As with many VAV systems relying on diversity to meet instantaneous requirements, air balancing
The DOAS units operate at constant volume, but have VFDs to optimize air balancing
and to account for filter loading.
* Three-speed switch provides simplifies air balancing
(see facing page for Energy Saver Control System)
"By mid-2013, we will introduce another new product that will transform the air balancing
system in buildings.
Smaller improvements have included replacing weather stripping, ensuring proper air balancing
, installing timers and thermostats on parking lot electrical outlets and implementing processes to ensure all window-mounted air conditioners are removed or winterized before cold weather sets in.
Automatic air balancing
via a new bypass valve diverts drying air back to the dryer if the full flow is not required.
The system provides an extremely low airborne dust level during handling via the use of two HEPA filters which allow cleaned air to be reintroduced back into the production area with no impact on room-to-hallway air balancing
. System uses sub-micron particulate filter cassettes in both the active filter and safety filter stages, affording the ability to accept high levels of contaminants in the inlet air stream; guaranteed 24-hour system operation; and the ability to dedust different tablet presses with one filter system without product cross contamination.
The system's new air balancing
feature reduces housekeeping issues associated with other systems.
Ventilation system applications include air balancing
and testing, creation of positive air flow and pressure, venting fumes and particulate, and providing compensating air to offset exhaust systems.
Temperature problems can be corrected with air balancing
or temperature control strategies.