(OLD) Ch 16 - Building Automation Sys Flashcards
16–3 foundation for BAS integration
BAS cabling =
Not always addressed
16-1 building automation system
BAS =
Except electrical contractor facilities
16–3 foundation of BAS integration
Traditional BAS =
2
The budget
16–4 foundation of BAS integration
Costs 25 to 40% =
Using a total systems integration approach
16–5 planning BAS distribution cabling
Facilities manager =
Telecom manager =
BAS
Voice and data
16–5 cable pathways
Combining pathway =
Reduce 50%
16–7 BAS controllers
Analog inputs (AI) =
Humidity temperature sensors
16–7 BAS controllers
digital inputs (DI) =
Static pressure sensors
16–10 fire alarm system
FA system =
3
- Detection
- suppression
- Notification
16–13 lighting control
Daylight harvesting =
Daylight to reduce =
4%
16–13 lighting control
demand limiting =
Time-delayed dimming
16–24 lighting control
Lumen depreciation =
2
Fluorescent
13%
16–31 building automation and control network (BACnet)
BACnet =
ANSI standard
16–34 BACnet
EIB supports =
868 MHz band
16–46 coverage area
Calculate =
2
Work area 100 ft.²
BAS device 250 ft.²
16–47 recommended work and coverage area sizes
Mechanical room BAS=
5/50
16.48 horizontal connection point (HCP)
HCP =
49ft
16–49 horizontal cabling
BAS copper =
16 AWG to 22 AWG
16–50 for reducing costs with open house horizontal cabling
Open office =
25 to 40%
MAC’s
16–56 backbone cabling
BAS backbone=
2
Can share backbone
Should not share binder group
16–66 references
862 standard
Building automation cabling standard for commercial
