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AIR CONDITIONER
OUTDOOR UNIT
INSTALLATION MANUAL
For authorized personnel only.
INSTALLATIONSANLEITUNG
Nur für autorisiertes Personal.
MANUEL D'INSTALLATION
Pour le personnel agréé uniquement.
MANUAL DE INSTALACIÓN
Solo para personal autorizado.
MANUALE D'INSTALLAZIONE
Ad uso esclusivo del personale autorizzato.
ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ
Για εξουσιοδοτημένο προσωπικό σέρβις.
MANUAL DE INSTALAÇÃO
Apenas para técnicos autorizados.
РУКОВОДСТВО ПО УСТАНОВКЕ
Для уполномоченного персонала.
MONTAJ KILAVUZU
Yetkili servis personeli içindir.
PART NO. 9374872121-03
En-1
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Summary of Contents for Fujitsu aoyg30lat4
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Page 1: Air Conditioner
AIR CONDITIONER OUTDOOR UNIT INSTALLATION MANUAL For authorized personnel only. INSTALLATIONSANLEITUNG Nur für autorisiertes Personal. MANUEL D'INSTALLATION Pour le personnel agréé uniquement. MANUAL DE INSTALACIÓN Solo para personal autorizado. MANUALE D'INSTALLAZIONE Ad uso esclusivo del personale autorizzato. ΕΓΧΕΙΡΙΔΙΟ ΕΓΚΑΤΑΣΤΑΣΗΣ Για εξουσιοδοτημένο προσωπικό σέρβις. MANUAL DE INSTALAÇÃO Apenas para técnicos autorizados. -
Page 2: Table Of Contents
INSTALLATION MANUAL Using the same vacuum pump for different refrigerants may damage the vacuum pump or the unit. PART NO. 9374872121-03 Use a clean gauge manifold and charging hose for R410A exclusively. Contents During the pump-down operation, make sure that the compressor is turned off before SAFETY PRECAUTIONS ………………………………………………………………... -
Page 3: Special Tools For R410A
21 41 11 CONNECTABLE INDOOR UNIT CAPACITY TYPE 21 21 Special tools for R410A CAUTION Tool name Contents of change The total capacity of the indoor units connected must be between 27,000 and 49,000BTU. Pressure is high and cannot be measured with a conventional gauge. -
Page 4: Installation Work
21 41 41 HEAT INSULATION AROUND CONNECTION PIPES REQUIREMENTS CAUTION CAUTION If children under 10 years old may approach the unit, take preventive measures so that they cannot reach the unit. Install heat insulation around both the gas and liquid pipes. Failure to do so may cause Keep the length of the piping of the indoor and outdoor units within the allowable range. -
Page 5: Transportation Of The Unit
21 21 11 Single outdoor unit installation • Be sure to hold the handles on the sides of the unit. Otherwise, holding the suction grille on the sides of the unit may cause deformation. When the upward area is open Handle •... -
Page 6: Electrical Wiring
Dimension A (mm) CAUTION Pipe outside Dimension B [mm] Flare tool for R410A, - 014 diameter [mm (in.)] Hold the torque wrench at its grip, keeping it in a right angle with the pipe, in order to clutch type tighten the flare nut correctly. 6.35 (1/4) •... -
Page 7: Electrical Requirement
Strip : 10mm Crimp-type CAUTION terminal The static electricity that is charged to the human body can damage the control PC Board when handling the control PC Board for address setting, etc. Please keep caution to the following points. Sleeve Provide the grounding of Indoor unit, Outdoor unit and Option equipment. -
Page 8: Pipe Installation I I
Tightening torque Be sure to seal the holes Putty 6.35 mm (1/4 in.) 20 to 25 N·m (200 to 250 kgf·cm) when applying the putty. 9.52 mm (3/8 in.) 20 to 25 N·m (200 to 250 kgf·cm) Place the cables side by side. -
Page 9: Power
POWER Error contents LED 1 LED 2 LED 3 LED 4 Trip terminal L error ●14 times WARNING Outdoor unit fan motor error ●15 times Always use a special branch circuit and install a special receptacle to supply power to Outdoor unit PCB microcomputer ●17 times communication error...
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Questions and answers
Unit not heating although outdoor exchange is firing up and cool air flow coming from indoor outlet…
The Fujitsu AOYG30LAT4 unit may not be heating while the outdoor unit is operating and cool air is coming from the indoor outlet due to the following possible reasons:
1. Incorrect Mode Setting – Ensure the unit is set to heating mode instead of cooling or fan mode.
2. Thermostat Setting – The set temperature may be too low for heating to activate.
3. Defrost Mode – The unit may be in defrost mode, temporarily stopping heating to remove ice buildup on the outdoor unit.
4. Low Refrigerant Levels – A refrigerant leak can reduce heating efficiency, preventing warm air output.
5. Faulty Reversing Valve – The reversing valve may be stuck, preventing the system from switching to heating mode.
6. Blocked Air Filters or Coils – Dirty filters or coils can restrict airflow and affect heating performance.
7. Compressor or Sensor Issues – A malfunctioning compressor, temperature sensor, or control board may prevent proper heating operation.
Check the unit settings, clean filters, and verify proper operation. If the issue persists, a professional inspection may be needed.
This answer is automatically generated