York YHUJYH(024-060)BAR(S)XA-X(Y) Installation Manual Download Page 19 | Manualshive

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Troubleshooting

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24K 28K 36K 48K(R)(X) 48K(S)(X) 48K(S)(Y) 60K

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Summary of Contents for YHUJYH(024-060)BAR(S)XA-X(Y)

Page 1: ...Read this manual before installation and operation Make sure that it is well kept for later reference INSTALLATION MANUAL Outdoor Inverter R410a 50 60HZ 0150512349 YHUJYH 024 060 BAR S XA X Y ...

Page 2: ...Contents English Safety Precautions Read Before Installation Name of Parts Installation Procedure Troubleshooting 3 7 10 11 18 ...

Page 3: ......

Page 4: ...d be checked for any damages If the damaged base is not repaired the unit may fall down and cause accidents When need maintenance and repairment call dealer to handle it Incorrect maintenance and repairment may cause water leak electrical shock and fire hazard Air conditioner can t be installed in the environment with inflammable gases because the inflammable gases near air conditioner may cause f...

Page 5: ...t to run an abnormal cycle and abnormal cycle and cause the unit to burst In the event of a refrigerant gas leak provide adequate ventilation to the room If leaked refrigerant gas is exposed to a heat source noxious gases may form Do not touch the fins on the heat exchanger with bare hands for they are sharp and dangerous Do not try to defeat the safety features of the devices and do not change th...

Page 6: ...oat flares and flange connections Use liquid refrigerant to charge the system Charge the unit with gas refrigerant will cause the refrigerant in the cylinder to change its composition and will lead to a drop in performance Do not use a charging cylinder The use of charging cylinder will change the composition of the refrigerant and lead to power loss Exercise special care when handling the tools A...

Page 7: ...lling draining pipes follow the instructions in the manual and make sure that they properly drain water so as to avoid dew condensation If not installed properly they may cause water leaks and damage the furnishings Do not spray water on the air conditioners or immerse the air conditioners in water Water on the unit presents a risk of electric shock Periodically check the platform on which is plac...

Page 8: ... Refrigerant charging Vacuum Gauze Checking vacuum degree Tools Materials Use Notes Charging Cylinder Refrigerant Charging Must not be used with R410 type units CAUTION Items to Be Checked 1 Verify the type of refrigerant used by the unit to be serviced Refrigerant Type R410A 2 Check the symptom exhibited by the unit to be serviced Look in this service handbook for symptoms relating to the refrige...

Page 9: ...ness If a clutch type flare tool is used to machine flares on units that use R410A make the protruding part of the pipe between 1 0 and 1 5mm Copper pipe gauge for adjusting the length of pipe protrusion is useful Size mm Radial Thickness mm Size inch Type Type O pipes Type 1 2H or Hpipes Piping Materials Types of Copper Pipes Reference The table shows the standards in Japan Using this table as a ...

Page 10: ...oil from flowing back into the refrigerant circuit when the vacuum pump power is turned off power failure It is also possible to attach a check valve to the actual vacuum pump afterwards Standard degree of vacuum for the vacuum pump Use a pump which reaches 65Pa or below after 5 minutes of operation In addition be sure to use a vacuum pump that has been properly maintained and oiled using the spec...

Page 11: ...inlet Compressor Inside of unit Air outlet 28K 36K 48K R X 48K S X Air inlet Air outlet Inside of unit Compressor Air inlet Air outlet Compressor Inside of unit 48K S Y 60K Air inlet Air outlet Compressor Inside of unit 24K ...

Page 12: ... winter time Place where obstacles do not exist near the air inlet and air outlet Place where the air outlet may not be exposed to a strong wind Place surrounded at four sides are not suitable for installation A 1m or more of overhead space is needed for the unit Avoid mounting guide louvers to the place where short circuit is a possibility When installing several units secure sufficient suction s...

Page 13: ... Procedure 3 Installation dimension Unit mm 12 580 Installation of Outdoor Unit 28K 36K 48K R X 48K S X 48K S Y 60K 380 340 25 580 340 380 948 840 447 410 648 180 180 25 830 1008 25 1250 948 730 633 308 340 860 24K ...

Page 14: ... centering may damage the threads and cause a gas leakage Model One way piping length Vertical height difference between indoor and outdoor Install the removed flare nuts to the pipes to be connected then flare the pipes Gas pipe 15 88x1 0mm Liquid pipe Gas pipe 9 52x0 8mm 19 05x1 0mm Liquid pipe 9 52x0 8mm 5 For the allowable pipe length and height difference for maxi split system please see the ...

Page 15: ...rected during test Check if the pressure drops If the pressure does not drop then pass If the pressure drops then please check the leaking point Cylinder pressure gauge Cylinder of nitrogern Line pressure gauge Tubing bring brazed Sweat joint Large slip on connector Service hose Additional Refrigerant Charge Outdoor Completely tightened Completely tightened Flare part Outdoor units Manhole Dischar...

Page 16: ...discharge whole refrigerants from the service port After flaring work again and vacuumize fill up prescribed refrigerant from the gas cylinder Detach the charge hose from the service port open liquid stop valve and gas stop valve Turn the valve rod anticlockwise until hitting lightly To prevent the gas leakage turn the service ports cap the valve rodis cap for liquid stop valve and gas stop valve ...

Page 17: ... All the cables shall have got the European authentication certificate During installation when the connecting cables break off it must be assured that the grouding wire is the last one to be broken off The breaker of the air conditioner should be all pole switch and the distance between its two contacts should not be no less than 3mm Such means for disconnection must be incorporation in the fixed...

Page 18: ...12 hrs to energize the crankcase heater in advance of operation 2 Test run Suction pressure at check joint of service valve for gas pipe Discharge pressure at check joint on the compressor discharge pipe Temperature difference between return air and supply air for indoor unit Run the unit continuously for about 30 minutes and check the following MAXI SPLIT SYSTEM UNITS WIRING DIGRAM Note 1 The mas...

Page 19: ...Troubleshooting 18 24K 28K 36K 48K R X 48K S X 48K S Y 60K ...

Page 20: ...2014 Johnson Controls lnc www johnsoncontrols com Johnson Controls reserve the right to change product features without prior notice AHUJXHAMX 140301 ...

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