Rehau DHU C 24 L Instrucciones De Montaje Y Mantenimiento página 9

02.04 Electrical diagram
Voltage and power supply
1
Input signals (Digital 5 Vcc)
2
▪ DH
Hygrostat – starts dehumidification
▪ VENT starts ventilation
Output signal (optional, 230 V AC 1 A Max)
3
ZONE VALVE water circuit actuator
On-site connections
4
Compressor
5
9
4
8
7
6
7
8
9
1
2
6
Fan
Autotransformer
Note that fan speeds 4, 5 and 6 must not be used.
This could damage the unit.
Printed circuit board
Display
09
EN
3
5