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Carrying out an actuator test
The following actuators of the mixer modules can be switched separately depending on the module (rec-
ommended during commissioning):
Display
"Pump On"
"Open valve"
"Close valve"
Checking sensors
1200
1150
1100
1050
1000
950
900
850
-30
-20
-10
Temperature in °C
Fig. 33
2.25
1.75
1.25
0.75
0
A
Temperature in °C
Fig. 34
Data point shown: Resistance of 1078 kΩ at a temperature of 20 °C
A
1. Pull out corresponding plug.
2. Check the sensor resistance at the plug.
3. Compare the test result with the actual temperature. For details about calling up information, see chapter
"Diagnosis".
In case of severe deviation: Check for correct installation and replace the sensor if required.
(cont.)
0
10
20
30
40
100
200
Explanation
300
Maintenance
57
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