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Guide H Building control systems (2009)
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Guide H Building control systems (2009)

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Good controls are essential for the safe and efficient operation of a modern building. A control system must not only keep the inside of a building comfortable for the occupants, it must also keep the HVAC plant operating efficiently, and be capable of two-way communication with personnel charged with its operation. The complexity of systems varies, but whatever the size of the structure, good controls maximise energy conservation and reduce harmful emissions.

Guide H covers all the key areas without relying too heavily on purely mathematical formulas, making it easy-to-read and accessible to all professions related to the design, construction and maintenance of a building. You cannot afford to ignore this vital ingredient to a building’s overall success, and this publication will ensure you have the information necessary to meet your control system requirements.

Note: CIBSE's Knowledge Programme Sub-Committee has reviewed this title (Summer 2018) and requested that users are made aware that some its content is out of date. Users should use the content with special care until updated knowledge is made available to replace it.


1         Introduction: the need for controls

1.1         Overview of Guide H
1.2         Modern control systems
1.3         Sustainable development and the global environment
1.4         The indoor environment
1.5         Energy efficiency
1.6         Information technology and systems integration
1.7         Building operation
1.8         Benefits of a BMS
1.9         Summary

2         Control fundamentals

2.1         General
2.2         Control modes
2.3         Optimum start
2.4         Weather compensation
2.5         Stability and tuning
2.6         Artificial intelligence
2.7         Summary

3         Components and devices

3.1         Sensors
3.2         Actuators
3.3         Valves
3.4         Dampers
3.5         Motors
3.6         Pumps and fans
3.7         Control panels and motor control centres
3.8         The intelligent outstation
3.9         Summary

4         Systems, networks and integration

4.1         General
4.2         BMS development history
4.3         Networks
4.4         System integration
4.5         User interface
4.6         Summary

5         Control strategies for subsystems

5.1         Safety
5.2         Boilers
5.3         Chillers
5.4         Control of hydraulic circuits
5.5         Central air handling plant
5.6         Energy recovery
5.7         Mechanical ventilation
5.8         Variable air volume
5.9         Constant-volume room terminal units
5.10       Fan coil units
5.11       Dual duct systems
5.12       Chilled ceilings and beams
5.13       Heat pumps
5.14       Natural ventilation
5.15       Lighting controls
5.16       Summary

6         Control strategies for buildings

6.1         General
6.2         Operating modes
6.3         Design techniques
6.4         Whole-building HVAC systems
6.5         Case studies
6.6         Summary

7         Use of BMS-derived data

7.1         Energy monitoring
7.2         Fault reports and maintenance scheduling
7.3         Summary

8         Management issues

8.1 Procurement options 8-1
8.2 Design and specification of a controls system 8-4
8.3 Tendering process 8-8
8.4 Commissioning 8-8
8.5 Operation 8-14
8.6 Occupant surveys 8-15
8.7 Cost issues 8-15
8.8 Summary 8-17

References 8-17

Appendix A1: Tuning rules A1-1
Appendix A2: Glossary A2-1
Index I-1

Steering Committee:
Chair: Peter Warburton (Arup)
Members and contributors: John Armstrong; David Arnold; Vic Crisp (CIBSE); Ted Glenny (Philips); Martyn Harrold (Arup); Trevor Hodgson (Arup); Richard Knight; Peter McDermott (Buro Happold); Peter Tuohy (Playford and Son)

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