Defensor Mk4 Installation Seite 22

22
Connection of passive controllers
Passive controllers (potentiometric humidity sensors) supply a resistance value
(passive control signal) and should be connected according to the adjoining
diagram. Please observe the following connection data:
Connection voltage:
Resistance values:
Min. conductor cross-section:
When connecting a potentiometric humidity sensor the rotary switch "SW2"
must be set to position "4".
Connection of a humidity sensor
Connection of a humidity sensor (option "TR116S/TR200" or "TR116R/TR200")
is only possible with units of the "IT" type series and activated internal controller.
It should be connected according to the adjoining diagram.
+4.25 VDC
140 ...10 k
2
0.25 mm , twisted
-
+
+4.25VDC
B2
140Ω-10 kΩ
-
+
+4.25VDC
+
-
B3
Sensor
TR116
F2
L1
N