16
Temperature and Humidity Sensor
– Outdoor Mount
If exterior mounted temperature and humidity sensors are called for in the specifications, follow the instructions
in this section.
An outdoor temperature and humidity sensor
(PN: A/RH3-CP-O10) shall be mounted in an
outdoor location that is free from direct
weather and sunlight. This can be under an
eave, intake, or any other area that is out of
the elements.
shows a detail and terminology of
the sensor. The sensor probe must be facing
downward. Mount the sensor in the desired
location using screws inserted into the
mounting flanges. Use EMT conduit where
sensor wiring would be exposed to the
elements when routing wire back to the
RTULink control board. When holes are
made for connecting conduit to the knockout,
make sure that they are properly sealed with
liquid tight fittings to prevent moisture from
entering the sensor housing. Standard 18-5
thermostat wire should be used for sensor
wiring.
The sensor has a bank of eight dip switches
that control the range of the output voltage of
the humidity sensor. Switches seven (7) and
eight (8) need to be turned ON and the rest
should remain OFF. These dip switches can be seen in the sensor detail in
an outside air temperature and
humidity sensor connecting to
the
“RTU” Input 1 on the
RTULink.
Once the sensor is wired to an
input, enter the configuration
menu via the onboard HMI and
configure the corresponding
input for the Outdoor Air humidity
sensor that was installed. In the
above example, “RTU IN 1”
would be configured for “OA
RH”.
Figure 16. RTULink - Outside Air Temp and RH
Figure 15. Outdoor Temperature/Humidity Sensor
Содержание RTULink
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Страница 55: ...55 Differential Enthalpy Economizer Figure 37 Differential Enthalpy Economizer Operation...