The Brains Behind the Dryer

Our exclusive control system for the T Series Heatless air dryer, standard with Models T-150 and smaller, provides unequaled benefits, economic value, and reliable printed circuit board technology. The T Series Deluxe Controller gives you the knowledge and information you need to keep your critical air system operating at peak efficiency.

T Series Deluxe Controller

Indicating Lights

Indicating lights are provided for power on, dewpoint control or timer control, and 8 minute or 4 minute time cycle; allowing you to see instantly which mode of operation the dryer is set for. Additional indicating lights for left or right tower online and left or right tower regenerating are also provided.

If the optional Energy Management System (EMS) is purchased, a green standby light tells you when the dryer is in the standby mode; a unique feature of the EMS system. There are two more indicating lights telling you the condition (“wet” or “dry”) of each tower’s EMS moisture probe.

Alarms

Alarm functions include several very unique and helpful alarm indications. We tell you if a tower has failed to depressurize. In order for a heatless dryer to operate at peak efficiency, it has to regenerate at atmospheric pressure. Over time, the purge mufflers typically get dirty, restricting the air flow, creating back pressure in the regenerating tower. When this happens, the regeneration air loses its capability of fully regenerating the desiccant. The end result is higher dewpoints.  But not with our exclusive T Series Deluxe Controller. We tell you when to clean the muffler. We tell you to correct a problem before you get wet air downstream.

Advance knowledge of a potential problem is invaluable. All too often you learn of a problem after it’s too late. Production is damaged by wet air. Not only do we tell you about a possible muffler problem, we also have alarms that tell you if a tower has not been fully regenerated. You know you have problem, before it becomes a problem!

One more alarm is low system pressure. If a valve fails or even leaks, process air vents to atmosphere. Since there are only 4 switching valves and 2 check valves, the possibility for failure is dramatically reduced; but still, anything mechanical can fail. If this happens, then the low system pressure alarm is energized, telling you that a valve is leaking and should be repaired or that your system is demanding more air than your compressor can deliver.

Adjustable Settings

You take complete control of your dryer and can customize it’s operation. You can choose to operate on a 4 or 8 minute time cycle. When the dryer is set to time cycle, it will shift towers every 2 or 4 minutes, based on the time setting. With a 4 minute setting, the dryer is capable of delivering lower dewpoints; typically dewpoints as low as -100°F are attainable depending on inlet conditions. An 8 minute time cycle delivers -40°F dewpoints. We provide a system test switch that allows you to test all of the lights and alarm functions.

Optional Energy Management System (EMS)

You can choose to have the dryer shift towers by time or by EMS dewpoint control. When the dryer is set on timer mode, it will shift towers without consideration of air flow or operating conditions. This is a waste of compressed air. A much better approach is to utilize our exclusive EMS; a system that matches the purge air loss of the dryer to the inlet operating conditions. The EMS consists of two moisture probes which are inserted into the desiccant towers. The probes are very rugged and are protected by stainless steel desiccant retaining screens.

In a dryer, the bulk of the water removed from the air flow occurs in the mass transfer zone. This is an area about midway in the tower. Our EMS probes are actually measuring the relative humidity of the air in the drying tower and of the desiccant in the regenerating tower. This is very unique in the dryer industry and provides you with several outstanding benefits.

First, is a reduction in purge air loss and thus overall cost of operation. When the dryer is in the EMS mode, it will regenerate for either 2 or 4 minutes based on the timer setting. After this time, the purge valve closes, so you don’t lose any valuable compressed air.

The EMS probe in the drying tower measures the relative humidity of the air in the mass transfer zone and causes the dryer to shift towers automatically, when the relative humidity rises. This means that the mass transfer zone remains in the middle of the tower; wet air never exits the dryer. We are able to maintain a constant dewpoint without fluctuations. The probe in the regenerating tower is also measuring relative humidity and will activate an alarm if the tower is not fully regenerated. This gives you advance warning of a potential problem.

Energy savings, purge savings, and few tower shifts are all benefits of the EMS system.

Also optional are the Dewpoint Demand Controller Series II or the Sahara Dew Point Meter.

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