Changing The Gas Type At The Control Unit - Viessmann Vitodens 100-W Installation Instructions Manual

Matching the control unit to the boiler
Serial no.
(Type plate)
7441 736
7441 737
7441 739
7441 745
7441 748
7441 749
Serial no.
(Type plate)
7499 418
7499 419
7499 420
7499 421
7499 422
7499 423
7499 424
7499 425
7499 426
7499 427
7499 428
7499 429

Changing the gas type at the control unit

Note
The gas type must only be converted
when operating with LPG. In the deliv-
ered condition, the control unit is set to
operate with natural gas.
Parameter set
No.
Parameter set
No.
(cont.)
10. If a lead was previously connected
to "X 21" at the control unit (remote
control unit or outside temperature
sensor):
Reconnect this lead to "X 21".
Serial no.
(Type plate)
4 7499 430
5 7499 431
6 7499 432
2 7499 433
1 7499 434
3 7499 435
7499 436
7499 438
7499 440
7
7499 441
8
7499 442
14
7499 443
12
7499 444
13
7499 445
7
8
Serial no.
9 (Type plate)
10 7501 297
11 7501 298
12 7501 823
13 7501 824
Parameter set
No.
Parameter set
No.
14
13
7
8
14
12
13
15
16
7
8
14
12
13
1
2
2
2
5