Viessmann Vitodens 300 Service Instructions Manual page 48

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