ASU18RLF ASU24RLF AOU18RLXFWH AOU24RLXFWH CONTENTS WALL MOUNTED TYPE ROOM AIR CONDITIONER FOR EXTRA LOW TEMP. DISTRICT

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1 WALL MOUNTED TYPE ROOM AIR CONDITIONER FOR EXTRA LOW TEMP. DISTRICT Indoor unit ASU8RLF ASURLF Outdoor unit AOU8RLXFWH AOURLXFWH CONTENTS SPECIFICATIONS DIMENSIONS REFRIGERANT SYSTEM DIAGRAM..... CIRCUIT DIAGRAM PC CIRCUIT DIAGRAM ERROR DERECTION PARTS (INDOOR UNIT) PARTS (OUTDOOR UNIT) ACCESSORIES

2 SPECIFICATIONS ELECTRICAL DATA FAN MOTOR AND FAN REVOLUTION NOISE LEVEL Type Extra low temp. heating IU Discrimination MFD-0RON High d 9 d Indoor unit Outdoor unit ASU8RLF ASURLF AOU8RLXFWH AOURLXFWH OU Discrimination High,0 rpm MFE-0TVT,80 rpm Indoor unit Cooling Medium Low 7 d d d 7 d Power supply Capacity Single phase 08/0V 0Hz 8,000 tu/h,000 tu/h Indoor unit Cooling Medium Low,00 rpm 900 rpm,0 rpm,00 rpm Quiet High 8 d d d 9 d COOLING Power consumption EER Operating current Max ope. current. kw. tu/hw. A. A.7 kw. tu/hw 7.9 A.0 A Indoor unit Heating Quiet High Medium Low 770 rpm,0 rpm,00 rpm 900 rpm 900 rpm,0 rpm,0 rpm,00 rpm Indoor unit Heating Medium Low Quiet Outdoor unit Cooling 7 d d 8 d 7 d d 7 d d d Dehumidification.9 Pts/h.8 L/h. Pts/h.0 L/h Quiet 790 rpm 900 rpm Outdoor unit Heating 0 d d Capacity,00 tu/h,00 tu/h Outdoor unit Cooling 0 rpm 800 rpm HEATING Power consumption COP Operating current Max ope. current DIMENSIONS Indoor unit H x W x D Outdoor unit H x W x D WEIGHT IU OU Net / Shipping Net / Shipping.7 kw. tu/hw 7.8 A. A.9 kw.0 tu/hw 8. A. A -/8 x 9-/ x 9 inch 0 x 998 x 8 mm -/ x -/8 x inch 80 x 900 x 0 mm lbs / 0 lbs kg / 8 kg lbs / 0 lbs kg / 8 kg Outdoor unit Heating AIR CIRCULATION Indoor unit Cooling Indoor unit Heating High Medium Low Quiet High Medium Low Quiet Outdoor unit Cooling 0 rpm 80 rpm CFM 90 m /h 9 CFM,0 m /h CFM 70 m /h 0 CFM 900 m /h CFM 0 m /h CFM 70 m /h 0 CFM 0 m /h CFM 0 m /h CFM 90 m /h 77 CFM,0 m /h CFM 70 m /h 0 CFM 900 m /h CFM 0 m /h CFM 70 m /h 8 CFM 0 m /h CFM 0 m /h,89 CFM,0 m /h,00 CFM,00 m /h Outdoor unit Heating,89 CFM,0 m /h,9 CFM,00 m /h COMPRESSOR AND REFRIGERANT Compressor type Discrimination Weight (with oil) Precharged refrigerant pipe length Full charge ft. 0 m ft. 0 m Refrigerant type Hermetic type, pole, Single phase, DC inverter motor, Rotary N-TF0NDA. lbs. kg lbs 0 oz,00 g lbs 0 oz,00 g 98 ft. 0 m lbs 8 oz,00 g ft. 0 m lbs oz,900 g 7 lbs oz,00 g Additional charge 0. oz/ft 0 g/m Maximum piping height 98 feet 0 m R0A 0.0.8

3 DIMENSIONS INDOOR UNIT Unit : inch (mm) -/8" (0) 9-/" (998) 9" (8) Drain pipe diameter Inside : /8 inch ( mm) Outside : -/ inch (8 mm) Liquid pipe diameter : /8 inch (9. mm) Gas pipe diameter : /8 inch (.88 mm) 00.0.

4 OUTDOOR UNIT Unit : inch (mm) -/" (900) "(77) -/" () " (0) /" () -/" (80) 7-/8" (0) 7/8" () /8" (9) -/" (00) -/8" (70) -/8" (0) 00.0.

5 REFRIGERANT SYSTEM DIAGRAM Muffler -Way valve (Large) Heat exchanger ( INDOOR ) -Way valve (Small) Compressor Pressure switch Strainer Sub-accumulator -Way valve Heat exchanger ( OUTDOOR ) Expansion valve Strainer Cooling flow Heating flow Refrigerant pipe diameter Liquid : /8" (9. mm) Gas : /8" (.88 mm) 00.0.

6 CIRCUIT DIAGRAM lack lack CN0 7 Terminal Ex. out ( Option ) Ex. in ( Option ) Thermistor ( Pipe temp. ) lack lack Thermistor ( Room temp. ) Wired remote control ( Option ) Indicator PC INDOOR UNIT lack Thermal fuse TM CN CN Main PC CN CN CN CN CN CN0 CN8 CN CN TM TM W Test G lue Yellow lack lue Pink Yellow Orange lue Pink Yellow Orange lue Pink Yellow Orange Green FM M M M Fan motor Diffuser Louver ( Up / Down ) Louver ( Right / Left ) OUTDOOR UNIT CN CN0 Transistor PC ( I P M ) TM0 W TM0 V TM0 U CN TM0 TM0 W7 W TM0 TM0 lack CN0 W0 lue Yellow lack rown Orange W07 CN00 lack Compressor R CM S T Heater W8 W W7 W Capacitor PC Violet Thermostat ( [ F ] ) Fuse A 0V CN00 rown Orange lack ACTPM Yellow N P -IN +IN CN L L CN lack CN Main PC TM00 Gray or W TM0 Choke coil W9 CN00 W8 Orange W Orange Filter PC W Posistor AOURLXFWH Only lack W9 CN0 lack W0 W9 CN90 CN CN CN CN CN00 CN700 7 CN800 W W W8 W7 W W 7 rown rown lue lue lack lack rown rown lack lack Yellow Orange lue rown Yellow lack Green lack lack Terminal G High pressure switch Thermistor ( Compressor temp. ) Thermistor ( Outdoor temp. ) Thermistor ( Pipe temp. ) Thermistor ( Discharge pipe ) WV PMV FM LL -Way valve coil G Power source Expansion valve coil Fan motor 0.0.8

7 PC CIRCUIT DIAGRAM CONTROL UNIT ASU8RLF : EZ-0090DHSE ASURLF : EZ-00HSE TO OUTDOOR UNIT L N SERIAL E TERMINAL HP-T0A-A9-L UL0 AWG UL0 AWG UL0 AWG WI REMOTE CONTROL ( OPTION ) LACK UL0 AWG GREEN CN- CN- CN- LACK EMI FILTER ESD-R9 TURNS L I N TM 007 LACK N I N TM 007 SERIAL I N TM 007 EARTH E CN 0-XASK--A W GREEN DCV MAIN PC ASU8RLF : K09DR-0HSE-C ASURLF : K09DR-0HSE-C DCV CN9 07-PASK- 7 FLASH INDICATOR PC K0CY-090HSE-D0 UL0 AWG x DCV LOUVER ( RIGHT / LEFT ) LOUVER ( UP / DOWN ) DIFFUSER M M M CN- CN- ORANGE CN- YELLOW CN- PINK CN- LUE UL0 AWG x CN- CN- ORANGE CN- YELLOW CN- PINK CN- LUE UL0 AWG x CN8- CN8- ORANGE CN8- YELLOW CN8- PINK CN8- LUE UL0 AWG x CN SJH0-0WS DCV CN SJH0-0WS DCV CN8 0-PASK- CN0 ( - ) -XARK--A DCV CN 07-PASK- CN -XH-AM CN -XH-AM CN 0/0 JC/XARR 007 L0 7 CN- CN- CN- CN- CN- CN- CN- CN- CN-7 UL0 AWG8 x 7 EX. I N EX. OUT UL007 AWG x 7 XARR XAP -0VF -0V- LACK LACK CN0 07 J0/PAP 0 L0 CN Thermistor Characteristics. Temperature Thermistor Thermistor ( Pipe temp. ) ( 0 F ) 7.0 k.9 k 9. k. V. V.8 V THERMISTOR ( PIPE TEMP. ) (0 8 F ) (0 8 F ) CN0 DC Fan motor Terminal Pin No. code Function of terminal Vm GND Vcc Vsp PG Motor power voltage input GND Control power voltage input Speed control voltage input Revolution pulse output Lead wire color lack Yellow lue DC FAN MOTOR F M CN0- CN0- LACK CN0- CN0- YELLOW CN0- LUE UL AWG x DC0V DCV CN CN -PH-K-S DCV CN- LACK CN- LACK CN- CN- CN- TEST CN- CN- THERMISTOR ( ROOM TEMP. ) CN Thermistor Characteristics. Temperature Thermistor Thermistor ( Room temp. ) ( 0 F ) (0 8 F ) (0 8 F ). k. k 8.0 k. V. V.8 V 0.0.

8 POWER SOURCE AC08-0V 0Hz TO I NDOOR UNIT N L EMI FILTER ZCAT-0 T UL0 AWG UL0 AWG LACK UL7 AWG0 UL0 AWG0 UL0 AWG0 LACK UL0 AWG LACK EMI FILTER ZCAT8-070 T W W W7 FILTER PC AOU8RLXFWH : K09DH-00HUE-FL0 AOURLXFWH : K09DH-00HUE-FL0 INVERTER ASSEMLY AOU8RLXFWH : EZ-00THUE AOURLXFWH : EZ-00WHUE W8 W9 UL0 AWG ORANGE UL0 AWG ROWN EMI FILTER ZCAT-0 T TRANSISTOR PC ( I P M ) AOU8RLXFWH : K07T-090HUE-TR0 AOURLXFWH : K07T-090HUE-TR0 TM0 TM0 D00 DX0 + - ASE HEATER TERMINAL HP-T0--P A 0V LACK UL7 AWG GREEN W EARTH SERIAL W8 W W9 LACK W0 UL7 AWG0 x CN YELLOW VAC I N CN 770- LUE CT I N / OUT W9 LACK TM0 W GRAY or UL7 AWG x TM00 CN00 UL7 AWG0 ORANGE UL7 AWG0 ORANGE LACK UL0 AWG x CN 878- POWER RELAY CONTROL PTC THERMISTOR ( AOURLXFWH Only ) W DCV W ZPR0YCE00A00 EMI FILTER ZCA-0 T CHOKE COIL L=0.MH 0A UL7 AWG L UL7 AWG L I C0 ( ACTPM ) P N + - UL0 AWG UL0 AWG VIOLET EMI FILTER ZCAT8-070 T CAPACITOR PC K0F-090HUE-P0 W W W7 W8 UL0 AWG UL0 AWG LACK UL0 AWG YELLOW UL0 AWG LUE W W7 TM0 TM0 W0 W07 I P M CONTROL CN DCV TM0 U TM0 V TM0 W REVERSE CURRENT CN LACK EMI FILTER ZCAT-0 T UL7 AWG x C. M. COMPRESSOR Compressor Winding Resistance U-V V-W U-W 0. (0 8 F ) CN800 ( 7-. ) -XASK--A DC FAN MOTOR CN700 Expansion Valve Coil Recommended Drive Condition Unipolar Drive, - Phase Excitation. () - (lue) () - (Orange) () - (Yellow) () - () Coil resistance.0 (0 8 F ) EXPANSION VALVE COIL F. M. M LACK YELLOW ROWN LUE ORANGE YELLOW DC0V DCV 7 DCV CN700 0-PLISK- MAI PC AOU8RLXFW : K07S-0HUE-C AOURLXFW : K07S-0HUE-C YELLOW EMI FILTER ZCAT8-070 T DC8V ORANGE ROWN UL007 AWG x ( AOURLXFW Only ) EMI FILTER ZCAT8-070 T LACK UL0 AWG0 x UL007 AWG x DCV UL007 AWG x -WAY VALVE COIL LACK LACK AC08-0V ( ON ) CN CN ACTPM CONTROL CN VDC I N CN I P M CONTROL CN 970- REVERSE CURRENT PRESSURE SWITCH CN Thermistor Characteristics. THERMISTOR ( COMPRESSOR TEMP. ) THERMISTOR ( OUTDOOR TEMP. ) THERMISTOR ( DISCHARGE TEMP. ) THERMISTOR ( PIPE TEMP. ) ROWN ROWN LUE LUE ROWN ROWN LACK LACK CN LUE CN 970- CN YELLOW CN Thermistor CN Thermistor ( Compressor. temp. ) CN Thermistor ( Outdoor temp. ) CN Thermistor ( Discharge temp. ) CN Thermistor ( Pipe temp. ) ( 0 F ) (0 8 F ) (0 8 F ) 8. k. k 0.0 k 0. V 0.9 V. V. k. k 8.0 k. V.8 V. V 7.7 k. k. k 0. V 0.8 V. V. k.0 k.8 k.9 V. V. V

9 ERROR DETECTION If you use a wired type remote control, error codes will appear on the remote control display. If you use a wireless remote control, the lamp on the photodetector unit will output error codes by way of blinking patterns. See the lamp blinking patterns and error codes in the table below. An error display is displayed only during operation. Wired remote control display (Option) Error code OPERATION lamp (green) Error display TIMER lamp (orange) ECONOMY lamp (green) Wired remote control Error code Mode DESCRIPTION () () Communication Serial communication error () () Communication Remote control communication error Remark When the indoor unit cannot receive the signal from the branch unit When the branch unit cannot receive the signal from the indoor unit Wired remote control communication error () () Communication Scan error Check operation incompletion error (normally, operation disabled) () () Function setting Initial setting error Wiring mistake () () Function setting Indoor unit capacity error Indoor unit capacity error () () Function setting Connection disabled (series error) Combination error () () Function setting Connection unit number error Connection unit number error (indoor unit) Connection unit number error (branch unit) () () Indoor unit Indoor unit main PC error Indoor unit PC Model information error () () Indoor unit Manual auto switch error Manual auto switch error () () Indoor unit Room error Inlet thermistor error () () Indoor unit Indoor unit Heat Ex. sensor error Indoor unit Heat Ex. Middle thermistor error () () Indoor unit Indoor unit fan motor error () () Indoor unit Water Drain error Drain pump error () () Indoor unit Indoor unit error Indoor unit error () () Outdoor unit Outdoor unit main PC error () () Outdoor unit Inverter PC error Inverter error () () Outdoor unit Active filter error, PFC circuit error Main fan motor lock error Main fan motor revolution speed error () () Outdoor unit IPM error Trip terminal L error Outdoor unit PC Model information error Outdoor unit PC microcomputer communication error Voltage error stoppage permanently Voltage error (can restore) Over current protected operation stoppage permanently PFC hardware error () (0) Outdoor unit Display panel error Microcomputers communication error (7) () Outdoor unit Discharge thermistor error Discharge thermistor error (7) () Outdoor unit Compressor thermistor error Compressor thermistor error (7) () Outdoor unit Outdoor unit Heat Ex. Sensor error Outdoor unit Heat Ex. liquid thermistor error (7) () Outdoor unit Outdoor thermistor error Outdoor thermistor error (7) () Outdoor unit Suction Gas thermistor error Suction Gas thermistor error (7) (7) Outdoor unit Heat sink thermistor error Heat sink thermistor error (8) () Outdoor unit Sub-cool Heat Ex. gas thermistor error Sub-cool Heat Ex. gas inlet thermistor error Sub-cool Heat Ex. gas outlet thermistor error (8) () Outdoor unit Liquid pipe thermistor error Liquid pipe thermistor error (8) () Outdoor unit Current sensor error Current sensor error (stoppage permanently) (8) () Outdoor unit Pressure sensor error (9) () Outdoor unit Trip detection Trip detection Discharge pressure sensor error Suction pressure sensor error High pressure switch error (9) () Outdoor unit compressor motor control error Rotor position detection error (stoppage permanently) (9) (7) Outdoor unit Outdoor unit fan motor error Duty error (9) (9) Outdoor unit -way valve error -way valve error (0) () Refrigerant system Discharge temperature error Discharge temperature error (0) () Refrigerant system Compressor temperature error Compressor temperature error (0) () Refrigerant system Pressure error Low pressure error EEPROM access error Equipment type information error Serial communication error to outdoor unit ranch units serial communication error Serial communication error to indoor unit () () ranch box Unit flow divider error Liquid pipe thermistor error Gas pipe thermistor error Expansion valve full closure operation error Remote controller communication error ranch unit error Display mode : 0.s ON / 0.s OFF, ( ) : Number of flashing : 0.s ON / 0.s OFF

10 PARTS INDOOR UNIT ASU8RLF ASURLF Ref Description Parts number Remote Control Remote Control Holder 900 racket Panel Air Clean Filter Assy Screw Cap Wire Clamper

11 Ref Description Parts number Front Panel Intake Grille Assy 9 Air Filter 900 Receiver Window Grille Clamper INDOOR UNIT ASU8RLF ASURLF

12 INDOOR UNIT ASU8RLF ASURLF 7 Ref Description Parts number Control Cover Control ox 9990 Main PC (ASU8RLF) Main PC (ASURLF) Terminal Display Case Indicator PC Room Thermistor Holder

13 INDOOR UNIT ASU8RLF ASURLF 0 Ref Description Parts number Motor Case ush 90 Motor Step () Motor Step (Green) Motor Step (lue) Gear A Link Holder Link A Joint A Motor Clamper Fan Motor

14 INDOOR UNIT ASU8RLF ASURLF Ref Description Parts number Crossflow Fan Assy earing C Assy Evaporator Total Assy (8) 988 Evaporator Total Assy () 987 Pipe Thermistor Casing Assy

15 INDOOR UNIT ASU8RLF ASURLF Casing assy 7 Ref Description Parts number Casing 9990 Casing Cover R Casing Cover Casing Cover L Casing Cover F Drain Cap Drain Hose Assy 9790 Louver U (Upper) Louver Z (Lower) Diffuser U Diffuser Z ush Piller A Joint R and L Louver Spacer D Fan Guard Holder Right 980 Fan Guard Holder Left Fan Guard 9070

16 PARTS OUTDOOR UNIT AOU8RLXFWH AOURLXFWH Ref. Description Part number Protective Net 9780 Thermo Holder 970 Top Panel Sub Assy 9770 Front Panel Sub Assy Service Panel Sub Assy Emblem Rear Right Panel Sub Assy 97 8 Valve Cover

17 OUTDOOR UNIT AOU8RLXFWH AOURLXFWH Ref. Description Part number Propeller Fan Assy Fan Motor 9080 Terminal Filter PC (AOU8RLXFWH) Filter PC (AOURLXFWH) Cover plate Main PC (AOU8RLXFWH) Main PC (AOURLXFWH) Heater Unit Assy

18 OUTDOOR UNIT AOU8RLXFWH AOURLXFWH 7 Ref. Description Part number 0 Discharge Thermistor Outdoor Thermistor Compressor Thermistor Heat Exchanger Thermistor PTC Thermistor (AOU) Capacitor PC (AOU8) Capacitor PC (AOU) Choke Coil Transistor PC (AOU8) Transistor PC (AOU) ACTPM Connector : Green 0 Heatsink Connector : Orange Connector : lue Valve plate Connector :

19 OUTDOOR UNIT AOU8RLXFWH AOURLXFWH 7 8 Ref. Description Part number Condenser A Sub Assy Expansion Valve Coil Expansion Valve Assy way Valve Assy Accumulator Sub Assy 97 Compressor Solenoid way Valve Assy way Valve Sub Assy

20 ACCESSORIES INDOOR UNIT OUTDOOR UNIT Wall hook bracket 9008 piece Cloth tape piece Adapter G assy / in. (.70 mm) -> /8 in. (.88 mm) piece (AOU8RLXFW only) Remote control piece Tapping screw (big) Mx mm pieces Adapter E assy / in. (. mm) -> /8 in. (9. mm) piece attery (penlight) 0008 pieces shrink pack Remote control holder 900 piece Tapping screw (small) pieces Air cleaning filter Electric filter 900 Ion deodorant filter 9907 Adapter is necessary in the connection of the indoor unit. For more information, refer to the installation manual included with the indoor unit. Drain hose insulation piece Air cleaning filter frame pieces

21 0G97

ASU18RLF ASU24RLF AOU18RLXFW1 AOU24RLXFW1 SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED TYPE CONTENTS

ASU18RLF ASU24RLF AOU18RLXFW1 AOU24RLXFW1 SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED TYPE CONTENTS SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED TYPE Indoor unit ASU8RLF ASURLF Outdoor unit AOU8RLXFW AOURLXFW CONTENTS SPECIFICATIONS.................... DIMENSIONS........................ REFRIGERANT SYSTEM