Ch. 16 (Building Automation Systems) Flashcards

0
Q

V/D Cabling is not usually ___

A

Part of construction budget

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1
Q

BAS should consider:

A

Security & Access Control (CCTV)
HVAC
EMS (Energy Management System)

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2
Q

BAS Technologies are usually upgraded every ___ to ___ years

A

5 to 7

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3
Q

Total integrated systems approach can save on cabling by ___ %

A

25% - 40% savings

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4
Q

Who typically manages the BAS

A

Facilities manager

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5
Q

BAS analog inputs

A

Humidity & temperature

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6
Q

BAS digital inputs

A

Static pressure sensors.

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7
Q

Daylight harvesting saves approximately

A

4%

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8
Q

Lumen depreciation compensation

A

3 years, 70%

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9
Q

BACnet is an ___ standard

A

ANSI

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10
Q

EIB

A

European Installation Bus

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11
Q

EIB frequency

A

868 MHz

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12
Q

Voice and data work area

A

100 sq’

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13
Q

BAS device area

A

250 sq’

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14
Q

BAS recommended coverage area for a mechanical room

A

50 sq’

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15
Q

HCP

A

Horizontal connection point

16
Q

HCP should be located at least ___ from the TR

17
Q

A traditional BAS solution uses what size twisted-pair?

A

16 - 22 AWG

18
Q

Open office operational cost savings

19
Q

BAS backbone cabling

A

Can share multipair backbone cable

Should not share same binder groups within multipair cable

20
Q

BAS ___ interface with control equipment directly through cable sensors

A

System level controllers

21
Q

Night cycle

A

Maintains temperature limit during unoccupied periods by closing outside damper and cycling air handling unit

22
Q

Lumen depreciation compensation strategy energy savings over three year period

23
Q

BAS connecting point

24
BAS coverage area connections are reconfigured at the ___
HCP
25
Heat content
Selects air source, a combination of return and outdoor air requiring the least total heat removal for cooling
26
Commercial building lighting budget
30 to 40% of total electrical costs
27
Optimum stop
Minimizes HVAC operating time by calculating how long stored energy can maintain occupancy temperature at end of day
28
Energy management is an integral part of the ___ system
HVAC