KT-230-1
14
Warning
The warning threshold is exceeded when the applica-
tion limit is almost reached. The yellow LED lights up.
This is a software message, not a safety reference. The
warning refers exclusively to the critical operating con-
dition of the compressor.
Critical alarm
The cut-out value is exceeded. The yellow LED lights
up. If the corresponding measured value does not drop
again within 30 seconds, the compressor will be
switched off. This cut-out is classified as fault in the
alarm list.
Fault
The cut-out value has been exceeded too much or for
too long. The compressor is switched off. The red LED
lights up.
Monitored function
Time delay after
compressor start
Warning
Critical alarm
Fault
Discharge gas temperature
---
> 135°C
---
> 150°C
locks out after
20 s
Oil supply
90 s
5 s
---
locks out after
90 s
Cycling rate of the com-
pressor
---
> 8 compressor
cut-outs within one
hour
---
---
Application limits, option
(Condensing temperature,
evaporation temperature)
120 s
< 2 K within the
application limits
> 2 K outside the
application limits
locks out after
30 s
> 4 K outside the
application limits
locks out immedi-
ately
Low pressure, option
---
---
---
< 0.2 bar / < relat-
ive pressure
entered in BEST
Software: locks
out immediately
High pressure, option
---
---
---
> 32 bar / > relat-
ive pressure
entered in BEST
Software:
locks out immedi-
ately
Reset
Disconnect the voltage supply (L/N) for at least 5
seconds, via Modbus command or reset alarms with
the BEST Software by pressing the R
ESET
button in the
A
LARMS
menu.
8
Monitor the operating parameters using the BEST
Software
The BEST Software displays all active alarms and the
following operating parameters:
• Capacity control level
• Condensing temperature
• Evaporation temperature
• Low pressure
• High pressure
• Discharge gas temperature
8.1
Communication via the BEST Software
Requirements:
• Mobile device
– equipped with the operating system Windows XP
or newer
