Bitzer KT-230-2

KT-230-2 27
9.3 External reset
In the event of serious malfunctions or after too many
automatic resetting operations, the module locks. In
this case, the system must be checked before unlock-
ing:
• Determine the cause in the safety chain. To do this,
evaluate alarm messages from the BEST
SOFTWARE.
• Eliminate the cause(s) of the fault.
• Reset externally.
The compressor starts when there is a capacity de-
mand.
The module can be unlocked in various ways. All sys-
tem-related alarms with the exception of the motor tem-
perature monitoring can be unlocked via Modbus com-
mand or with the BEST SOFTWARE.
• With a Modbus command (Control Word).
• With the BEST SOFTWARE in the menu ALARMS un-
der RESET.
• Disconnect the voltage supply (L/N) for at least 5s
by actuating switch S2 (reset).
If the motor temperature is too high, the module locks
itself. To unlock the device, the voltage supply (L/N)
must be interrupted for at least 5seconds.
9.4 Alarm list
The list of all possible alarms, the causes of malfunc-
tions and the type of release can be found in the
BEST SOFTWARE and in the Reference Guide
chapter Alarm list.
10 Monitoring the operating parameters using the
BEST SOFTWARE
The BEST SOFTWARE provides comprehensive ac-
cess to all operating data and parameters and can be
downloaded free of charge from the BITZER website
(www.bitzer.de).
10.1 Establishing communication via the BEST
SOFTWARE
• PC/mobile device
– with the Windows 7 or newer operating system
– with Bluetooth interface or USB connection
– with installed BEST SOFTWARE
• For communication via the USB port:
– Connect the BEST interface converter to the com-
pressor module (CN14) and to the PC or mobile
device.
Setting up communication
• Switch on PC/mobile device and start the BEST
SOFTWARE (1).
• Click on the NEW button (2).
• Select IQ MODULE CM-RC-01 (3).
Fig.12: Connecting CM-RC-01 to BEST SOFTWARE
• Click on the CONNECT button (4).
The following appears for selection: BEST CONVERTER
or BLUETOOTH.
• SelectionBEST CONVERTER:
Click on the CONNECT button.
The compressor module is now connected to the PC
or mobile device.