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Hoval develops and produces components for heat, cold and moisture recovery based on more than 40 years of experience.

External room unit



Article specifications ED-RU-O
Occupancy button X
3-step fan control -
Setpoint knob X
Multi-function button -
Hidden setpoint -
Display -
Product specifications
Supply voltage 24 V AC
Power consumption 25 mA
Protection class IP20
Ambient humidity Max. 90 % RH
Storage temperature -20…+70°C
Mounting Room or device box
Dimensions (WxHxD) 95 x 95 x 28mm
Communication EXOline
Article specifications ED-RU-FO
Occupancy button X
3-step fan control X
Setpoint knob X
Multi-function button -
Hidden setpoint -
Display -
Product specifications
Supply voltage 24 V AC
Power consumption 25 mA
Protection class IP20
Ambient humidity Max. 90 % RH
Storage temperature -20…+70°C
Mounting Room or device box
Dimensions (WxHxD) 95 x 95 x 28mm
Communication EXOline
Article specifications ED-RU-DO
Occupancy button X
3-step fan control -
Setpoint knob -
Multi-function button -
Hidden setpoint -
Display X
Product specifications
Supply voltage 24 V AC
Power consumption 25 mA
Protection class IP20
Ambient humidity Max. 90 % RH
Storage temperature -20…+70°C
Mounting Room or device box
Dimensions (WxHxD) 95 x 95 x 28mm
Communication EXOline
Article specifications ED-RU-DFO
Occupancy button X
3-step fan control X
Setpoint knob -
Multi-function button -
Hidden setpoint -
Display X
Product specifications
Supply voltage 24 V AC
Power consumption 25 mA
Protection class IP20
Ambient humidity Max. 90 % RH
Storage temperature -20…+70°C
Mounting Room or device box
Dimensions (WxHxD) 95 x 95 x 28mm
Communication EXOline
Article specifications ED-RU-DOS
Occupancy button X
3-step fan control X
Setpoint knob -
Multi-function button -
Hidden setpoint -
Display X
Product specifications
Supply voltage 24 V AC
Power consumption 25 mA
Protection class IP20
Ambient humidity Max. 90 % RH
Storage temperature -20…+70°C
Mounting Room or device box
Dimensions (WxHxD) 95 x 95 x 28mm
Communication EXOline