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SECTION 8 - MICROPANEL
Sensor displays
Table 21 on page 138 lists all the sensors attached
to the control board associated with system data keys.
The minimum and maximum values displayed on the
micro display are provided.
Table 21 - Sensor min/max outputs
Sensor/input
Suction Pressure
Condenser Liquid Pressure
Discharge Pressure
Oil Pressure
Flash Tank Level
Condenser Liquid Temp
Leaving Chilled Liquid Temp
Return Chilled Liquid Temp
Eductor Temp
Ambient Air Temp
Compressor Motor Temp
Discharge Temp
Remote Temp Reset
Remote Current Limit
Remote Sound Limit
138
System sensor
Type
Transducer
Transducer
Transducer
Transducer
Switch
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
4 mA to 20 mA, 0 VDC to 10 VDC,
0 mA to 20 mA or 2 VDC to 10 VDC
4 mA to 20 mA, 0 VDC to 10 VDC,
0 mA to 20 mA or 2 VDC to 10 VDC
4 mA to 20 mA, 0 VDC to 10 VDC,
0 mA to 20 mA or 2 VDC to 10 VDC
If values exceed the limits in the table, a < (less than)
or > (more than) sign will be display along with the
minimum or maximum value.
Minimum value
0.0 psig (0 barg)
0.0 psig (0 barg)
0.0 psig (0 barg)
0.0 psig (0 barg)
Low
-4.1°F (-20.06°C)
-19.1°F (-28.49°C)
-19.1°F (-28.49°C)
-4.1°F (-20.06°C)
-14.6°F (-25.89°C)
-30.2°F (-34.56°C)
40.3°F (4.61°C)
0%
0%
0%
Form 201.28-NM1.1
Issue date: 08/06/2021
Maximum value
125.0 psig (8.62 barg)
400.0 psig (27.6 barg)
400.0 psig (27.6 barg)
400.0 psig (27.6 barg)
High
155.6°F (68.67°C)
110.2°F (43.44°C)
110.2°F (43.44°C)
132.8°F (56.00°C)
137.9°F (58.83°C)
302.0°F (150.00°C)
302.6°F (150.33°C)
100%
100%
100%
JOHNSON CONTROLS
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