Liberty Pumps XFL150 handleiding
Handleiding
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10 | EN Copyright © Liberty Pumps, Inc. 2021
All rights reserved. 3472000D
Pump does not start
and overload heaters
trip.
Unintentional ground.
Turn off power and check motor leads for possible
ground.
3-phase motor winding failure.
Check resistance of motor windings. All three phases
should have the same reading.
Obstructed impeller or volute. Remove obstruction.
Pump operates with
control panel selector
switch in Hand position
but does not operate in
Auto position.
Control circuits malfunctioning.
Check float switch, level control or alternator relay for
issues. Replace as necessary.
Check control panel.
Pump runs but does not
turn off.
Pump is airlocked.
Turn pump off and let set for several minutes, then
restart.
Control panel selector switch in Hand position. Set selector switch to the Auto position.
Float switch unable to move to the pump OFF
position due to interference with the side of
basin or other obstacle.
Position the pump or float switch so that switch has
adequate clearance for free movement.
Control panel failure. Check control panel.
Defective float switch. Replace float switch.
Motor stops and then
restarts after short
period but overload
heaters in starter do not
trip.
Pump operating on a short cycle due to basin
being too small.
A larger basin may be required. Consult Liberty Pumps.
Pump cycles too
frequently.
Improper float switch setting. Adjust float switch setting.
Check valve not installed, stuck open, or leaking.
Install check valve(s); remove check valve and examine
for freedom of operation and proper installation.
Pump does not deliver
proper capacity.
Discharge valve(s) partially closed or clogged.
Check the discharge line for foreign material, including
ice if the discharge line passes through or into cold areas.
Check valve partially clogged.
Raise liquid level up and down to clear; remove check
valve to remove obstruction.
Incorrect motor rotation.
1-Phase: Verify capacitor wiring in Figure 1, else consult
factory.
3-Phase: Correct 3-phase pump rotation direction. Refer
to section 3-Phase Pump Rotation Verification.
Total head is beyond pump's capability.
Route discharge piping to a lower level. If not possible, a
larger pump may be required. Consult Liberty Pumps.
Low liquid level. Check liquid level.
Obstruction in pump or piping. Remove obstruction.
Pump runs periodically
when fixtures are not in
use.
Check valve not installed, stuck open, or leaking.
Install check valve(s); remove check valve and examine
for freedom of operation and proper installation.
Fixtures are leaking. Repair fixtures as required to eliminate leakage.
Seal fail light is
illuminated.
Lower seal has been compromised. Replace lower seal.
Control panel relay sensitivity is incorrect. Adjust sensitivity dial.
Table 3. Troubleshooting Matrix (continued)
Problem Possible Cause Corrective Action
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Productinformatie
| Merk | Liberty Pumps |
| Model | XFL150 |
| Categorie | Niet gecategoriseerd |
| Taal | Nederlands |
| Grootte | 2016 MB |
