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Configuring the SDIO/SM1A electronics module
12 Minimum collector temperature
Display
None
10 °C
... °C
20 Extended control function
Display
None
Additional function, increased DHW hy-
giene
Differential temperature control 2
Differential temperature control 2 and auxil-
iary function for increased DHW hygiene
Differential temperature control 2 for central
heating backup
Thermostat function
Thermostat function and auxiliary function
for increased DHW hygiene
Solar heating via external heat exchanger
without additional temperature sensor
Solar heating via external heat exchanger
with additional temperature sensor
Solar heating of 2 DHW cylinders
Note
Changed display on Vitotronic 200 heat pump control
unit, type WO1C: "Extended solar control func-
tions"
22 Start temperature differential for central heating backup
Display
8 K
... K
23 Stop temperature differential for central heating backup
Display
4 K
... K
(cont.)
Value
Explanations
12:0
Minimum temperature limit disabled
12:10
Minimum start temperature for solar circuit pump
10 °C
12:1 to
12:90
Value
Explanations
20:0
No extended control function enabled
20:1
20:2
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
20:3
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
20:4
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
20:5
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
20:6
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
20:7
20:8
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
20:9
Do not adjust in conjunction with Vitocell 100-W, type
CVUB-A
Value
Explanations
Parameter "20:4" must be set.
22:8
22:2 to
22:30
Value
Explanations
Parameter "20:4" must be set.
23:4
23:1 to
23:29
Commissioning
13
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