Viessmann Type B2HA Operations Instructions download pdf (Page 57)

Connecting the control unit to the LON system - only for weather-

compensated control units

The LON communication module

(accessories) must be plugged in.

Installation instructions

LON communication module

Note

The data transfer via LON can take sev-

eral minutes.

Single boiler system with Vitotronic

200-H and Vitocom 200 (example)

Set the LON subscriber numbers and

further functions via code 2 (see the fol-

lowing table).

Note

In the same LON system, the same sub-

scriber number must not be allocated

twice.

Only one Vitotronic may be program-

med as fault manager.

All coding addresses in the table are listed in the "General" group.

Boiler control unit Vitotronic 200-H Vitotronic 200-H Vitocom

LON LON LON

Subscriber no. 1,

Code "77:1".

Subscriber no. 10,

Code "77:10".

Subscriber no. 11,

Set code "77:11".

Subscriber

no. 99.

Control unit is fault

manager,

Code "79:1".

Control unit is not

fault manager,

Code "79:0".

Control unit is not

fault manager,

Code "79:0".

Device is fault

manager.

Control unit transmits

the time,

Code "7b:1".

Control unit receives

the time,

Set code "81:3".

Control unit receives

the time,

Set code "81:3".

Device re-

ceives the

time.

Control unit transmits

outside temperature,

Set code "97:2".

Control unit receives

outside tempera-

ture,

Set code "97:1".

Control unit receives

outside tempera-

ture,

Set code "97:1".

—

Commissioning, inspection, maintenance

Further details regarding the individual steps

(cont.)

5772 909 GB

Service

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Viessmann Type B2HA Operations Instructions Page 57

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