Specification; Connection And Wiring Diagram - Viessmann SDIO/SM1A Installation And Service Instructions Manual

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Specification

Rated voltage
Rated frequency
Rated current
Power consumption – electronics
Power consumption
Protection class
IP rating
Permissible ambient temperature
Operation
Storage and transport
Rated relay output breaking capacity
Output
sF
Output
sS

Connection and wiring diagram

Fig. 6
A1
Main PCB
PWM Speed control, solar circuit pump (if circulation
pump with PWM control installed)
TB
Maximum temperature limiter
X...
Electrical interfaces
Cylinder temperature sensor NTC 10 k
%
230 V∼
50 Hz
2 A
1.5 W
7 mA
I
IP 20D to EN 60 529, ensure through design/
installation.
0 to +40 °C
20 to +65 °C
1 (1) A 230 V~
1 (1) A 230 V~
Collector temperature sensor NTC 20 k
&
Temperature sensor NTC 10 k
/
Temperature sensor NTC 10 k
Transfer pump or 3-way diverter valve
sS
Solar circuit pump
sF
Power supply
Ω
Specification
Ω
(if installed)
Ω
(if installed)
Ω
29

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