29
(VFD not shown)
Fig 13 – Sensors, actuators location (end)
2.6.4 Temperature sensors:
The system uses temperature sensors to measure and control the temperatures in the unit. There are three types
of temperature sensors, 5K thermistor (standard), 10K thermistor and RTD (three wires) based on the IOB
channel configurations.
Wiring information (see chiller wiring diagram)
Entering chilled water temperature
Leaving chilled water temperature
Entering condenser water temperature
Leaving condenser water temperature
Evap. refrigerant liquid temperature
Compressor Discharge temperature
Motor winding temperature 1
The temperature sensor range is -40 ~ +118°C.
Table 1a – Temperature sensors
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