DriSteem Vaporstream Especificaciones descargar pdf (Pagina 66)

P a g e 6 2 • D R I - S T E E M D e s i g n G u i d e

D R I - S T E E M D e s i g n G u i d e • P a g e 6 3

A This is the ideal sensing location because this placement

ensures the best uniform mix of dry and moist air with stable

temperature control.

B This location is acceptable, but the room environment may

affect controllability such as when the sensor is too close to air

grilles, registers, or heat radiation from room lighting.

C This location is acceptable because it provides a good uniform

mixture of dry and moist air, but if an extended time lag exists

between moisture generation and sensing, make sure the control

contractor extends the sampling time.

D This location behind a wall or partition is acceptable for

sampling the entire room if the sensor is near an air exhaust

return outlet. This location is also typical of sensor placement

for sampling a critical area.

E These locations are not acceptable because they may not

represent actual overall conditions in the space.

F These locations are not acceptable. Do not place sensors near

windows, door passageways, or areas of stagnant airflow.

G This is the best location for a duct high limit humidistat or

humidity sensor.

Figure 62-1:

Recommended sensor locations

Outside air

Relief air

Return air

AHU

8' to 12'

(2.4 m to 3.7 m)

minimum

Humidier dispersion

assembly

Turning vanes

% RH offset option: Place a temperature compensation

transmitter on the lower corner of the inside surface of double-

pane window glass on north or northeast facing window

Window

Doorway

Window

Point of vapor absorption

Vapor absorption has taken

place

Airow switch (sail type)

or differential pressure

switch recommended for

VAV applications)

High limit humidistat or

high limit transmitter (set at

90% RH maximum) for VAV

applications

Damper control

E F

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