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Controls & Instrumentation

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Wozair are able to undertake the design and engineering of custom built control systems to ensure accurate and efficient control of HVAC systems and equipment. This calls for a thorough understanding of equipment performance and system operation and philosophy.

Control system designs can vary from small custom designed microprocessors and wall mounted control panels to floor standing cabinets and multi cubicle control centres giving the full benefit of isolation, safety and separation.

Control systems are supplied using the latest technology available and can cover a wide variety of applications. The technology is integrated with the manufacture and design of HVAC Control panels, MCC and distribution panel’s .Wozair control systems are designed with the ability to be integrated with Vessel management (DCS) and Fire & Gas systems facilitating supervisory control of the HVAC system, operator warnings and alarm report generation. This is achieved through hardwired and serial interface’s using various communications protocols. Local control is generally achieved through touch screen graphical user interfaces which are designed and supplied by Wozair as part of a turnkey package or to match the requirements of each particular application.

With this broad product range and a skilled team of multi-disciplinary engineers familiar with HVAC systems and equipment, the successful design and economic solution to HVAC controls is ensured.

Products include:

 Full HVAC integrated control panels

 Packaged air conditioning controls

 Refrigeration system controls

 Integrated UPS systems

 Heater thyristor control panels

 Humidifier control panels

 Compact special micro controllers

To complement the HVAC controls an extensive range of instrumentation can be supplied including:

 Low pressure gauges and switches

 Temperature and pressure transmitters and sensors

 Thermostats and humidistats  Bearing and speed sensors and transmitters

 Valves and actuators  Position sensors and transmitters

Instrumentation of this type fulfils a critical role in process safety. The range features a measuring system specifically designed for the low pressures associated with HVAC systems combined with all the facilities of process instrumentation, including:

 Full compliance with client specifications

 Guaranteed environmental protection

 Process compatible hook-up  In house fully traceable calibration  Seismic qualification service  Vibration and shock testing  Extensive range of control options  Hazardous area visions available  Built-in intelligence

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