Specification; Connection And Wiring Diagram - Viessmann SM1 Installation And Service Instructions Manual

Specification

Rated voltage
Rated frequency
Rated current
Power consumption
Safety category
IP rating
Permissible ambient temperature
During operation
■
During storage and transport
■
Rated relay output breaking capacity
Output
sF
■
Output
sS
■

Connection and wiring diagram

Fig. 7
A1 Main PCB
PWM Speed control, solar circuit pump (if circulation
pump with PWM control installed)
230 V~
50 Hz
2 A
1.5 W
I
IP 20 D to EN 60 529; ensure through de-
sign/installation
0 to +40 °C
20 to +65 °C
–
1 (1) A 230 V~
1 (1) A 230 V~
TW Maximum temperature limiter
X... Electrical interfaces
Cylinder temperature sensor NTC 10 k
%
Specification
Ω
23