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12.3
INSTALLATION OF SENSORS (F,G)
Proceed with installation of the machine in the system by fixing the sensors (suitable for the use and in particular for the Atex
environment considered) in their special seats and connecting them to the control system according to the sensor instructions and
system diagram:
F)
Pressure sensor
The pressure sensor installed must be suitably set to the maximum positive or negative pressure specified on the rating plate or
according to system operation limits.
This signal must be connected to an alarm and stop device (non-automatic reset) that automatically shuts off the power to the machine.
G) Temperature sensor
The temperature sensor must be adjusted to intervene, shutting off the power to the machine at a temperature not exceeding 125°C.
This signal must be connected to an alarm and stop device (non-automatic reset) that automatically shuts off the power to the machine.
Danger of explosion!
The unit is designed to be used for conveying flammable gas and is sealed.
Do not start the machine before connecting and activating the unit and system surveillance system
.
ATTENTION
The position shown allows the monitoring of any impeller unbalance due to deposits on the blades
G 1/4” threaded hole for
connection of
PRESSURE SENSOR (delivery)
G 1/4” threaded hole for
connection of
PRESSURE SENSOR (suction)
G 1/4” threaded hole
for connection of
TEMPERATURE SENSOR (delivery side)
ENERGOEKONOM spol. s r.o., Wolkerova 433, CZ-250 82 Úvaly, Czech Republic, Tel.: +420 281 981 055, [email protected], www.energoekonom.cz
