Connection terminals - Data Sheet - RDF280.VXX - RDF280.VXX/VG - RDF280.VXX/VS

L, N

AC 230 V power supply, mains and neutral

Q1

Output, fan speed 1, AC 230 V

Q2

Output, fan speed 2, AC 230 V

Q3

Output, fan speed 3, AC 230 V

Q5

Output, external/internal circulation, AC 230 V

Q14

SPST relay output (NO) (AC 230 V)

Y50

DC 0…10 V output

M2

Input reference ground for Y50

X1

Multifunctional input, e.g., sensor or switch

M1

Input reference ground for X1

A, B

Modbus terminals, no isolation

REF

Modbus reference ground