Selecting The Connection For Heating Circuits 1 To 4; Selecting The Dhw Connection; Selecting Dhw Recirculation; Selecting The Solar Connection - Viessmann VITOLIGNO 300-C Installation And Service Instructions Manual

Vitoligno 300-C Installation/Service

Selecting the Connection for Heating Circuits 1 to 4

Selecting the DHW Connection

Selecting DHW Recirculation

Selecting the Solar Connection

Commissioning, Inspection and Maintenance
To specify where the respective heating circuit is
connected, press the following keys:
1. for "No":
|/~
Not installed.
for "On the boiler":
Connected at internal PCB.
for "On the mixing valve extension module":
Connected to extension kit via KM-BUS.
2. d to confirm.
To specify where the DHW heating is connected, press
the following keys:
1. for "No":
|/~
Not installed or DHW heating connected to a combi tank.
for "On the boiler": Connected at internal PCB.
for "On the mixing valve extension module":
Connected to extension kit via KM-BUS.
2. d to confirm.
To specify whether a DHW recirculation pump is
connected, press the following keys:
1. for DHW circulation "Yes/No"
|/~
2. d to confirm.
Press the following keys:
1. for "No":
|/~
Not installed.
for "On the boiler": Connected at internal PCB.
2. d to confirm.
Note: To calculate the solar yield, the nominal flow
rate or the solar circuit pump must be set in
coding address 75 (see page 89).
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