Viessmann VITOTRONIC 100 GC1B Service Manual download pdf (Page 87)

Start-up

Steps (continued)

3. Integrate the control unit in the LON BUS system Single-boiler system only

The LON communication module

(accessory) must be inserted

(see page 111).

Set the LON participant number

Set the LON participant number via

coding address ”77” in coding 1

(factory setting: ”77: 1”).

See page 115 for coding 1.

Please note:

The same number must not be

assigned twice within a LON BUS

system.

Update the LON participant list

This is only possible when all participants are connected and the control unit is

coded as the error manager (coding ”79: 1”).

1. Press w and

simultaneously for

approx. 2 seconds.

2. Press D.

The participant check is initiated

(see also page 88).

The participant list is updated after

approx. 2 minutes.

The participant check is terminated.

Example of single-boiler system with Vitotronic 050 heating circuit controls and Vitocom connected downstream

Participant No. 1

Coding ”77: 1”

Participant No. 10

Coding ”77: 10”

Participant No. 11

Set coding ”77: 11”

Participant No. 100

Control unit is error

manager

Coding ”79: 1”

Control unit is not error

manager

Coding ”79: 0”

Control unit is not error

manager

Coding ”79: 0”

Unit is error manager

––– Transmit time via LON

Set coding ”7b: 1”

Time is received via LON

Set coding ”81: 3”

Time is received via LON

––– Transmit outdoor

temperature via LON

Set coding ”97: 2”

Outdoor temperature is

received via LON

Set coding ”97: 1”

–––

5351 338 v1.6

1 2 3 4 5 6 7

Vitotronic 100 Vitotronic 050 Vitotronic 050

Vitocom

LON LON LON

1 2 ... 82 83 84 85 86 87 88 89 90 91 92 ... 131 132

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Viessmann VITOTRONIC 100 GC1B Service Manual Page 87

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