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Installation and electrical connections
8.4 Connecting the sensors
Connect cables with a cross-section of min. 2x 0.5 mm
8.4.1 Pt 1000 sensor values
°C
–35
Ohm
862.5
882.2
°C
15
Ohm
1058.5
1077.9
°C
65
Ohm
1251.6
1270.7
°C
115
Ohm
1441.7
1460.6
8.5 Connecting the actuator
Connect the cable (suitable for damp locations) with a cross-section of min. 1.5 mm
terminals of the controller output.
Following this, we recommend that you check the operating direction and the correct connec-
tion (polarity) of the actuator.
For this purpose, after you have connected the power supply, increase the reference value
for room temperature considerably for a short period. This should lead the controller to open
the heating valve with its OPEN control signal (+). When the reference value is reduced, the
heating valve should close with the CLOSE control signal (-).
8.6 Connecting the pump
Connect the cable with a cross-section of min. 1.5 mm
34
EB 5432-1 EN
–30
–25
–20
901.9
921.6
20
25
30
1097.3
1116.7
70
75
80
1289.8
1308.9
120
125
130
1479.4
1498.2
2
to the terminals of the controller.
–15
–10
–5
941.2
960.9
980.4
35
40
45
1136.1
1155.4
1174.7
85
90
95
1328.0
1347.0
1366.0
135
140
145
1517.0
1535.8
1554.5
2
to the terminals of the controller.
0
5
10
1000.0
1019.5
1039.0
50
55
60
1194.0
1213.2
1232.4
100
105
110
1385.0
1403.9
1422.9
150
1573.1
2
to the
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