Viessmann VITODENS 200-W Service Instructions Manual page 39

Code 1
(cont.)
Coding in the delivered condition
Subscriber no.
77:1 LON subscriber number 77:2
DHW priority A1
A2:2 Cylinder priority to heat-
ing circuit pump
DHW priority M2
A2:2 Cylinder priority applic-
able to heating circuit
pump and mixer
Summer econ. A1/M2
A5:5 With heating circuit
pump logic function
(only for weather-com-
pensated control units)
Min. flow temp. A1/M2
C5:20 Electronic minimum
flow temperature limit
20 °C (only for weather-
compensated control
units)
Max. flow temp. A1/M2
C6:74 Electronic maximum
flow temperature limit
74 °C (only for weather-
compensated control
units)
Possible change
LON subscriber number,
to adjustable from 1 to 99:
77:99 1 - 4 = Boiler
5 = Cascade
10 - ... = Vitotronic 200-H
99 = Vitocom
Note
Allocate each number
only once.
A2:0 Without cylinder priority
for heating circuit pump
A2:0 Without cylinder priority
applicable to heating cir-
cuit pump and mixer
A2:1 Cylinder priority only ap-
plicable to mixer
A2:3 Reduced priority applied
to to mixer (the heating cir-
A2:15 cuit receives a reduced
amount of energy)
A5:0 Without heating circuit
pump logic function
C5:1 Minimum limit adjustable
to from 10 to 127 °C (limited
C5:127 by the boiler coding card)
C6:10 Maximum limit adjustable
to from 10 to 127 °C (limited
C6:127 by the boiler coding card)
Coding
39