GESTRA NRR 2-40 - Contents - Continued; Test; Operation; Nrr 240

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NRR 240
Operation
Normal operation, controller is working.
The green LEDs 2 and 3 are flashing when the
external control valve is being opened or closed.
All LEDs go out once the setpoint is reached.
The LED “Power” is illuminated.
Test
NRR 240
Hold down button .
LED 4 goes out.
A MIN alarm is simulated for
switchpoint 4.
Press button
briefly.
The test mode (relay test) remains active for 5
seconds.
Hold down button .
LED 1 goes out.
A MAX alarm is simulated for
switchpoint 1.