Danfoss ECtemp 850 IV Installation Instruction page 13

Installation instruction
DC output
+ –
12 13
PSU 24 VDC
4
230 VAC
50–60 Hz
The ECtemp 850 has an integral alarm function that monitors the attached sensors
and the in-built microprocessor.
An external alarm may also be connected to the system.
08097083 / VIMHE202
ECtemp 850 IV
Fig . A — Connection of ECtemp 850 IV
DC supply
–
13 14 15 16 17 18 19 20 21 22 23 24
5 1 2 3 4 5 6 7 8 9 10 11 12
ALARM
2 A 250 V~
DEVIbus sensors
TM
White
White
Red
Black
White
White
Red
Black
+ – +
System A
15 A 250 V~
ECtemp 850 IV
System B
15 A 250 V~
© Danfoss | 2019.07 | 13