38
Back with
-30
30
to
0
-10
-20
10
20
10
tc
70
50
30
2
1
ä
B
A
Fig. 17
Note
The compressor application limits are shown by way of
an example. The actual application limits differ from
this diagram.
A
Compressor application limits
B
Stop points of the compressor (1 to N)
t0 Evaporation temperature
tc Condensing temperature
Message history
Message history of the refrigerant circuit controller
(status and fault information):
■
Messages cannot be acknowledged in the message
history.
■
Messages are listed in chronological order. The most
recent message is listed first.
■
Up to 30 entries are stored.
1. Service menu:
Press
OK
+
å
simultaneously and hold for
approx. 4 s.
2. "Diagnosis"
3. "Refrigerant circuit"
4. "Message history"
Message overview
Message history
Back with
1
2
3
0 09.09.2009 17:16:00
09.09.2009 17:16:01
09.09.2009 17:16:02
11
09.09.2009 17:16:03
10
06 Fault
0A
03 Note
7
3
Fault
Fault
1
A
B
C
D
E
Fig. 18
A
Message number
B
Date and time of the last occurrence
C
2-digit message code
D
Type of message:
"Note"
or
"Fault"
E
Frequency of occurrence
Refrigerant circuit controller messages can trigger a
message at the heat pump control unit: See "Message
overview" on page 21.
Diagnosis
Refrigerant circuit
(cont.)
5800 917 GB
Diagnosis
