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10.1 Problem Symptoms and Measures

Symptom

Check Item

Details of Measure

None of the units
operates

Check the power supply. Check to make sure that the rated voltage is

supplied.

Check the indoor PCB

Check to make sure that the indoor PCB is broken

Equipment

operates but does

not cool, or does

not heat (only for

heat pump)

Diagnosis by service

port

pressure

and

operating current.

Check for insufficient gas.

Large operating

noise

and

vibrations

Check the installation

condition.

Check to make sure that the required spaces for

installation (specified in the Technical Guide, etc.) are

provided.

Domestic air conditioner

10.Service Diagnosis

Service diagnosis

10.2 Parameter of primary electronic appliance

Picture

Parameter

Name

Rated voltage:208/230V

Compressor

Rated current

：

10.3A

Rated frequency

：

60HZ

Resistance

：

52A

Fan motor

Rated voltage

：

208~230V

Rated current

：

0.6A

Rated frequency

：

60HZ

Rated power

：

30W

Содержание York YH9FYC24BAH-A-X

Страница 1: ...SERVICE MANUAL High Wall Fixed R 410A 60Hz YH9FYC24BAH A X Read this manual before installation and operation Make sure that it is well kept for later reference ...

Страница 2: ...1 Introduction 1 2 Specifications 7 3 Sensors list 8 4 Piping diagrams 9 5 Operation range 10 6 Wiring diagrams 7 Dimensional drawings 8 Conter of gravity 9 Installations 10 Service Diagnosis 11 Performance and cerves diagrams 11 21 17 13 12 12 ...

Страница 3: ... disassembling the equipment for a repair Working on the equipment that is connected to a power supply can cause an electrical shook If it is necessary to supply power to the equipment to conduct the repair or inspecting the circuits do not touch any electrically charged sections of the equipment If the refrigerant gas discharges during the repair work do not touch the discharging refrigerant gas ...

Страница 4: ...oom can cause oxygen deficiency 1 1 2 Cautions Regarding Products after Repair Warning Be sure to use parts listed in the service parts list of the applicable model and appropriate tools to conduct repair work Never attempt to modify the equipment The use of inappropriate parts or tools can cause an electrical shock excessive heat generation or fire When relocating the equipment make sure that the...

Страница 5: ...ified power cable can cause an electrical shock or fire Placing heavy items on the power cable and heating or pulling the power cable can damage the cable Do not mix air or gas other than the specified refrigerant R 410A R22 in the refrigerant system If air enters the cooling system an excessively high pressure results causing equipment damage and injury If the refrigerant gas leaks be sure to loc...

Страница 6: ...re If the power cable and lead wires have scratches or deteriorated be sure to replace them Damaged cable and wires can cause an electrical shock excessive heat generation or fire Warning Do not use a joined power cable or extension cable or share the same power outlet with other electrical appliances since it can cause an electrical shock excessive heat generation or fire Caution Check to see if ...

Страница 7: ...to specific information The meaning of each icon is described in the table below 1 2 5 Using Icons List Icon Type of Information Description Note Note A note provides information that is not indispensable but may nevertheless be valuable to the reader such as tips and tricks Caution Caution A caution is used when there is danger that the reader through incorrect manipulation may damage equipment l...

Страница 8: ...h g i e w s s o r G Sound level B d r e w o p d n u o S ELECTRICAL SPECIFICATIONS g n i t a e h g n i l o o c 10 9 A t n e r r u c g n i n n u r l a n i m o N Maximum running current A 14 6 TECHNICAL SPECIFICATIONS PARTS g n i t a e h g n i l o o c Compressor r o s s e r p m o C y r a t o R e p y T ASH232SN l e d o M 2350 W t u p t u o r o t o M Oil type HAF68D1 or equivalent L e m u l o v e g r a...

Страница 9: ...fference m 15 Chargeless m Amount of Additional Charge of Refrigerant g m Note the data are based on the conditions shown in the table below h t g n e l g n i p i P g n i t a e h g n i l o o c Indoor WB Outdoor WB 3 Sensors list type Description Qty 1 i t c e t e d r o f d e s u s t I r o s n e s t n e i b m A e d i s r o o d t u o f o e r u t a r e p m e t g n Suction sensor Its used for detectin...

Страница 10: ...Pinping diagrams 8 Domestic air conditioner ...

Страница 11: ...Operation range 9 Domestic air conditioner ...

Страница 12: ...t exist Note Because of the difference of compressor BR brown Y G yellow green Y yellow B black R red BL blue RELAY OVERLOAD WIRING DIAGRAM OF OUTDOOR UNIT CONTACTOR MAGNETIC CAPACITOR FAN MOTOR CAPACITOR COMPRESSOR 0010556981 B BL 1 W BR R B W C BL B M W BR W R CM S R Power supply B B W Y G Y G W 2 B 3 R Y G L N ...

Страница 13: ...Dimensinal drawings Domestic air conditioner 7 Dimensional drawings 8 Center of gravity 688mm 288mm 810mm 810mm 288mm 810mm 688mm 288mm 338 3mm 284 8mm 113 7mm 11 ...

Страница 14: ...ler on a wall place where the indoor unit can receive signals when the uorescent lamps in the room are lightened Outdoor Unit Place which is less affected by rain or direct sunlight and is suf ciently ventilated Place possible to bear the unit where vibration and noise are not increased Place where discharged wind and noise do not cause a nuisance to the neighbors Place where a distance marked is ...

Страница 15: ...rt from outside the room cable into left side of the wall pipe has already existed Pull out the cable on the front side and connect the cable making a loop Note When connecting the cable con rm the terminal number of indoor and outdoor units carefully If wiring is not correct proper operation can not be carried out and will cause defect Insert the cable from the back side of the unit then pull it ...

Страница 16: ...pes and indoor unit using a vacuum pump then Spanner Forced fastening without careful centering may damage the threads and cause a leakage of gas Pipe Diameter Fastening torque Liquid side6 35mm 1 4 18N m Liquid Gas side9 52mm 3 8 42 N m Gas side 12 7mm 1 2 55N m Gas side 15 88mm 5 8 60 N m 1 Connection of pipes 2 charge additional refrigerant Connection 3 If the drain elbow is used please attach ...

Страница 17: ... breaker 4 Flare pipe Lean Damage of are Crack Partial Too outside t c e r r o c n I t c e r r o C On Drainage It becomes high midway The gap with the ground is too smal There is the bad smell from a ditch It waves The end is imm ersed in water Please install the drain hose so as to be downward slope without fail Please don t do the drainage as shown below Please pour water in the drain pan of the...

Страница 18: ...e and operating current Check for insufficient gas Large operating noise and vibrations Check the installation condition Check to make sure that the required spaces for installation specified in the Technical Guide etc are provided Domestic air conditioner 10 Service Diagnosis Service diagnosis 16 10 2 Parameter of primary electronic appliance Picture Parameter Name NO 1 Rated voltage 208 230V 2 C...

Страница 19: ... E2 Heat exchange sensor failure Method of The temperatures detected by the thermistors are used to determine thermistor errors Malfunction Detection Malfunction when the thermistor input is more than 4 92V or less than 0 08V during compressor n o i t a r e p o n o i s i c e D Conditions Note The values vary slightly in some models Supposed Faulty connector connection Causes Faulty thermistor Faul...

Страница 20: ...aution Be sure to turn off power switch before connect or disconnect connector or parts damage may be occurred 10 3 3 Indoor AC fan motor malfunction Indoor Display E14 Method of The rotation speed detected by the Hall IC during fan motor operation is used to determine Malfunction abnormal fan motor operation Detection Malfunction when the detected rotation feedback signal don t received in 2 minu...

Страница 21: ...f Terminal CN5 on the indoor PCB the voltage is about 90 220vac check whether motor can run when turn on the unit the indoor motor is damaged and need replace Yes Measure whether there is voltage pulse 0 5VDC between the positions middle wire and black wire of Terminal CN2 on the indoor PCB the indoor pcb is damaged and need replace Pull out the terminals on the indoor mainboard and reinsert them ...

Страница 22: ...227 4580 25 18 5423 5273 8647 8153 7394 7005 6771 5062 27 19 5574 5373 8812 8400 7628 7238 6927 5182 30 22 5925 5875 9470 9059 8328 8017 7783 5845 32 23 5976 5925 9635 9223 8484 8095 7861 5905 32 24 6076 6026 9800 9388 8639 8250 8017 6026 outdoor temp humidity 46 cooling value temerature table performance curves 1000 2000 3000 4000 5000 6000 7000 8000 9000 10000 11000 cooling capacity W cooling ca...

Страница 23: ... 3021 3212 3356 1697 25 18 1105 1118 2781 3005 3117 3292 3452 1760 27 19 1158 1138 2845 3069 3164 3324 3516 1776 30 22 1172 1185 2957 3196 3308 3548 3708 1901 32 23 1192 1165 2989 3292 3356 3612 3756 2121 32 24 1212 1145 3037 3356 3404 3676 3804 2279 outdoor temp humidity 46 power consumption value temp table performance curves 100 600 1100 1600 2100 2600 3100 3600 4100 power consumption w indoor ...

Страница 24: ... 19 22 15 6189 6402 6616 25 8280 8366 8536 30 8280 8451 8536 35 8366 8536 8793 40 8451 8878 8878 45 6528 6528 6779 performance curves cooling discharge pressure table indoor temp 1500 2000 2500 3000 3500 4000 15 25 30 35 40 45 DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 16 19 22 ...

Страница 25: ...6 19 22 15 2201 2277 2353 25 2945 2975 3036 30 2945 3005 3036 35 2975 3036 3127 40 3005 3157 3157 45 2321 2321 2411 performance curves cooling suction pressure table indoor temp 350 850 1350 1850 2350 2850 3350 15 25 30 35 40 45 SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 16 19 22 ...

Страница 26: ...2015 Johnson Controls Inc www johnsoncontrols com Doc No MH9FYCAH 151103 24 ...

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