Danfoss ECL Comfort P30, User Manual

Page: 20 / 56

The grey
side of the
ECL Card
Basic set-up
Controlled units
Flow
temp.
5
1 1
ON
0 3 6
B
Return temp.
Push and hold the shift button to see:
- the calculated flow temperature
- the desired return temperature limitations.
The activity of the motorized control valve is shown as arrows
below the valve symbol. When the circulation pump 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.
Relationship between temperature and ohmic value
-50
800
900
1000
1100
1200
1300
1400
1500
1600
-25 0 25 50 75 100 125 150
°C
Ω
Ω
805
845
883
922
961
1000
1039
1078
1117
1155
1194
1232
1271
1309
1347
1385
1423
1462
1501
1539
1578
°C
-50
-40
-30
-20
-10
0
10
20
30
40
50
60
70
80
90
100
110
120
130
140
150
Monitoring temperatures
and system units - line B
18