General - Viessmann Vitocrossal 300 Service Manual

Coding 1

General

Accessing coding level 1
Note: Codes are displayed as plain text.
Codes that have no function due to the heating
system equipment level or the setting of other
codes are not displayed.
Heating systems with one heating circuit without
mixing valve and one or two heating circuits with
mixing valve:
The heating circuit without a mixing valve is
designated "Heating circuit 1" and the heating
circuits with mixing valve as "Heating circuit 2"
or "Heating circuit 3".
If the heating circuits were given individual
designations, the selected designation and "HC1",
"HC2" or "HC3" appear instead:
Coding in the factory setting
System design
00:1 System type 1:
One heating circuit
without mixing valve
A1 (heating circuit 1),
without DHW heating
Value address System type
00: ...
1 1
2 1
3 2
4 2
5 2
6 2
7 3
8 3
9 3
10 3
50
1. Press OK and
seconds.
2. "Coding level 1"
3. Select group of required coding address:
- "General"
- "Boiler"
- "DHW"
- "Heating circuit 1/2/3"
- "All codes or solar"
In this group, all coding addresses from coding level 1
(except the coding addresses from the "Solar"group)
are displayed in ascending order.
4. Select coding address.
5. Select value according to the following tables and
confirm with OK.
6. If you want to reset all codes to their factory setting:
Select "Standard setting" in "Coding level 1".
Note: This also resets codes from coding level 2.
Possible change
00:2
to
00:10
Description
One heating circuit without mixing valve (heating circuit 1), without DHW
heating.
One heating circuit without mixing valve (heating circuit 1), with DHW
heating (code is adjusted automatically).
One heating circuit with mixing valve (heating circuit 2), without DHW
heating.
One heating circuit with mixing valve (heating circuit 2) with DHW heating.
One heating circuit without mixing valve (heating circuit 1) and one heating
circuit with mixing valve (heating circuit 2), without DHW heating (code is
adjusted automatically).
One heating circuit without mixing valve (heating circuit 1) and one heating
circuit with mixing valve (heating circuit 2), with DHW heating (code is
adjusted automatically).
One heating circuit with mixing valve (heating circuit 2) and one heating
circuit with mixing valve (heating circuit 3), without DHW heating.
One heating circuit with mixing valve (heating circuit 2) and one heating
circuit with mixing valve (heating circuit 3), with DHW heating.
One heating circuit without mixing valve (heating circuit 1), one heating
circuit with mixing valve (heating circuit 2) and one heating circuit with
mixing valve (heating circuit 3), without DHW heating (code is adjusted
automatically).
One heating circuit without mixing valve (heating circuit 1), one heating
circuit with mixing valve (heating circuit 2) and one heating circuit with
mixing valve (heating circuit 3), with DHW heating (code is adjusted
automatically).
Vitocrossal 300 CU3A 26 to 57 Service
simultaneously for approximately 4
For system type,
see the following table: