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Fujitsu AUU18RML Service Manual

Inverter multi air conditioner
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INVERTER MULTI

AIR CONDITIONER

CONCEALED CEILING TYPE
Indoor unit
AUU9RML
AUU12RML
AUU18RML
C ONTE NT S
. . . . . . . . . . . . . . . . . . . 1
SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
. . . . . . . . . . . . . . . . . . 7
CIRCUIT DIAGRAM
INDOOR PCB CIRCUIT DIAGRAM
OUTDOOR PCB CIRCUIT DIAGRAM
. . . . . . . . . . . . . . . .15
ERROR DETECTION
PARTS (INDOOR UNIT)
PARTS (OUTDOOR UNIT)
Outdoor unit
AOU36RML1
. . . . . . . . . . 4
. . . . 6
. . . . . . 8
. . .12
. . . . . . . . . . . . . .18
. . . . . . . . . . . 23

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  Summary of Contents for Fujitsu AUU18RML

  • Page 1: Air Conditioner

    Outdoor unit AUU9RML AOU36RML1 AUU12RML AUU18RML C ONTE NT S ....1 SPECIFICATIONS ..4 OUTLINE AND DIMENSIONS .
  • Page 2: Specifications

    S PECIF I CAT IONS INDOOR UNIT ELECTRICAL DATA TYPE Inverter multi cooling & heating MODEL NAME AUU9RML AUU12RML AUU18RML 2.7 kW COOLING CAPACITY 3.5 kW 5.2 kW HEATING CAPACITY 3.3 kW 3.8 kW 6.0 kW MOISTURE REMOVAL 0.9 L/hr 1.2 L/hr...
  • Page 3 OUTDOOR UNIT ELECTRICAL DATA 4 room multi inverter TYPE MODEL NAME AOU36RML1 POWER SUPPLY 230 V / 208 V FREQUENCY 60 Hz Cooling 2119 cfm (3,600 m3/h) AIR CIRCULATION High Heating 2237 cfm (3,800 m3/h) Cooling 51 dB NOISE LEVEL Heating 53 dB FAN MOTOR...
  • Page 4 COMBINATION ELECTRICAL DATA (230 V) COMBINATION AUU9RML x 3 AUU12 + AUU9 x 2 AUU12 x 2 + AUU9 7.92 kW 8.76 kW 9.42 kW COOLING CAPACITY 27,000 BTU/h 29,800 BTU/h 32,200 BTU/h 9.66 kW 10.38 kW 10.74 kW HEATING CAPACITY 33,000 BTU/h 35,400 BTU/h 36,600 BTU/h...
  • Page 5: Outline And Dimensions

    O UTL I NE AND DI M ENSIO NS Unit : inch (mm) DECORATION PANEL 27-9/16 (700) 20-7/8 (530) ( Hanging bolt position ) INDOOR UNIT TOP VIEW 9-13/16 5-5/16 (135) (250) Drain pipe I.D 3/4 (19.4) / O.D. 1 ( 25.4 ) 1-9/16 3-7/8 (102)
  • Page 6: Outdoor Unit

    OUTDOOR UNIT Unit : inch (mm) 1-9/16 1-7/32 15/32 35-7/16 (900) (40) (31) 13 (330) (12) 15-3/4 (400) Air Flow 25-19/32 (650) 2009.01.30...
  • Page 7: Refrigerant System Diagram

    REFRI GER A N T SY STEM DI A G RAM OUTDOOR UNIT DISCHARGE THERMISTOR CAPILLARY HEAT EXCHANGER TUBE RECEIVER TANK OIL BACK CAPILLARY PRESSURE HEAT EXCHANGER SWITCH(A) 4-WAY VALVE STRAINER PRESSURE SWITCH(B) DISTRIBUTOR EXPANSION EXPANSION EXPANSION EXPANSION VALVE VALVE VALVE VALVE THERMISTOR...
  • Page 12 INDOOR UNIT INDICATOR PCB ASSEMBLY K06AG-0700HSE-D0 R201 220 <1/4W> D201 SLR-325MC <GREEN> TO CONTROLLER PCB ASSEMBLY R202 390 <1/4W> D202 SLR-325DC <ORANGE> OPERATE TIMER R203 560 <1/4W> D203 SLR-325VC <RED> FILTER CLEAN / FILTER SIGN REMOTE CONTROL SIGNAL GRAND MANUAL AUTO SWICTH CN201 C202 C201...
  • Page 16: Error Detection

    E R ROR DE TEC TIO N OPERATION TIMER lamp FILTER lamp Error contents lamp (green) (orange) (red) INDOOR UNIT 2 times Indoor signal error (reverse) after power-on The three lamps show error contents Indoor signal error (reverse) during operation 3 times Indoor signal error (forward) after power-on 4 times...
  • Page 17 Troubleshooting at the wired remote control LCD Self diagnosis If an error occurs, the following display will be shown. ("EE" will appear in the set room temperature display.) Unit number Error code SU MO TU WE TH FR SA Ex. Self-diagnosis Error Error contents code...
  • Page 18 : Slow flashing - : Off OUTDOOR UNIT LED 1 LED 2 LED 3 LED 4 Communication error (indoor unit A to outdoor unit) 1 time Communication error (indoor unit B to outdoor unit) 1 time Communication error (indoor unit C to outdoor unit) 1 time Communication error (indoor unit D to outdoor unit) 1 time...
  • Page 19 PA R T S DECORATION PANEL UTG-CCG Ref. Description Part number Decoration Panel 9375525033 without Insulations Display Panel 9375529055 Receiver Window 9375547011 Intake Grille 9375531027 Long Life Filter 9375533014 Flap Total Assy 9377760029 Hook Bracket 9375546014 Grille Hook 9375532024 Panel Cover 9375530013 without Insulations Indicator PCB Assy...
  • Page 20 DECORATION PANEL UTG-CCG Flap total assy Motor holder assy (connector : white) (connector : red) Ref. Description Part number Gear A 9375536015 Motor Holder 9375535018 Step Motor 9900139070 (white connector) Step Motor 9900139087 (red connector) 2009.02.03...
  • Page 21 INDOOR UNIT Ref. Description Part number Cabinet A Assy 9375492014 Cabinet B 9375494018 Bell Mouse 9375503017 Drain Pan Sub Assy 9377765024 Wire Cover 9375516017 Pipe Cover 9375515027 Hook R 9375504014 Hook L 9375505011 Drain Cap 9375502010 2009.02.03...
  • Page 22 INDOOR UNIT Ref. Description Part number Evaporator Assy (9, 12) 9372585085 Evaporator Assy (18) 9372585054 Evaporator Holder 9375508012 2 Stage Turbo Fan Assy 9375480011 Pump Assy 9900360047 Drain Pump Holder B 9375518011 Fan Motor 9602870004 Fan Motor Holder 9375552015 Separate Wall 9375506018 Float Switch 9900361037...
  • Page 23 INDOOR UNIT Control unit Ref. Description Part number Control Box Cover 9375512019 Control Box A Assy 9379250016 Controller PCB Assy (09) 9707393590 Controller PCB Assy (12) 9707393606 Controller PCB Assy (18) 9707393613 Puwer Supply PCB Assy 9707398182 Terminal 9306489045 Terminal 9703345012 Pipe Thermistor 9703297014...
  • Page 24 PARTS OUTDOOR UNIT Ref. Description Part number Top Panel Sub Assy 9374417025 Front Panel 9374094066 Fan Guard 9374330010 Grip Side 9374173013 Service Panel Sub Assy 9374415038 Right Panel 9374599066 Valve Cover Sub Assy 9374827015 Grip 9374172016 Emblem 9351355005 Protective Net 9375381011 Drain Assy 9303029015...
  • Page 25 OUTDOOR UNIT Ref. Description Part number Motor Bracket Sub Assy 9374418091 Propeller Fan Assy 9366378020 Fan Motor 9602114016 Condenser A Assy 9374433148 Separate Wall Assy 9375226015 Base Assy 9374166183 Coil. Choke 9900366018 Valve Plate A Assy 9374628087 3-Way Valve Assy (1/2") 9375104016 3-Way Valve Assy (3/8") 9375103019...
  • Page 26 OUTDOOR UNIT (Connector : red) (Connector : white) Ref. Description Part number Compressor Assy 9377946010 4-Way Valve 9900164010 Inlet Pipe (Cond) A Assy 9373461067 Outlet Pipe (Cond) A Assy 9374266067 Pressure Switch 9900186012 Pressure Switch 9900341015 Accumulator Sub Assy 9374426072 Receiver Tank Sub Assy 9373426028 Expansion Valve Assy...
  • Page 28: Optional Parts

    A CCESSO RIE S INDOOR UNIT Name and Shape Q'ty Application Coupler heat For indoor side pipe joint insulation Special nut A For installing indoor unit (large flange) Special nut B For installing indoor unit (small flange) Template For cealing openings cutting (Carton top) Also used as packing Drain Hose Assy...
  • Page 29 OUTDOOR UNIT Name and Shape Q'ty Part number Drain pipe For drain piping work 9303029015 Drain cap 313166024302 Adapter assy For use when connecting 12.7 mm 9.52 mm models 9-12 to outdoor port A 9370244007 (1/2 in.) (3/8 in.) 2009.02.03...
  • Page 30 0902G3598...

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