Steps
(continued)
I
nitial start-up
1.
Fig. 6
8. Convert to high altitude
In the factory default setting, the boiler is equipped to operate in altitudes of up
to 5,000 ft. / 1,500 m. For operation in higher altitudes, the existing coding card
2.
must be replaced with a high altitude coding card. See table below or the
Viessmann Price List for order information.
Boiler Model
Coding
card
WB2B 80
number
WB2B 105
*1
Factory installed.
Initial Start-up and Service
1. Pull out the existing coding card,
cut and remove it from the cable
tie. Insert the high altitude coding
card into the boiler control board.
2. Install cover.
0-5,000 ft. /
5,000-10,000 ft. /
0-1,500 m
1,500 - 3,000 m
*1
7832 269
7425 958
*1
7832 270
7425 959
17