Carrier 50CO Series Installation, Operation And Maintenance Instructions page 22

11 - TECHNICAL SPECIFICATIONS
Configuration:
To configure the sensor, switch it off and enter the desired settings by moving the switches as described below.
Once the settings have been configured, switch the sensor back on.
To configure the sensor, undo the 4 screws on the housing and open it. The switches allowing for various settings are then accessible.
Measurement scope settings - left-hand switch
To set a measurement scope, position switches 1, 2 and 3 of the measurement scopes as shown in the table below.
Sensor type
Pa
Measurement scopes of the CP112 on the scale ± 250 Pa scale depending on the measurement unit.
Standard scale and central zero setting - left-hand switch
To set the type of measurement scope, position switch 4 as shown opposite:
E.g. 0-250 Pa: Full scale/0
Setting the output - right-hand switch
To set this type of analogue output, position switch 1 of the output as shown opposite.
Setting the units – right-hand switch
To set a unit of measurement, position switches 2, 3 and 4 of the units as shown in the table below.
Once the sensor is in position, switch it on and carry out the autozero procedure to ensure the sensor operates
correctly in any position.
SERVICING
Avoid the use of aggressive solvents. When cleaning with formalin-based products (parts or ducts), protect the device.
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Switch
2
3
Off
(0/250 Pa)
Output settings
2
3
Unit settings
Off
Measurement
scope settings
Central zero/standard
scale setting
2
3
Combination 2
CP112
250
Configurations
Configurations Full scale
Combinations
Configurations
2
Combinations
3
2
Combinations
3