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Refrigerant air dryers with energy-saving controls for stable pressure dew point performance

With their high-efficiency storage control, SECOTEC TA to TD series (Dryers from this series contain the fluorinated greenhouse gas R-513A.) refrigerated air dryers can handle dew points to 38 °F, all while ensuring maximum efficiency at all times. A generously-sized thermal mass reduces material stress and assures stable pressure dew point performance.
Unit of Measure

Specifications

Brands

 N/A Kaeser Compressors SECOTEC

Model

 N/A TA 5

Flow Rate

 N/A 20 ft³/min

Pressure Loss

 N/A 0.87 psi

Electrical Power Consumption at 50 Percent Volume

 N/A 0.39 hp

Electrical Power Consumption at 100 Percent Volume

 N/A 0.42 hp

Working Pressure

 N/A 44 to 232 psi

Ambient Temperature

 N/A 38 to 110 ºF

Inlet Temperature

 N/A 38 to 130 ºF

Weight

 N/A 154 lb

Compressed Air Connection Thread Size

 N/A 3/4 in

Compressed Air Connection Thread Type

 N/A National Pipe Thread (NPT)

Condensate Drain Connection Thread Size

 N/A 1/4 in

Condensate Drain Connection Thread Type

 N/A National Pipe Thread (NPT)

Refrigerant

 N/A R-513A

Refrigerant Mass as CO2 Equivalent

 N/A 0.18 t

Global Warming Potential

 N/A 631

Refrigerant Weight

 N/A 0.64 lb

Dimensions

Width

 N/A 24.8 in

Depth

 N/A 19.1 in

Height

 N/A 30.7 in

Power Supply

Voltage

 N/A 115 V

Phase

 N/A 1

Frequency

 N/A 60 Hz

Additional Information

Additional Information

 N/A
  • Significant savings potential during part load operation and during breaks
  • Highly durable and easy maintenance system design
  • Air-cooled versions for ambient temperatures up to 110 ºF
The perfect partner: the KCF oil/water separator
Our tip: Take advantage of cost-effective, legally-compliant treatment of condensate before drainage into the regular wastewater system with KCF oil/water separators.

Advantages

Advantages

 N/A
  • Energy savings - Thanks to the part-load energy-saving control, excess cooling power can be temporarily stored in the thermal mass for later cooling without the need for power consumption.
  • Long-term reliability - The high-quality refrigerant circuit of SECOTEC refrigerated dryers assures reliable performance in ambient temperatures up to +110 ºF. The large condensate separator and electronic ECO-DRAIN condensate drain provide reliable condensate removal during all load phases. Electrical equipment complies with EN 60204-1.
  • Exceptionally service-friendly - The enclosure was designed with easy component accessibility in mind, which helps significantly reduce labor costs for maintenance and testing work.

SECOTEC - Always Saving Energy

SECOTEC - Always Saving Energy

 N/A The load on a refrigerated dryer doesn't just depend on the volume of compressed air to be dried (grey area), but more importantly depends on how much water the incoming compressed air contains. The volume of water (moisture) increases as the temperature rises, so the load on refrigerated dryers increases dramatically when ambient temperatures are high, such as during summer (yellow curve).

Conversely, when the temperature drops during the winter (turquoise curve), there is less load on refrigerated dryers. To maintain a stable pressure dew point throughout these fluctuations, refrigerated dryers should be designed to provide sufficient performance during peak load times, and have additional reserve capacity.

Like the flow rate and temperature range, refrigerated dryers are always operating within the load range of 0 to 100 %. Because SECOTEC storage control ensures energy is only used as needed across this entire load range, users benefit from exceptional savings.

R-513A: A Future-Proof Refrigerant

R-513A: A Future-Proof Refrigerant

 N/A The use of small volumes of the future-proof R-513A refrigerant provides security of supply for maintenance work throughout the entire life of the refrigerated dryer.

Innovation
  • The use of greenhouse gases is becoming ever more strictly regulated throughout the world. Installation of highly compact heat exchangers - such as SECOPACK LS and micro-channel condensers - considerably reduces refrigerant demand.
  • The greenhouse gas potential of R-513A is significantly lower compared to the refrigerants that have commonly been used in refrigerated dryers up until now.
  • R-513A is equivalent to R-134a. It is neither toxic nor flammable.

Maximum Energy Savings Thanks to Storage Control

Maximum Energy Savings Thanks to Storage Control

 N/A The duty-cycle of refrigerated dryers is always fluctuating between 0 and 100 %. Unlike conventional part-load control systems, SECOTEC storage control precisely adjusts electrical power consumption during all load phases.

This allows SECOTEC refrigerated dryers to save almost 60 % of energy costs compared to refrigerated dryers with hot gas bypass control running at an average of 40% of capacity.

In contrast to conventional systems, the thermal mass in SECOTEC dryers always remains cool. This means compressed air can be dried effectively even during start-up phases. The high-quality insulation around the thermal mass also helps to keep energy use to a minimum. With SECOTEC refrigerated dryers, you get compressed air drying with outstanding energy efficiency. The high thermal mass capacity dries with reduced component wear and tear.

Optimal Drying with Low-Wear Operation

Optimal Drying with Low-Wear Operation

 N/A SECOTEC refrigerated dryers ensure stable pressure dew points in all load phases. Dried compressed air can cool to a temperature of + 38°F (= achievable pressure dew point) without the moisture in the air condensing. Even at higher ambient temperatures, this ensures optimal protection for downstream compressed air systems and points-of-use.

Conventional refrigerated dryers with switching operating modes, but without an additional thermal mass, use the heat exchanger material itself as a thermal mass. In these dryers, it is therefore necessary to switch the refrigerant compressors and fan motors on and off much more frequently in order to maintain the required cooling performance. To reduce switching frequency and wear, the refrigerant circuit therefore only switches on at much higher pressure dew points. The resulting fluctuations in the pressure dew point negatively affect drying performance. This can be risky, since corrosion can occur even with relative compressed air humidity of 40 % – corrosion can therefore occur even without condensate forming.

SECOTEC refrigerated dryers, on the other hand, ensure material-friendly operation thanks to their high thermal storage capacity. Once the thermal mass has been charged, the refrigerant compressor and fan motor can remain switched off for much longer periods of time without impacting pressure dew point stability.
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