C: Psu And Feeder Cable - Danfoss ECtemp 850 IV Installation Instruction

Installation instruction
C: PSU and feeder cable
Note: max. 3 m length of the cable between the PSU and the 850 controller.
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
+
12
PSU
24 V DC
4
220–240 VAC
50–60 Hz
36 | © Danfoss | 2019.07
ECtemp 850 IV
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) Max length (m) Max length (m) Max length (m)
400
600
1000
1600
**Fig . H — connection of 2 pcs. PSU in parallel
– + –
13 12 13
PSU
24 V DC
5 4 5
220–240 VAC
50–60 Hz
2 pcs. PSU 24 VDC,
24 + 24 W in parallel**
3
Max. length (m)
150
225
360
600
2
100
150
250
400
– + - +
13 14 15 16 17 18 19 20 21 22 23 24
ECtemp 850 IV
1 2 3 4 5 6 7 8 9 10 11 12
4
Max length (m)
80
120
200
310
2 pcs. PSU 24 VDC,
24 + 24 W in parallel**
3
130
200
330
525
08097083 / VIMHE202
4
75
110
190
300