Pre-installation: unfinished walls
Required accessories for installation in unfinished buildings:
&
Installation template
incl. fixing parts, valves, gas stop cock and pipe bends.
Installation template for instal lation on unfinished 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.
EDrain
GA Gas connecti on R ½"
HR Heating return R ¾"
HV Heating flow R ¾"
KW Cold water R ½"
SIV Connecti on options for safety valve (secondary side)
WW Hot water R ½"
Electrical connection
Power sup ply
Ensure the power supply connections comply with the require-
ments of your local electricity supply company and current VDE
[or local] regulations.
Protect the power supply cable with a fuse with a maximum rating
of 16 A.
Provide the power supply (230 V~/50 Hz) via a permanent con-
nection.
Connect the supply cables and accessories at the terminals inside
the boiler.
5822 335-1 GB
12 VIESMANN VITOPEND 222
Pre-installation (cont.)
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