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Midea MC-SU30-RN1L Service Manual

Midea MC-SU30-RN1L
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Aqua Tempo Super II
201709 31
Part 3
- Control
8 Role of Temperature Sensors in Control Functions
Table 3-8.1: Names and functions of the temperature sensors
Number
Sensor name
1
Sensor
code
Mode
Control functions
1
Discharge pipe temperature sensor 1/ Discharge pipe
temperature sensor 2
Tp1/Tp2
Heating
Crankcase heater control
1
Electronic expansion valve control
2
Compressor output control
3
Discharge temperature protection
control
4
Cooling
Crankcase heater control
1
Compressor output control
3
Discharge temperature protection
control
4
2
Outdoor ambient temperature sensor
T4
Heating
Crankcase heater control
1
Electric auxiliary heater control
Water flow switch heater control
Compressor output control
3
Electronic expansion valve control
2
Outdoor fan control
5
Cooling
Crankcase heater control
1
Compressor output control
3
Defrosting operation control
6
Electronic expansion valve control
2
Outdoor fan control
5
3
Air side heat exchanger refrigerant outlet temperature
sensor
T3
Heating
Outdoor fan control
5
Electronic expansion valve control
2
Cooling
Defrosting operation control
6
Air side heat exchanger high
temperature protection control
7
4
Total cooling outlet temperature sensor
TZ/7
Heating
None
Cooling
Outdoor fan control
5
Compressor output control
3
Air side heat exchanger high
temperature protection control
7
5
Water side heat exchanger anti-freezing temperature
sensor1/Water side heat exchanger anti-freezing
temperature sensor 2
Taf1/
Taf2
Heating
None
Cooling
Water side heat exchanger heater
control
Water side heat exchanger anti-freeze
protection control
8
Water side heat exchanger low
temperature protection control
9
6
Suction pipe temperature sensor
Th
Heating
Electronic expansion valve control
2
Cooling
Electronic expansion valve control
2
7
Water inlet temperature sensor
Twi
Heating
Water flow switch heater control
Cooling
Electronic expansion valve control
2
Compressor output control
3
Water flow switch heater control
Water side heat exchanger anti-freeze
protection control
8
Water side heat exchanger
temperature difference protection
control
10
8
Water outlet temperature sensor
Two
Heating
Compressor output control
3
Water flow switch heater control
Cooling
Compressor output control
3
Defrosting operation control
6
Water flow switch heater control
Water side heat exchanger anti-freeze
protection control
8
Water side heat exchanger
temperature difference protection
control
10

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Midea MC-SU30-RN1L Specifications

General IconGeneral
BrandMidea
ModelMC-SU30-RN1L
CategoryChiller
LanguageEnglish

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