Viessmann Vitocrossal 300 Service Instructions Manual page 7

Key to date of manufacture
X X 0 1
1 2 3 4
Fig. 1
Digits and Internal Viessmann information
1 2
Digits and 0 and 5 = calendar week 05 = 5th calendar week
3 7
1 and 5 = year 2015
Digits 4 and 6
Digit 2 = 2nd day of the working week
5
(Monday = 1, Tuesday = 2, etc.)
Example 0501255 corresponds to date of manufacture: 27 January 2015
Symbols
Symbol Meaning
Reference to other document containing
further information
Step in a diagram:
1.
The numbers correspond to the order in
which the steps are carried out.
Warning of material losses and environ-
mental pollution
Live electrical area
Pay particular attention.
Component must audibly click into place.
■
or
Acoustic signal
■
Fit new component.
■
or
In conjunction with a tool: Clean the sur-
■
face.
Dispose of component correctly.
Dispose of component at a suitable collec-
tion point. Do not dispose of component in
domestic waste.
2 5 5
5 6 7
Day
Year
Week
The steps in connection with commissioning, inspec-
tion and maintenance are found in the "Commission-
ing, inspection and maintenance" section and identified
as follows:
Symbol Meaning
Steps required during commissioning
Not required during commissioning
Steps required during inspection
Not required during inspection
Steps required during maintenance
Not required during maintenance
Information
7