Daikin SkyAir Service Manual page 45

General Functionality
Functions of the
thermistors
Thermistor
1
2
3
4
5
6
7
34
Wiring
Location
symbol
Indoor R2T Cooling
heat
exchanger
Heating
Indoor air R1T Cooling
return
Heating
Outdoor R2T Cooling
heat
Heating
exchanger
Outdoor R1T Cooling
ambient
Heating
Discharge R3T Cooling
pipe
Heating
Suction R4T Cooling
pipe
Heating
Inverter R5T Cooling
power
module
Heating
Mode
Compressor frequency control (target Te)
Inverter current protection control
Freeze-up control
Compressor frequency control (target Tc)
Inverter current protection control
Hot start control
Peak cut-off
Thermostat control
PMV control
General frequency control
Thermostat control
PMV control
General frequency control
Inverter current protection control
Inverter current protection control
Defrost control
Outdoor fan speed control
PMV control
Pressure difference control
Overall current protection control
Preheating operation control (RZQ71)
Defrost control
PMV control
Forced thermostat OFF
Overall current protection control
Preheating operation control (RZQ71)
Discharge superheat control
Expansion valve control
Crankcase heater / preheating control
Expansion valve control
Crankcase heater / preheating control
Expansion valve control (SH control)
Expansion valve control (SH control)
Suction pipe superheat protection control
Outdoor fan speed control
Inverter fin temperature control
Pressure difference control
Inverter fin temperature control
SiBE28-804
Function
Functional Description