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Commercial Air Conditioning 

SERVICE MANUAL 

Models 

Outdoor:  

YJU3YH019BAR

R

A-X

 

      

YJU4YH025BAR

R

A-X

 

       

YJU4YH030BAR

R

A-X

 

      

YJU5YH034BAR

R

A-X

 

YHKMXH009BAR

R

-FX

 

YHKMXH012BAR

R

-FX

 

YHKMXH018BAR

R

-FX

 

YHKMXH024BAR

R

-FX

 

YHFMXH012BAR

R

-FX

 

YHFMXH018BAR

R

-FX

 

YHFMXH024BAR

R

-FX

 

YHDMXH009BAR

R

-FX

 

YHDMXH012BAR

R

-FX

 

YHDMXH018BAR

R

-FX

 

YHDMXH024BAR

R

-FX

Indoor: 

   

MULTI

 Split series 

___________________________________________________________________________________ 

Summary of Contents for YHKMXH009BARR-FX

Page 1: ...U5YH034BARRA X YHKMXH009BARR FX YHKMXH012BARR FX YHKMXH018BARR FX YHKMXH024BARR FX YHFMXH012BARR FX YHFMXH018BARR FX YHFMXH024BARR FX YHDMXH009BARR FX YHDMXH012BARR FX YHDMXH018BARR FX YHDMXH024BARR F...

Page 2: ...d troubleshooting 95 7 Outdoor performance curves 101 8 Indoor air velocity and temperature distribution curves 105 9 Air flow and static pressure chart 111 10 Noise level 113 11 Sensor characteristic...

Page 3: ...ng WB 6 18 Climate type Type of Air Conditioner T1 T2 T3 Cooling Only 18 43 10 35 21 52 Heat pump 7 43 7 35 7 52 Electricity Heating 43 35 52 1 1 Brief Introduction for T1 T2 T3 working condition 1 2...

Page 4: ...avoid the earth getting warmer Benefit for the environment High voltage communication convenient wiring work Connect indoor and outdoor directly and there is no communication wire between indoors Thus...

Page 5: ...ersal power supply for 50Hz and 60Hz The multi upgrade series adopts universal power supply for 50Hz and 60Hz which is convenient for design Much wider application Outdoor unit 220V 1 50 60Hz Picture...

Page 6: ...rmance data are from the combination of 3U19FS1ERA 3 AS09CS1ERA 2 Large drop and long piping installation will obviously reduce the total capacity Indoor units number 1 3 Fan type Number Fan motor mod...

Page 7: ...s 2 1 The above performance data are from the combination of 4U25HS1ERA 4 AS09CS1ERA 2 Large drop and long piping installation will obviously reduce the total capacity Twin Rotary DC inverter 0 88 Ind...

Page 8: ...3 0 40 3 9 52 A B C 1 12 7 D 1 The above performance data are from the combination of 4U30HS1ERA 4 AS09CS1ERA 2 Large drop and long piping installation will obviously reduce the total capacity Flared...

Page 9: ...OU 15 7 5 25 Piping Connecting method 80 Pipe size 5 6 35 4 9 52 A B C D 1 12 7 E Defrosting method Refrigerant 58 77 88 R410A 3 2 40 20 Dimension WxDxH 948 340 840 1040 430 1000 PMVs Refrigerant cont...

Page 10: ...4 Gas Type 1PH 220 230V 50 60HZ 690 620 560 718 680 380 PVC 26 32 0 272 2 7 570 570 260 2 8 4 8 Weight Net Shipping Item Model Air flow H M L Heat exchanger Type Diameter CENTRIFUGALX1 0 03 620 520 4...

Page 11: ...Indoor unit Fan CENTRIFUGALX1 1000 900 800 50 0 05 550 450 400 Item Model Function Capacity 2 7 Type Diameter Total Area Temp scope Dehumidifying capacity 37 34 31 Weight Net Shipping 14 16 wired NONE...

Page 12: ...olor PB 700IB WHITE Dimension 700 700 60 740 750 115 Weight Net Shipping 3 5 4 5 Noise level sound power H M L 51 47 43 Weight Net Shipping 18 5 23 Electricity Heater NONE Noise level sound presure H...

Page 13: ...d Noise level sound power H M L 52 48 44 Weight Net Shipping 26 3 32 3 Electricity Heater NONE Noise level sound presure H M L 41 37 33 Control type Remote wired Remote YR HD Fresh air hole dimension...

Page 14: ...er Temp scope Dimension Drainage pipe material I D O D Control type Remote Wired Weight Net Shipping PIPING 14 16 R410A Liquid 6 35 1 4 9 52 3 8 Noise level sound presure H M L 37 34 31 Noise level so...

Page 15: ...pping 18 5 23 Panel Panel model color PB 700IB WHITE Dimension 700 700 60 740 750 115 Weight Net Shipping 3 5 4 5 Noise level sound presure H M L 42 37 35 Noise level sound power H M L 53 48 46 Contro...

Page 16: ...se level sound power H M L 55 52 47 Weight Net Shipping 28 3 34 3 Electricity Heater NONE Noise level sound presure H M L 44 41 36 Control type Remote wired Remote YR HD Fresh air hole dimension NONE...

Page 17: ...Method flared Noise level sound power H M L 52 46 43 Weight Net Shipping 23 26 5 Noise level sound presure H M L 41 35 32 Control type Remote Wired wired YR E14 Dimension 1090 500 220 1174 549 294 Dra...

Page 18: ...olor PB 950JB WHITE Dimension 950 950 80 985 985 115 Weight Net Shipping 6 0 9 0 Noise level sound power H M L 57 54 48 Weight Net Shipping 26 8 32 6 Noise level sound presure H M L 46 43 36 Control t...

Page 19: ...Method flared Noise level sound power H M L 59 57 55 Weight Net Shipping 28 3 34 3 Noise level sound presure H M L 48 46 44 Control type Remote wired Remote YR HD Dimension 990 655 199 1150 750 300 Dr...

Page 20: ...evel sound power H M L 60 56 52 48 Weight Net Shipping 25 2 28 4 Noise level sound presure H M L 49 45 41 37 Control type Remote Wired wired YR E14 Dimension 1090 500 220 1174 549 294 Drainage pipe ma...

Page 21: ...0 6 21 50 Liquid pipe 6 35 flared 1 4 Gas pipe 9 52 flared 3 8 A B C unit 12 7 flared 1 2 D unit D unit connection C unit connection B unit connection A unit connection Handle 311 408 28 163 45 315 84...

Page 22: ...n Handle 311 408 28 73 45 405 840 948 Indoor and outdoor connect wiring hole 537 30 48 Handle Handle Air outlet Air inlet Air inlet 184 580 184 70 380 413 35 35 340 E unit connection 22 YJU5YH034BARRA...

Page 23: ...VWNURUP MRTNUZRVU8 99TT 7WJUNS MRTNUZRVU8 HGFI D 9 A9 OYNZQ JRY QVSN Z ZWNUZRVU QVSMNY 9TT 9TT 9TT V NYSJWNM MRZ JULN KN NNU QN LNRSRUP JUM QN WJUNSC TT LNRSRUP WJUNS A9 99 EJZZN N UR C 5 7 8697 8 4 3...

Page 24: ...BARR FX YHDMXH012BARR FX YHDMXH018BARR FX YHDMXH024BARR FX YHDMXH009BARR FX YHDMXH012BARR FX YHDMXH018BARR FX YHDMXH024BARR FX _________________________________________________________________________...

Page 25: ...740 hanging position 860 890 ceiling hole VIEW A VIEW A 1000 over o v e r over o v e r over 25 Cassette type unit 24 ___________________________________________________________________________________...

Page 26: ...a rated data max Data min data rated data max Data rated capacit y 7 2 3 1 0 2 3 4 0 0 5 0 6 1 5 2 1 2 66 5 8 3 83 A 9 2 9 1 0 2 9 4 1 0 5 0 8 1 4 2 1 3 55 6 0 3 63 A 12 3 8 1 0 3 8 4 1 0 5 1 1 1 5 2...

Page 27: ...29 16 8 3 25 A 7 12 12 1 69 2 96 2 96 1 2 7 6 8 6 0 55 2 19 3 5 2 50 10 57 16 8 3 47 A 7 12 18 1 45 2 53 3 62 1 2 7 6 8 8 0 55 2 34 3 5 2 50 11 29 16 8 3 25 A 9 9 9 2 50 2 50 2 50 1 2 7 5 8 1 0 55 2...

Page 28: ...A 7 12 12 2 00 3 30 3 30 1 5 8 6 9 5 0 55 2 21 3 5 2 50 9 80 16 8 3 89 A 7 12 18 1 71 2 82 4 08 1 5 8 6 9 5 0 55 2 26 3 5 2 50 10 02 16 8 3 81 A 9 9 9 2 87 2 87 2 87 1 5 8 6 9 5 0 55 2 21 3 5 2 50 9 8...

Page 29: ...38 A 12 12 18 2 36 2 36 3 38 1 50 8 10 9 80 0 55 2 40 3 80 2 50 10 65 17 90 3 37 A 12 12 24 2 10 2 10 3 90 1 50 8 10 9 80 0 55 2 45 3 80 2 50 10 87 17 90 3 31 A 12 18 18 2 10 3 00 3 00 1 50 8 10 9 80...

Page 30: ...27 3 27 1 50 9 80 10 50 0 55 2 58 3 80 2 50 11 45 15 00 3 80 A 12 12 18 2 84 2 84 4 11 1 50 9 80 10 50 0 55 2 60 3 80 2 50 11 54 15 00 3 77 A 12 12 24 2 55 2 55 4 70 1 50 9 80 10 50 0 55 2 65 3 80 2 5...

Page 31: ...A 9 12 12 2 50 3 50 3 50 1 5 9 5 10 2 0 55 3 04 4 0 2 5 13 49 19 0 3 13 B 9 12 18 2 27 3 18 4 55 1 5 10 0 10 5 0 55 3 04 4 0 2 5 13 49 19 0 3 29 A 9 12 24 2 00 2 80 5 20 1 5 10 0 10 5 0 55 3 04 4 0 2...

Page 32: ...2 90 5 50 1 2 8 4 8 4 0 50 2 40 4 00 2 15 10 65 19 0 3 50 B 9 24 2 90 7 00 1 2 9 9 9 9 0 50 2 70 4 00 2 15 11 98 19 0 3 67 A 12 18 4 37 6 33 1 2 10 7 9 3 0 50 2 90 4 00 2 15 12 87 19 0 3 69 A 12 24 3...

Page 33: ...A 9 9 9 12 2 48 2 48 2 48 3 25 1 8 10 7 11 5 0 55 2 87 4 0 2 5 12 73 19 0 3 73 A 9 9 9 18 2 19 2 19 2 19 4 14 1 8 10 7 11 5 0 55 2 85 4 0 2 5 12 64 19 0 3 75 A 9 9 12 12 2 32 2 32 3 03 3 03 1 8 10 7 1...

Page 34: ...the connecting wires between indoor and outdoor units terminals match with each other and ensure the sequence numbers on YJU3YH019BARRA X _____________________________________________________________...

Page 35: ...ing wires between indoor and outdoor units terminals match with each other and ensure the sequence numbers on YJU4YH025 30BARRA X ______________________________________________________________________...

Page 36: ...cting wires between indoor and outdoor units terminals match with each other and ensure the sequence numbers on YJU5YH034BARRA X _______________________________________________________________________...

Page 37: ...oor units when the location of the outdoor unit is among indoor units 1 15 m Drop between every two indoor units when the location of the outdoor unit is at one side of indoor units 1 7 5 H m Drop bet...

Page 38: ...ng length 40 70 m Drop between every two indoor units when the location of the outdoor unit is among indoor units 1 15 m Drop between every two indoor units when the location of the outdoor unit is at...

Page 39: ...0 25 L1 L2 L3 L4 L5 m Total liquid piping length 40 80 m Drop between every two indoor units when the location of the outdoor unit is among indoor units 1 15 m Drop between every two indoor units when...

Page 40: ...stop valves are E D C B A Note For better oil return and more reliable system please execute as the above when connecting indoor unit D D C D C B D C B A connection priority between indoor and stop v...

Page 41: ...p the insulation pipe with the finishing tape from bottom to top Cut thermal insulation pipe to an appropriate length and wrap it with tape making sure that no gap is left in the insulation pipe s cut...

Page 42: ...2 Selecting a location for installation of the indoor units The maxinum allowable length of refrigerant piping and the maxmum allowable height difference between the outdoor and indoor units are list...

Page 43: ...42 ___________________________________________________________________________________ ___________________________________________________________________________________...

Page 44: ...ecting all the connection and loosening then retightening thenuts reqeat steps 2 4 Remove covers from liquid stop valve and gas stop valve Turn the liquid stop valve s rod 90 degrees counterclockwise...

Page 45: ...to change preventing normal operation 1 Before filling check whether the cylinder has a siphon attached or not It should have something like liquid filling siphon attached displayed on it 2 Be sure to...

Page 46: ...used for previous installations Only use parts which are delivered with the unit 4 Do never install a drier to this R410A unit in order to guarantee its lifetime 5 The drying material may dissolve and...

Page 47: ...nch Close In order to protect the environment be sure to pump down when relocating or disposing of the unit 1 Remove the valve caps from liquid stop valve and gas stop valve 2 Carry out forced cooling...

Page 48: ...Improper contact will affect protection Do not connect the power line to the connecting end of communication wire Incorrect connection will cause damage to the connected unit 4 Wiring method of indoo...

Page 49: ...according to the operation manual Please kindly explain to our customers how to operate through the instruction manual ON 4 3 2 1 CN2 CN3 CN1 CN4 SW1 4 3 2 1 5 Seven segment numeric display 1 When un...

Page 50: ...n khp odkqh a qoa ej pda _ oa kb hna u ateopo _aehejc0 Gks jas _aehejc qoa bhqod ej pula khp qehp ej pula khp kn l npo lnap na ej pda beah 0 Cabkna ckejc kj ejop hhejc fqop ol _a pk _aehejc0 30Jjop hh...

Page 51: ...cdp j lkoepekj kb pda qjep0 5 Qnk_aa sepd lnk_a qna 6 kb Jj pda _ oa kb jk _aehejc 60 Jjop hh pekj kb s pan n ej ca lela 3 Jjop hh s pan n ej ca lela Qela e iapan od hh a amq h kn h ncan pd j pd p kb...

Page 52: ...han kn lkhupdaja lela behha sepd s pan j _da_g pd p pda eiajoekj kb pda _aehejc klajejc eo _knna_p0 U ga kbb pda haran c qca abkna ejop hhejc pda knj iajp l jah0 4 G opaj pda o_naso pk i ga pda daecdp...

Page 53: ...jpnkh kt 90 Qelejc Dkjja_pekj Gep pda jqp kj j b opaj Uda i teiqi hajcpd j nkl daecdp kb _kjja_pejc lela Uda i teiqi hajcpd eo 42i Uda i teiqi nkl daecdp eo 32i0 Uk ajoqna pda abbe_eaj_u Qelao od hh a...

Page 54: ...a Memqe Qela 8057ii H o Qela 074ii Uecdpaj Uknmqa O0i 330 72 Jb jkp hecja pecdpaj pda jqp u bkn_a sehh i ca pda jqp pd p naoqhp ej c o ha g ca 0Fha_pne_ h Xenejc Xenejc iapdk o 03 Xenejc iapdk kb nejc...

Page 55: ...obstructed the air should be able to blow all over the room 3 Install the unit near an electric outlet or special branch circuit 4 Do not install the unit where it will be exposed to direct sunlight 5...

Page 56: ...own in Fig 5 and mount the set to it Fig 1 Intake grill Fig 5 Wall bracket Side of set 99cm 50cm 24 5cm 6 5cm 12 5cm 10cm 7cm hole 3 5cm hole The drain hose can be connected to either the left or righ...

Page 57: ...it is leveled lower than the drain hose connecting port of the indoor unit Drain pan Drain hose Nylon fastener Drain pan Drain hose Insulation Drain hose OK NO NO Arrange the drain hose lower than thi...

Page 58: ...toward the outdoor for smooth water flow With a concrete drill drill four 12 7 mm dia Holes Fig 13 Wall 6mm Install the drain hose at the rear it should not be installed on the top or right side Fig...

Page 59: ...h pipe cutters so that the pipe is not deformed 2 Holding the pipe downward so that cuttings cannot enter the pipe remove the burrs 3 Remove the flare nut from the indoor unit pipe and outdoor unit an...

Page 60: ...s pipe and liquid pipe shall be heat insulation No leakage in the flare Piping connection Connecting method Spanner Spanner Joint Nut If not aligned tighten the nut by force will damage the nut that r...

Page 61: ...he terminal screw s on the terminal board 3 Using a round terminal fastener or pliers securely clamp a round terminal to each stripped wire end 4 Position the round terminal wire and replace and tight...

Page 62: ...block numbers and connection cord colors with those of the outdoor unit Erroneous wiring may cause burning of the electric parts 2 Connect the connection cords firmly to the terminal block Imperfect i...

Page 63: ...s an isolation distance of at least 3mm between the contacts of each pole 4 Perform wiring work in accordance with standards so that the room air conditioner can be operated safely and positively 5 In...

Page 64: ...1 Cut the right side of the intake grill This is only when the pipe exits from the right side 3 Mount the intake grill 1 Join the cover plate left and mount with screws Fig 33 2 Mount the cover plate...

Page 65: ...power socket is near and there is sufficient space around the indoor unit Install the indoor unit where there is no T V set radio set and wireless appliance underneath and the sunlight lamp is over on...

Page 66: ...they can go through the wall hole easily 5 Installation procedure When installing the ceiling concealed type indoor unit a specially designed return air bellows shall be installed as shown in Figure 3...

Page 67: ...Figure 6 air return shutter air return duct sling dog drain piping transition air duct air outlet duct air diffuser joint of air diffuser M8 broad foundation bolt M8 suspension screw M8 broad lock rin...

Page 68: ...rst paste a glue nail to the air duct and then attach the insulation cotton that has a tinfoil layer and use the glue nail cover to fix Finally seal the air duct interface with tinfoil adhesive tape c...

Page 69: ...connection part between the drain pipe and the indoor unit shall be insulated so as to prevent dew generation The drain pipe shall be slant downwards greater than 1 100 The middle part shall not be of...

Page 70: ...here is no leakage at the pipe connection part during water draining even in winter Rigid PVC pipe VP31 5mm internal diameter Pipe Foamed PE with thickness above 7mm Insulation Wrap the hose and its c...

Page 71: ...n for check Is the temperature adjuster working normally Does the location for installation conform to requirements Winding up with Protective Plastic Tape The connection pipes drain pipe and the conn...

Page 72: ...the connecting line slightly to confirm that it is clamped firmly Correct crimp connection of wire Terminal block Incorrect crimp connection of wire Crimp connection clamp 3 Crimp connection method o...

Page 73: ...1 Outdoor unit 72 YJU3YH019BARRA X filter board YJU4YH025 30BARRA X filter board YJU5YH034BARRA X filter board ___________________________________________________________________________________ _____...

Page 74: ...ard outdoor display board small service PCB 73 ___________________________________________________________________________________ _____________________________________________________________________...

Page 75: ...ing Temp Sensor for Indoor Units a b c Liquid Pipe The dashed part is optional B W W B B R Definition of SW5 Defrosting Parameter ON 6 OFF 8 Default Restrict of Max Current ON Less than 11A OFF Adjust...

Page 76: ...Heating Compulsive Cooling Rated Operating Y G To Indoor Units D 2 1 3 Y G To Indoor Units C 2 1 3 Y G To Indoor Units B 2 1 3 Y G OR Orange B Black BL Blue Y G Yellow Green R Red W White Toci Piping...

Page 77: ...51 52 53 54 55 1101 56 57 58 59 60 0011 61 62 63 64 65 1011 66 67 68 69 70 0111 71 72 73 74 75 1111 76 77 78 79 80 indoor unit address Note 0 means the dip switch is OFF 1 means the SW6 outdoor centr...

Page 78: ...e temp sensor Indoor unit C Unit A gas pipe temp sensor Unit B gas pipe temp sensor Unit C gas pipe temp sensor Indoor unit A Indoor unit B Indoor unit C 4 way valve coil OFF ON Refrigerant flow in co...

Page 79: ...ainer Unit C liquid pipe temp sensor Indoor unit C Strainer Unit D liquid pipe temp sensor Indoor unit D Unit A gas pipe temp sensor Unit B gas pipe temp sensor Unit C gas pipe temp sensor Unit D gas...

Page 80: ...eiver Liquid stop vavle 5 8 3 8 Strainer Unit A liquid pipe temp sensor Indoor unit A Strainer Unit B liquid pipe temp sensor Indoor unit B Strainer Unit C liquid pipe temp sensor Indoor unit C Strain...

Page 81: ...the angle 90 5degree 30seconds and reduce to 0 degree gradually Heating mode Indoor modification angle 100 discharging temp 50degree 30seconds it will stop until up to the max permitted opening angle...

Page 82: ...on changes from heating to cooling Checking Pause thermostat OFF or the unit stops It will take the max 10 minutes from beginning defrosting to quit it Te sensor will measure the condition of outdoor...

Page 83: ...ngle all indoor motors ON OFF anti cold air function Dischar g in g tem p TD If keeping for 10s the unit stops 3 minutes later the unit can re startup If in 60 minutesthe unit occurs alarm for 3 times...

Page 84: ...send failure code to indoor 2 When compressor no running if output signal of low pressure switch is low level 0 for 30 seconds continously alarm will occur Co n de n s in g t e m p Keep for 5 seconds...

Page 85: ...ze the low pressure protection function In cooling confirm through Tc2AVE In heating confirm through defrosting temp Te If the failure is not confirmed as the permanent protection outdoor will not sen...

Page 86: ...t the other protection is valid In the course of oil return from heating mode to cooling mode if abnormal condition occurs or the unit stops for protection then the system needs not another oil return...

Page 87: ...usly 5 minutes later begin to count Running for min 5 minutes E Send oil return signal oil return begins oil return over Inverter compressor indicated FQCY 60s oil return FQCY 60s soft startup 0HZ 0HZ...

Page 88: ...oor unit 87 Indoor unit PCB photo 5 2 1 ___________________________________________________________________________________ ____________________________________________________________________________...

Page 89: ...N CN14 CN15 CN10 CN19 T3 15A 250VAC FUSE 87654321 4321 ON SW1 SW2 Wired Remote Controller RC 2 1 3 B W R Y G OFF OFF OFF ON OFF OFF OFF ON OFF ON ON OFF OFF OFF ON ON OFF ON OFF ON ON ON ON ON 7000 90...

Page 90: ...vertible ON OFF Duct ON ON 5P Convertible wiring controller address SW2 1 SW2 2 SW2 3 SW2 4 master unit OFF OFF OFF OFF slave unit 1 ON OFF OFF OFF slave unit 2 OFF ON OFF OFF slave unit 3 ON ON OFF O...

Page 91: ...de the Sleep function is available run as cooling sleep in cooling mode and as heating sleep in heating mode Once sleep mode is set the mode will not change after the unit stops for 15 minutes when it...

Page 92: ...eed 22 26 off 20 20 Note 1 The data in the parentheses is the control point when Tao 10 2 Indoor unit will send pre heat signal to wired controller in anti cold air period 9 Fan motor control in defro...

Page 93: ...4 2 Response in trial operation A Cooling trial operation indoor sends S CODE SD to outdoor indoor at high speed set temp 16 B Heating trial operation indoor sends S CODE SF to outdoor indoor at high...

Page 94: ...d 18 5 If the memory includes auto mode when the jumper shows cooling only type auto mode will change to cooling mode 19 Room card function The unit adopts room card function 220VAC input which only m...

Page 95: ...button to set the set temp so temperature compensation 24 the current set temp For example if the set temp is 24 the temp compensation is 0 if the set temp is 23 the temp compensation is 1 The max co...

Page 96: ...ication failure between indoor outdoor unit Compressor overcurrent Input overcurrent Malfunction of the DC fan motor Precautions For Adding Refrigerant 1 This system must use refrigerant R410A 2 Add r...

Page 97: ...munication failure between indoor and wired controller 8 drainage failure 12 current detecting at 0 point 13 assistant coil temperature sensor failure 15 outdoor failure indoor running LED flash times...

Page 98: ...s faulty replace display panel circuit is damaged replace it replace power wiring and check again replace the fuse and check again Trouble 2 Sensor failure start no as per the wiring diagram check the...

Page 99: ...ay panel there will be digit which is indoor number By this method you can check if there is repeated unit number if yes please re set the number as per the unit number setting procedure 2 Re set the...

Page 100: ...er module damaged 15 possibility 3 Damaged compressor results in this failure 10 possibility 4 Main control board is faulty replace it 5 possibility Trouble 10 High pressure failure Reasons 1 Over hig...

Page 101: ...ed again re check replace pressure switch connector shut off and be electrified again re check check if the indoor motor has power input replace indoor motor and check again Failure 11 Low pressure sw...

Page 102: ...00 7500 8500 15 10 5 0 5 10 15 Outdoor temperature D B Heating capacity W 25 20 15 10 Indoor temperatureD B 101 YJU3YH019BARRA X cooling capacity in relation to temperature YJU3YH019BARRA X heating ca...

Page 103: ...5 2 5 0 2 5 5 7 5 10 12 5 15 Outdoor temperature D B Heating capacity W 10 15 20 25 Indoor temperatureD B 102 YJU4YH025BARRA X cooling capacity in relation to temperature YJU4YH025BARRA X heating cap...

Page 104: ...ture 5000 6000 7000 8000 9000 10000 11000 12000 15 12 5 10 7 5 5 2 5 0 2 5 5 7 5 10 12 5 15 Outdoor temperature D B Heating capacity W 25 20 15 10 Indoor temperatureD B 103 YJU4YH030BARRA X cooling ca...

Page 105: ...15 12 5 10 7 5 5 2 5 0 2 5 5 7 5 10 12 5 15 Outdoor temperature D B Heating capacity W 25 20 15 10 Indoor temperatureD B 104 YJU5YH034BARRA X cooling capacity in relation to temperature YJU5YH034BARRA...

Page 106: ...ution 1 5m s 1 5m s 1 0m s 1 0m s 0 5m s 2 7m 2m 2m 2m 1m 1m 1m 4m 3m 3m 4m 0m 0m 0 5m s 2m 2m 1m 1m 4m 3m 3m 4m 0m 2 7m 2m 1m 0m 8 Indoor air velocity and temperature distribution curves 105 8 1 YHKM...

Page 107: ...perature Distribution Heating Blowy angle 70 2 7m 2m 1m 0m 2 7m 2m 1m 0m 1 5m s 1 5m s 1 0m s 1 0m s 0 5m s 2m 2m 1m 1m 4m 3m 3m 4m 0m 0 5m s 2m 2m 1m 1m 4m 3m 3m 4m 0m 106 ___________________________...

Page 108: ...oling Air Velocity Distribution b Cooling Temperature Distribution 2 4 5 5 0 1 5m s 1 0m s 0 5m s 0 2 4 22 25 27 5 5 107 8 2 YHFMXH012 018BARR FX ______________________________________________________...

Page 109: ...g Temperature Distribution Temperature Distribution Heating Blowy angle 5 5 5 0 2 4 m s 1 0m s 0 5m s 0 2 4 27 25 22 5 5 108 ___________________________________________________________________________...

Page 110: ...5 0 2 4 m s 1 0m s 0 5m s 0 2 4 22 25 27 5 5 b Ceiling a Cooling Air Velocity Distribution b Cooling Temperature Distribution 109 _____________________________________________________________________...

Page 111: ...angle 65 0 0 5 m s 2 4 5 5 0 5 5 2 4 25 27 22 c Heating Air Velocity Distribution d Heating Temperature Distribution 110 _______________________________________________________________________________...

Page 112: ...CHART 400 450 500 550 600 650 700 750 800 20Pa 15Pa 10Pa 5Pa 0Pa static pressure Pa air flow m 3 h S H H M L 111 9 Air flow and static pressure chart YHDMXH009 012BARR FX YHDMXH018BARR FX ___________...

Page 113: ...1100 1200 1300 20pa 15pa 10pa 5pa 0pa Static pressure pa Air flow m3 h H M L YHDMXH024BARR FX ___________________________________________________________________________________ _____________________...

Page 114: ...mn np c n mjjh nomp opm 2 o 4 3 a Casset type indoor unit Test method According to the testing illustrator the microphones wearing sponge style cover should be placed in the right position 113 _______...

Page 115: ...0 5 3 0 0 4 0 5 4 0 0 5 0 5 5 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1...

Page 116: ...g n i t a e h d e m g n i t a e h w o l g n i t a e h 8 11 14 17 20 23 26 29 32 35 38 41 44 47 50 53 2 5 3 1 5 4 0 5 0 6 3 8 0 1 0 0 1 2 5 1 6 0 2 0 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5...

Page 117: ...g fcca ghfiWhifY YhW0 b Convertible type indoor unit 3 Test method According to the testing illustrator the microphones wearing sponge style cover should be placed in the right position 116 __________...

Page 118: ...0 50 0 55 0 60 0 65 0 70 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1 5...

Page 119: ...0 18 0 23 0 28 0 33 0 38 0 43 0 48 0 53 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2...

Page 120: ...lo nol_1 _n 3 Bcl ionf_n o n Bcl chf_n 3 c Duct type indoor unit Test method According to the testing illustrator the microphones wearing sponge style cover should be placed in the right position 119...

Page 121: ...40 0 45 0 50 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0 0 0 2 5 0 0 0 3 1 5 0 0 4 0 0 0...

Page 122: ...0 0 0 0 1 2 5 0 0 0 1 6 0 0 0 0 2 0 0 0 0 0 third octave band frequency Hz Sound pressure level DB cooling super high cooling high cooling med cooling low fan super high fan high fan med fan low heat...

Page 123: ...nit is placed on the rubber whose thickness is 5mm 2 if the height between the air outlet and ground is less than 1m block the unit up to 1m far from ground 2 Test position After setting the unit the...

Page 124: ...g low 0 0 5 0 10 0 15 0 20 0 25 0 30 0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0...

Page 125: ...0 35 0 40 0 45 0 50 0 55 0 60 0 65 0 70 0 75 0 2 5 0 3 1 5 4 0 0 5 0 0 6 3 0 8 0 0 1 0 0 0 1 2 5 0 1 6 0 0 2 0 0 0 2 5 0 0 3 1 5 0 4 0 0 0 5 0 0 0 6 3 0 0 8 0 0 0 1 0 0 0 0 1 2 5 0 0 1 6 0 0 0 2 0 0...

Page 126: ...or ambient temp sensor R25 10K 3 B25 50 3700K 3 gas pipe temp sensor 0010452099 R25 10K 3 B25 50 3700K 3 liquid pipe temp sensor 0010451305 R25 10K 3 B25 50 3700K 3 condenser inlet temp sensor 0010450...

Page 127: ...5 61 58 2 9 5 2489 49 170 9 5 24 41 59 2 81 4 2351 50 163 7 6 23 27 60 2 72 3 2221 51 155 9 7 22 2 61 2 63 2 2099 52 150 4 8 21 18 62 2 54 1 1984 53 144 2 9 20 21 63 2 49 0 1877 54 138 3 10 19 3 64 2...

Page 128: ...5 41 11 22 0 83 5 42 10 76 1 78 94 43 10 31 2 74 67 44 9 89 3 70 65 45 9 49 4 66 88 46 9 1 5 63 33 47 8 74 6 60 48 8 39 7 56 86 49 8 05 8 53 91 50 7 73 9 51 13 51 7 43 10 48 51 52 7 14 11 46 04 53 6 8...

Page 129: ...t Press ON OFF on the remote controller unit starts TEMP TEMP TEMP TEMP Base Operation Remote controller changes as SPEED Operation Mode AUTO e t o m e R r e l l o r t n o C Note COOL DRY FAN In DRY m...

Page 130: ...rs temp rises by 1 futher The unit will run for further 6 hours then stops Temp is higher than temp setting so that room temperature won t be too low for your sleep 1 hours after SLEEP mode starts tem...

Page 131: ...d Timer On Off On Off Operation Healthy airflow Operation 1 Press ON OFF to starting Setting the comfort work conditions 2 The setting of healthy airflow function 1 Press the button of healthy airflow...

Page 132: ...follows No display air change automatic air change RECOVERY air change NORMAL Clock timing and address setting Timing switch It is used for choosing timing running Mode switch Choose running mode Swi...

Page 133: ...s The temperature is on the basis of the setting value The wind temperature may not reach the setting value because of the outer air conditioner and system protection When the wired controller is powe...

Page 134: ...ulated in advance The clock regulation steps are as follows 3 Press setting switch The setting is achieved If not in timing the screen displays the real time If in timing the screen displays the timin...

Page 135: ...operation press timing until there is no timing display When the timing is invalid the mode is in normal operation Cancel timing 1 The unit starts or stops at the setting time Meanwhile it displays th...

Page 136: ...lure code of every unit will display for 3 seconds After the failure codes of all indoor units in the whole group are displayed the mode will quit automatically How to change the function switches Mas...

Page 137: ...iring 100 0 3mm2 x3 core shielded wire 100 and 200 0 5mm2 x3 core shielded wire 200 and 300 0 75mm2 x3 core shielded wire 300 and 400 1 25mm2 x3 core shielded wire 400 and 600 2mm2 x3 core shielded wi...

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