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Sakata SOB-50VA, Service Manual

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Sakata SOB-50VA Service Manual Download Page 101

Light Commercial R410A on-off 
 

S13-01.01.13en

 

d. Outdoor unit malfunction

 

Outdoor unit malfunction 

No 

Whether the outdoor unit is power on 

Check when the power is on 

Yes 

No 

Replace the outdoor unit 

board 

Measure whether the voltage of the communication line

’s red and black end 

between the indoor and outdoor unit is +5V 

Yes 

Check the indoor unit main board CN5 or replace the main control board 

Yes 

Replace indoor PCB 

e. EEPROM malfunction

 

EEPROM malfunction 

Yes 

EEPROM chip is broken 

Replace EEPROM 

No 

Yes 

Replace 9177 chip 

Check whether the main control chip 9177 is broken 

No 

Check PCB board or replace the main control board 

Outdoor Units. Troubleshooting 

100 

Summary of Contents for SOB-50VA

Page 1: ...S13 01 01 13en Light Commercial Air Conditioner R410A ON OFF Service Manual 2013...

Page 2: ...3en Part 1 General Information 2 Part 2 Indoor Units 8 Part 3 Outdoor Units 82 Part 4 Installation 106 The specifications designs and information in this book are subject to change without notice for...

Page 3: ...ial R410A on off S13 01 01 13en Part 1 General Information 1 Model Names of Indoor Outdoor Units 3 2 External Appearance 4 2 1 Indoor Units 4 2 2 Outdoor Units 5 3 Nomenclature 6 4 Features 7 General...

Page 4: ...atched indoor units Heat Pump SOB 50VA SIB 50BAV SOB 60VA SOB 100YA SANYO SOB 140YA SANYO SOB 200YA SANYO SOB 250YA SANYO SIB 250DAY Type Function 50 60 100 140 200 250 Four way cassette compact Cooli...

Page 5: ...Light Commercial R410A on off S13 01 01 13en 2 External Appearance 2 1 Indoor Units General Information 4 Four way Cassette Four way Cassette Compact Ceiling Floor High Static Pressure Duct...

Page 6: ...Light Commercial R410A on off S13 01 01 13en 2 2 Outdoor Units General Information 5...

Page 7: ...hase 50 Hz Y 3 phases 50 Hz Refrigerant A R410A Capacity 50 5 2kWt 60 7 0kWt 100 10 5kWt 140 14 0kWt 200 17 6kWt 250 28 0Wt Series B Business Product category BA Cassette type TA High static pressure...

Page 8: ...er tube and aluminum fins 4 2 Anti rust 500 hours salt spray test 4 3 Low operation sound level Well known stable and quiet running fan motor 4 4 Well known compressor 4 5 Compact design Smaller dimen...

Page 9: ...Light Commercial R410A on off S13 01 01 13en Part 2 Indoor Units Four way Cassette Type Compact 9 Four way Cassette Type 21 Ceiling Floor Type 41 HSP Duct Type 63 Indoor Units 8...

Page 10: ...2 Specifications 11 3 Dimensions 12 4 Service Space 13 5 Capacity tables 14 6 Wiring Diagrams 15 7 Air Velocity and Temperature Distributions 16 8 Electric Characteristics 17 9 Sound Levels 18 10 The...

Page 11: ...ibution to the heat exchange uniform 4 Improvement for easy installation and maintenance Little space is required for installation into a shallow ceiling Because of the compactness and weight reductio...

Page 12: ...Input W 1881 COP 3 19 Indoor fan motor Model YDK37 4P Qty 1 Input W 80 65 46 Capacitor uF 2UF 400 450V Speed Hi Mi Lo r min 1000 875 710 Indoor coil Number of rows 2 Tube pitch a row pitch b mm 21 13...

Page 13: ...Light Commercial R410A on off S13 01 01 13en 3 Dimensions SIB 50BAV Indoor Units Four way Cassette Type Compact 12...

Page 14: ...Light Commercial R410A on off S13 01 01 13en 4 Service Space Indoor Units Four way Cassette Type Compact 13...

Page 15: ...57 2 81 2 60 Input kW 2 00 1 98 1 73 1 61 1 57 1 38 1 34 Cooling OUTDOOR TEMPERATURE DRY Indoor Conditions 21 C 25 C 30 C 35 C 40 C 45 C 21 C D 15 C W Total capacity kW 4 91 4 86 4 81 4 72 3 77 3 54 S...

Page 16: ...Light Commercial R410A on off S13 01 01 13en 6 Wiring Diagrams SIB 50BAV Indoor Units Four way Cassette Type Compact 15...

Page 17: ...Light Commercial R410A on off S13 01 01 13en 7 Air Velocity and Temperature Distributions Temperature Indoor Units Four way Cassette Type Compact 16 Airflowvelocity...

Page 18: ...410A on off S13 01 01 13en 8 Electric Characteristics Supply Remark MFA Max Fuse Amps A Indoor Units Four way Cassette Type Compact 17 Model Indoor Units Power Hz Voltage Min Max MFA SIB 50BAV 50 220...

Page 19: ...Light Commercial R410A on off S13 01 01 13en 9 Sound Levels Indoor Units Four way Cassette Type Compact 18 Model Noise level dB A H M L SIB 50BAV 44 41 38 FOUR WAY CASSETTE TYPE 1 0m Microphone...

Page 20: ...pe Compact 19 Type SIB 50BAV Power Phase 1 phase Frequency and Voltage 220 240V 50Hz Circuit Breaker Fuse A 40 25 Indoor Unit Power Wiring mm2 3 2 5 Indoor Outdoor Connecting Wiring Ground wire mm2 2...

Page 21: ...Light Commercial R410A on off S13 01 01 13en 11 Field Wiring SIB 50BAV Indoor Units Four way Cassette Type Compact 20...

Page 22: ...Specifications 25 3 Dimensions 27 4 Service Space 28 5 Capacity tables 29 6 Wiring Diagrams 33 7 Air Velocity and Temperature Distributions 35 8 Electric Characteristics 36 9 Sound Levels 37 10 The S...

Page 23: ...airflow volume guarantees the excellent capacity 4 The adoption of the most advanced 3 Dimensional Screw fan Reduces the air resistance passing through Smoothes the air flow Makes air speed distribut...

Page 24: ...sign around the panel preventing the distortion for the panel 10 New outlet frame design to make the phenomena of coagulation great improvement prevent the condensing water from damaging the air guide...

Page 25: ...ight up to 30m refer to 15 Optimal design smaller Control Box Space saving and convenient for wiring Using fire resistance galvanized steel for E box material Metal box make the control part more stab...

Page 26: ...143 116 100 Capacitor uF 3uF 450V 3 5uF 450V Speed Hi Mi Lo r min 800 550 400 770 640 550 Indoor coil Number of rows 2 2 Tube pitch a row pitch b mm 21 13 37 21 13 37 Fin spacing mm 1 5 1 5 Fin type c...

Page 27: ...itor uF 3 5uF 450V 4UF 450V Speed Hi Mi Lo r min 770 640 550 840 640 550 Indoor coil Number of rows 2 3 Tube pitch a row pitch b mm 21 13 37 21 13 37 Fin spacing mm 1 5 1 5 Fin type code Hydrophilic a...

Page 28: ...mensions SIB 60BAV 4 install hanger Gas side Liquid side E parts box Pump inspect hole Drain hole SIB 100BAY SIB 140BAY SIB 200BAY 4 install hanger Gas side Liquid side E parts box Pump inspect hole D...

Page 29: ...tion and maintenance The ceiling is horizontal and its structure can endure the weight of the indoor unit The outlet and the inlet are not impeded and the influence of external air is the least The ai...

Page 30: ...5 32 Input 2 87 2 43 2 14 1 97 1 85 27 C TC 8 97 7 14 5 78 5 62 5 02 Input 3 04 2 62 2 31 2 14 1 99 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 7 53 7...

Page 31: ...2 8 40 Input 4 80 4 07 3 58 3 30 3 09 27 C TC 14 16 11 28 9 12 8 88 7 92 Input 5 09 4 40 3 87 3 58 3 34 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 11...

Page 32: ...ut 6 58 5 58 4 91 4 52 4 24 27 C TC 17 70 14 10 11 40 11 10 9 90 Input 6 97 6 02 5 30 4 91 4 57 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 14 48 14 07...

Page 33: ...ut 6 99 5 92 5 21 4 80 4 50 27 C TC 20 77 16 54 13 38 13 02 11 62 Input 7 40 6 39 5 62 5 21 4 86 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 16 96 16 4...

Page 34: ...Light Commercial R410A on off S13 01 01 13en 6 Wiring Diagrams 6 1 SIB 60BAV Indoor Units Four way Cassette Type 33...

Page 35: ...Light Commercial R410A on off S13 01 01 13en 6 2 SIB 100BAY SIB 140BAY 6 3 SIB 200BAY Indoor Units Four way Cassette Type 34...

Page 36: ...Light Commercial R410A on off S13 01 01 13en 7 Air Velocity and Temperature Distributions Temperature Indoor Units Four way Cassette Type 35 Airflowvelocity...

Page 37: ...ics Remark MFA Max Fuse Amps A Indoor Units Four way Cassette Type 36 Model Indoor Units Power Supply Hz Voltage Min Max MFA SIB 60BAV 50 220 240V 198V 254V 25 SIB 100BAY 50 380 415V 342V 418V 15 SIB...

Page 38: ...on off S13 01 01 13en 9 Sound Levels Indoor Units Four way Cassette Type 37 Model Noise level dB A H M L SIB 60BAV 42 40 39 SIB 100BAY 44 42 41 SIB 140BAY 44 42 41 SIB 200BAY 47 44 43 FOUR WAY CASSETT...

Page 39: ...er Phase 1 phase 3 phase 3 phase Frequency and Voltage 220 240V 50Hz 380 415V 50Hz 380 415V 50Hz Circuit Breaker Fuse A 40 25 25 15 40 25 Indoor Unit Power Wiring mm2 3 2 5 5 2 5 5 2 5 Indoor Outdoor...

Page 40: ...Light Commercial R410A on off S13 01 01 13en 11 Field Wiring Wiring chart SIB 60BAV Indoor Units Four way Cassette Type 39...

Page 41: ...Light Commercial R410A on off S13 01 01 13en SIB 100BAY SIB 140BAY SIB 200BAY Indoor Units Four way Cassette Type 40...

Page 42: ...2 2 Specifications 43 3 Dimensions 46 4 Service Space 47 5 Capacity tables 48 6 Wiring Diagrams 53 7 Air Velocity and Temperature Distributions 55 8 Electric Characteristics 57 9 Sound Levels 58 10 Th...

Page 43: ...ectional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizontal air discharge is widened which secures wider air flow distribution to provide m...

Page 44: ...n motor Model YSK55 4L YSK55 4L Qty 1 1 Input W 125 105 85 125 105 85 Capacitor uF 2 5uF 450V 2 5uF 450V Speed Hi Mi Lo r min 1310 1190 1040 1310 1190 1040 Indoor coil Number of rows 2 3 Tube pitch a...

Page 45: ...YSK59 4D 4 Qty 1 2 Input W 159 142 130 102 98 96 Capacitor uF 3 5uF 450V 2 5uF 450V Speed Hi Mi Lo r min 1290 1170 1060 1230 1130 1070 Indoor coil Number of rows 3 3 Tube pitch a row pitch b mm 21 13...

Page 46: ...72 Heating Indoor fan motor Model YSK59 4D Qty 2 Input W 89 5 81 5 77 5 Capacitor uF 2 5uF 450V Speed Hi Mi Lo r min 1170 1070 995 Indoor coil Number of rows 3 Tube pitch a row pitch b mm 25 4 22 Fin...

Page 47: ...3 Dimensions a Wall mounting installation b Ceiling installation Indoor Units Ceiling Floor 46 Capacity Btu h A B C D E F G 18000 24000 990 660 203 505 506 907 200 36000 1280 660 203 795 506 1195 200...

Page 48: ...Light Commercial R410A on off S13 01 01 13en 4 Service Space Indoor Units Ceiling Floor 47...

Page 49: ...Input 2 20 1 86 1 64 1 51 1 42 27 C TC 7 08 5 64 4 56 4 44 3 96 Input 2 33 2 01 1 77 1 64 1 53 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 5 62 5 46 5...

Page 50: ...78 5 32 Input 2 85 2 42 2 13 1 96 1 84 27 C TC 8 97 7 14 5 78 5 62 5 02 Input 3 02 2 61 2 29 2 13 1 98 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 7 5...

Page 51: ...40 Input 4 75 4 03 3 55 3 26 3 06 27 C TC 14 16 11 28 9 12 8 88 7 92 Input 5 04 4 35 3 83 3 55 3 30 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 11 13 1...

Page 52: ...94 5 03 4 43 4 08 3 83 27 C TC 17 70 14 10 11 40 11 10 9 90 Input 6 29 5 44 4 78 4 43 4 13 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 14 84 14 42 13...

Page 53: ...37 6 25 5 50 5 06 4 75 27 C TC 22 42 17 86 14 44 14 06 12 54 Input 7 81 6 75 5 93 5 50 5 12 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 16 96 16 48 15...

Page 54: ...Light Commercial R410A on off S13 01 01 13en 6 Wiring Diagrams SIB 50TAV SIB 60TAV Indoor Units Ceiling Floor 53...

Page 55: ...Light Commercial R410A on off S13 01 01 13en SIB 100TAY SIB 140TAY SIB 200TAY Indoor Units Ceiling Floor 54...

Page 56: ...Light Commercial R410A on off S13 01 01 13en 7 Air Velocity and Temperature Discharge angle 60 CEILING Airflow velocity Distributions Temperature Indoor Units Ceiling Floor 55...

Page 57: ...Light Commercial R410A on off S13 01 01 13en Discharge angle 60 FLOOR Temperature Airflow velocity Indoor Units Ceiling Floor 56...

Page 58: ...A Max Fuse Amps A Indoor Units Ceiling Floor 57 Model Indoor Units Power Supply Hz Voltage Min Max MFA SIB 50TAV 50 220 240V 198V 254V 16 SIB 60TAV 50 220 240V 198V 254V 25 SIB 100TAY 50 380 415V 342V...

Page 59: ...l R410A on off S13 01 01 13en 9 Sound Levels Ceiling Floor Indoor Units Ceiling Floor 58 Model Noise level dB A H M L SIB 50TAV 43 41 38 SIB 60TAV 45 43 40 SIB 100TAY 45 43 40 SIB 140TAY 50 47 45 SIB...

Page 60: ...60000Btu h Power Phase 1 phase 1 phase 3 phase Frequency and Voltage 220 240V 50Hz 220 240V 50Hz 380 415V 50Hz Circuit Breaker Fuse A 20 16 40 25 40 20 Indoor Unit Power Wiring mm2 3 2 5 3 2 5 5 2 5 I...

Page 61: ...ation in all active conductors should be incorporated in the fixed wiring according to the National Wiring Regulation When wiring please choose the corresponding chart or it may cause damage The signs...

Page 62: ...Light Commercial R410A on off S13 01 01 13en SIB 50TAV SIB 60TAV Indoor Units Ceiling Floor 61...

Page 63: ...Light Commercial R410A on off S13 01 01 13en SIB 100TAY SIB 140TAY SIB 200TAY Indoor Units Ceiling Floor 62...

Page 64: ...t Type 1 Features 64 2 Specifications 65 3 Dimensions 67 4 Service Space 69 5 Wiring Diagrams 70 6 Capacity Tables 72 7 Static Pressure 76 8 Electric Characteristics 77 9 Sound Levels 78 10 The Specif...

Page 65: ...Wired control and group control are available High capacity of cooling heating efficient and energy saving Innovative air supply which provides homogeneous conditioning of the room temperature It can...

Page 66: ...r Model YDK200 4F YDK200 4F Qty 1 1 Input W 500 460 345 500 460 345 Capacitor uF V 15uF 370 450V 15uF 370 450V Speed Hi Mid Lo r min 1060 980 820 1060 980 820 Indoor coil Number of rows 3 3 Tube pitch...

Page 67: ...l YDK360 4F YSK400 4C Qty 1 1 Input W 630 570 435 930 740 592 Capacitor uF V 15uF 370 450V 15uF 370 450V Speed Hi Mid Lo r min 1210 1135 960 1080 920 790 Indoor coil Number of rows 4 3 Tube pitch a ro...

Page 68: ...Light Commercial R410A on off S13 01 01 13en 3 Dimensions Indoor Units HSP Duct Type 67...

Page 69: ...Light Commercial R410A on off S13 01 01 13en Indoor Units HSP Duct Type 68...

Page 70: ...Light Commercial R410A on off S13 01 01 13en 4 Service Space Ensure enough space required for installation and maintenance Indoor Units HSP Duct Type 69...

Page 71: ...Light Commercial R410A on off S13 01 01 13en 5 Wiring Diagrams 5 1 SIB 60DAV 5 2 SIB 100DAY Indoor Units HSP Duct Type 70...

Page 72: ...Light Commercial R410A on off S13 01 01 13en 5 3 SIB 140DAY SIB 200DAY Indoor Units HSP Duct Type 71...

Page 73: ...6 16 5 78 5 32 Input 2 78 2 35 2 07 1 91 1 79 27 C TC 8 97 7 14 5 78 5 62 5 02 Input 2 94 2 54 2 24 2 07 1 93 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB...

Page 74: ...Input 4 64 3 93 3 46 3 19 2 99 27 C TC 14 16 11 28 9 12 8 88 7 92 Input 4 92 4 25 3 74 3 46 3 23 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 11 13 10...

Page 75: ...0 5 00 4 40 4 05 3 80 27 C TC 17 70 14 10 11 40 11 10 9 90 Input 6 25 5 40 4 75 4 40 4 10 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 14 84 14 42 13 72...

Page 76: ...6 38 5 61 5 16 4 85 27 C TC 22 42 17 86 14 44 14 06 12 54 Input 7 97 6 89 6 06 5 61 5 23 Cooling Outdoor conditions DB Indoor Conditions kW 18 C 21 C 28 C 35 C 43 C 21 15 C DB WB TC 16 96 16 48 15 68...

Page 77: ...essure 24 M KODEL 24 MODEL 36 Pa 190 170 150 130 110 100 90 70 50 30 10 900 1000 1100 1200 1300 1400 1500 Air volume m3 h 1600 1700 1800 MODEL 48 MODEL 60 Indoor Units HSP Duct Type 76 External static...

Page 78: ...eristics Remark MFA Max Fuse Amps A Indoor Units HSP Duct Type 77 Model Indoor Units Power Supply Hz Voltage Min Max MFA SIB 60DAV 50 220 240V 198V 254V 15 SIB 100DAY 50 380 415V 342V 418V 25 SIB 140D...

Page 79: ...13 01 01 13en 9 Sound Levels Indoor Units HSP Duct Type 78 Model Noise level dB A H M L SIB 60DAV 46 45 44 SIB 100DAY 56 54 50 SIB 140DAY 58 56 51 SIB 200DAY 57 53 50 Concealed Duct Type Discharge Suc...

Page 80: ...ase 3 phase Frequency and Voltage 220 240V 50Hz 380 415V 50Hz Circuit Breaker Fuse A 30 15 40 25 Indoor Unit Power Wiring mm2 3x2 5 5x2 5 Indoor Outdoor Connecting Wiring mm2 Ground Wiring Outdoor Uni...

Page 81: ...Light Commercial R410A on off S13 01 01 13en 11 Field Wiring SIB 60DAV Indoor Units HSP Duct Type 80...

Page 82: ...Light Commercial R410A on off S13 01 01 13en SIB 100DAY SIB 140DAY SIB 200DAY Indoor Units HSP Duct Type 81...

Page 83: ...1 01 13en Part 3 Outdoor Units Specifications 83 1 2 Dimensions 85 3 Service Space 87 4 Piping Diagrams 88 5 Wiring Diagrams 90 6 Electric Characteristics 93 7 Operation Limits 94 8 Sound Levels 95 9...

Page 84: ...nal Capacitor F 50 F 440V 450V 50 F 440V 450V Refrigerant oil ml ESTER OIL VG74 750 ESTER OIL VG74 950 Outdoor fan motor Model YDK48 6H A YDK100 6D Qty 1 1 Input W 110 168 7 Capacitor F 3 F 450V 5 F 4...

Page 85: ...Model YDK190 6D B YDK65 6 YDK65 6F YDK65 6 YDK65 6F Qty 1 2 2 Input W 290 148 156 148 140 Capacitor F 10 F 450V 3 5UF 450V 2 3 5 F 450V 2 Speed r min 830 800 800 Outdoor coil Number of rows 2 2 2 Tube...

Page 86: ...Commercial R410A on off S13 01 01 13en 2 Dimensions mm Outdoor Units 85 Model A B C D E F H SOB 50VA 762 530 290 315 270 282 593 SOB 60VA 842 560 335 360 312 324 695 SOB 100YA 990 624 366 396 340 354...

Page 87: ...Light Commercial R410A on off S13 01 01 13en mm Outdoor Units 86 Model A B C D E F H SOB 140YA 900 590 378 400 330 340 1167 SOB 200YA 900 590 378 400 330 340 1167...

Page 88: ...mercial R410A on off S13 01 01 13en 3 Service Space Wall or obstacle More than 30cm Air inlet More than 60cm More than 30cm Maintain channel Air inlet More than 60cm Air outlet More than 200cm Outdoor...

Page 89: ...VALVE 3 WAY VALVE ACCUMULATOR COOLING HEATING COMPRESSOR For SOB 50VA SOB 60VA the accumulator is not included SOB 140YA INDOOR OUTDOOR CHECK VALVE Heating Model only LIQUID SIDE 2 WAY VALVE T3 Conde...

Page 90: ...ID SIDE 2 WAY VALVE T3 Condenser sensor CAPILIARY TUBE HEAT EXCHANGE EVAPORATOR HEAT EXCHANGE CONDENSER T4 Ambient temp T2 Evaporator temp sensor GAS SIDE 3 WAY VALVE Compressor Oil separator COOLING...

Page 91: ...Light Commercial R410A on off S13 01 01 13en 5 Wiring Diagrams SOB 50VA Outdoor Units 90...

Page 92: ...Light Commercial R410A on off S13 01 01 13en SOB 60VA SOB 100YA Outdoor Units 91...

Page 93: ...Light Commercial R410A on off S13 01 01 13en SOB 140YA SOB 200YA Outdoor Units 92...

Page 94: ...en 6 Electric Characteristics Outdoor Units 93 Model Outdoor Unit Hz Voltage Min Max SOB 50VA 50 220 240V 198V 254V SOB 60VA 50 220 240V 198V 254V SOB 100YA 50 380 415V 342V 418V SOB 140YA 50 380 415V...

Page 95: ...43 24 21 5 17 30 17 30 Indoor temperature WB Indoor temperature DB Outdoor Units 94 Outdoor temperature DB Outdoor temperature WB Standard operation Standard operation Operation mode Outdoor temperat...

Page 96: ...8000Btu h 48000Btu h 60000Btu h Outdoor Unit 1 0m Note H 0 5 height of outdoor unit Note The point A is in the middle of the whole outdoor panel Outdoor Units 95 Model Noise level dB A SOB 50VA 54 SOB...

Page 97: ...Light Commercial R410A on off S13 01 01 13en 9 Troubleshooting 9 1 Self diagnosis Indoor unit s LED indication 1 For Big Four way cassette Outdoor Units Troubleshooting 96...

Page 98: ...2 For A5 Duct 3 For AHU indoor unit The LED on indoor PCB 4 For CONSOLE Outdoor Units Troubleshooting 97 Type Contents LED1 LED2 LED3 ERROR Pipe Temp sensor error Quick flash Off Off ERROR Wire contro...

Page 99: ...ype Contents LED Flashing Remark 1 Normal Standing by Operation lamp flashes at Nothing wrong with the unit when LED indicate these contents 2 Normal System Off All lamps are off 3 Normal System start...

Page 100: ...p sensor Replace indoor PCB b Evaporator temperature sensor is abnormal Evaporator temperature sensor is abnormal No Whether the resistance of the evaporator temp sensor is 10K Replace evaporator temp...

Page 101: ...of the communication line s red and black end between the indoor and outdoor unit is 5V Yes Check the indoor unit main board CN5 or replace the main control board Yes Replace indoor PCB e EEPROM malfu...

Page 102: ...l Yes Yes Check whether the water level switch is broken Replace the water level switch No No Replace the water pump Check whether the water pump is normal Yes Check PCB board or replace the main cont...

Page 103: ...current normally Is the current in rated range No Yes Possible reason The outdoor PCB is defective 1 2 3 4 5 Outdoor fan is defective The compressor is defective Refrigerant is over charged Air enter...

Page 104: ...nit is bad ventilation Refrigerant is leakage K1 switch is defective 1 2 3 4 The wires is loose to K2 Air or other gas in the refrigerant Heat exchanger is dirty Outdoor fan or fan blade is defective...

Page 105: ...place the sensor Indoor PCB is defective g High temperature protection of condenser High temperature protection of condenser Check the resistance of the temp sensor according to Annex 1 is it normal N...

Page 106: ...5 0 41164 4 44 0000 36 6 13059 76 1 34105 116 0 40060 3 41 5878 37 5 87359 77 1 29078 117 0 38991 2 39 8239 38 5 62961 78 1 25423 118 0 37956 1 37 1988 39 5 39689 79 1 21330 119 0 36954 0 35 2024 40 5...

Page 107: ...01 01 13en Part 4 Installation 1 Precaution on Installation 107 2 Vacuum Dry and Leakage Checking 108 3 Additional Refrigerant Charge 110 4 Water Drainage 111 5 Insulation Work 114 6 Wiring 116 7 Tes...

Page 108: ...repair points Locate The Pipe Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover Bind the connecting pipe and the...

Page 109: ...nment common vacuum dry special vacuum dry Common vacuum dry procedure Vacuum dry for the first time connect the all purpose detector to the inlet of liquid pipe and gas pipe and run the vacuum pump m...

Page 110: ...me Fill nitrogen to 0 5Kgf cm2 Because nitrogen is for drying gas it has vacuum drying effect during vacuum destroy But if the moisture is too much this method can t dry thoroughly So please pay more...

Page 111: ...accidents so always ensure that the appropriate refrigerant is charged Refrigerant containers shall be opened slowly Always use protective gloves and protect your eyes when charging refrigerant The o...

Page 112: ...r unit After powering on there is some water in water receiver plate Please check if the drain pump can operate correctly All connection should be firm Wipe color on PVC pipe to note connection Climbi...

Page 113: ...ge without drain pump After finishing drainpipe installation pour some water into the water receiver plate to check if the water flows smoothly 4 5 2 Drainage with drain pump Poke the Water Level Swit...

Page 114: ...mp flashes even overflow from the water receipt plate Keep on pouring water until it gives an alarm signal for high water level check if the pump drains water at once If the water level can t fall bel...

Page 115: ...expanding area and the flange area should be heat insulated 5 2 2 Insulation for non jointing parts and non connection parts For construction convenience before laying pipes use insulation material to...

Page 116: ...5 4 1 The jointing area expanding area and the flange area should be heat insulated after passing the pressure test 5 4 2 The gas and liquid pipe should be heat insulated individually the connecting p...

Page 117: ...Light Commercial R410A on off S13 01 01 13en 6 Wiring Please refer to the Wiring Diagram Installation 117...

Page 118: ...ioner is pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test operation...

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