Ch 16 - Building Automation Sys Flashcards

1
Q

16-1 building automation system

BAS =

A

Except electrical contractor facilities

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2
Q

16–3 foundation for BAS integration

BAS cabling =

A

Not always addressed

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3
Q

16–3 foundation of BAS integration

Traditional BAS =

A

mechanical or electrical package/budget

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4
Q

16-3 foundation for BAS integration

BAS products and technologies =

A

upgraded every 5 to 7 years

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5
Q

16–4 foundation of BAS integration

Costs 25 to 40% =

A

Using a total systems integration approach

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6
Q

16–5 planning BAS distribution cabling

Facilities manager =

Telecom manager =

A

*BAS

* Voice and data

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7
Q

16–5 cable pathways

Combining pathway =

A

Reduce 50%

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8
Q

16–7 BAS controllers

Analog inputs (AI) =

A

Humidity temperature sensors

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9
Q

16–7 BAS controllers

digital inputs (DI) =

A

Static pressure sensors

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10
Q

16–10 fire alarm system

FA system =

(3)

A

* Detection

* suppression

* Notification

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11
Q

16–13 lighting control

Daylight harvesting =

(2)

A

* uses daylight to reduce artificial lighting

*saves 4% of energy consupmtion

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12
Q

16–13 lighting control

demand limiting =

A

Time-delayed dimming

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13
Q

16–24 lighting control

Lumen depreciation =

(2)

A

* Fluorescent

* 13% engery savings

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14
Q

16–31 building automation and control network (BACnet)

BACnet =

A

ANSI standard

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15
Q

16–34 BACnet

EIB supports =

A

868 MHz band

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16
Q

16–46 coverage area

Calculate =

(2)

A

* Work area 100 ft.²

* BAS device 250 ft.²

17
Q

16–47 recommended work and coverage area sizes

Mechanical room BAS=

A

May-50

18
Q

16.48 horizontal connection point (HCP)

HCP =

A

49ft

19
Q

16–49 horizontal cabling

BAS copper =

A

16 AWG to 22 AWG

20
Q

16–50 for reducing costs with open house horizontal cabling

Open office =

A

25 to 40%MAC’s

21
Q

16–56 backbone cabling

BAS backbone=

(2)

A

* Can share backbone

* Should not share binder group

22
Q

16–66 references

862 standard =

A

Building automation cabling standard for commercial