Viessmann SDIO Installation And Service Instructions For Contractors page 15

Configuring the SDIO/SM1A electronics module
0C Delta T monitoring
Display
OFF
ON
0D Night DHW circulation monitoring
Display
OFF
ON
0E Calculation of solar yield
Display
OFF
Calculation of solar yield with Viessmann
heat transfer medium
Calculation of solar yield with water as heat
transfer medium
0F Flow rate, solar circuit at max. pump speed
Display
7 l/min
... l/min
10 Target temperature control
Display
OFF
ON
11 Set DHW temperature, solar
Display
50 °C
... °C
(cont.)
Value Explanations
0C:0
0C:1 No flow rate captured in the solar circuit, or flow rate
too low.
Value Explanations
0D:0
0D:1 Unintentional flow rate in the solar circuit (e.g. at
night) is captured.
Value Explanations
0E:0
0E:1
0E:2 Do not adjust
Value Explanations
0F:70
0F:1 to Flow rate adjustable from 0.1 to 25.5 l/min
≙
0F:255 1 step 0.1 l/min
Value Explanations
10:0
10:1 See parameter "11"
Value Explanations
Target temperature control is switched on (parame-
■
ter "10:1"):
Temperature at which the solar heated water is to be
stratified into the DHW cylinder.
Heating of 2 DHW cylinders is set (parameter
■
"20:9"):
When the set cylinder temperature is achieved in
one DHW cylinder, the 2nd DHW cylinder is heated.
11:50
11:10 to Set solar cylinder temperature adjustable from 10 to
11:90 90 °C.
Commissioning
15