Description - Viessmann Vitotron 100 Series Installation And Operating Instructions Manual

Installation sequence
Description(only for type VMN3)
The heating circuit module (control) is a temperature
controller for the heating medium in the system. It is
equipped with a mixing valve with a servomotor. By
mixing the heating medium in the installation inlet
with the medium from the second heating source, it
is possible to reach the required temperature at the
valve outlet (circuit inlet).
To
ZM
M
A Feed ~230 V
B RS485
ZM Mixing valve with servomotor
To Temperature sensor, heating circuit
PO DHW circulation pump
16
A
VCMG3
B
PO
The process is controlled by gradually opening and
closing the valves at specified time intervals. The valve
is controlled by applying the voltage to terminal L
or L (close).
c
Caution
If the temperature of the heating medium is too
high, it will damage the system. The installation
of safety valves prevents excessive heating of
the heating medium.
The drawings in these instructions are for illustration
purposes only and are simplified – they do not contain
any hydraulic fittings.
This appliance can be used by children aged 8 years or
older and by persons with restricted physical, sensory
or mental capacities or without sufficient experience
and knowledge of the appliance's operation, provided
that they are supervised or instructed in the safe use of
the appliance and are fully informed about the potential
hazards arising from its use. Never permit children to
play with the appliance. Children must not carry out
cleaning and maintenance work if unattended.
(open)
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