Viessmann VITODENS 300 WB3A, Service Instructions Manual

Page: 64 / 148

Coding in
the as
delivered
condition
Address:
value Function mode Coding
change
Address:
value Possible change
53:1 Function relay 2 of the
internal extension:
DHW circulation pump 53:0 Function relay 2: Central
fault
53:2 Function relay 2: External
heating circuit pump
(heating circuit without
mixer)
53:3 Function relay 2: External
cylinder loading pump
54:0 Without solar control
unit 54:1 With Vitosolic 100
54:2 With Vitosolic 200 (auto-
matic adjustment on
recognition)
Domestic hot water
56:0 DHW temperature
adjustable from 10 to
60 °C 56:1 DHW temperature adjus-
table from 10 to 95 °C
(only for gas fired boilers)
Observe the max. per-
missible DHW tempera-
ture
58:0 Without auxiliary func-
tion for DHW loading 58:1
to
58:95 Input of set DHW value 2;
adjustable from 1 to
95 °C (observe coding
address 56)
59:0 DHW cylinder loading:
Starting point -2.5 K
Stopping point +2.5 K 59:1
to
59:10 Starting point adjustable
from 1 to 10 K below the
set value
5b:0 DHW cylinder directly
connected to the boiler 5b:1 DHW cylinder connected
downstream of the low
loss header
60:10
* 1
During DHW loading,
the boiler water tem-
perature is up to 20 K
higher than the set
DHW temperature
60:5
to
60:25 The difference between
the boiler water tempera-
ture and the set DHW
temperature is adjustable
from 10 to 50 K
Code 2
(cont.)
48
Coding
56
92
550
GB
*1
Only for weather-compensated control units.