User Manual

8.1 The circulator is noisy
a) Air in circulator
- Bleed the circulator, loosen the rear
plug; continue until there are no more air
bubbles, then screw the plug back in.
b) The suction pressure is too low
- Raisethepressureinthecircuit.
c) Considerableowingwaternoise
- Consider a slower speed.
d) Foreign bodies in impeller
- Removethemotorandcleanthe
impeller.
8.2 The circulator fails to start
a) Shaft stalled by fouling after a
prolonged shutdown
- Free the shaft; remove the rear plug.
Useaatbladedscrewdrivertoturnthe
motorshaft.Thenreinserttherearplug
(seeFIG.7).
b) No power supply to circulator
- Check that the motor is connected.
- Check the fuses of the installation.
c) Capacitor defective
- Replaceit;thecharacteristicsare
indicated on the rear data plate ( FV).
For changing the capacitor lift-up the
xingclipofthecapacitorswires(see
FIG.5-rep.A).Forremovingthewires,
insert the new capacitor wires then
press the clip for locking.
d) Foreign bodies in impeller
- Removethemotorandcleanthe
impeller.
~ 4 ~ ~ 5 ~