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Verfügbare Sprachen
SLA2
3. Tips for fault diagnostics
°C
-10
-5
0
Ω
961 980 1000 1019 1039 1058 1078 1097 1117
°C
35
40
45
Ω 1136 1155 1175 1194 1213 1232 1252 1271 1290
°C
80
85
90
Ω 1309 1328 1347 1366 1385 1404 1423 1442
Resistance values of the Pt1000-sensors
4. Application examples
Standard solar system with 1 store
A
ON
1
2
3
4
OFF
B
Use ground clamp collective terminal
ON
strip!
1
2
3
4
OFF
If the current temperature difference ∆T between collector
sensor S1 and store sensor S2 exceeds the temperature
ON
difference adjusted at the controller, the solar pump is
switched-on. Heat is transported from the collector to the
1
2
3
4
OFF
store; in the course of this the temperature difference is
reduced. If the adjusted temperature difference is underrun
by a difference of 1,6 K (hysteresis, cannot be changed), the
pump is switched-off again.
bracket for spare fuse
(interior part of cover)
5
10
15
20
25
50
55
60
65
70
95
100 105 110 115
C
RO
If the controller does not work perfectly, please check the
following items:
If the controller does not switch on when there is a power
supply available please check the fuses. The controller is
protected by a fine fuse T4A, which can be replaced after
having removed the housing and the cover. A spare fuse is
enclosed on the backside of the cover.
Please check the sensors. Sensors which are not connected,
must have following resistance values depending on the given
temperature.
30
75
S1
S1 = collector sensor
S2 = store sensor
RO = solar pump
1
2
3
4
7
8
9 10 11
S1
S2
RO RC N N L
S2
7
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