Replacing The Magnesium Anode; Commissioning The System - Viessmann VITOCAL 222-G Installation And Service Instructions Manual

Further details regarding the individual steps

Replacing the magnesium anode

Note
If the magnesium anode needs to be
replaced, a maintenance-free impressed
current anode (accessory) can be used.
For removal of the magnesium anode,
see chapter "Cleaning the DHW cylin-
der".

Commissioning the system

Commissioning (configuration, parame-
ter settings and function checks) can be
carried out with or without the commis-
sioning assistant (see following chapter
and service instructions for the Vitotronic
200 heat pump control unit).
Commissioning with commissioning assistant
The commissioning assistant guides you
automatically through all the menus
where settings have to be made. For
this, "Coding level 1" is automatically
active.
Commissioning, inspection, maintenance
(cont.)
!
Please note
A short circuit between the mag-
nesium anode and internal indi-
rect coil increases the protective
effect of the magnesium anode
and leads to corrosion damage
on the DHW cylinder.
Before inserting the electrical
cables, measure the resistance
between terminals A and B
(see previous diagram). If the
resistance is significantly less
than infinity, check whether the
magnesium anode is touching
the internal indirect coil.
Note
Type and extent of parameters depend
on the heat pump type, on the selected
system scheme and the accessories
employed.
!
Please note
Incorrect operation at "Coding
level 1" may result in damage to
the appliance and the heating
system.
Always observe the instructions
in the separate service instruc-
tions of the Vitotronic 200 heat
pump control unit, otherwise the
appliance will no longer be under
warranty.
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