Table 21 - Sensor Min/max Outputs - Quantech QTC4 STYLE A Series Installation Operation & Maintenance
Air-cooled screw liquid chillers with variable speed drive, 150 - 500 tons, 525 - 1750 kw, 2 compressor, 60 hz.
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SECTION 8 - MICROPANEL
Sensor Displays
Table 21 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
122
SYSTEM SENSOR
TYPE
Transducer
Transducer
Transducer
Transducer
Switch
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
Thermistor
4 to 20ma, 0 to 10VDC,
0 to 20ma or 2 to 10VDC
4 to 20ma, 0 to 10VDC,
0 to 20ma or 2 to 10VDC
4 to 20ma, 0 to 10VDC,
0 to 20ma or 2 to 10VDC
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)
-4.6 °F (-20.33°C)
-30.2 °F (-34.56°C)
40.3 °F (4.61°C)
0%
0%
0%
FORM QTC4-NM1
ISSUE DATE: 4/2/2018
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%
QUANTECH
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