Ch. 16 (Building Automation Systems) Flashcards Preview

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Flashcards in Ch. 16 (Building Automation Systems) Deck (29)
0

BAS should consider:

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

1

V/D Cabling is not usually ___

Part of construction budget

2

BAS Technologies are usually upgraded every ___ to ___ years

5 to 7

3

Total integrated systems approach can save on cabling by ___ %

25% - 40% savings

4

Who typically manages the BAS

Facilities manager

5

BAS analog inputs

Humidity & temperature

6

BAS digital inputs

Static pressure sensors.

7

Daylight harvesting saves approximately

4%

8

Lumen depreciation compensation

3 years, 70%

9

BACnet is an ___ standard

ANSI

10

EIB

European Installation Bus

11

EIB frequency

868 MHz

12

Voice and data work area

100 sq'

13

BAS device area

250 sq'

14

BAS recommended coverage area for a mechanical room

50 sq'

15

HCP

Horizontal connection point

16

HCP should be located at least ___ from the TR

49'

17

A traditional BAS solution uses what size twisted-pair?

16 - 22 AWG

18

Open office operational cost savings

25 - 40%

19

BAS backbone cabling

Can share multipair backbone cable
Should not share same binder groups within multipair cable

20

BAS ___ interface with control equipment directly through cable sensors

System level controllers

21

Night cycle

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

22

Lumen depreciation compensation strategy energy savings over three year period

13%

23

BAS connecting point

TR

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