Tsi IAQ50 Manuel d'utilisateur télécharger pdf (Page 18)

IMPORTANT:

Temperature readings should be taken at

the Air Handling Unit only, since there may

be components in the system that change

the temperature that are not evident upon

initial examination. Calculating Outside Air

measurements by taking readings at the

supply air to a room will not give the

correct answer. Reheat coils and chiller

coils will change the temperature of the

readings and give incorrect answers.

The general procedure for either method

is to take a reading in each of three

modes: return air, outside air, and sup-

ply air. Pressing ENTER while in %OA

mode will store all three samples and

then give you the calculated value on the

display. You may use the 5 or 6 keys

to move from mode to mode. You may

press the NEXT TEST key at any time to

exit back to normal sampling.

Note: You may press the %OA key at

any time during the following proce-

dure to exit without saving any data

and to return to normal sampling.

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Tsi IAQ50 Manuel d'utilisateur Page 18