N1

RDD210.V..

L, N

AC 230 V power supply, mains and neutral

L

AC 230 V mains input (both L internally connected)

V1

On/Off valve

X1

Floor temperature limitation sensor input

M

Sensor reference input

Q11

SPDT relay input
- for AC 230 V, connect Lx input to one of the L terminals
- for AC 24 V, connect a max. C 10 A circuit breaker between Q11 and power supply

Q12

SPDT relay output, normally closed (AC 24…230 V)

Q14

SPDT relay output, normally open (AC 24…230 V)