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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.

10.Service Diagnosis

Service diagnosis

16

10.2 Parameter of primary electronic appliance

Picture

Parameter

Name

NO

1

Rated voltage:208/230V

2

Compressor

Rated current

：

5.1A

Rated frequency

：

60HZ

Resistance

：

29.5A

Fan motor

Rated voltage

：

220V

Rated current

：

0.42A

Rated frequency

：

60HZ

Rated power

：

33W

Содержание York YH9FYH12BAH-A-X

Страница 1: ...SERVICE MANUAL High Wall Fixed R 410A 60Hz YH9FYH12BAH A X Read this manual before installation and operation Make sure that it is well kept for later reference ...

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

Страница 3: ...ling 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 The refrig...

Страница 4: ...n enclosed room 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 s...

Страница 5: ...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 locate the leak...

Страница 6: ...l shock or fire 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 Che...

Страница 7: ...f the reader 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 damag...

Страница 8: ...l 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 5 7 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 7 0 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 44A302A l e d o M 1170 W t u p t u o r o t o M Oil type NMOC ZE Gles RB68EP or equivalent L e m u l o v e g r a h c l i O Fan n a f ...

Страница 9: ...0 Chargeless m Amount of Additional Charge of Refrigerant g m Note the data are based on the conditions shown in the table below 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 detecting suction pipe temperature of compressor to adjust gas flowing 1 Conversation formula...

Страница 10: ...Piping diagrams 8 ...

Страница 11: ...Operation range 9 ...

Страница 12: ...no dotted lines on cool only type marked with Wire is connected from 4 marked with on terminal block to 1 1 See above for wiring of heat pump type NOTE 3 Some of cool only type terminal block only have 1 2 and but no the parts 4 The parts are optional ...

Страница 13: ...Dimensinal drawings 7 Dimensional drawings 8 Center of gravity 540mm 245mm 780mm 780mm 245mm 780mm 540mm 245mm 338 3mm 284 8mm 113 7mm 11 ...

Страница 14: ... 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 availabl...

Страница 15: ... unit and pull it out on the front side then connect them 3 Coat the aring seal face with refrigerant oil and connect pipes Cover the connection part with heat insulation materials closely and make sure xing with adhesive tape Fixing the indoor unit body Hang surely the unit body onto the upper notches of the mounting plate Move the body from side to side to verify its secure xing In order to x th...

Страница 16: ...orm air purging from the refrigerant pipes 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 Max Elevation In case the elevation A is more than 5m oil trap shoud ...

Страница 17: ...type Imperial type A 0 0 5mm 1 0 1 5mm 1 5 2 0mm rth leakage 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 drain...

Страница 18: ...e 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 10 Service Diagnosis Service diagnosis 16 10 2 Parameter of primary electronic appliance Picture Parameter Name NO 1 Rated voltage 208 230V 2 Compressor R...

Страница 19: ...e 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 Ŷ Faulty connector connection Causes Ŷ Faulty thermistor Ŷ Faulty PCB Tro...

Страница 20: ... to turn off power switch before connect or disconnect connector or parts damage may be occurred 10 3 3 Indoor AC faQ 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 minutes Decision C...

Страница 21: ...5 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 Is it ok ...

Страница 22: ...287 25 18ć 2708 2633 4317 4071 3692 3497 3381 2527 27 19ć 2783 2683 4400 4194 3808 3614 3459 2587 30 22ć 2958 2933 4728 4523 4158 4003 3886 2918 32 23ć 2984 2958 4811 4605 4236 4042 3925 2948 32 24ć 3034 3009 4893 4687 4314 4119 4003 3009 outdoor temp humidity 46 cooling value temerature table performance curves 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 cooling capacity W cooling capacity ...

Страница 23: ...8 849 25 18ć 552 559 1390 1502 1558 1646 1726 880 27 19ć 579 569 1422 1534 1582 1662 1758 888 30 22ć 586 593 1478 1598 1654 1774 1854 951 32 23ć 596 583 1494 1646 1678 1806 1878 1061 32 24ć 606 573 1518 1678 1702 1838 1902 1139 outdoor temp humidity 46 power consumption value temp table performance curves 100 300 500 700 900 1100 1300 1500 1700 1900 2100 power consumption w indoor tempe DB WB powe...

Страница 24: ...4022 3738 7 6ć 4243 3953 3585 15ć 3472 3294 2803 20ć 3193 3081 2564 25ć 3293 3187 2640 indoor temp humidity 46 heating capacity and indoor outdoor temp table performance curves 0 500 1000 1500 2000 2500 3000 3500 4000 4500 5000 heating capacity W heating capacity and indoor outdoor temp curves 15ć 20ć 25ć 22 ...

Страница 25: ... 6ć 1327 1462 1596 15ć 762 835 908 20ć 562 585 636 25ć 565 591 639 indoor temp humidity 46 power consumption value temp table performance curves 0 200 400 600 800 1000 1200 1400 1600 1800 2000 15ć 5ć 5ć 7 6ć 15ć 20ć 25ć cooling capacity w outdoor tempe DB WB heating capacity and indoor outdoor temp curves 15ć 20ć 25ć 23 ...

Страница 26: ...97 3303 25ć 4134 4177 4262 30ć 4134 4220 4262 35ć 4177 4262 4390 40ć 4220 4433 4433 45ć 3259 3259 3385 performance curves cooling discharge pressure table indoor temp 1500 2000 2500 3000 3500 4000 15ć 25ć 30ć 35ć 40ć 45ć DISCHARGE PRESSURE Outdoor Temp COOLING DISCHARGE PRESSURE 16ć 19ć 22ć ...

Страница 27: ...38 1176 25ć 1472 1488 1518 30ć 1472 1503 1518 35ć 1488 1518 1563 40ć 1503 1579 1579 45ć 1161 1161 1205 performance curves cooling suction pressure table indoor temp 350 550 750 950 1150 1350 1550 1750 15ć 25ć 30ć 35ć 40ć 45ć SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 16ć 19ć 22ć ...

Страница 28: ... 5ć 3760 3858 3976 0ć 3819 3898 4016 5ć 3898 3937 4055 10ć 3771 3884 3941 15ć 3162 3256 3287 20ć 3029 3088 3117 performance curves Heating discharge pressure table indoor temp 1000 1500 2000 2500 3000 3500 4000 15ć 10ć 5ć 0ć 5ć 10ć 15ć 20ć DISCHARGE PRESSURE Outdoor Temp HEATING DISCHARGE PRESSURE 15ć 20ć 25ć 26 ...

Страница 29: ...9 1374 1416 0ć 1360 1388 1430 5ć 1388 1402 1444 10ć 1343 1383 1403 15ć 1126 1159 1171 20ć 1079 1100 1110 performance curves heating discharge pressure table indoor temp 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 15ć 10ć 5ć 0ć 5ć 10ć 15ć 20ć SUCTION PRESSURE Outdoor Temp HEATING SUCTION PRESSURE 15ć 20ć 25ć 27 ...

Страница 30: ...2015 Johnson Controls Inc www johnsoncontrols com Doc No MH9FYHAH 151103 12 ...

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