Viessmann Type WB2B Installation Instructions Manual page 6

Preparing for installation
M With connection sets (acces-
sories)
N Recommended dimension (single
boiler system)
Note
This boiler (protection IP X4 D) is
approved for installation in wet rooms
inside protection area 1 according to
DIN VDE 0100 [Germany], if hosed
water can be prevented.
Observe the requirements of
DIN VDE 0100 [or local regulations].
1. Prepare the water connections.
Flush the heating system thor-
oughly.
6
(cont.)
O Recommended dimension (multi-
boiler system)
P Condensate drain
2. Prepare the gas connection
according to TRGI or TRF [or local
regulations].
3. Prepare the electrical connections.
& Power supply cable: NYM-
J 3 x 1.5 mm
230 V~.
& Accessory cables: NYM with the
required number of conductors
for the external connections.
& Allow all cables in area "H" to
protrude 1200 mm from the wall.
2
, fuse max. 16 A,