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AYXP7FR
SERVICE MANUAL
S6512AYXP7FR/T
SPLIT TYPE
ROOM AIR CONDITIONER
INDOOR UNIT OUTDOOR UNIT
MODELS
AY-XP7FR AE-X7FR
AY-XP9FR AE-X9FR
AY-XP12FR AE-X12FR
In the interests of user-safety (Required by safety regulations in some countries) the set should
be restored to its original condition and only parts identical to those specified should be used.
CONTENTS
CHAPTER 1. SPECIFICATION [5] GENERAL TROUBLESHOOTING CHAR .....T...3-6
[1] SPECIFICATION.................................... ........ 1-1 [
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AYXP7FR AYXP7FR Service Manual CHAPTER 1. SPECIFICATION [1] SPECIFICATION 1. AY-XP7FR – AE-X7FR MODEL INDOOR UNIT OUTDOOR UNIT ITEMS AY-XP7FR AE-X7FR Cooling capacity(Min. > Max.) kW 2.1 (0.9 - 2.5) Heating capacity(Min. > Max.) kW 2.4 (0.9 - 3.4) Moisture removal(at cooling) Liters/h Electrical data Phase Single Rated frequency Hz 50 Rated voltage V 230 Rated current ✩ Cool A 2.5 (1.0 - 4.1) (Min - Max.) Heat A 2.4 (0.9 - 4.5) Rated input ✩ Cool W 530 (200 - 760) (Min - Max.) Heat W 510 (160
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AYXP7FR 2. AY-XP9FR – AE-X9FR MODEL INDOOR UNIT OUTDOOR UNIT ITEMS AY-XP9FR AE-X9FR Cooling capacity(Min. > Max.) kW 2.64 (0.9 - 3.0) Heating capacity(Min. > Max.) kW 3.1 (0.9 - 4.8) Moisture removal(at cooling) Liters/h Electrical data Phase Single Rated frequency Hz 50 Rated voltage V 230 Rated current ✩ Cool A 3.7 (1.0 - 4.8) (Min - Max.) Heat A 3.5 (0.9 - 6.1) Rated input ✩ Cool W 780 (200 - 960) (Min - Max.) Heat W 730 (160 - 1400) Power factor ✩ Cool % 92 Heat % 91 Compressor Type Hermetic
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AYXP7FR 3. AY-XP12FR – AE-X12FR MODEL INDOOR UNIT OUTDOOR UNIT ITEMS AY-XP12FR AE-X12FR Cooling capacity(Min. > Max.) kW 3.5 (0.9 - 3.8) Heating capacity(Min. > Max.) kW 4.0 (0.9 - 6.0) Moisture removal(at cooling) Liters/h Electrical data Phase Single Rated frequency Hz 50 Rated voltage V 230 Rated current ✩ Cool A 5.0 (1.1 - 8.2) (Min - Max.) Heat A 4.8 (1.0 - 8.0) Rated input ✩ Cool W 1090 (210 - 1300) (Min - Max.) Heat W 1030 (180 - 1900) Power factor ✩ Cool % 95 Heat % 93 Compressor Type He
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4.5 AYXP7FR [2] EXTERNAL DIMENSION 1. Indoor unit 790 198 18.5 58 INVERTER AIR CONDITIONER 22.0 2. Outdoor unit 515 135 72 12 37.5 58 14 250 730 165 167.5 1 – 4 540 175 299 324 81 136 278
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AYXP7FR [3] WIRING DIAGRM 1. Indooa unit 2. Outdooa unit 2.1. AE-X7FR / AE-X9FR 420V 420V 750μF 750μF 2.2. AE-X12FR 1 – 5
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AYXP7FR [8] TROUBLESHOOTING GUIDE 1. Self-Diagnosis Function and Display Mode To call out the content of the self-diagnosis memory, hold down the emergency operation button for more than 5 seconds when the indoor unit is not operating. • The number of indications displayed by the LEDs on the outdoor unit differs from that for the 2001 cooling unit models (for detailed display of mal- function information). The display of malfunction No. differs from that of the 2001 cooling unit models. To show
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AYXP7FR Status of Indication Malfunction Content of diagnosis Inspection location/method Remedy indoor/ by LED1 No. dis- outdoor on out- played on units door unit main unit *2 display sec- tion *1 Main Sub- Main category Sub-category cate- cate- gory gory Indoor/ 2 times 2 -0 Cycle tempera- Compressor high- (1) Check the outdoor unit air (1) Ensure unobstructed outdoor ture temperature error outlet for blockage. air flow from the out- units in door unit air outlet. complete (2) Check if the
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AYXP7FR Status of Indication Malfunction Content of diagnosis Inspection location/method Remedy indoor/ by LED1 No. dis- outdoor on out- played on units door unit main unit *2 display sec- tion *1 Main Sub- Main category Sub-category cate- cate- gory gory Indoor/ 6 times 6 -0 Outdoor unit DC DC overcurrent error (1) IPM continuity check (1) Replace the outdoor outdoor unit control PWB units in assembly. complete (2) Check the IPM and heat (2) Correct the installa- shutdown sink for secure i
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AYXP7FR Status of Indication Malfunction Content of diagnosis Inspection location/method Remedy indoor/ by LED1 No. dis- outdoor on out- played on units door unit main unit *2 display sec- tion *1 Main Sub- Main category Sub-category cate- cate- gory gory Indoor/ 11 11 -0 Outdoor unit DC Outdoor unit DC fan (1) Check connector CN3 of (1) Correct the installa- outdoor times fan rotation error the outdoor unit DC fan tion. units in motor for secure installa- complete tion. shutdown (2) Check the
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AYXP7FR Status of Indication Malfunction Content of diagnosis Inspection location/method Remedy indoor/ by LED1 No. dis- outdoor on out- played on units door unit main unit *2 display sec- tion *1 Main Sub- Main category Sub-category cate- cate- gory gory Indoor/ 19 -0 Indoor unit fan Indoor unit fan error (1) Check the indoor fan (1) Replace the indoor fan outdoor motor for proper rotating motor. units in operation.(Check fan complete lock.) shutdown (2) Check the lead wire of the (2) Repla
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AYXP7FR Malfunction indications due to erroneous wiring during air conditioner installation Inter-unit wiring error mode Symptom 1 Indoor unit relay Turns On momentarily, then turns Off. Malfunction diagnosis display "18-1" 1 1 Indoor Outdoor N N unit unit 2 2 2 Indoor unit relay Relays turns Off after about 30 minutes. Malfunction diagnosis display None 1 1 (Displays "18-0" when malfunction code is called out.) Indoor Outdoor N N unit unit 2 2 3 Indoor unit relay Relays turns Off after about 30
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AYXP7FR [4] PERFORMANCE CURVES NOTE 1) Indoor fan speed: Hi 2) Vertical adjustment louver "45 °”, Horizontal adjustment louver "front" 3) Indoor air temp. : Cooling 27 °C, Heating 20 °C 4) Power source : 230V, 50Hz 1. AY-XP7FR 1.1. At Cooling 1.2. At Heating 600 600 500 500 400 400 300 3.0 2.6 2.5 2.0 2.4 1.5 2.2 2.0 25 30 35 40 -5 0 51 7 0 Outside air temp.(ºC) Outside air temp.(ºC) 2. AY-XP9FR 2.1. At Cooling 2.2. At Heating 800 900 800 700 700 600 600 3.2 3.5 3.0 3.0 2.8 2.5 2.6 2.0 2.4 -5 0
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AYXP7FR 3. AY-XP12FR 3.1. At Cooling 3.2. At Heating 1200 1200 1100 1100 1000 1000 900 900 800 4.0 4.5 3.8 4.0 3.6 3.5 3.4 3.0 3.2 2.5 25 30 35 40 -5 0 5 7 10 Outside air temp.(ºC) Outside air temp.(ºC) 4 – 3 Cooling capacity(kW) Input(W) Heating capacity(kW) Input(W)
