Viessmann VITODENS 333-F WS3A Service Instructions Manual page 66

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Service scans
Temperatures, boiler coding card and brief scans
Constant temperature control unit
Press the following keys:
1. K + G simultaneously for
approx. 2 s.
The following values can be scanned, subject to the actual system equip-
ment level:
Brief scan
0
0
1
Software
version
Solar con-
trol unit
0: no solar
control
unit
E
0: no ex-
ternal de-
mand
1: external
demand
3
0
A
0
4
0
5
0
b
0
C
0
c
0
66
2. a/b
3. d
Display screen
System de-
Software version
signs 1 to 6
Control unit
Display in
accordance
with the
system
equipment
level
Software version
Burner control unit
0: no exter-
External 0 - 10 V hook-up
nal block-
Display in %
ing
0: no external hook-up
1: external
blocking
0
Set boiler water temperature
0
Highest demand temperature
Burner control unit type
0
Set cylinder temperature
0
Max. output in %
Boiler coding card (hexadecimal)
Version
Equipment
(cont.)
for the required scan.
Scanning is completed.
Software
version
Program-
ming unit
Software
0
version
External
extension
0: no exter-
nal exten-
sion
Equipment type
Version
Burner control unit

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