Setra System Model SRH - Manual (Page 2)

2
5.1
130
Outside Air Mounting Plate
Model SRH
Outside Air Unit
shown w/Porous Weather
Shield
3.72
94
Model SRH
Duct Unit
shown w/sensing probe
Duct Mount Base
1.11
28
X2
0.180
5
in.
mm
in.
mm
4.05
103
5.00
127
X2
0.550
14
2.81
71
3.31
84
1.75
44
2.2 Duct Mount
For proper operation, it is necessary to locate the transmitter in the center of a section of duct
that receives adequate air flow. Conversely, it must be free of fans, corners, heating/cooling
coils, or any other equipment/ environmentals that could adversely affect relative humidity
measurement.
Insert sensing probe through hole (5/8” dia. minimum) and attach full assembly via
the two mounting holes on each side.
2.3 Outside Air Mount
The outside air configuration is supplied with a mounting bracket and two 10-16 x 1/2’ hex
head screws. Locate a position on the building that is clear of exhaust ducts, high exposure
to the sun, direct rain, or other outdoor factors that could adversely affect the operation of
the unit. Ideally, a sheltered area (under an eave) on the north side of the building is best to
protect from the above effects.
2.69
68
X8
0.325
8.3
X2
0.154
4