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DEVIreg™ 850 IV
C:
PSU and feeder cable
Note: max. 3 m length of the cable between the PSU and the 850 controller.
PSU. If power supply unit (PSU) is 24W/1A follow the rules below (PSU should be ap-
proved to connect in parallel).
Ground system
Number
of sensors:
Cable type
1 mm²
1.5 mm²
2.5 mm²
4 mm²
*if 2 sensors are used in a dual zone system (ie. 1 sensor in each zone) — 2 PSUs are required
Roof System
Number
of sensors:
Cable type
1 mm²
1.5 mm²
2.5 mm²
4 mm²
+
PSU
24 V DC
220–240 VAC
50–60 Hz
Installation instruction
1 pcs. PSU 24 VDC
24 W
1 or 2 *
Max. length (m)
300
450
750
1200
1 pcs. PSU 24 VDC
24 W
1
Max length (m)
400
600
1000
1600
**Fig� H — connection of 2 pcs. PSU in parallel
–
+
–
PSU
24 V DC
220–240 VAC
50–60 Hz
3
Max. length (m)
150
225
360
600
2
Max length (m)
100
150
250
400
–
+
-
+
13 14 15 16 17 18 19 20 21 22 23 24
DEVIreg 850 IV
1 2 3 4 5 6 7 8 9 10 11 12
2 pcs. PSU 24 VDC,
24 + 24 W in parallel**
Max length (m)
2 pcs. PSU 24 VDC,
24 + 24 W in parallel**
3
Max length (m)
130
200
330
525
4
80
120
200
310
4
Max length (m)
75
110
190
300
35
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