Fundamentals of Practical Building Automation Systems

THE WORKSHOP

A Building Automation System (BAS) is a computerised intelligent network of electronic devices that is used to control and monitor the mechanical, lighting and security systems in a building. It is sometimes referred to as an intelligent building system. It is most often used for control of heating, ventilation and air conditioning (HVAC) systems. A BAS can result in a dramatic reduction in building energy and maintenance costs. BAS can also monitor other parameters such as temperature, air pollution levels, fire alarm status and building integrity.

Most of the underlying networks underpinning a BAS comprise of a primary and secondary bus which connect high-level controllers with lower level devices which interface to the digital and analog input/outputs.

After an initial overview of the topic, the first day of the workshop covers controllers, industrial networks, lighting, air handlers, water systems and the central plant. The second day provides you with a solid understanding of heating, ventilation, air conditioning (HVAC) and the associated electrical systems. You will also be exposed to alarms and security, room automation and the vital topic of energy efficiency. The workshop is concluded with the interesting topic of SCADA systems where all the building information is brought together. 

Throughout the workshop you will learn the essentials in installing, commissioning and troubleshooting individual components and systems.

WHAT IS INCLUDED?

  • Receive a certificate of attendance in support of your continuing professional commitment
  • All workshops include the associated hardcopy technical manual
  • Printed workshop handouts
  • Lunch and refreshments
  • Interact and network with workshop attendees and experienced instructors
  • Practical, industry driven content to assist you in your continuing professional development (CPD)
  • Attendees automatically become IDC subscribers and receive exclusive deals and technical content every month

WHO SHOULD ATTEND?

  • Control and instrumentation engineers and technicians
  • Design engineers
  • Maintenance engineers, technicians and staff
  • Mechanical engineers and technicians
  • Operation, inspection and repair managers, supervisors and technicians
  • Plant engineers

CONTENT SUMMARY

INTRODUCTION TO A BUILDING AUTOMATION SYSTEM (BAS)

  • What is building automation?
  • Why building automation is required
  • Direct Digital Controls (DDC)
  • Predecessors to DDC controls
  • Overall topology
  • Key building blocks
  • Industrial networks
  • Overview of the course

CONTROLLERS

  • Different types
  • Programmable Logic Controllers/System
  • Network controllers
  • Terminal unit controllers
  • Connectivity with networks
  • Configuration and programming
  • Troubleshooting of controllers
  • Web enabled controllers (AspectFT)

INDUSTRIAL NETWORKS

  • Different systems
  • Proprietary versus non proprietary systems
  • BACnet (ASHRAE)
  • LonTalk (Lon works)
  • Wireless (Zigbee)
  • Industrial Ethernet
  • Remote control
  • Configuration and troubleshooting

OCCUPANCY

  • Occupied/unoccupied/morning warm-up and night-time setback
  • Monitoring and corrective action in case of inadequate fresh air, other pollutants in occupied areas
  • Requirements of BAS

LIGHTING

  • Automated systems
  • Demand response

AIR HANDLERS

  • Air handling units
  • Constant volume
  • Variable volume
  • Variable volume hybrid units
  • Typical control set ups and monitoring requirements

CENTRAL PLANT

  • Operation and troubleshooting of chillers, boilers, cooling towers, pumps

WATER SYSTEMS

  • Chilled water system
  • Condenser water system
  • Hot water system

HVAC CONTROLS AND INSTRUMENTATION

  • Sensors and elements
  • Pneumatic, hydraulic, electric, electronic, direct digital controls
  • Two position control
  • PID control
  • DDC control
  • Parameters to be controlled (temperature supply and return air)
  • Preheat and humidification (winter air conditioning)
  • Cooling, dehumidification and reheat control (summer air conditioning)
  • Face and by-pass control
  • All year round air conditioning system
  • Zone control system

ALARMS AND SECURITY

  • Temperature sensors
  • Differential pressure sensors
  • Status alarm (e.g. pumps)
  • Valve actuators
  • Carbon monoxide and carbon dioxide sensors
  • Refrigerant sensors
  • Current sensors
  • Fire suppression and alarm sensors

ROOM AUTOMATION

  • Corporate boardrooms/presentation suites
  • Videoconferencing/video projectors
  • Lighting control system
  • Public address systems

ENERGY EFFICIENCY

  • Costs of fuels
  • Energy performance
  • Energy audit of your building
  • Case studies

THE SCADA (OR HMI) SYSTEM FOR BAS/DDC SYSTEMS

  • Basic implementation
  • Troubleshooting
  • Application of ASHRAE
  • Features
  • Remote control and monitoring
  • Basic HMI | small facility HMI | large facility HMI

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