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APPENDIX5TYPEOFAIR

Type of air (for

numbering refer to

schematichereafter) AbbreviationColour

(drawings,layouts,

...) DefinitionTRANSFERRED air

(4) TRA Grey#808080128,128,128 (RGB)

Air passing from a

TREATED ROOM to

another TREATEDROOM.

EXTRACT air

(5) ETAYellow

#FFFFOO

255,255,0 (RGB)Airflowleavinga

TREATED ROOM.RECIRCULAT/ON air

(6) RCA Orange#FFA500255,165,0 (RGB)

Extract air which is

returned to the air

treatment system.

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EXHAUST air

(7) EHA Maroon

#800000

128,0,0 (RVB)Airflowdischargedtothe

atmosphere.SECONDARY air

(8) SEC Orange

#FFA500

255,165,0 (RGB)Airflow issued from a

room and returned to the

same room after any air

treatment (modificationof

temperature, water

weight, pressure andnumber of particles

(dust).

Note: only one or several

of the above physical

properties can be

modified.LEAKAGE

(9) LEA Grey#808080128,128,128 (RGB)

Unintended airflow

through leakage paths in

the system (WALL , door,

casing,duct...).INFILTRAT/ON

(10)INF Green

#008000

0,128,0 (RGB)Leakage of air into

building through the

leakage paths in

elements of structure

separating it from the

outdoor air.Type of air (fornumbering refer toschematic hereafter)

Abbreviation

Colour

(drawings, layouts,

...) Definition

EXFILTRATION

(11)

EXF Grey

#808080

128,128,128 (RGB)

Leakage of air out of

building through the

leakage paths in

elements of structure

separating it from the

outdoor air.

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MIXED air

(12)

MIA Red

#FFOOOO

256,0,0 (RGB)

Air made of two or

more streams of air.