Dhw - Viessmann Vitodens 222-F Installation And Service Instructions For Contractors

Parameter level 2
Boiler
(cont.)
"CO limiter"
Setting
Learning mode
Sensor monitoring and fault messaging en-
abled
Deactivated

DHW

Note
Parameter values in bold are factory settings.
"Selection of set DHW temperature"
Setting
Between 10 ... 60 °C
10 °C .. programmed maximum value
"Selection of DHW temperature setting range"
Setting
Use of parameter GWG5A
Use of parameter GWG5E
"Additional function for DHW heating"
Setting
0 .. 9: Without auxiliary function for DHW
heating
... Set value °C
"Cylinder heating: Set start point"
Setting
2.5 K below set value
... K below set value
"Loading pump connection"
Setting
Output 28, main PCB
Internal H1 extension
"DHW cylinder hydraulic connection"
Setting
Directly at boiler or upstream of low loss
header
Downstream of low loss header
74
Explanations
49:0
49:1
49:2
Explanations
56:0 Set DHW temperature adjustable from 10 to
56:1 Set DHW temperature adjustable from 10 to > 60 °C
Note
Max. value subject to boiler coding card.
Observe the maximum permissible DHW temperature.
Explanations
57:0 Never adjust
57:1 Never adjust
Explanations
58:0
58:10 to Entry of a 2nd set DHW temperature
58:60 Adjustable from 10 to 60 °C (observe parameter "56")
Activate 4th time phase in DHW time program
Explanations
59:0
59:1 to Start point adjustable from 1 to 10 K below set value
59:10
Explanations
5A:0 Never adjust
5A:1 Never adjust
Explanations
5B:0
5B:1
60 °C
≤