Energy Saving Systems for DST dehumidifiers
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Energy efficient control for DST dehumidifiers Economy and Environment With new government efficiency targets and ever-increasing energy prices, it is DST’s policy to use new technologies wherever possible. This ensures that our products continue to use energy effectively and efficiently. Our programmable logic control (PLC) systems can increase operating efficiency, lower carbon emissions and reduce running costs; factors that may be crucial for environmental certification. PLCs (C2 and C4) are tailored to ensure highest operating efficiency is achieved for each specific project. PLCs can...

Energy Saving 2 The reactivation heater power is fully regulated between zero and full capacity using either binary (multi-step) or linear (triac or actuator) control. Using our humidity controller EH3 T2 + PLC C2 or an external control signal (BMS + PLC C2), the drying capacity is finely adjusted to accurately maintain the required set point (humidity or dew point). Applications: Where precise control is required. Where the process air inlet condition is constantly changing. Where a specific dry air outlet condition is required. On large electric reactivated dehumidifiers if smaller power...

PLC C4: Controlling both humidity and temperature – online and on site The PLC C4 is easy to handle thanks to the user-friendly touch screen. The user can easily overview and manage the process of controlling both humidity and temperature. The user may also set regulator values and view the process-data. It is possible to manage the start-up process, control, see the functions as well as start and stop the dehumidifier via internet. The C4 also offers great expansion possibilities since it is easy to add on different functions. All functions are tested by DST at factory before delivery. C4,...

Humidity and temperature control with C4 Integrating output temperature control in the dehumidification process makes it possible to reduce the total energy consumption thanks to interaction of the humidity and temperature parameters. Cooling and heating coils are built into the dehumidifier. DST is able to offer both DX cooling and coils for chilled water. Heating can be done with either hot water, electricity or steam heating. Vaisala tansmitter connected to C4. with options DST provides pre-, and post treatment coils complete with temperature control, and all from a single supplier....

Humidity control with electronic humidistat and regulator EH3 T2 and humidistat EH4 EH3 T2, Elektronic humidistat and regulator Relative humidity in % RH Absolute humidity in g/kg Dewpoint °Cdp Temperature °C / K / °F PI Regulator for humidity or temperature Two step humidistat Two independent potential free closing contacts EH3 T2 In/Outputs Digital Outputs: 2 Analogue Outputs: 2 EH3 T2 features: PI regulator for humidity or temperature Room sensor EH4 , electronic humidistat Two-step humidistat Sensor with quick respons Two independent potential free closing contacts %RH display with two...

Process fan control The dehumidifier can adapt to the customer’s process and save energy by controlling the process fan. Constant flow with frequency converter Constant flow regulation irrespective of pressure drop in filters. The flow remains constant even if the filters have been exposed to dirty air, and you can also read the desired and actual flow on your C4 as well. Constant pressure with frequency converter This solution allows you to maintain a constant pressure in the dry air duct. Set the desired pressure in the dry air duct to adapt the speed of the process fan to the customer’s...

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