Fujitsu AOU12RL2 - Manual

Fujitsu AOU12RL2

Fujitsu AOU12RL2 – Manual, read for free online in PDF format. We hope this helps you resolve any issues you may have. If you have further questions, please contact us through the contact form.

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Table of Contents:

  • Page 2 – CONTENTS; DESCRIPTION OF EACH CONTROL OPERATION; DEFROST OPERATION CONTROL
  • Page 5 – WALL MOUNTED type; INVERTER
  • Page 6 – ( Table 2 : Limit of maximum speed based on outdoor temperature )
  • Page 8 – AUTO CHANGEOVER OPERATION; mode from among the Heating, Cooling, Dry and Monitoring modes.
  • Page 9 – INDOOR FAN CONTROL; Hi mode
  • Page 11 – OUTDOOR FAN CONTROL; between AC motor and DC motor.
  • Page 12 – VERTICAL LOUVER CONTROL; Types of Air flow Direction Setting:; Range; To select Vertical Airflow Swing Operation
  • Page 13 – COMPRESSOR CONTROL; OPEARTION FREQUENCY RANGE; shown in the Table 11.; OPEARTION FREQUENCY CONTROL AT NORMAL START UP
  • Page 14 – TIMER OPEARTION CONTROL; -1 WIRELESS REMOTE CONTROLLER
  • Page 17 – COMPRESSOR PREHEATING; ECONOMY OPERATION; POWERFUL OPERATION
  • Page 18 – DEFROST OPERATION CONTROL; CONDITION OF STARTING THE DEFROST OPERATION; Release Condition
  • Page 19 – Defrost Flow Chart; and outdoor heat exchanger temperature as follows.
  • Page 20 – OFF DEFROST OPEARTION CONTROL; OFF DEFROST OPERATION CONDITION; OFF DEFROST END CONDITION
  • Page 21 – VARIOUS PROTECTIONS; DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL
  • Page 22 – COOLING PRESSURE OVERRISE PROTECTION; Outdoor temperature
  • Page 23 – . TROUBLE SHOOTING
  • Page 24 – Please refer the flashing pattern as follows.; Error Contents
  • Page 25 – -2 TROUBLE SHOOTING WITH ERROR CODE; Trouble shooting 1-1; OK; Serial communication error; referring to Installation Manual or Data &; Refer to error code table.
  • Page 27 – Trouble shooting 2; Indoor unit Controller PCB; Change Controller PCB.
  • Page 28 – Trouble shooting 3; INDOOR UNIT; INDOOR UNIT Error Method:; Manual auto switch error; Check Point 1 : Check the Manual auto switch; Check Point 2 : Replace Controller PCB
  • Page 29 – Trouble shooting 4; Check Point 1 : Check connection of Connector; Temperature; Room temp. sensor error; If the voltage does not appear, replace Controller PCB.
  • Page 30 – Trouble shooting 5; sensor error
  • Page 31 – Indoor unit fan motor error
  • Page 32 – Trouble shooting 7; Outdoor unit Main PCB
  • Page 33 – Trouble shooting 8; OUTDOOR UNIT Error Method:; PFC circuit error; If Check Point 1, 2 do not improve the symptom, change Main PCB.
  • Page 34 – Trouble shooting 9
  • Page 35 – Trouble shooting 10; Discharge temp. sensor error; If the voltage does not appear, replace Main PCB.
  • Page 37 – Outdoor temp. sensor error
  • Page 38 – Check Point 4 : Replace Main PCB; Current sensor error; Check external cause at Indoor and Outdoor
  • Page 39 – If Check Point 1 ~ 3 do not improve the symptom, change Main PCB.
  • Page 40 – Compressor rotor position; If Check Point 1,2 do not improve the symptom, change Main PCB.; Check Point 1 : Check Noise from Compressor; If an abnormal noise show, replace Compressor.; If Check Point 3 do not improve the symptom, change Compressor.
  • Page 41 – Outdoor unit fan motor error; If the voltage is not correct, replace Main PCB.
  • Page 42 – If defective, replace the thermistor
  • Page 43 – Trouble shooting 18
  • Page 44 – Trouble shooting 19; Indoor Unit - No Power; Power supply failure 2. External cause; to Installation Manual or Data & Technical Manual.; -3 TROUBLE SHOOTING WITH NO ERROR CODE; Check Point 3 : Check Electrical Components; >> If Fuse is open, check if the wiring between Terminal and Main PCB
  • Page 45 – Outdoor Unit - No Power
  • Page 46 – If the symptom does not change by above Check 1, 2, replace Main PCB.
  • Page 47 – Attention; Trouble shooting 22; No Cooling / No Heating; referring to Installation Manual or Data & Technical
  • Page 48 – Abnormal Noise; Diagnosis method when abnormal noise is occurred; Water Leaking; Erroneous installation 2. Drain hose failure
  • Page 49 – SERVICE PARTS INFORMATION 1; Compressor; Compressor is considered (Locked; Replace Compressor; Defective Compressor; -4 SERVICE PARTS INFORMATION
  • Page 50 – SERVICE PARTS INFORMATION 2; Check Point 1 : Check Connection; Inverter Compressor; Check terminal connection of Compressor; If the resistance value is 0 or infinite, replace Compressor.
  • Page 51 – DC; Outdoor unit Electronic Expansion Valve; If Resistance value is abnormal, replace EEV.
  • Page 52 – SERVICE PARTS INFORMATION 5; Outdoor unit fan motor; SERVICE PARTS INFORMATION 4; Indoor unit fan motor
  • Page 57 – Entering the Function Setting Mode; -1-2 Procedures to change the Function Setting for wireless RC; Setting the Remote controller Signal Code; the signal in the FUNCTION SETTING.; FUNCTION SETTING METHOD (for Wireless remote controller)
  • Page 58 – Selecting the Function Number and Setting Value; power and turn it on again.; CAUTION; (Press the MODE button to switch between the left and right digits.)
  • Page 59 – REMOTE CONTROLLER SIGNAL CODE SETTING; until you find the code which operates the air conditioner.
  • Page 60 – Room temperature thermistor; Discharge thermistor; Thermistor Resistance Values
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SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED

type

Models Indoor unit

Outdoor unit

INVERTER

SERVICE

INSTRUCTION

R410A

ASU09RL2

ASU12RL2

AOU09RL2

AOU12RL2

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Summary

Page 2 - CONTENTS; DESCRIPTION OF EACH CONTROL OPERATION; DEFROST OPERATION CONTROL

CONTENTS 1. DESCRIPTION OF EACH CONTROL OPERATION 1. COOLING OPERATION................................................................................................ 3. DRY OPERATION......................................................................................................... 2. HEATING ...

Page 5 - WALL MOUNTED type; INVERTER

1 . DESCRIPTION OF EACH CONTROL OPERATION R410A WALL MOUNTED type INVERTER

Page 6 - ( Table 2 : Limit of maximum speed based on outdoor temperature )

( Fig.1 : Outdoor temperature zone ) 1. COOLING OPERATION A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. Minimum frequen...

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