranty shall be limited to the repair or
replacement of any parts found by the manufacturer to be defective, provided the part or
assembly is returned freight prepaid to the manufacturer or its authorized service center, and
provided that none of the following warranty-voiding characteristics are evident:
The manufacturer shall not be liable under this Warranty if the product has not been properly
installed, operated, or maintained per manufacturer instructions; 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 hydrocarbons; if a non-submersible motor has been subjected to moisture; or if the
label bearing the model and serial number has been removed.
Liberty Pumps, Inc. shall not be liable for any loss, damage, or expenses resulting from
installation or use of its products, or for indirect, incidental, and consequential damages,
including costs of removal, reinstallation or transportation.
There is no other express warranty. All implied warranties, including those of
merchantability and fitness for a particular purpose, are limited to three years from the date
of purchase. This Warranty contains the exclusive remedy of the purchaser, and, where
permitted, liability for consequential or incidental damages under any and all warranties are
excluded.
*Liberty Pumps, Inc. warrants StormCell® batteries for 1 year from date of purchase, and
warrants that pumps of its Commercial Series are free from all factory defects in material and
workmanship for a period of 18 months from the date of installation or 24 months from the
date of manufacture, whichever occurs first, and provided that such products are used in
compliance with their intended applications as set forth in the technical specifications and
manuals.
7000 Apple Tree Avenue Bergen, NY 14416
Phone 800-543-2550 Fax 585-494-1839
www.LibertyPumps.com
metal filter
USER GUIDE
LCU-MS Series
Mini-Split Condensate Pump
For Air Conditioners up to 7 kW
CEILING
DRAIN PAN
LCU-MS LCU-MS2
(LCU-MS + DUCTS)
Read this user guide carefully before attempting to install, operate, or
service the LCU-MS Series pump. Know the pump application, limitations,
and potential hazards. Protect yourself and others by observing all safety
information. Failure to comply with these instructions could result in
personal injury and/or property damage. Retain this user guide for future
reference. Installation, connections, and service shall be done by qualified
personnel only.
PRODUCT INFORMATION
 Keep this manual handy for future reference
 Retain dated sales receipt for warranty
Pump Model #: _____________________________________________
Pump Serial #: ______________________________________________
Install Date: _________________________________________________
7000 Apple Tree Avenue
Bergen, NY 14416
Phone 800-543-2550
Fax 585-494-1839
www.LibertyPumps.com
4007096
CONFORMS TO ANSI/UL STD. 778
CERTIFIED TO CAN/CSA STD. C22.2 NO.108
MADE IN KOREA
2035000B