%3*45&&.7BQPSMPHJD*OTUBMMBUJPOBOE0QFSBUJPO.BOVBMt1BHF
4UFQo'JFMEXJSJOH
4FOTPSQMBDFNFOU
Installation
Figure 27-1:
Recommended sensor location
Outside air
Relief air
Return air
Air handling
unit
8' to 12'
(2.4 m to 3.7 m)
min.
Steam dispersion assembly
Turning vanes
Temperature compensation option: Place a temperature compensation sensor 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
Airflow switch or differential pressure switch (sail type
recommended for VAV applications)
High limit humidistat or high limit transmitter (set at 90%
RH maximum) for VAV applications
Damper control
C
A
E
F
D
B
E
F
G
F
DC-1084