38
5.7
Installation of control and monitoring devices
– Install the
room humidity sensor
and the
safety humidistat
at the same height as thermostats and
in a location where the measured humidity corresponds to that of the room. Under no circumstances
should the humidity sensors be positioned in the vicinity of the air flow from ventilator units or air
intake grids. Do not mount humidity sensors on an outer wall, where temperature fluctuations can
affect the control behavior.
– Install the
duct humidity sensor
in a position where the measured humidity corresponds to that of
the room that is being humidified (usually in the duct return circuit). Do not position humidity sensors
in the immediate vicinity of steam distribution pipes, nor in sections of a duct subject to air turbulence,
nor within the path of the humidification process itself.
– Install the safety humidistat in the duct, after the steam distribution pipes and far enough away
from these, that all the steam has been absorbed into the air (minimum distance 3 m). The safety
humidistat must be positioned such that it only detects that the humidity is too high when the room
humidity is in reality too high or has reached the saturation limit.
– Install the flow monitor such that reliably detects the existence of an airflow and the absence of an
airflow. Connect it in such a way, that the circuit is closed when airflow is present and opens when
there is no airflow.
– Before starting the humidifier, check all control and monitoring devices for correct function.
– Calibration of the control and monitoring devices (On/Off and continuous) following the installation
is recommended. The accuracy of the humidity sensor
and the safety humidistat must always be
checked before commissioning the humidifier system.
Summary of Contents for GS 120 OC
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