Schmalenberger GmbH + Co. KG
D-72072 Tübingen / Germany
Control box Control NT
Version: 27248 - C
4
Subject to technical changes
•
The housing cover may only be opened by the manufacturer. (guarantee seal)
•
In the event of a malfunction we recommend contacting the manufacturer.
Caution:
•
Failure to observe the safety instructions, for example touching live parts while the de-
vice is open or handling the device in an improper manner is hazardous with potentially
fatal consequences.
•
If the guarantee seal is destroyed, the guarantee and manufacturer's warranty shall be
rendered null and void.
•
If the values listed in the technical data are exceeded there s danger of the device over-
heating, which can destroy the power supply and adversely affect electrical safety.
2
Functional Description
The control box can be used to switch a 1-phase or 3-phase pump on and off.
2.1
Functional Variants
The following functions can be selected when the device is ordered:
The functions are available individually or they can be combined. For enabled functions
please refer to the nameplate. For details see section 6.
2.2
Operating Display
Two LEDs on the front of the control box indicate the current device status. The green ope-
rating LED flashes four times per second immediately after the device starts. The applica-
tion starts after five seconds and the green LED flashes once per second. When this
happens the control box is ready for operation.
The green LED is lit continuously when the pump is active. A red flashing service LED in-
dicates a malfunction..
•
Sensor button / Piezo button and latching N/O contact
Basic function
•
Pneumatic button (pressure wave mode)
additional option
•
Runtime Limiting, Time lag relais
additional option
Green
POWER
Mains power ON: LED flashes 4x per second
After 5 seconds the LED flashes 1x per second -> control box
is ready for operation
Continuously lit: control box running
Red
SERVICE
Flashing for malfunction
