Liberty Pumps 404 Manuel D'installation page 5

Pump runs
periodically when
fixtures are not in
use.
Water or soap suds
come out of vent
pipe.
Pump operates
noisily.
PERFORMANCE CURVES AT 80° F WATER TEMP
40
30
405 @ 180°F
20
MODEL 404
10
0
0
Year Limited Warranty
and workmanship for a period of 2 years from the date of purchase. 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 2 years from the "CODE" (date of manufacture) number noted on the pump nameplate. The manufacturer's 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; if it has been disassembled, modified, abused or tampered with; if the electrical cord has been damaged or
improperly spliced; if the pump discharge has been reduced in size; if the pump has been used in hot water above the ratings listed
above: 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 or hydrocarbons; if a non-submersible motor has been subjected to excessive moisture; or if the label bearing the
serial and code 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 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 two 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.
•
Check valve was not installed, is
stuck open, or is leaking.
•
Faucets are dripping.
•
Vent pipe is too short or too small in
diameter.
•
Defective switch.
•
Rate of in-flow exceeds pump
output.
•
Foreign objects in impeller cavity.
•
Piping to house structure is too
rigid.
MODEL 404 AND 405
10 20
FLOW (GPM)
Liberty Pumps, Inc. warrants that pumps of its manufacture are free from all factory defects in material
•
Remove and examine for freedom of
operation and proper installation.
•
Repair faucets to eliminate dripping.
•
Be sure that an unrestricted vent at least
¼" in diameter is in use.
•
*Remove tank cover and check that float is
free to move. If build-up restricts float, clean
and reinstall. If defective, replace switch.
•
Use valve on the inlet to reduce rate of inflow.
•
*Disassemble the receiver and bottom base
of pump. Remove foreign material.
Reassemble.
•
Replace a portion of the discharge pipe with
rubber hose to absorb noise.
Figure 2
MODEL 405
30 40
- 5 -
1-
50 60