Viessmann VITOTRONIC 100 GC1B Operations Instructions download pdf (Page 133)

133

Components

Boiler coding card

To match the control unit function to the boiler (see page 60).

Function extension 0−10V, part no. 7174718

To default an additional set system temperature via a

0−10 V input for a range from 10 to 100ºC or 30 to 120ºC.

For signalling reduced mode.

fÖ Power supply

aVF 0−10 V input

aVG KM BUS

aBJ Zero volt contact

A Mains isolator (if required)

B DIP switch (see table)

DIP switch

Function

OFF

Set value default 10 to 100ºC

Set value default 30 to 120ºC

5862730GB

OFF

Electronics

24V

230V~

157 144 145

NSÖP 123123

1234

250mA

+

(slow)

1 2 ... 128 129 130 131 132 133 134 135 136 137 138 ... 167 168

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Viessmann VITOTRONIC 100 GC1B Operations Instructions Page 133