Viessmann VITOTRONIC 300-K Instructions d'exploitation télécharger pdf (Page 198)

198

Analogue input 0 – 10 V

The 0 – 10 V hook-up provides an addi-

tional set flow temperature:

0 – 1 V is seen as "no set flow temper-

ature".

Note

Ensure DC separation between the LV

output and the earth conductor of the on-

site power supply.

Coding address "1E" in the "General"

group:

■

"1E:0" ≙ temperature demand adjust-

able in the range from 0 to 100 °C

1 V

≙ 10 °C set value change

10 V

≙ 100 °C set value change

■

"1E:1" ≙ temperature demand adjust-

able in the range from 30 to 120 °C

1 V

≙ 30 °C set value change

10 V

≙ 120 °C set value change

Output

aBJ

Connection of a central fault messaging

facility or signalling reduced mode

(reduction of the heating circuit pump

speed).

Select the function of output

aBJ

at cod-

ing address "5C" in the "General"

group.

Components, Vitotronic 100, type GC1B and Vitotronic 300-K

EA1 extension

(cont.)

5815 091 GB

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Viessmann VITOTRONIC 300-K Instructions d'exploitation Page 198