Monitoring Temperatures And System Units - Line B - Danfoss ECL Comfort User Manual

18
Monitoring temperatures
and system units - line B
B
Alarm
Compensation temp. (S1)
The activity of the motorized control valve is shown as arrows
below the valve symbol. When the circulation pump / fan is
operating, it is indicated as ON below the pump symbol.
If a sensor is not mounted or is disconnected, the display will
indicate it as "- -".
If the sensor is short-circuited, the display will indicate
it as "- - -".
If you are in doubt, remove the controller and check the
ohmic value between the relevant terminals.
Alarm indications:
0: No alarm
1: Sensor S1 - fire
2: Not used
3: Sensor S3 - failure
4: Sensor S4 - frost
5: Not used
6: Sensor S6 - frost
Alarm priority: 3 - 1 - 6 - 4
Relationship between temperature and ohmic value
Ω
°C
805
-50
-40 845
-30 883
922
-20
961
-10
0 1000
10 1039
1078
20
1117
30
40 1155
50 1194
1232
60
70 1271
80 1309
1347
90
1385
100
110 1423
120 1462
1501
130
1539
140
150 1578
The grey
side of the
ECL Card
Controlled units
1 1 2
2
ON ON
0
8
Ω
1600
1500
1400
1300
1200
1100
1000
900
800
-50 -25
3
ON
3
Frost temp. (S6)
0 25 50 75
°C
100 125 150