JOHNSON CONTROLS
138
SECTION 8 - MICROPANEL
Form 201.28-NM1.1
Issue date: 08/06/2021
Sensor displays
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
System sensor
Sensor/input
Type
Minimum value
Maximum value
Suction Pressure
Transducer
0.0 psig (0 barg)
125.0 psig (8.62 barg)
Condenser Liquid Pressure
Transducer
0.0 psig (0 barg)
400.0 psig (27.6 barg)
Discharge Pressure
Transducer
0.0 psig (0 barg)
400.0 psig (27.6 barg)
Oil Pressure
Transducer
0.0 psig (0 barg)
400.0 psig (27.6 barg)
Flash Tank Level
Switch
Low
High
Condenser Liquid Temp
Thermistor
-4.1°F (-20.06°C)
155.6°F (68.67°C)
Leaving Chilled Liquid Temp
Thermistor
-19.1°F (-28.49°C)
110.2°F (43.44°C)
Return Chilled Liquid Temp
Thermistor
-19.1°F (-28.49°C)
110.2°F (43.44°C)
Eductor Temp
Thermistor
-4.1°F (-20.06°C)
132.8°F (56.00°C)
Ambient Air Temp
Thermistor
-14.6°F (-25.89°C)
137.9°F (58.83°C)
Compressor Motor Temp
Thermistor
-30.2°F (-34.56°C)
302.0°F (150.00°C)
Discharge Temp
Thermistor
40.3°F (4.61°C)
302.6°F (150.33°C)
Remote Temp Reset
4 mA to 20 mA, 0 VDC to 10 VDC,
0 mA to 20 mA or 2 VDC to 10 VDC
0%
100%
Remote Current Limit
4 mA to 20 mA, 0 VDC to 10 VDC,
0 mA to 20 mA or 2 VDC to 10 VDC
0%
100%
Remote Sound Limit
4 mA to 20 mA, 0 VDC to 10 VDC,
0 mA to 20 mA or 2 VDC to 10 VDC
0%
100%
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.
