Viessmann VITOCELL 100-V - Filling the DHW Cylinder; Shutting Down the System; Checking Safety Valve Function; Checking Anode Earth Current

20
Connect the DHW circulation pipe when connecting
several cylinders in conjunction with district heating
systems with a heating water return temperature limit-
ing facility and/or several DHW circulation pipes:
WW
KW
ZP
Z
ZP
A
A
Fig. 18
A
Spring-loaded check valve
KW Cold water
WW DHW
Z DHW circulation pipe
CP DHW circulation pump
Connecting the equipotential bonding
Connect the equipotential bonding in accordance with
the requirements stipulated by your local power supply
utility and VDE [or local] regulations.
CH: Connect the equipotential bonding in accordance
with the technical requirements stipulated by your local
power supply utility and SEV regulations.
Commissioning
Service instructions
Connections on the DHW side (cont.)
5813557