VH1B VH2B VH3B VH4/AB VH4B VH5B
Capacity kW 1.0 1.0 1.0 2.5 1.5 2.5
Duct diameter mm 100 150 200 250 250 350
Connectable unit VAM150FA VAM250FA, VAM350FB VAM500FB, VAM650FB VAM800FB, VAM1000FB VAM800FB, VAM1000FB VAM1500FB, VAM2000FB
Output current (maximum) 19A at 40°C (ambient) 19A at 40°C (ambient) 19A at 40°C (ambient) 19A at 40°C (ambient) 19A at 40°C (ambient) 19A at 40°C (ambient)
Temperature sensor 5k ohms at 25°C (table 502 1T) 5k ohms at 25°C (table 502 1T) 5k ohms at 25°C (table 502 1T) 5k ohms at 25°C (table 502 1T) 5k ohms at 25°C (table 502 1T) 5k ohms at 25°C (table 502 1T)
Temperature control range 0 to 40°C / (0-10V 0-100%) 0 to 40°C / (0-10V 0-100%) 0 to 40°C / (0-10V 0-100%) 0 to 40°C / (0-10V 0-100%) 0 to 40°C / (0-10V 0-100%) 0 to 40°C / (0-10V 0-100%)
LED indicators Power ON - Yellow, Heater ON - Red (solid or flashing, indicating pulsed control), Airflow fault - Red Power ON - Yellow, Heater ON - Red (solid or flashing, indicating pulsed control), Airflow fault - Red Power ON - Yellow, Heater ON - Red (solid or flashing, indicating pulsed control), Airflow fault - Red Power ON - Yellow, Heater ON - Red (solid or flashing, indicating pulsed control), Airflow fault - Red Power ON - Yellow, Heater ON - Red (solid or flashing, indicating pulsed control), Airflow fault - Red Power ON - Yellow, Heater ON - Red (solid or flashing, indicating pulsed control), Airflow fault - Red
Mounting holes 98mm x 181mm centres 5mm Ø holes 98mm x 181mm centres 5mm Ø holes 98mm x 181mm centres 5mm Ø holes 98mm x 181mm centres 5mm Ø holes 98mm x 181mm centres 5mm Ø holes 98mm x 181mm centres 5mm Ø holes
Maximum ambient adjacent to terminal box 35°C (during operation) 35°C (during operation) 35°C (during operation) 35°C (during operation) 35°C (during operation) 35°C (during operation)
Auto high temp. cutout 100°C Pre-set 100°C Pre-set 100°C Pre-set 100°C Pre-set 100°C Pre-set 100°C Pre-set
Man. reset high temp. cutout 125°C Pre-set 125°C Pre-set 125°C Pre-set 125°C Pre-set 125°C Pre-set 125°C Pre-set
Run relay 1A 120V AC or 1A 24V DC 1A 120V AC or 1A 24V DC 1A 120V AC or 1A 24V DC 1A 120V AC or 1A 24V DC 1A 120V AC or 1A 24V DC 1A 120V AC or 1A 24V DC
BMS setpoint input 0-10VDC 0-10VDC 0-10VDC 0-10VDC 0-10VDC 0-10VDC
Power supply Frequency Hz 50/60 50/60 50/60 50/60 50/60 50/60
  Voltage V 220/250 220/250 220/250 220/250 220/250 220/250
  Voltage range Min. % -10 -10 -10 -10 -10 -10
    Max. % 10 10 10 10 10 10
Control fuse 20 x 5mm 250 mA 20 x 5mm 250 mA 20 x 5mm 250 mA 20 x 5mm 250 mA 20 x 5mm 250 mA 20 x 5mm 250 mA