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SiUS04-702
Control Specification (15/18/24 Class)
Function and Control
59
4.13 Malfunctions
4.13.1 Sensor Malfunction Detection
Sensor malfunction may occur either in the thermistor or current transformer (CT) system.
Relating to Thermistor Malfunction
1. Outdoor heat exchanger thermistor
2. Discharge pipe thermistor
3. Fin thermistor
4. Outside air thermistor
Relating to CT Malfunction
When the output frequency is more than 55 Hz and the input current is less than 1.25A, carry out
abnormal adjustment.
4.13.2 Detection of Overload and Over Current
Outline
In order to protect the inverter, detect an excessive output current, and for protecting compressor,
monitor the OL operation.
Detail
If the OL (compressor head) temperature exceeds 248~266°F (depending on the model),
the compressor gets interrupted.
If the inverter current exceeds 30 A, the compressor gets interrupted too.
4.13.3 Insufficient Gas Control
Outline
If a power consumption is below the specified value in which the frequency is higher than the
specified frequency, it must be regarded as gas insufficient.
In addition to such conventional function, if the discharge temperature is higher than the target
discharge pipe temperature, and the electronic expansion valve is fully open (450 pulses) more
than the specified time, it is considered as an insufficient gas.
With the conventional function, a power consumption is weak comparing with that in the normal
operation when gas is insufficient, and gas insufficiency is detected by checking a power
consumption.
When operating with insufficient gas, although the rise of discharge pipe temperature is great and
the electronic expansion valve is open, it is presumed as an insufficient gas if the discharge pipe
temperature is higher than the target discharge pipe temperature.
Refer to “Insufficient Gas” on page 164 for detail.
Frequency
Power consumption
Insufficient gas zone
55 Hz
(R2834)
Gas insufficient
zone
(R1391)
Содержание FTXS09DVJU
Страница 1: ...SiUS04 702 Applied Models z Inverter Pair Heat Pump Inverter Pair Wall Mounted Type D Series...
Страница 12: ...SiUS04 702 List of Functions 1 Part 1 List of Functions 1 List of Functions 2...
Страница 14: ...SiUS04 702 Specifications 3 Part 2 Specifications 1 Specifications 4...
Страница 76: ...SiUS04 702 Instruction Operation Manual 65 2 2 FTXS09 12DVJU 2 2 1 Names of Parts...
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Страница 86: ...SiUS04 702 Instruction Operation Manual 75 2 2 5 POWERFUL Operation...
Страница 87: ...Instruction SiUS04 702 76 Operation Manual 2 2 6 OUTDOOR UNIT QUIET Operation...
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Страница 111: ...Instruction SiUS04 702 100 Operation Manual 2 3 5 POWERFUL Operation...
Страница 112: ...SiUS04 702 Instruction Operation Manual 101 2 3 6 OUTDOOR UNIT QUIET Operation...
Страница 113: ...Instruction SiUS04 702 102 Operation Manual 2 3 7 HOME LEAVE Operation...
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Страница 115: ...Instruction SiUS04 702 104 Operation Manual 2 3 8 INTELLIGENT EYE Operation...
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Страница 191: ...Check SiUS04 702 180 Service Diagnosis...
Страница 247: ...RX09 12FVJU SiUS04 702 236 Removal Procedure When reassembling make sure to fit the hook Step Procedure Points...
Страница 254: ...SiUS04 702 RX09 12FVJU Removal Procedure 243 5 Pull the sound blanket bottom out Step Procedure Points...
Страница 259: ...RX09 12FVJU SiUS04 702 248 Removal Procedure 4 Lift the compressor up and remove it Step Procedure Points...
Страница 290: ...SiUS04 702 Others 279 Part 8 Others 1 Others 280 1 1 Test Run from the Remote Controller 280 1 2 Jumper Settings 281...
Страница 293: ...Others SiUS04 702 282 Others...
Страница 305: ...SiUS04 702 vi Index...