
5
Pump runs but delivers only
small amount of water.
1. Pump may be air locked. Start
and stop several times by
plugging and unplugging cord.
Check vent hole in pump case
for plugging.
2. Pump head may be too high.
Pump cannot deliver water
over 25' vertical lift.
Horizontal distance does not
affect pumping, except loss
due to friction through
discharge pipe.
3. Inlet in pump base may be
clogged. Remove pump and
clean out openings.
4. Impeller or volute openings
may be plugged or partially
plugged. Remove pump and
clean out.
5. Pump impeller may be
partially clogged causing
motor to run slow, resulting in
motor overload. Clear
impeller.
Fuse blows or circuit breaker
trips when pump starts.
1. Inlet in pump base may be
clogged. Remove pump and
clean out openings.
2. Impeller or volute openings
may be plugged or partially
plugged. Remove pump and
clean out.
3. Pump impeller may be partially
clogged causing motor to run
slow, resulting in motor over-
load. Clear impeller.
4. Fuse size or circuit breaker
is too small.
5. Defective motor stator; return
to authorized Hydromatic
service center for verification.
Motor runs for short time then
stops. Then after short period
starts again.
Indicates tripping overload
caused by symptom shown.
1. Inlet in pump base may be
clogged. Remove pump and
clean out openings.
2. Impeller or volute openings
may be plugged or partially
plugged. Remove pump and
clean out.
3. Pump impeller may be
partially clogged causing
motor to run slow, resulting
in motor overload.
Clear impeller.
4. Defective motor stator; return
to authorized Hydromatic
service center.
W-A1
V-A1
D-A1
Содержание W-A1
Страница 6: ...6 W A1 D A1 V A1 Typical Installation ...