Viessmann VITOTRONIC 300 GW2 Installation And Service Instructions Manual page 73

Temperatures, boiler coding cards and scans
Outdoor temp. damped
-5
1. Press 9 and rw simultaneously
for approx. 2 seconds.
2. Select the required data for scanning
with the or button.
3. Press .
The following values can be scanned
depending on the system equipment
installed:
Damped outdoor temp.
Current outdoor temp.
Output reduction %
Desired boiler temp.
Current boiler temp.
Sensor 17A, current value
Sensor 17B, current value
Max. flue gas temp.
Current flue gas temp.
Desired DHW temp.
Current DHW temp.
Current DHW temp. 1
Current DHW temp. 2
Desired supply temp.
Current supply temp.
Desired room temp.
Current room temp.
Boiler coding card
Scan 1
Scan 2
Scan 3
Scan 4
Scan 5
Scan 6
Scan 7
Scanning service information
Access diagnosis level.
Exit diagnosis level.
The damped outdoor temperature
can be reset to the current
outdoor temperature by pressing D.
Only displayed if sensor
connected.
Only displayed if sensor
connected.
Only displayed if flue gas
temperature sensor connected.
The max. flue gas temperature
can be reset to the current value
by pressing D.
Only displayed if DHW tank
temperature sensor connected.
Only displayed if two DHW tank
temperature sensors are connected.
Only displayed if supply
temperature sensor connected.
Only displayed if remote control
connected.
See overview of boiler coding
cards on page 94.
See page 74 for scans 1 to 7.
Only in conjunction with LON
communication module
Only in conjunction with LON
communication module
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