Viessmann Vitodens 222-F Installation And Service Instructions Manual page 73

DHW
(cont.)
"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
"Function of circulation pump for cylinder heating at "External blocking" signal"
Setting
Remains in control mode
Is switched off
Is switched on
"Function of circulation pump for cylinder heating at "External demand" signal"
Setting
Remains in control mode
Is switched off
Is switched on
"Additional function for DHW heating"
Setting
Without
1x daily
All ... Days
2x daily
"Diverter valve"
Setting
Without
With
"Set speed, internal circulation pump for DHW heating"
Setting
... %
... %
Explanations
5A:0 Never adjust
5A:1 Never adjust
Explanations
5B:0
5B:1
Explanations
5E:0
5E:1
5E:2
Explanations
5F:0
5F:1
5F:2
Explanations
Only if control unit has been changed to constant tem-
perature mode.
63:0 Circulation pump with 2 min run-on time after cylinder
heating
63:1
63:2 to Additional function adjustable from every 2 days to ev-
63:14 ery 15 days
63:15
Explanations
65:0
65:... Information on the type of diverter valve (never adjust;
specified by the boiler coding card)
Explanations
6C:... Set speed of internal circulation pump for DHW heat-
ing specified by boiler coding card
6C:0 to Set speed adjustable from 0 to 100 %
6C:100
Parameter level 2
73