Installation
19
GA 12.137/2.02 - 05/2002
13
12
1
1
10
9
8
7
6
5
4
3
2
1
25
24
23
22
21
20
19
18
17
16
15
14
Reset
→
Cold head ON/OFF
→
Compressor ON/OFF
→
Ground
PE
→
Pressure Alarm
→
Phase/Fuse Error
→
Temp Alarm
→
Operation
→
Compressor Fail.
(Klixon Error)
0 V
+ 24 V
REMOTE
Fig. 12: Pin assignments on the Sub-D connectors
+ 24 V
status
signals
+ 24 V DC required
for remote operation
Pin +24 V is present
0 V is present
3
Reset
–
4
Cold head on
Cold head off
6
Compressor on
Compressor off
16 Pressure alarm
No pressure alarm
17 Phase/fuse error
No phase/fuse error
18 Temp. alarm
No temp. alarm
19 Compressor in
Compressor not in
operation
operation
20 Compressor failure No compressor failure
