Viessmann SDIO User Manual

17
23 Stop temperature differential for central heating backup
Display Value Explanations
Parameter "20:4" must be set.
4 K 23:4
... K 23:1 to
23:29
24 Start temperature for thermostat function
Display Value Explanations
Parameter "20:5" or "20:6" must be set.
40 °C 24:40
... °C 24:0 to
24:100
25 Stop temperature for thermostat function
Display Value Explanations
Parameter "20:5" or "20:6" must be set.
50 °C 25:50
... °C 25:0 to
25:100
26 Priority for DHW cylinder
Display Value Explanations
Parameter "20:9" must be set.
Priority for DHW cylinder 1 – without cycli-
cal heating
26:0
Priority for DHW cylinder 1 – with cyclical
heating
26:1
Priority for DHW cylinder 2 – without cycli-
cal heating
26:2
Priority for DHW cylinder 2 – with cyclical
heating
26:3
Cyclical heating without priority for any of
the DHW cylinders
26:4 Cyclical heating without priority for one of the DHW
cylinders
27 Cyclical heating time
Display Value Explanations
The DHW cylinder with priority is heated first. Then
the DHW cylinder without priority is heated for a max-
imum duration equal to the set cyclical heating time.
15 min 27:15
... min 27:5 to
27:60
Commissioning
Configuring the SDIO/SM1A electronics module (cont.)
6131981
Commissioning

Viessmann SDIO Specifications

General

Brand	Viessmann
Model	SDIO
Category	Control Unit
Language	English