Viessmann VITODENS 300 Service Instructions Manual page 43

Code 2
(cont.)
Function area
System design
Boiler/burner
Domestic hot water
General
Boiler circuit (heating circuit A1 without
mixer)
Mixer circuit (heating circuit M2 with mixer) A0 to Fb
Note
Codes, which are irrelevant (due to the system equipment level or the setting of
other codes) will not be displayed.
For heating systems with one heating circuit without mixer and one heating cir-
cuit with mixer, initially the available coding addresses A0 to Fb are scrolled for
the heating circuit without mixer A1, then those for the heating circuit with mixer
M2.
Coding
Coding in the delivered condition
System designs
00 :1 System design 1:
1 heating circuit without
mixer A1, without DHW
heating
Coding addresses
00
06 to 54
56 to 73
76 to 9F
A0 to Fb
Possible change
00 :2 System design 1, 6:
1 heating circuit without
mixer A1, with DHW heat-
ing
00 :3 System design 5:
1 mixer circuit M2, with-
out DHW heating
00 :4 System design 5:
1 mixer circuit M2, with
DHW heating
00 :5 System design 2, 3, 4:
1 heating circuit without
mixer A1, 1 mixer circuit
M2 without DHW heating
00 :6 System design 2, 3, 4:
1 heating circuit without
mixer A1 and 1 mixer cir-
cuit M2, with DHW heat-
ing
Coding
43