The VAV controller Type TVR-Ex is used for controlling variable volume flows of supply and exhaust air in Group II potentially explosive atmosphere, zones 1 and 2.
The TVR-Ex VAV controller consists of the Ex components in the Ex zone and an electronic controller that must be installed in a control cabinet outside the potentially explosive atmosphere.
The control system is suitable for individual room control operations, supply and exhaust air, as well as for operation in 2-point mode on fume cupboards with highspeed control.
