Viessmann VITOPEND 222 WHSA Datasheet page 10

Pre-installation
(cont.)
Pre-installation: finished walls
Required accessories for installation in unfinished buildings:
& Installation template or installation frame
incl. fixing parts, valves, gas stop cock and pipe bends.
Installation template for finished walls
A Installation template
B Vitopend position
C Area for electrical supply cables.
Allow all cables/leads to protrude approx. 1300 mm from the
wall.
E Drain
Note
For on-site connection dimensions for pipes, see page 13
VIESMANN
10
GA Gas connection G ¾"
HR Heating return G ¾"
HV Heating flow G ¾"
KW Cold water G ½"
SIV Connection options for safety valve (secondary side)
WW Hot water G ½"
VITOPEND 222