Daikin FTKS60FV1B Specifications Page 91

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Function of Main Structural Parts SiBE12-713
80 Function and Control
2.2.2 Cooling Only Model
A Outdoor Heat
Exchanger
Thermistor
1. The outdoor heat exchanger thermistor is used for controlling target discharge temperature.
The system sets a target discharge temperature according to the outdoor and indoor heat
exchanger temperature, and controls the electronic expansion valve opening so that the
target discharge temperature can be obtained.
2. The outdoor heat exchanger thermistor is used for detecting disconnection of the discharge
thermistor when cooling.
When the discharge pipe temperature becomes lower than the outdoor heat exchanger
temperature, the discharge pipe thermistor is judged as disconnected.
B Discharge
Pipe Thermistor
1. The discharge pipe thermistor is used for controlling temperature of the discharge pipe.
If the temperature of discharge pipe (used in place of the inner temperature of the
compressor) rises abnormally, the operating frequency drops or the operation halts.
2. The discharge pipe thermistor is used for detecting disconnection of the discharge
thermistor.
C Gas Pipe
Thermistor
1. In cooling, the gas pipe thermistors are used for gas pipe isothermal control.
The system controls electronic expansion valve opening so that gas pipe temperature in
each room becomes equal.
EV
B
EV
C
EV
D
EV
A
Compressor
Expansion valve
A
B
C
D
(R4601)
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