Zehnder Pumpen ZP SPEEDCONTROL COMFORT, Руководство по эксплуатации

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en38
Display indication Description Reaction of the system Solution
The pressure
of the system
does not
reach the
target value
The pump will be
stopped and protected
against dry-running.
• No water on the suction side
of the pump: check the filling
level or pressure of the water,
• Pump not fully filled, fill the
pump.
• The piping on the pressure
side of the pump is broken.
The water flow is too high.
• The pump (impeller, diffusor)
is damaged. Contact the
technical customer service.
• The motor is damaged and
must be replaced
The pressure
sensor is
defective.
Operation of the system
will be interrupted.
• Inform the technical
customer service.
The alarm
indicates
overheating of
the controller’s
electronics. If the permissible
temperature is
exceeded, the
system will put the ZP
SPEEDCONTROL
COMFORT and,
consequently also the
pump, out of operation. • It must have been made
sure that the permissible
temperatures:
Water max. 40°C
Ambient air max. 50°C
are not exceeded.
Inform the technical
customer service.
The alarm
indicates a
motor short-
circuit on the
power supply
side. Pump operation is
stopped for 10 seconds,
then the pump is
restarted. 4 start
attempts will be carried
out. If the problem is not
solved, it comes to a
final standstill. • The pump must be checked.
If the problem persists,
inform the manufacturer.
The appliance
is equipped
with an
electronic
protection
system
against
overvoltage.
In the event of an
occurring overvoltage,
the system will be
stopped for some
seconds. The operation
will be restored.
• Problems with the power line:
contact the energy supply
company.
• For systems with more than
one pump, the electrical
pump with converter acts as
power generator if the check
valve of the hydraulic system
is defective. The water flows
through the check valve in
the opposite direction.
• The DC bus electric circuit of
the converter is defective.
ZP SPEEDCONTROL COMFORT en English