EngliSH | 29
•
Red „Pump 1 Error“ LED
Blinking signal
Flashes for information two months before the recom-
mended annual maintenance date is reached. The signal
is acknowledged by the customer service department
during maintenance.
•
Disabling „Maintenance flash“:
Move the power switch for Pump 1 to the „Off“ position
and then press the „Reset“ button. After releasing the
„Reset“ button, the „Alarm“ LED will light up for approx-
imately 1 second. Within this time, move the operating
switch for Pump 1 to the „Auto“ position. The „Pump 1
Error“ LED blinking will turn off.
•
Re-activating „Maintenance blinking“ (can only be
carried out by the customer service department!):
Reset the maintenance counter in the ServCom diagnos-
tic equipment‘s menu. Then, move the power switch to
the „Off“ position and press the „Reset“ button.
Note to the customer service department;
Deactivating „maintenance blinking“ is possible from ver-
sion 1.0d of the control unit (see display in the ServCom
diagnostic equipment‘s menu)..
„Maintenance blinking“ is deactivated if a „!“ appears in
the ServCom behind the version number;
„Maintenance blinking“ is activated if the „!“ is missing
behind the version number.
•
Red „Pump 2 Error“ LED
Blinking signal
If the alarm LED is blinking, the control system has detect-
ed multiple abnormally long pump cycles. Please notify
your customer service department!.
•
Red „Alarm“ display
Continuous signal
Lights up when the liquid level in the tank rises above the
alarm level. At the same time, the audible alarm will sound
if turned on. Any connected external alarm notification is
activated likewise. The alarm will be switched off auto-
matically when the pumps have pumped the liquid level in
the tank under the alarm level.
If both green operating LEDs are illuminated simultane-
ously with the red alarm without an error message, the
pumps are temporarily failing to pump out a particularly
strong inflow quantity in a timely manner. In this case,
wait until the inflow quantity slows. The alarms will then
switch off automatically. If this does not occur, there is a
malfunction in the system.
In this case, please call our customer service department.
If the red alarm display lights up without an error message
being present, and if no or only one of the green operating
LEDs is illuminated, please call our customer service de-
partment. A HOMA ServCom controller for programming
and obtaining operating data is available as an accessory.
5.6. Rotational direction
No check is required for single phase motors, since these
always run in the correct direction.
The direction of rotation must be checked in three phase
motors before commissioning. When using a HOMA
switchgear with LED for direction of rotation, this flashes
in the event of wrong direction of rotation. The check can
be carried out by observation of the start-jerk. For this,
place the pump vertically onto the floor, slightly onto the
edge and switch on for a short time. When seen from
above, the pump rebounds slightly anticlockwise in cor-
rect direction of rotation.
The direction of rotation is correct if the pump moves an-
ticlockwise, since the motor starts clockwise when seen
from above. The check of the correct direction of rota-
tion in pumps that are already installed can be carried out
by comparison of the pumping height and the pumping
quantity with different directions of rotation. The direction
of rotation with the higher pumping height and pumping
quantity is the correct direction of rotation.
In the event of wrong direction of rotation two phases
of the power supply must be interchanged. As standard,
the pumps are delivered with CEE power plugs. The in-
terchange of phases is carried out by 180° rotation of the
round holding plate on the poles of the plug with a screw
driver.
The indicated conveying data and performance data
can only be achieved if a clockwise rotation field is
present. The machinery is not designed for operation
in an anticlockwise rotation field.
5.7. Motor protection
The minimal requirement is thermal relay / circuit break-
er with temperature compensation, differential trigger
and anti-pumping device in accordance with VDE 0660/
respective local regulations. If the machinery is connect-
ed to electric circuits in which frequent interferences oc-
cur, we recommend additional installation of safeguarding
equipment (e.g. overvoltage relay, undervoltage relay or
phase failure relay, lightning protection, etc.). The local
and legal regulations must be complied with when con-
necting the machinery.
Single phase motor
The pumps labeled ... W ... are equipped with 230 V/1Ph
motors. Their standard equipment includes a switchgear
with a motor protection switch and an operating conden-
sor. When using other switchgears the rated current of
the motor must be considered when laying out the circuit
breaker.
3 phase motors
Pumps with three phase motors are provided with a
switchgear with circuit breaker as standard. When using
other switchgears the current of the motor must be con-
sidered when laying out the circuit break (see nameplate).
Summary of Contents for C250WA
Page 33: ...English 33 Notizen Notes ...
Page 65: ...Nedlerlands 65 Notizen Notes ...
Page 70: ...70 Notizen Notes ...
Page 71: ...71 Notizen Notes ...
