Viessmann VITOPEND 200 Installation And Service Instructions Manual page 53

Code 2
(cont.)
Function area
System design
Boiler/burner
Hot water
General
Heating circuit A1 (heating circuit without
mixer)
Heating circuit M2 (heating circuit with
mixer)
Note
For heating systems with one heating circuit without mixer and one heating cir-
cuit with mixer, initially the possible 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
00:2 System version 1, 3:
1 heating circuit without
mixer A1, with DHW
heating
Boiler/burner
06:... Maximum limit of the
boiler water tempera-
ture, defaulted in °C by
the boiler coding card
1E:0 Operation with natural
gas
21:0 No burner maintenance
indication
23:0 No time interval for bur-
ner maintenance
Coding addresses
00
06 to 54
56 to 73
76 to 9F
A0 to F7
A0 to F7
Possible change
00:4 1 heating circuit with
mixer M2, with DHW
heating
00:6 System version 2, 4:
1 heating circuit without
mixer A1 and 1 heating
circuit with mixer M2, with
DHW heating
06:20 Maximum limit of the boi-
to ler water temperature
06:127 within the ranges de-
faulted by the boiler
1E:1 Operation with LPG
21:1 The number of hours run
to before the burner should
21:9999 be serviced is adjustable
from 1 to 9999 h
23:1 Interval adjustable from 1
to to 24 months
23:24
Coding
53