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ELECTRICAL INSTALLATION
4.6.4 Analog Output Test
The Analog Output Test screen performs two functions:
• Automatic test: Displays the current state of the valves (functioning or not functioning)
• Manual test: Tests their response to a test signal
If there is a non-functioning (analog-output controlled) valve, a message appears on the main screen.
4.6.4.1 Automatic Test
Automatic testing shows the current state of the valves.
1. Go to Test > Analog Output.
2. The screen displays the following:
• When the test is set to Auto, the screen displays the status of active dosing valves.
Active valves display a voltage under Meas.
If the status (under Fail) is ON, the valve is closed.
In the screen above, valves 1 – 4 are active, but they are closed.
DESCRIPTION
EC = 0 – A/D = 205
EC = 2.0 – A/D = 370
EC sensor
EC = 10.0 – A/D = 1024
RH% = 0 – A/D = 0
RH% = 50 – A/D = 308
Humidity sensor
RH% = 100 – A/D = 620
T°C = 0 – A/D = 768
T°C = 25 – A/D = 489
Temp sensor
T°C = 50 – A/D = 250
SENSOR TYPE
NMC-PRO Installation Manual
Page
45
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