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Service diagnosis

19

Check whether terminals

on indoor pcb is well?

Electrify the machine again and turn it on in the cooling operation,

Measure voltage between the positions 1and 3 of 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.

Is it ok?

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Содержание York YH9FYH18BAH-A-X

Страница 1: ...SERVICE MANUAL High Wall Fixed R 410A 60Hz YH9FYH18BAH 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: ... 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 8 5 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 10 9 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 50A452PL l e d o M 1805 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 l...

Страница 9: ...erence 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 detecting ...

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 640mm 245mm 780mm 780mm 245mm 780mm 640mm 245mm 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: ... 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: ...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 drainage as shown below Please pour water in the...

Страница 18: ...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 19: ...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 20: ...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 21: ... 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 minutes Decision C...

Страница 22: ...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 23: ...668 3433 25 18ć 4065 3953 6482 6112 5543 5251 5076 3794 27 19ć 4178 4028 6606 6297 5718 5426 5193 3885 30 22ć 4442 4404 7099 6791 6243 6010 5835 4382 32 23ć 4480 4442 7223 6914 6360 6068 5893 4427 32 24ć 4555 4517 7346 7038 6476 6185 6010 4517 outdoor temp humidity 46 cooling value temerature table performance curves 1000 2000 3000 4000 5000 6000 7000 8000 cooling capacity W cooling capacity and i...

Страница 24: ...2403 2510 1269 25 18ć 826 836 2080 2247 2331 2463 2582 1316 27 19ć 867 852 2128 2295 2367 2487 2630 1328 30 22ć 877 887 2212 2391 2475 2654 2773 1422 32 23ć 892 872 2236 2463 2510 2702 2809 1587 32 24ć 907 857 2271 2510 2546 2750 2845 1704 outdoor temp humidity 46 power consumption value temp table performance curves 100 600 1100 1600 2100 2600 3100 power consumption w indoor tempe DB WB power con...

Страница 25: ...ć 6661 6039 5612 7 6ć 6371 5935 5382 15ć 5213 4945 4209 20ć 4794 4626 3850 25ć 4945 4786 3963 indoor temp humidity 46 heating capacity and indoor outdoor temp table performance curves 0 1000 2000 3000 4000 5000 6000 7000 heating capacity W heating capacity and indoor outdoor temp curves 15ć 20ć 25ć 22 ...

Страница 26: ...ć 1986 2187 2388 15ć 1140 1249 1359 20ć 840 876 951 25ć 845 884 955 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 27: ...99 4959 25ć 6207 6271 6399 30ć 6207 6335 6399 35ć 6271 6399 6591 40ć 6335 6655 6655 45ć 4894 4894 5082 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 28: ... 1703 1760 25ć 2203 2225 2271 30ć 2203 2248 2271 35ć 2225 2271 2339 40ć 2248 2362 2362 45ć 1736 1736 1803 performance curves cooling suction pressure table indoor temp 350 850 1350 1850 2350 2850 15ć 25ć 30ć 35ć 40ć 45ć SUCTION PRESSURE Outdoor Temp COOLING SUCTION PRESSURE 16ć 19ć 22ć ...

Страница 29: ... 5ć 5645 5793 5970 0ć 5734 5852 6029 5ć 5852 5911 6088 10ć 5662 5832 5916 15ć 4747 4888 4935 20ć 4548 4636 4680 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 30: ...2076 2139 5ć 2076 2097 2160 10ć 2009 2069 2099 15ć 1685 1735 1751 20ć 1614 1645 1661 performance curves heating discharge pressure table indoor temp 400 500 600 700 800 900 1000 1100 1200 1300 1400 1500 1600 1700 1800 1900 2000 2100 2200 2300 15ć 10ć 5ć 0ć 5ć 10ć 15ć 20ć SUCTION PRESSURE Outdoor Temp HEATING SUCTION PRESSURE 15ć 20ć 25ć 27 ...

Страница 31: ...2015 Johnson Controls Inc www johnsoncontrols com Doc No MH9FYHAH 151103 18 ...

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