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Fujitsu ASU15RLQ Service Manual

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SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED

Models
Indoor unit
ASU15RLQ
AOU15RLQ
ASU18RLQ
AOU18RLQ
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . 1
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . 2
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . 4
ERROR CONTENTS . . . . . . . . . . . . . . . . . .
DISASSEMBLY ILLUSTRATION . . . . . . . . .11
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . 15
STANDARD ACCESSORIES . . . . . . . . . . .
type
5
8
10
17

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  Summary of Contents for Fujitsu ASU15RLQ

  • Page 1: Table Of Contents

    ROOM AIR CONDITIONER WALL MOUNTED type Models Indoor unit Outdoor unit ASU15RLQ AOU15RLQ ASU18RLQ AOU18RLQ CONTENTS SPECIFICATIONS ..... 1 DIMENSIONS ......2 REFRIGERANT SYSTEM DIAGRAM .
  • Page 2: Specifications

    SPECIFICATIONS COOL & HEAT INVERTER TYPE ASU15RLQ ASU18RLQ INDOOR UNIT AOU15RLQ AOU18RLQ OUTDOOR UNIT 4.38 kW 5.28 kW COOLING CAPACITY 15,000 Btu/h 18,000 Btu/h 5.28 kW 6.30 kW HEATING CAPACITY 18,000 Btu/h 21,600 Btu/h ELECTRICAL DATA 208 V / 230 V...
  • Page 3: Dimensions

    DIMENSIONS unit : inch (mm) INDOOR UNIT 9-1/16 (230) 31-1/8 (790) OUTDOOR UNIT 20 (508) 13/16 (20) 21-1/4 (540) 4-15/16 (125) 2-5/8 11-13/16 31-1/8 (790) (66) (300) 2006.06.13...
  • Page 4: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM Heat exchanger 3-Way ( INDOOR ) valve Muffler 2-Way Sub-heat valve exchanger ( INDOOR ) 4-Way valve Strainer Expansion valve Heat exchanger Strainer ( OUTDOOR ) Cooling Heating Refrigerant pipe diameter Liquid : 1/4" (6.35 mm) Gas : 1/2" (12.7 mm) 2006.06.05...
  • Page 5: Circuit Diagram

    WHITE WHITE YELLOW WHITE YELLOW CN201 CIRCUIT DIAGRAM BLUE BLUE WHITE SWITCH WHITE WHITE WHITE WHITE WHITE WHITE WHITE ORANGE YELLOW STEP MOTOR PINK BLUE BLUE YELLOW BLACK WHITE BLACK BLACK F. M. PIPE TEMPERATURE THERMISTOR FAN MOTOR BLACK BLACK ROOM TEMPERATURE THERMISTOR POWER CIRCUIT GRAY...
  • Page 6: Indoor Pcb Circuit Diagram

    INDOOR PCB CIRCUIT DIAGRAM CONTROL UNIT TERMINAL BOARD ASU15RLQ : EZ-006HHSE ASU18RLQ : EZ-006KHSE SERIAL OUTDOOR UNIT EARTH EARTH TERMINAL BLACK WHITE GREEN B3B-XASK CN11 B2B-XH THERMAL FUSE EX-OUT CN12 EXTERNAL COMMUNICATION CONNECTOR B3B-XH EX-I N CN10 B5B-XASK CN10-1 CN10-2...
  • Page 7: Cn10

    INDOOR UNIT Controller PCB Assy ASU15RLQ : K04CP-0603HSE-C1 ASU18RLQ : K04CP-0604HSE-C1 THERMAL FUSE R29 10K <1/10W> OUTDOOR UNIT HEAT EXCHANGER B3B-XASK 13.5V THERMISTOR BD4842 R44 1K NJM7805 R39 10K R28 10K <1/10W> D1F60 <1/10W> TERMINAL BOARD <1/10W> R42 49.9K VOUT <1/10W>...
  • Page 8 INDOOR UNIT INDICATOR PCB ASSY K03DV-0400WSE-D0 CN201 D206 SLR-325 09 JB20/ZHR D204 SLR-325 D203 SLR-325 C201 D201 SLR-325 <F> R201 <1/4W> I C201 GP1UM261R C202 2006.06.07...
  • Page 9: Outdoor Pcb Circuit Diagram

    OUTDOOR PCB CIRCUIT DIAGRAM INVERTER ASSEMBLY AOU15RLQ : EZ-006CHUE AOU18RLQ : EZ-006DHUE REACTOR EMI FILTER UL1015 AWG14 UL3271 AWG16 BLACK ( A-1 ) UL3271 AWG16 WHITE C. M. UL1015 AWG14 WHITE WHITE UL3271 AWG16 BLACK ( B-1 ) BLACK COMPRESSOR UL1015 AWG20 ( D-1 ) CN30...
  • Page 10: Cn3-5

    OUTDOOR UNIT Controller PCB Assy AOU15RLQ : K05CM-0600HUE-C1 AOU18RLQ : K05CM-0601HUE-C1 C100 - C102 R104 660 450V 220K <2W> DC V U V W AC200-240V REACTOR R200 39 L300 F100 D102 <1/2W> ELC0607RA 15A-250V 50Hz / 60Hz 1NH42 W7 W8 W9 U1JU44 x 3 R103 D200...
  • Page 11: Error Contents

    ERROR CONTENTS Display Error Error Operation Timer LED 2 flash Serial signal (reverse) error, at operation start up 3 flash Serial signal (reverse) error, during operation Serial signal error 4 flash Serial signal (forward) error, at operation start up 5 flash Serial signal (forward) error, during operation 2 flash Indoor temperature thermistor open / short...
  • Page 12: Disassembly Illustration

    DISASSEMBLY ILLUSTRATION INDOOR UNIT 2006.06.05...
  • Page 13 INDOOR UNIT 2006.06.13...
  • Page 14 OUTDOOR UNIT 2006.06.13...
  • Page 15 OUTDOOR UNIT 2006.06.14...
  • Page 16: Parts List

    PARTS LIST INDOOR UNIT Part No. Ref. Ord. Description Q'ty ASU15RLQ ASU18RLQ Air Filter-L 9312920013 9312920013 Air Filter-R 9312921010 9312921010 Front Panel 9312914029 9312914029 Top Grill 9313948016 9313948016 Intake Grille Assy 9313157111 9313157111 Clamper (Grille) 9306755010 9306755010 Louver-U 9309991033 9309991033...
  • Page 17 OUTDOOR UNIT Part No. Ref. Ord. Description Q'ty AOU15RLQ AOU18RLQ Top Panel Assy 9309230057 9309230057 Top Panel Seal 9309228016 9309228016 Cabinet Assy 9314809040 9314809040 Blow Down Grille 9308884015 9308884015 Cabinet Right Assy 9309236011 9309236011 Fan Ring 9308885012 9308885012 Grip 9308880017 9308880017 Switch Cover 9315039019...
  • Page 18: Standard Accessories

    STANDARD ACCESSORIES Name and Shape Part No. Wall hook bracket 9310001004 Remote control unit INVERTER 9315027078 Remote control unit holder 9305642045 Battery (penlight) 0600185527 Cloth tape 9310519004 Tapping screw (big) 4 x 25) 0700076046 Tapping screw (small) 3 x 12) 0700019036 2006.06.13...
  • Page 19 0606G3094...

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