Viessmann Vitoplus 300 Service Instructions Manual page 40

Wall mounted oil fired condensing boiler for the combustion of low sulphur fuel oil din 51603-el-1 with integral boiler control unit
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Coding
Code 1
(cont.)
Coding in the delivered condition
User no.
77:1
LON user number
Summer econ. A1
A5:5
With heating circuit
pump logic function
Summer econ. M2
A5:5
With heating circuit
pump logic function
Min. flow temp. A1
C5:20
Electronic minimum
flow temperature limit
20 °C
Min. flow temp. M2
C5:20
Electronic minimum
flow temperature limit
20 °C
Max. flow temp. A1
C6:75
Electronic maximum
flow temperature limit
set to 75 °C
Max. flow. temp. M2
C6:75
Electronic maximum
flow temperature limit
set to 75 °C
Slope A1
d3:14
Heating curve slope =
1.4
40
Possible change
77:2
LON user number, adjus-
to
table from 1 to 99:
77:99
1-4 = boiler
5 = cascade
10 - ... = Vitotronic 050
99 = Vitocom
Note
Allocate each number
only once.
A5:0
Without heating circuit
pump logic function
A5:0
Without heating circuit
pump logic function
C5:1
Minimum limit adjustable
to
from 1 to 127 °C
C5:127
C5:1
Minimum limit adjustable
to
from 1 to 127 °C
C5:127
C6:1
Maximum limit adjustable
to
from 1 to 127 °C
C6:127
C6:1
Maximum limit adjustable
to
from 1 to 127 °C
C6:127
d3:02
Heating curve slope ad-
to
justable from 0.2 to 3.5
d3:35
(see page 32)

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