18
Temperature compensation transmitter
located on lower corner of the inside
surface of double pane window glass
B
A
North or northeast
facing window
B
A
B
C
(Air handling unit)
AHU
B
Return air
Relief air
D
Outside air
Point of vapor
absorption
Vapor absorption
has taken place
Air flow switch
(sail type
recommended
for VAV
application)
High limit humidistat
or high limit transmitter
(set at 90% RH max.)
placement for VAV
applications
10' min.
(3 meters)
Placement of sensing devices.
Installation
Installation:
Placement of sensing devices
Figure 18-1: Recommended sensor locations
A Best
B Alternative location
C Not recommended
D Best duct high limit humidistat
Humidifier tank
OM-3008
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