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1. TEEN By Bala ani E 13 BU B PE 2 a LX1 2 ES PE CN2 4V CN En AP w BN N BU XT L1 ov kk CN3 AC L3 DTE IN AP2 oo BK AC N1 O f RT rs COM OUT p4 BU AC N aop BU i oe ACL U YEGN AC L1 BN ac ofan OVC COMP U V w Y 7 elecTRICgox BU YE RD LA ss MID ISOLATION SHEET i eee PED 2 PEO 9 m L2 L2 L2 wae YEGN Bul YE RD FAN Motor gourd ony u AV YEGN applies lo the YEGN oN W iron shell motor COMP 2 GAG A135GVR T3 A WARNING ROOM DISCHARGE Please don t touch any terminal when ENE TEMP EE 4 WAY ee the voltage of terminal DC and DC at SENSOR SENSOR SENSOR ho AP2 is higher than 30V to prevent the ab 7 T av L3 L3 j risk of electrical shock RT RT2 RT3 BU EN TERMINAL PES YEGN si 7 ny Uit 2 BLOCK PE ACLS AC L2 Z BU Me A y AP AC L4 BN g 5 2 ii w pn PRINTED i IT BOARD o SL e Maca ee a Z ive BK COMU ET BU AC N3 OVC COMP OFAN CM1 PE U V W y ELECTRICAL CLAPBOARD BOX SUB ASSY BU YE RD Pos Poy En YEGN L2 aE 12 ELECTRONIC EXPANSION VALVE
2. 18K Unit 24K Unit Unit mm Modes Wi H D Technical Information O Service Manual 3 2 Outdoor Unit 1 GAG A128GVR T3 712 540 2 GAG A135GVR T3 IT o LO y ES i 320 ba 848 a KOA V oo N Unit mm 540 10 0 9 Technical Information 12 4 Refrigerant System Diagram 1 09 amp 12K Unit Indoor unit Outdoor unit Service Manual Gas pipe side Valve Heat exchanger i lt condenser i gt C Es Strainer Electron Strainer expansion valve Heat exchanger evaporator Liquid pipe Y side Valve Refrigerant pipe diameter Liquid 1 4 6 mm Gas 3 8 9 52 mm Refrigerant pipe diameter Liquid 1 4 6 mm Gas 1 2 12 mm 18K Unit Liquid 1 4 6 mm Gas 5 8 16 mm 24K Unit gt COOLING lt HEAT
3. 1 811 82 1 754 tes a E E a 36 32 34 58 32 94 1 645 6 278 1 594 47 6 038 31 38 48 5 809 so sve 27 18 5 sag 1 363 129 0 456 252 52 4980 o 132 130 os 24 73 53 4 802 92 1 282 0 433 15 ze 54 462 o 1244 132 042 ENEN dass se 1200 188 emm as ie Lam E EE 0 401 18 20 54 4 139 1 136 135 0 391 e so e um Die um le on El al gii Ly El 128 Installation and Maintenance o 113 Service Manual Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 20K Temp C Resistance ka Temp C Resistance k0 Temp C Resistance ka Temp C Resistance kQ a AA ma a 2e 60 sas 13860 Dur Que Le es et ame oo 1 040 as 1533 2 2185 62 4608 tor 1307 ps 145 2e es 4448 102 128 a tera 2 2 64 az tos 123 ENE CE EE ET MT H tes ss 67 sse tos mos 2 tes e 370 107 ws s 1 ses 99 13 31 15 43 70 3 481 dro n EE o Cra T ue la ae A es s ns z sma 12 oss 7 80 31 35 13 04 3 04 113 0 93 76 24 36 12 51 2 94 114 0 904 2 za a e 76 284 mW oss Ea lts 1 ae ee Ll e 6537 39 no 78 263 w oe 1 es 40 1062 79 257 n os 59 08 41 10 2
4. Note this flow is only for reference please find the more detailed installation steps in this section Installation and Maintenance Finish installation 39 40 8 2 Installation Parts checking 1 Indoor unit 8 Sealing gum Outdoor unit 9 Wrapping tape Connection pipe por d grougo Drainage pipe 5 Wall mounting Drainage plug cooling frame and heating unit cable power cord remote contraller 7 Wall pipe A Note 1 Please contact the local agent for installation 2 Don t use unqualified power cord 8 3 Selection of Installation Location 1 Basic Requirement Installing the unit in the following places may cause malfunction If it is unavoidable please consult the local dealer 1 The place with strong heat sources vapors flammable or explosive gas or volatile objects spread in the air 2 The place with high frequency devices such as welding machine medical equipment 3 The place near coast area 4 The place with oil or fumes in the air in the air 5 The place with sulfureted gas 6 Other places with special circumstances 2 Indoor Unit 1 There should be no obstruction near air inlet and air outlet 2 Select a location where the condensation water can be dispersed easily and won t affect other people 3 Select a location which is convenient to connect the outdoor unit and near the power socket 4 Select a location which is out of reach for children
5. If the unit stops operation due to overcurrent protection for 6 times successively the unit cant resume operation automatically Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to overcurrent protection will be cleared 13 Voltage dropping protection During operation if the voltage is decreasing quickly the unit may stop operation and alarm voltage dropping malfunction 3 mins later the unit will be restarted up automatically 14 Communication malfunction If it hasnt received the correct signal from indoor unit for 3min successively the unit will stop operation due to communication malfunction If communication malfunction is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation 15 IPM module protection After compressor is turned on if it causes overcurrent to IPM modular or control voltage is too low due to some abnormal causes IP will generate modular protection signal Main chip will detect the modular protection signal as soon as the unit is turned on Once modular protection signal is detected the unit will stop operation immediately due to protection If modular protection is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation If the unit stops operation due to modular protection for 3 times successively the unit cant resume oper
6. Installation and Maintenance Service Manual 6 Overload and air exhaust malfunction diagnosis following AP1 for outdoor unit control board Mainly detect els the PMV connected well or not Is PMV damaged els refrigerant leaked Fault diagnosis process 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly b y Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electroni expansion valve If the fault is eliminated Y gt N Replace the control panel AP1 If the fault is eliminated y N y Coolant leakage refilling the coolant End Installation and Maintenance o Service Manual 7 Power factor correct or PFC fault a fault of outdoor unit AP1 hereinafter refers to the control board of the outdoor unit Mainly detect eCheck if the reactor L of the outdoor unit and the PFC capacitor are broken Fault diagnosis process Check wiring of the reactor L of the outdoor unit and the PFC capacitor Replace it as per the wiring diagram and reconnect the wires Whether there is an damage or short circuit If the fault is eliminated N Remove the PFC capacitor and measure resistance N betwe
7. N Y Check the communication circuit of the outdoor unit the fault is eliminated gt If the fault is eliminate The communicatio circuit is abnorm Replace the main board H CAP1 of the outdoor unit f the fault is eliminated AA N Replace the main board of the indoor unit Installation and Maintenance o 65 Service Manual 1 Capacitor charging malfunction outdoor unit malfunction Outdoor unit malfunction indicator status Main detection point eDetect if the voltage of L and N terminal of wiring board is between 210AC 240AC by alternating voltage meter els reactor L well connected Is connection wire loosened or pull out Is reactor L damaged Malfunction diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Y testing circuit on Replace the control control panel AP1 panel AP1 Voltage higher than 200V N y Measure the AC voltage between terminal L and N on wiring board XT power supply Shut down the power and repair the power supply to restore the range 210VAC 250VAC Voltage within 210VAC 250VAC power on and restart the unit If the fault is eliminated Y y Shut down the power and wait
8. Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 1 Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor 2 The head of temperature sensor hasnt been inserted into the copper tube Refer to the malfunction analysis overload high temperature resistant The input supply voltage is too low System pressure is too high and overload 47 Malfunction Name Decrease antifreezing Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Cool Indicator Heating Indicator OFF 3S and blink 9 times OFF 3S and blink 2 times OFF 3S and blink 2 times Yellow Indicator Indicator OFF 3S and blink 4 times Green Indicator A C status All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased Service Manual Possible Causes Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV Poor air return in indoor unit or fan speed is too low Voltage for DC bus bar is too high
9. 5 The location should be able to withstand the weight of indoor unit and won t increase noise and vibration 6 The height of indoor unit should be between 250 cm from the floor in order to provide sufficient space for maintenance 7 Don t install the indoor unit right above the electric appliance 8 The appliance shall not be installed in the laundry 3 Outdoor unit 1 Select a location where the noise and outflow air emitted by the outdoor unit will not affect neighborhood 2 The location should be well ventilated and dry in which the outdoor unit won t be exposed directly to sunlight or strong wind 3 The location should be able to withstand the weight of outdoor unit 4 Make sure that the installation follows the requirement of installation dimension diagram 5 Select a location which is out of reach for children and far away from animals or plants If it is unavoidable please add fence for safety purpose O Y Service Manual 8 4 Electric Connection Requirement 1 Safety precaution 1 Must follow the electric safety regulations when installing the unit 2 According to the local safety regulations use qualified power supply circuit and air switch 3 Make sure the power supply matches with the requirement of air conditioner Unstable power supply or incorrect wiring may result in electric shock fire hazard or malfunction Please install proper power supply cables before using the air conditioner Air sw
10. Start to defrost Outdoor fan will stop after compressor stops for 50S Defrosting fi nish Outdoor fan will start up when the compressor is stopping 8 4 way valve control The 4 way valve control under the modes of Cooling dehumidifi cation and fan closing When the unit is on in heating mode the 4 way valve is energized When the unit is on in heating mode and heating mode shift to other modes the 4 way valve will be de energized after compressor stops for 2min After protection stops the 4 way valve will be de energized after 4min Start to defrost The power of 4 way valve will be de energized after the compressor stops Defrosting finish The 4 way valve will be energized after the compressor stops 9 Freeze prevention protection Under cooling or drying mode if it detected that Tindoor tube lt 0 C for 3 min successively the unit will stop operation due to freeze prevention protection If 6 C lt Tindoorr tube and compressor has stopped for 3min the complete unit can be allowed to resume operation Under cooling or drying mode if Tindoor tube lt 6 C the operation frequency of compressor may decrease or the operation frequency of compressor may stop increasing If the unit stops operation due to freeze prevention protection for 6 times successively the unit cant resume operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During ope
11. Operation Indicator OFF 3S and blink 1 times Indicator Display during blinking ON 0 5s and OFF 0 5s Cool Indicator Indicator display st 0 5s Heating Yellow Indicator Indicator OFF 3S and blink 1 times blinking ON 0 5s and OFF Display Method of Outdoor Unit has 3 kinds of atus and during A C status Green Indicator Indicator Possible Causes Nominal cooling mode Indoor ambient temperature sensor is open short circuited OFF 3S and blink once 1 Loosening or bad contact of indoor ambient temp sensor and mainboard terminal 2 Components in mainboard fell down leads short circuit 3 Indoor ambient temp sensor damaged check with sensor resistance value chart 4 Mainboard damaged Indoor evaporator temperature sensor is open short circuited OFF 3S and blink twice 1 Loosening or bad contact of Indoor evaporator temp sensor and mainboard terminal 2 Components on the mainboard fall down leads short circuit 3 Indoor evaporator temp sensor damaged check temp sensor value chart for testing 4 Mainboard damaged Outdoor ambient temperature sensor is open short circuited Outdoor condenser temperature sensor is open short circuited Outdoor discharge temperature sensor is open short Limit decrease overcurrent Installation and Maintenance OFF 3S and blink 3 times OFF 3S and blink 4 times OFF 3S and blink
12. decrease frequency due to high temperature of module Malfunction OFF 3S protection of and blink jumper cap 15 times o OFF 3S OFF 3S and blinkfand blink 6 times 6 times During cooling operation compressor stops while indoor fan motor operates During heating operation the complete unit stops During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit stops During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop All loads operate normally while operation frequency for compressor is decreased Wireless remote receiver and button are effective but can not dispose the related command Refer to the corresponding malfunction analysis Refer to the malfunction analysis overload high temperature resistant Replace outdoor control panel AP1 Discharging after the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 1 No jumper cap insert on mainboard 2 Incorrect insert of jumper cap 3 Jumper cap damaged 4 Abnormal detecting circuit of mainboard Installation and Maintenance Service Manual Display Method of Indoor Unit Malfunction Name
13. 5 times OFF 3S and blink for 6 times OFF 3S and blink 8 times ER E OFF 3S and blink 6 times During cooling and drying operation compressor stops while indoor fan will operate During heating operation the complete unit will stop operation OFF 3S and blink 5 times During cooling and drying operation compressor will sop after operating for about 3 mins while indoor fan will operate During heating operation the complete unit will stop after operating for about 3 mins All loads operate normally while operation frequency for compressor is decreased All loads operate normally while operation frequency for compressor is decreased When the outdoor unit receive signal of Gathering refrigerant the system will be forced to run under cooling mode for gathering refrigerant During cooling and drying operation indoor unit operates while other loads will stop during heating operation the complete unit will stop operation AC stops operation once reaches the setting temperature Cooling drying internal fan motor stops operation while other loads stop operation heating AC stop operation During cooling and drying operating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor temperature sensor hasnt been connected well or is damaged Please check it by referring to the resistance table for temperature sensor
14. Celsius CC benne CF CF CF __86 87 86 30 Celsius C 41 42 4 43 44 42 8 64 65 64 4 18 88 89 87 8 31 66 67 66 2 19 90 89 6 32 68 69 68 20 0 6 5 5 8 E 11 52 53 51 8 54 53 6 75 76 75 2 24 98 6 37 77 78 77 25 Appendix 2 Configuration of Connection Pipe 1 Standard length of connection pipe e 5m 7 5m 8m 2 Min length of connection pipe is 3m Coolina capacit Max length of Max height g capacity connection pipe difference 5000 Btu h 1465 W 7000 Btu h 2051 W 3 Max length of connection pipe and max high difference 9000 Btu h 2637 W 4 The additional refrigerant oil and refrigerant charging required after 12000 Btu h 3516 W prolonging connection pipe 18000 Btu h 5274 W 25m 10m e After the length of connection pipe is prolonged for 10m at the basis 24000 Btu h 7032 W 25m 10m of standard length you should add 5ml of refrigerant oil for each 28000 Btu h 8204 W additional 5m of connection pipe 36000 Btu h 10548 W e The calculation method of additional refrigerant charging amount on 42000 Btu h 12306 W the basis of liquid pipe 48000 Btu h 14064 W e When the length of connection pipe is above 5m add refrigerant according to the prolonged length of liquid pipe The additional refrigerant charging amount per meter is different according to the diameter of liquid pipe See the following sheet e Additional refrigerant charging amount prolonged length
15. If the refrigerant charging is N too much Y y Charge the refrigerant according to service manual oes the unit start up normally N y Replace control board AP1 If malfunction is removed N Replace the compressor Installation and Maintenance o 71 Service Manual 5 Diagnosis for compressor synchronism outdoor unit malfunction Outdoor unit malfunction indicator status ps De D16 D30 X Main detection point elf the system pressure is over high elf the working voltage is over low Malfunction diagnosis process Synchronism after energize the unit and start it f the stop time o compressor is more tha 3min If the compressor wire COMP UVW is well connected connection sequence forwards to clockwise direction Connect Y wire well N Replace control board AP1 y Remove Y malfunction N Replace compressor fu C End Ke y 72 Synchronism occurred during operation Y A Ifthe outdoor fan works N ensen normaly _hormally L Check if the fan terminal OFAN is connected well Replace fan capacitor C1 Y If the radiating of unit is Y Improve the radiating of unit clean heat exchanger and increase ventilation Replace outdoor fan If the input
16. Service Manual Malfunction Compressor intermediate Overcurrent protection of phase current for compressor Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s Heating Indicator Indicator OFF 3S and blink 15 times A C status During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Possible Causes Showing during middle cooling or middle heating test Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor malfunction of capacitor OFF 3S and blink 17 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Refer to the part three charging malfunction analysis of capacitor Malfunction of module sensor circuit Module high OFF 3S and blink 18 times OFF 3S and blink 19 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop During cooling operation compressor will stop while indoor fan will operate During heating operation the complete unit
17. Check refrigerant if there is leakage please refer to specification Remove malfunction Y gt T N Check if the discharge temp Replace discharge sensor is normal according to the N temp sensor gt A Y Replace control board a ke End Installation and Maintenance 0 73 Service Manual 7 Communication malfunction Outdoor unit malfunction indicator status ps De D16 D30 IEA ee paka Main detection point eCheck if the connection wire and the built in wiring of indoor and outdoor unit is connected well and no damaged elf the communication circuit of indoor mainboard is damaged If the communication circuit of outdoor mainboard AP1 is damaged Malfunction diagnosis process the unit is operating normally before malfunction Check if the controller connection wire inside indoor and outdoor Y electric box is loose A Connectwire of indoor and outdoor unit according to y the connection wire heck connection wire of indoor and outdoor unit with circuit diagra circuit diagram ae Check communication circuit of outdoor unit N If the malfunction is removed 2 Problem of circuit N y communication N y Connect wire of indoor and outdoor unit according to circuit diagram Replace outdoor Y mainb
18. JEM BU YE RD WN y Ei En SAT PE U Com gn FANMOTOR PE OVERLOARD COMP PROTECTOR Technical Information O Service Manual 6 Function and Control 22 6 1 Remote Controller Introduction Buttons on Remote Controller J FAN AUTO 5 aaf OPER AIR HEALTH X FAN HUMIDITY DS F FILTER i TURBO Yam am C ay 235 HOUR Jonorr A E D gt t Al e AT SON A a OFF MODE X J 666600000000 Al FAI X FAN TEMP TURBO SLEEP von ZT TIMER LIGHT 7 oka Introduction for Icons on Display Screen air mode P Operation mode e Auto mode Cool mode Dry mode Fan mode Heat mode pa PES o a psi pad is i ON OFF button MODE button button FAN button button Ar button HEALTH AVE button X FAN button TEMP button TIMER button TURBO button SLEEP button LIGHT button Sueno ses cease ees set fan speed 7 Set temp Indoor ambient temp Outdoor ambient temp mm A Introduction for Buttons on Remote Controller Note CIN Aut ED send signal A AIR HEALTH OCEAN health mode 5 hon rin US alan Y dll w A set temperature e TURO aman C ESS turbo mode PIC HOUR TIMER ON TIMER OFF mm L oo set time l left amp right swing Up amp down swing e After putting through power air conditioner will give out a sound and operation indicato
19. T tube52 the unit will return to its original operation state b If T tube55 frequency rise is not allowed c If T tube58 the compressor will run at reduced frequency d If T tube62 the compressor will stop and the indoor fan will blow residue heat and then stop Exhaust temperature protection of compressor If exhaust temperature 98 frequency is not allowed to rise If exhaust temperature 103 the compressor will run at reduced frequency If exhaust temperature 110 the compressor will stop If exhaust temperature 90 and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation 8 Communication fault If the unit fails to receive correct signals for durative 3 minutes communication fault can be justified and the whole system will stop Module protection Under module protection mode the compressor will stop When the compressor remains at stop for at least 3 minutes the compressor will resume its operation If module protection occurs six times in succession the compressor will not be started again Overload protection If temperature sensed by the overload sensor is over 115 the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds If temperature is below 95 the overload protection will be relieved If voltage on the DC bus is below 150V or over 420V the compressor will stop and the outdoor fan will stop with a time lag of 30 seconds When voltage o
20. and temperature of heat Compressor WB outdoor unit exchanger indoor unit outdoor unit evolution T ok 0 9 to 1 1 12 to 14 751037 rps 0 8 to 1 0 10 to 12 Eer 27 19 35 24 Super High High 0 9 to 1 1 12 to 14 701040 0 8 to 1 0 10 to 12 ES Heating Rated cooling Pressure of gas pipe Inlet and outlet pipe condition C DB connecting indoor and temperature of heat Fan speed of Fan speed of Compressor WB outdoor unit re Se indoor unit outdoor unit evolution rps 2 4 to 2 6 7 6 70 to 35 Super High High 2 5 to 2 7 T1 Inlet and outlet pipe temperature of evaporator T2 Inlet and outlet pipe temperature of condenser P Pressure at the side of big valve Connection pipe length 5 m Instruction 2 4 Noise Curve Indoor side noise when blowing 60 56 18 amp 24K Heating 54 j 50 52 24K Xi T 50 F 18 amp 24K Cool a oo 2 48 TD 5 12K A E EN 2 46 12K Heating 09 amp 12K Cooling Z 39 18K 09K 44 42 a 20 l l l l Low Middle High Super High 40 20 30 40 50 60 70 80 90 Indoor fan motor rotating speed Compressor frequency Hz 0 9 Technical Information Service Manual 3 Outline Dimension Diagram 3 1 Indoor Unit Y 09 amp 12K Unit
21. compressor operates for 30min overload protection times of compressor will be cleared Technical Information 35 Service Manual 38 8 Installation 8 1 Installation Dimension Diagram Space to the floor At least 250cm Space to the obstruction At least 50cm Drainage pipe Installation and Maintenance Service Manual Installation procedures Start installation Preparation before installation for electric connection location Ge the eee Cee eee Prepare tools Select indoor unit installation location Select outdoor unit installation location mounting Install the support of outdoor unit Install wall frame drill wall holes select it according to the actual situation Connect pipes of indoor nage pipe unit and drai Connect wires of indoor unit Fix outdoor unit Install drainage joint of outdoor unit only for cooling and heating unit Bind up pipes and hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Connect pipes of outdoor unit Connect wires of outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation
22. control if there is remote control order 9 Up and Down Swinging Control When power on the up and down motor will firstly move the air deflector to o counter clockwise o 0 close the air outlet After starting the machine if you dont set the swinging function heating mode and auto heating mode the up and down air deflector will move to D clockwise under other modes the up and down air deflector will move to L1 If you set the swinging function when you start the machine then the wind blade will swing between L and D The air deflector has 7 swinging states Location L Location A Location B Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same The air deflector will be closed at 0 Location and the swinging is effectual only on condition that setting the swinging order and the U OW gt r 0 09 Technical Information Service Manual inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location 10 Display NOTE Nixie tube is not available for A8 panel Operation pattern and mode pattern display All the display patterns will display for a time when the power on the operation indication pattern will display in red under standby status When the machine is start by remote control the indication pattern will light and display the current operation mode the mode light includes Cooling heating
23. indoor unit and outdoor unit should be connected by a professional 2 If the length of power connection wire is insufficient please contact the supplier for a new one Avoid extending the wire by yourself 3 For the air conditioner with plug the plug should be reachable after finishing installation 4 For the air conditioner without plug an air switch must be installed in the line The air switch should be all pole parting and the contact parting distance should be more than 3mm 42 8 Bind up pipe 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end Fig 14 Connection pipe Drain hose Band Fig 15 Indoor power cord A Note 1 The power cord and control wire can t be crossed or winding 2 The drain hose should be bound at the bottom 9 Hang the indoor unit 1 Put the bound pipes in the wall pipe and then make them pass through the wall hole 2 Hang the indoor unit on the wall mounting frame 3 Stuff the gap between pipes and wall hole with sealing gum 4 Fix the wall pipe As show in Fig 16 5 Check if the indoor unit is installed firmly and closed to th
24. is runing frequency descending Overload mormal operation compressor is runing frequency descending Cooling dehumidifying co mpressor stop running Fan motor works Heating all will stop Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Under the heating mode compressor running indoor outdoorfan motor stop working Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Outdoor DC fan motor malfunction lead to compressor stop operation The complete unit stops Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running 1 Input power supply is too low 2 System voltage is too high over is too much 1 Overload is too much ambient temp is too high 2 Refrigerant is short 3 Electric expansion malfunction 1 Testing wire terminal L and N
25. it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Replace the control panel AP1 If the fault is eliminated Replace the compressor Installation and Maintenance o Connect the wires as per the connection diagram 61 62 Service Manual 5 Out of step diagnosis for the compressor AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els the system pressure too high els the input voltage too low Fault diagnosis process Out of step occurs once the unit is powered on Is stop time of the compressor longer than 3 minutes Are the wires for the compressor connected correctly Is connection sequence right Is the connection made in clockwise direction N Connect the Y wires correctl Replace the control panel AP1 Y If the fault is eliminated N y Replace the compressor bd ne Out of step occurs in operation Is the outdoor fan working normally s the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated Replace the compressor Check if the fan terminal N B OFAN is connected correctly Replace the fan capacitor C1 Replace the outdoor fan Y Remove foreign objects
26. louver of air conditioner will swing left amp right automatically at the maximum angle e When selecting with remote controller it s the fixed position swing Horizontal louver of air conditioner will stop at that position as shown by the icon to swing e When selecting Ax it s the circulating swing Horizontal louver of air conditioner will swing circularly according to swing angle is displayed dynamically the angle as shown by the icon 7 HEALTH SAVE button HEALTH Function After pressing HEALTH button remote controller will switch circularly as below HEALTH gt AIR gt AIR HEALTH gt no display e When selecting HEALTH by remote controller HEALTH function will be started up e When selecting AIR by remote controller AIR function will be started up e When selecting AIT HEALTH AIR and HEALTH function will be started up e When there s no display on remote controller AIR and HEALTH function will be turned off SAVE Function Under cool mode press SAVE button and the unit will operate under SAVE mode Dual 8nixie tube on remote controller displays SE Air conditioner will operate at auto speed Set temperature can t be adjusted Press SAVE button again to exit SAVE mode Air conditioner turn back to original set speed and set temperature e This function is applicable to partial of models 8 X FAN button After pressing this button under cooling or dry mode remote controller displa
27. or low speed accordingly The fan speed can also be set at Auto which is as follows In heating mode in auto heating or heating mode the auto fan speed is as follows a Tamb lt Tpreset 1 C indoor fan will operate at high speed b Tpreset 1 C lt Tamb lt Tpreset 3 C indoor fan will operate at med speed c Tamb 2Tpreset 3 C indoor fan will operate at low speed At least 210 seconds of operation shall be maintained for switchover between high and low speeds med and low speeds and high and low speeds In cooling mode in auto cooling or cooling mode the auto fan speed is as follows a Tamb 2Tpreset 2 C indoor fan will operate at high speed b Tpreset lt Tamb lt Tpreset 2 C indoor fan will operate at med speed c Tamb lt Tpreset indoor fan will operate at low speed At least 210 seconds of operation shall be maintained for switchover between high and low speeds med and low speeds and high and low speeds 7 Buzzer Control The buzzer will send a Di sound when the air conditioner is powered up or received the information sent by the remote control or there is a button input the single tube cooler doesnt receive the remote control ON signal under the mode of heating mode 8 Auto button If the controller is on it will stop by pressing the button and if the controller is off it will be automatic running state by pressing the button swing on and light on and the main unit will run based on the remote
28. position If higher than 265VAC please cut off the power supply and restart until back to normal 2 If input voltage is normal testing the voltage of electrolytic capacitor on AP1 after turn on the unit There may be some problem and replace the AP1 if the electrolytic capacitor voltage range at 200 280V The circuit on AP1 has malfunction replace the outdoor unit AP1 Please refer to troubleshooting IPM protection compressor lose steps compressor current overcurrent protection It is normal function 1 Wire terminal OVCCOMP loosen or circuit has problem the resistance of SAT should be lower than 1 ohm 2 Please refer to troubleshooting exhaust overload protection Pls refer to troubleshooting DC fan motor malfunction or system blocked or the connector loosed 1 Power supply is abnormal 2 Detection circuit of indoor control mainboard is abnormal Pls refer to troubleshooting Pls refer to troubleshooting Pls refer to troubleshooting Replace the outdoor control board AP1 Replace the outdoor control board AP1 Installation and Maintenance 53 Capacitor charge malfunction Off 3s blink 18 times Module sensor circuit diagram Module temp Off 3s over high blink 19 protection times Off 3s blink 20 times DC Bus voltage dips Low DC Bus voltage protection IPM temp is too high limit decrease frequency Cooling dehumidifying compressor stops running indoor fan motor work
29. protect the circuit short and overload Caution please do not use the fuse only for protect the circuit 8 5 Installation of Indoor Unit 1 Choosing Installation location Recommend the installation location to the client and then confirm it with the client 2 Install Wall mounting Frame 1 Hang the wall mounting frame on the wall adjust it in horizontal position with the level meter and then point out the screw fixing holes on the wall 2 Drill the screw fixing holes on the wall with impact drill the specification of drill head should be the same as the plastic expansion particle and then fill the plastic expansion particles Installation and Maintenance Service Manual in the holes 3 Fix the wall mounting frame on the wall with tapping screws ST4 2X25TA and then check if the frame is firmly installed by pulling the frame If the plastic expansion particle is loose please drill another fixing hole nearby 3 Install Wall mounting Frame 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 098 amp 12K 120 5 548 5 103 Fig 1 2 Open a piping hole with the diameter 50 or 70 on the selected outlet pipe position In order to drain smoothly slant the piping hole on the wall slightly downward t
30. 0VAC Check the supply voltage and restore it to 210VAC 250VAC IPM protection occurs after the machine has run for a period of time Restart the unit Before protection occurs use DC enr to measure the voltage 4 between the two 9 N ends f electrolytic capacitor on control panel APA Voltage between he two ends of celectrolyti capacitor is higher than Please confirm 1 If the Indoor and Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Stop the unit and disconnect the power supply Then check the connection of capacitor C2 according to Electrical Diagram The connection of capacitor C2 is loose objects which affect the heat exchange outdoor fans are working normally 3 If the Environment temperature is too high resulting in that the system pressure is too hig and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system ressure is too igh 5 Other conditions resulting in that the system pressure becomes too high Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet top the unit and disconnect the power supply Wait 20 min
31. 15 20 09 52 30 40 45 55 60 65 19 70 75 6 Install Drain Hose 1 Connect the drain hose to the outlet pipe of indoor unit As show in Fig 8 2 Bind the joint with tape As show in Fig 9 Drain hose Outlet pipe Tape Fig 9 41 Service Manual A Note 1 Add insulating pipe in the indoor drain hose in order to prevent condensation 2 The plastic expansion particles are not provided As show in Fig 10 ___ Drain hose SEM Insulating pipe Fig 10 7 Connect Wire of Indoor Unit 1 Open the panel remove the screw on the wiring cover and then take down the cover As show in Fig 11 Panel Screw Sa bee me u ES Fig 11 Wiring cover 2 Make the power connection wire go through the cable cross hole at the back of indoor unit and then pull it out from the front side As show in Fig 12 3 Remove the wire clip connect the power connection wire to the wiring terminal according to the color tighten the screw and then fix the power connection wire with wire clip As show in Fig 13 09 12 24K unit 18K unit ny 2 3 ncn 2 js bel back bown Y blo black brown lo Connect to outdoor unit Connect to outdoor unit Fig 13 4 Put wiring cover back and then tighten the screw 5 Close the panel A Note 1 All wires of
32. 20n muties or use DC voltmeter to measure the voltage N on the two ends of capacitor test3 until the voltage is lower than 20V l Check the connection of reactor L in the Electrical Wiring Diagram Connect the reactor Laccording to Re energize and Electrical Wiring turn on the unit Diagram correctly If the wiring of reactor L is normal If the fault is eliminated Replace the control panel AP1 N Installation and Maintenance o 67 Service Manual 68 2 IPM protection desynchronizing malfunction phase current of compressor is overcurrent outdoor unit malfunction Outdoor unit malfunction indicator status Malfunction IPM protection Desynchronizing malfunction O Compressor overcurrent O Main detection point elf control board AP1 and compressor COMP is well connected If they are loosened If the connection sequence is correct els voltage input in the normal range Test the voltage between L N of wiring board XT by DC voltage meter elf coil resistance of compressor is normal Is compressor coil insulating to copper pipe well elf the work load of unit is heavy If radiating of unit is well If the refrigerant charging is appropriate Malfunction diagnosis process Installation and Maintenance Service Manual Energize and switch on IPM protection occurs after the machine ha
33. 25 C b When Tamb lt 22 C the heat pump unit will operate at Heating mode In that case the set temperature will be 20 C the cooling only unit will operate at Fan mode and the set temperature will be 25 C c When 23 C lt Tamb lt 25 C the unit will keep its operation status but if it is firstly energized the unit will operate at Fan mode d When unit operates at Auto mode the frequency of compressor will be the same as that in Cooling mode if the unit is coolingwhile it will be the same as that in the Heating mode if the unit is heating Protection function a ln cooling operation protection is the same as that under the cooling mode b In heating operation protection is the same as that under the heating mode c When ambient temperature changes operation mode will be converted preferentially Once started the compressor will remain unchanged for at least 6 minutes 6 Common Protection Functions and Fault Display under COOL HEAT DRY and AUTO Modes Overload protection Ttube measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat exchanger under heating mode 1 Cooling overload a If T tube52 the unit will return to its original operation state b If T tube55 frequency rise is not allowed c If T tube58 the compressor will run at reduced frequency d If T tube62 the compressor will stop and the indoor fan will run at preset speed 2 Heating overload a If
34. 931
35. Characteristic Curve 09 amp 12K Unit Cooling En l Q9 eee ee fee ot posse Bren So A AG HAS SA qe do eae ies aes unes 6 aida eid lisa ead Des AP PO AS lied Se ze Seer pennen etienne nan E l I I l Shee Ess dl A eS alee nies Ae 22 o i i i ij 3 ho 7 Condition i Indoor DB 27 C WB19 C Je EA __ Indoor air flow Super High _ Pipe length 5 m i Voltage 230V qpassa pesse nn ie TTT pe I l 0 0 20 40 60 80 100 120 Compressor Speed rps 18K Unit Cooling 11 i i 10 H Conditions fe 22 he Hp Indoor DB27 C WB19 C 9 F Outdoor DB35 C WB24 C PE NP 8 Indoor air flow High AS 44 EMS ER Pipe length 5m x TP 1 1 Sh EP E Ge IT sel E Deegen Npe A 5 O A B Sl AA A A A A A 2 EA IA A rn A ER lacune ese sc Li ns 0 i H H H H H H H 0 10 20 30 40 50 60 70 80 90 Compressor speed rps 24K Unit Cooling 11 1 7 r 10 Conditions Lo Indoor DB27 C WB19 C 220 9 Outdoor DB35 C WB24 C i 8 Indoor air flow High rae Pipe length 5m lt 7e f i z 6p E 5j O 4 3 2 aoe de 0 10 20 30 40 50 60 70 80 90 Compressor speed rps Current A Service Manual Hea
36. ING Technical Information Service Manual 5 Electrical Part 5 1 Wiring Diagram elnstruction EA DO Color Symbol Symbol Color Symbol me f on Gem em me ee e omne Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model e Indoor Unit 1 GAN A128GVR T3 GAN A135GVR T3 ROOMTEMP TUBETEMP RECEIVER AND BN BK i SENSOR SENSOR DISPLAY BOARD BU WH AP1 DISPLAY mN off of YEGN GN D RT2 RT1 BOWER ER ER TG X AC L TERMINAL ROOM TUBE DISP1 DISP2 BU N BU E N lt lt N 1 Z CAP BK Bi 2 AP2 PRINTED CIRCUIT BOARD COM OUT M 2 5 JUMP Lour BN TA BN O SWING UD PG PGF YEGN YEGN y Y G HEALTH L HEALTH N F O RDY BUY OPE EVAPORATOR un COLD PLASMA LN GENERATOR inc WE STEPPING MOTOR FAN MOTOR Technical Information Service Manual e Outdoor Unit 1 GAG A128GVR T3 TUE OUTROOM EXHAUST L TENSENSOR TENSENSOR TEUSENSOR Po PEA EK N
37. Service Manual MODEL GAN A128GVR T3 GAG A128GVR T3 GAN A135GVR T3 GAG A135GVR T3 Refrigerant R410A Service Manual Table of Contents Part Technical Information A Summary a 2 SD CHICATIONS anne sene RA 2 1 Specification ON Blan ii 2 2 Operation Characteristic Curve 1ccnsseosseasersessecavarsessodnndvsesdanecasbeadabwedseacsessedmedwanitdesmsnadaedsenss 2 3 Capacity Variation Ratio According to Temperature nn 2 5 Cooling and Heating Data Sheet in Rated Frequency ccccccnnnonccococoncnononccocononananannnnnnnnnnnnnnnnos 24A NOISE CUE naar 3 Outline Dimension Diagram EN Sn 3 2 Outdoor LE a E a e A E a T EErEE aia 4 Refrigerant System Diagram A 5 Electrical Parti a A e 5 2 PCB Printed DIM AAA 6 Function and Control 6 1 Remote Controller Introduction sisi 6 2 Brief Description of Modes and FUNCIONA iii ainia tion Part II Installation and Maintenance iii 8 Installation 8 1 Installation Dimension DIAM nettes 8 2 Installation Parts checking cas gs ecm ce cd ee tic 8 3 Selection of Installation Local aaa 8 4 Electric Connection Requirement sise 2 MS aN AOR of MINOR Uli 8 6 Installation of Outdoor Dri di 8 7 Vacuum Pumping and Leak Detection ennemies 8 8 Check after Installation and Test Operation iii ri sakdn ian nads 9 Maintenances ariere eeen deet 9 1 Precautions before Performing Inspection or Repair
38. Voltage of DC bus bar is too low Compressor Min frequence in test state OFF 3S and blink 11 times and blink 21 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop 1 Measure the voltage of position Land N on wiring board XT if the voltage is higher than 265VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 1 Measure the voltage of position Land N on wiring board XT if the voltage is higher than 150VAC turn on the unit after the supply voltage is increased to the normal range 2 If the AC input is normal measure the voltage of electrolytic capacitor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 Showing during min cooling or min heating test Compressor rated frequence in test state Compressor maximum 48 Showing during nominal cooling or nominal heating test Showing during max cooling or max heating test Installation and Maintenance
39. age on the two ends of capacitor until the N voltage is lower than 20V Check the connection of reactor L in the Electrical Wiring Diagram Connect the reactor Laccording to Elec trical Wiring Diagr am correctly If the wiring of Re energize and reactor Lis normal turn on the unit If the fault is eliminated NY gt Replace the control panel AP1 Installation and Maintenance o Service Manual 58 2 IPM Protection Out of step Fault Compressor Phase Overcurrent AP1 below refers to the outdoor control panel Main check points els the connection between control panel AP1 and compressor COMP secure Loose Is the connection in correct order els the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT els the compressor coil resistance normal Is the insulation of compressor coil against the copper tube in good condition els the working load of the machine too high Is the radiation good els the charge volume of refrigerant correct Fault diagnosis process o Installation and Maintenance Service Manual Energize and switch on Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT If the voltage between terminal L and N on wirin board XT is within 210VAC 25
40. all hole you must set a U shaped curve in the pipe before pipe goes into the room in order to prevent rain from getting into the room As show in Fig 24 MM Wall The drain hos can t raise upwards s Y x ta A Note 1 The through wall height of drain hose shouldn t be higher than the outlet pipe hole of indoor unit As show in Fig 25 2 Slant the drain hose slightly downwards The drain hose can t be curved raised and fluctuant etc As show in Fig 26 Fig 25 43 Service Manual 44 3 The water outlet can t be placed in water in order to drain smoothly As show in Fig 27 Y at PA i The water outlet can t be placed gt Ha x in water x The drain hose can t be fluctuant The drain hose can t be fluctuant The water outlet can t be fluctuant Fig 27 Fig 26 8 7 Vacuum Pumping and Leak Detection 1 Use vacuum pump 1 Remove the valve caps on the liquid valve and gas valve and the nut of refrigerant charging vent 2 Connect the charging hose of piezometer to the refrigerant charging vent of gas valve and then connect the other charging hose to the vacuum pump 3 Open the piezometer completely and operate for 10 15min to check if the pressure of piezometer remains in 0 1MPa 4 Close the vacuum pump and maintain this status for 1 2min to check if the pressure of piezometer remains in 0 1MPa If the pressure decr
41. and dehumidify If you close the light key all the display patterns will close 2 Double 8 display According to the different setting of remote control the nixie light may display the current temperature the temperature scope is from 16 to 30 C and indoor ambient temperature The heating and air supply temperature will display 25 C under auto mode the temperature will display 20 C under the heating mode and under defrosting status heating indicator on indoor unit OFF 0 5s and ON 10s If you set the fahrenheit temperature display the nixie light will display according to fahrenheit temperature 11 Protection function and failure display E2 Freeze proofing protection E4 Exhausting protection E5 Overcurrent protection E6 Communication failure F1 Indoor ambient sensor start and short circuit continuously measured failure in 5S F2 Indoor evaporator sensor start and short circuit continuously measured failure in 5S F3 Outdoor ambient sensor start and short circuit continuously measured failure in 30S F4 Outdoor condenser sensor start and short circuit continuously measured failure in 30S and dont measure within 10 minutes after defrosted F5 Outdoor exhausting sensor start and short circuit continuously measured failure in 30S after the compressor operated 3 minutes H3 Overload protection of compressor H5 Module protection PH High voltage protection PL Low voltage protection P1 Nominal cooling and heating P2 Maximum
42. ating Current ss Ell 50 50 1 1 3500 600 3960 3800 600 5130 1150 220 1550 En ee O 4 ee cla SA gt yl Application Area Indoor Unit Fan Diameter Length DXL mm Cooling Speed SH H M L r min Air Flow Volume SH H M L Dehumidifying Volume SE 5 1 4 9 o 680 560 410 300 1 4 1350 1100 900 700 1350 1150 950 750 Heating Speed SH H M L r min 1350 1140 980 820 1350 1190 1020 850 Indoor Unit Fan Motor Power Output uF mm mm Indoor Unit Evaporator Coil Length XDXW mm Swing Motor Power Output Indoor Unit Sound Pressure Level SH H M L o W E 10 41 38 30 24 42 39 31 25 Indoor Unit Sound Power Level SH H M L mm mm mm Kg kg Indoor Unit Gross Weight o W E 55 52 44 38 56 53 45 39 770X283X201 770X283X201 844X342X261 844X342X261 847X345X276 847X352X276 0 9 Technical Information Service Manual Outdoor Unit Model Outdoor Unit Product Code Compressor Manufacturer Compressor Model Compressor Oil Compressor Type Compressor Locked Rotor Amp L R A CB146W25600_K93261 CB146W25700_K93261 ZHUHAI LANDA COMPRESSOR ZHUHAI LANDA COMPRESSOR CO LTD Co LTD QXA A091ZE 190A QXA A091ZE 190A RB 68EP RB 68EP Compressor Rated Load Amp RLA Compressor Power Input Compressor Overload Protector hrottling Method et Temperature Range Cooling Operation Ambient Temperature Range Heating Operation Ambient Temperature Range Condenser Form Conden
43. ation automatically except pressing ON OFF button If compressor has operates for more than 10 min successively the stop operation times due to modular protection will be cleared 16 Modular overheating protection If 80 CsTmodular operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If 95 C lt Tmodular the unit will stop operation due to protection if Tmodular lt 87 C and compressor has stopped for 3min the complete unit can then be resume operation If the unit stops operation due to modular overheating protection for 6 times successively the unit cant resume operation automatically Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to modular overheating protection will be cleared Malfunction times will be cleared immediately when turning off the unit or switching to fan mode 17 Overload protection of compressor If it detected that overload switch of compressor breaks for 3s successively the system will stop operation due to protection If it detected overload protection is resumed and compressor has stopped for 3min the complete unit can then be allowed to resume operation If it detected that the unit stops operation due to overload protection of compressor for 3 times successively the unit cant resume operation automatically except pressing ON OFF button After
44. cooling and heating P3 Medium cooling and heating PO Minimum cooling and heating 12 Drying Function You may start or stop the drying function under the modes of cooling and dehumidify at the starting status The modes of automatism heating and air supply do not have drying function When you start the drying function after stop the machine by pressing the switch button you should keep running the inner fans for 2 minutes under low air damper The swing will operate as the least status within 2 minutes and other load is stopped then stop the entire machine When you stop the drying function press the switch button will stop the machine directly When you start the drying function operating the drying button wi 13 Memory Function When interrupting the power supply memory content mode swing function light set temperature and wind speed After interrupted the power supply the machine will start when recovering the power according to the memory contentautomatically ll stop the inner fans and close the guide louver Technical Information o 29 Service Manual Outdoor Part 1 Input Parameter Compensation and Calibration Check the input parameter compensation function As the instruction feature of split unit concerning the comfortable in heating mode the indoor ambient temperature of compressor stopping time is higher than preset temperature Check effective judgment controls of parameters Effective judgment funct
45. cooling mode The temperature setting range is 16 30 C 3 Fan Mode 1 The compressor outdoor fan and four way valve are switched off The temperature setting range is 16 30 C 4 Heating Mode Conditions and processes of heating operations Tindoor ambient iS the actual detection temperature of indoor environment thermo bulb AT heating indoor ambient temperature compensation S the indoor ambient temperature compensation during heating operations a If the compressor is stop and Tindoor ambient AT heating indoor ambient temperature compensation T preset S 0 5 C start the machine to enter into heating operations for heating b During operations of heating if 0 C lt Tindoor ambient AT heating indoor ambient temperature compensation preset lt 2 C the heating operation will be still running c During operations of heating if 2 C lt Tindoor ambient AT heating indoor ambient temperature compensation T preset the heating operation will stop after reaching the temperature point 2 The temperature setting range in this mode is 16 30 C 5 Defrosting Control After the time for defrosting is judged to be satisfied if the temperature for defrosting is satisfied after detections for continuous 3minutes the defrosting operation will start Start to defrost Compressor stops and starts up 55S later Defrosting fi nish Compressor stops and starts up 55S later Condition
46. d outdoor unit are i broken according to the resistance sheet check outdoor tube temp in cooling mode check indoor tube temp sensor in heating mode Replace fan capacitor C1 v check if the tube temp sensor is normal Is the tube temp sensor normal Replace De energize the unit and wait for 20min outdoor fan y Replace the control board replace the outdoor control board in cooling mode replace the indoor control board in heating mode temperature sensor Installation and Maintenance Service Manual 4 Diagnosis for failure start up malfunction outdoor unit malfunction Outdoor unit malfunction indicator status D5 D6 D16 D30 x Main detection point elf the compressor wiring is correct elf the stop time of compressor is enough elf the compressor is damaged elf the refrigerant charging is too much Malfunction diagnosis process Energize the unit and start it If the stop time of compressor If the stop time is not enough and the h high and low pressure of system is not is more than 3min balance please start it after 3min Improve the connection situation N of control board AP1 and compressor COMP connect it with wiring diagram f the compressor wire COMP UVW is well connected and connection sequence is correct Does the unit start up normally
47. due to overload protection will be cleared Malfunction and malfunction times will be cleared immediately when turning off the unit under fan mode or switching to heating mode 11 Discharge temperature protection function of compressor If 115 CsTdischarge the unit stops operation due to discharge protection if Tdischarge lt 97 C and compressor has stopped for 3min the complete unit can then be allowed to resume operation If 97 CsTdischarge operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If the unit stops operation due to discharge temperature protection of compressor for 6 times successively the unit cant resume 0 9 Technical Information Service Manual operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation due to discharge protection will be cleared Malfunction and malfunction times will be cleared immediately when turning off the unit or switching to fan mode 12 Current protection function If 12A lt 1 AC current operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If 17 AS AC current the unit stops operation due to overcurrent protection When compressor has stopped operation for 3min the complete unit can then be allowed to resume operation
48. e wall As show in Fig 17 O ES Indoor Outdoor Wall pipe as Fig 16 Lower hook of wall mounting frame Note Do not bend the drain hose too excessively in order to prevent blocking O Installation and Maintenance Service Manual 8 6 Installation of Outdoor Unit 1 Fix the support of outdoor unit select it according to the actual installation situation 1 Select installation location according to the house structure 2 Fix the support of outdoor unit on the selected location with expansion screws A Note 1 Take sufficient protective measures when installing the outdoor unit 2 Make sure the support can withstand at least four times the unit weight 3 The outdoor unit should be installed at least 3cm above the floor in order to install drain joint As show in Fig 18 4 For the unit with cooling capacity of 2300W 5000W 6 expansion screws are needed for the unit with cooling capacity of 6000W 8000W 8 expansion screws are needed for the unit with cooling capacity of 10000W 16000W 10 expansion screws are needed Drain vent Chassis Sy a Outdoor drain joirt At least 3cm above the floor Drain nose Fig 18 Fig 19 2 Install drain joint only for cooling and heating unit 1 Connect the outdoor drain joint into the hole on the chassis 2 Connect the drain hose into the drain vent As show in Fig 19 3 Fix outdoor unit 1 Place the outdoor unit on the
49. eases there may be leakage 5 Remove the piezometer open the valve core of liquid valve and gas valve completely with inner hexagon spanner 6 Tighten the screw caps of valves and refrigerant charging vent As show in Fig 28 Liquid valve Gas valve Refrigerant charging vent Nut of refrigerant y y Charging vent Vacuum pump Inner hexagon oa oe Close Fig 28 2 Leakage detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available please use soap water for leakage detection Apply soap water at the suspected position and keep the soap water for more than 3min If there are air bubbles coming out of this position there s a leakage 8 8 Check after Installation and Test Operation 1 Check after installation Check according to the following requirement after finishing installation NO Items to be checked Possible malfunction oe lee unit may drop shake or installed firmly emit noise refrigerant leakage test heating capacity pipeline sufficient water dripping water dripping Is the voltage of power supply according to the voltage marked on the nameplate Is electric wiring and pipeline installed correctly It may cause electric leakage securely follow the specification damage the parts in air inlet and air outlet heating The dust and sundries caused during installati
50. en the two terminals The capacitor is Yp short circuited and the capacitor should be repla ced Restart the unit If the fault is eliminated Is the resistance around zero N Disconnect the terminals for the reactor and measure the resistanc N between the two terminals of the reactor by an ohm gauge hether there is any damage Replace the reactor i If the fault is eliminated Y gt or short circuit Replace the control panel AP1 64 o Installation and Maintenance Service Manual 8 Communication malfunction following AP1 for outdoor unit control board Mainly detect els there any damage for the indoor unit mainboard communication circuit Is communication circuit damaged eDetect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not if is there any damage Fault diagnosis process Start Did the equipment operate normally before the failure occurs N Check the wiring of the indoor and outdoor units with reference to the wiring diagram Check wiring inside of E the indoor and outdoor Y lt i e c ihectioh right gt units N ee a N y Correctly connect the corresponding wires for the indoor and outdoor units with reference to the wiring diagram Are wires broken The AP1 voltage J detection circuit pp is at fault
51. g com pressor will stop indoor fan motor will work Heat all will stop Outdoorroom temp sensor hasnt connected well or damaged please refer to the sensor resistance value for checking Cooling dehumidifying after 1 Exhaust temp sensor hasnt runing for 3mins later the connected well or damaged plwease compressor will stop to refer to the sensor resistance value run indoor fan motor will start for checking to run heating after run 3 2 Sensor head hasnt insert into the mins later all will stop to run copper tube Overload mormal operation compressor is runing frequency descending Please refer to troubleshooting Installation and Maintenance Service Manual Over current Off 3s 15 need frequency blinks 8 descending times ovarian need Off 3s 9 blinks 9 frequency times descending DC generatrix Off 3s voltage is too blink 11 high times Whole units current testing malfunction Compressor current overcurrent protection Off 3s blink 15 times Defrosting blink 10s IPM protection Outdoor DC OFF 3S and blink 23 times fan motor malfunction Malfunction of zero cross detection circuit PFC protection blink 6 times Compressor blink 7 lose steps times a me u EN E a Of 3s FE blink 13 testing circuit times malfunction Compressor Off 3s 21 overload blink 3 protection times Off 3s 29 EEPROM blink 15 malfunction times Overload mormal operation compressor
52. go 2 495 119 0 77 3 sw 42 9803 amp 245 120 oz 4 se as o2 82 239 121 076 5 8 3 50 87 44 9 054 3 2 265 122 0 729 48 42 45 8 705 2 194 123 0 71 7 n 4 az es 2128 14 060 8 so 47 sot 2059 125 0674 9 as as 7745 er 1006 120 oes E 8 8 39 87 49 7 453 8 1 934 127 0 64 38 01 50 7 173 89 1 875 128 0 623 12 a s 6905 o 1818 129 0607 a sas s2 6648 om 1730 130 050 14 3208 s 6408 2 7n 11 os EE 9 3 31 47 54 6 167 3 1 658 132 0 563 30 04 55 5 942 1 609 133 0 549 a7 2868 s 5726 s 1561 134 oss ae as sr ss 06 1515 135 ost Co zen se sa or ia e oso o Installation and Maintenance Service Manual Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 50K remo Resistance ka neo Resisanca kO TemnC Resistanoelc Tempo Resistance Ca fe pe es ple we fe fos as mee Cn ne so me eo sa me a len s eo o w Seen D ee BRET as esos nu sw ss 1578 aa Ca es is oe ae eos 580 6 73 83 55 14 62 3 96 548 9 70 5 56 14 09 3 84 Ee ee ae ee en a SS ee 458 3 20 6148 12 62 e as 58 77 12 17 3 41 s ES o ws ss wo er so ws re Installation and Maintenance o 115 JF00301
53. ing Diagram Then energize and start the unit the resistance is N normal Resistance higher than 500MQ N y Replace the control panel AP1 If the unit can work normally Replace the compressor COMP EN 69 Service Manual 3 Diagnosis for high temperature overload protection check outdoor unit in cooling mode and check indoor unit in heating mode Outdoor unit malfunction indicator status D5 De D16 D30 o m m Main detection point elf the outdoor ambient temperature is in normal range elf the indoor and outdoor fan is running normally elf the radiating environment inside and outside the unit is well including if the fan speed is too low elf the tube temperature sensor of indoor and outdoor unit is normal Malfunction diagnosis process High temperature overload protection If the outdoor and outdoor unit is too high ambient temperature is higher than 53 N cooling mode if the ambient temperature of indoor lormal protection please use it after improving ambient temperature gt of indoor and outdoor unit 70 mY v If the radiating of outdo and indoor unit is well Improve the radiating Y E p environment of the unit 1 Check if fan terminal OFAN is connected well f the indoor and outdoo N 2 Test if the motors of fan work well indoor an
54. ing dry mode air conditioner operates under dry mode at low speed Dry indicator ae on indoor unit is ON Under dry mode fan speed can t be adjusted Press sr button and AR button to adjust swing angle e After selecting fan mode air conditioner operates only under fan mode All mode indicators on indoor unit is OFF Press FAN button can adjust fan speed Press gt button and AR button to adjust swing angle e After selecting heat mode air conditioner operates under heat mode Heat indicator YE on indoor unit is ON You can press or button to adjust set temperature Press FAN button to adjust fan speed Press 3 button and AR button to adjust swing angle Cooling only unit can t receive the signal for heating mode Note For preventing cold wind after starting up heating mode indoor fan will blow fan after delaying 1 5min Details time is decided by indoor ambient temperature Temperature setting range on remote controller 16 C 30 C Fan speed setting range auto low speed medium speed and high speed 3 or button e After each pressing of or button it can increase or decrease set temperature 1 C Hold or button 2s later set temperature on remote controller will change quickly After reaching to your required time loosen the button Temperature indicator on indoor unit will also change accordingly Temperature can t be adjusted under auto mode e Under TIMER ON TIMER OFF o
55. ion of the outdoor exhaust temperature thermo bulb When conditions a and b are satisfied the outdoor exhaust temperature thermo bulb is judged not to be connected into place the mainboard of outer units will display failure of the outdoor exhaust temperature thermo bulb not connected into place stop the unit for repairing and resume it by remote controls of ON OFF 2 Basic Functions 1 Cooling Mode Conditions and processes of cooling operation a If the compressor is stop and T preset Tindoor ambient A Tooting indoor ambient temperature compensation S 0 5 C start up the unit for cooling and start to cooling operation b During operations of cooling if 0 C lt T reset Tindoor ambient A Tooting indoor ambient temperature compensation lt 2 C the cooling operation will be still running c During operations of cooling if 2 C lt T preset Tindoor ambient A Tcooting indoor ambient temperature compensation the cooling operation will stop after reaching to the temperature point Temperature setting range a If Toutdoor ambient 2 Tiow temperature coo ing the temperature can be set at 16 30 C Cooling at room temperature b If Toutdoor ambient lt Tiow temperature cooling the temperature can be set at 25 30 C Cooling at low temperature that is the minimum setting temperature for outdoor unit judgment is 25 C 2 Dry Mode Conditions and processes of dry operations Same as the
56. itch capacity All models 4 Properly connect the live wire neutral wire and grounding wire of power socket 5 Be sure to cut off the power supply before proceeding any work related to electricity and safety 6 Do not put through the power before finishing installation 7 For appliances with type Y attachment the instructions shall contain the substance of thefollowing lf the supply cord is damaged it must be replaced by the manufacturer its service agent or similarly qualified persons in order to avoid a hazard 8 The temperature of refrigerant circuit will be high please keep the interconnection cable away from the copper tube 2 Grounding requirement 1 The air conditioner is first class electric appliance It must be properly grounding with specialized grounding device by a professional Please make sure it is always grounded effectively otherwise it may cause electric shock 2 The yellow green wire in air conditioner is grounding wire which can t be used for other purposes 3 The grounding resistance should comply with national electric safety regulations 4 The appliance must be positioned so that the plug is accessible 5 An all pole disconnection switch having a contact separation of at least 3mm in all poles should be connected in fixed wiring 6 Including an air switch with suitable capacity please note the following table Air switch should be included magnet buckle and heating buckle function it can
57. ll restart OFF 3S and blink 9 times To protect the electronical components when detect high power Indoor unit and outdoor unit doesnt match compressor and Outdoor fan motor cant work Failure start Defrosting 50 OFF 3S and blink 11 times OFF 3S and blink once during blinking ON 10s and OFF 0 5s During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation contino usly Defrosting will occur in heating mode Compressor will operate while indoor fan will stop operation Installation and Maintenance Refer to the malfunction analysis During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation OFF 3S and blink twice Its the normal state OFF 3S and blink 16 times Service Manual Display Method of Indoor Unit Indicator Display during blinking ON 0 5s and OFF 0 5s Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s A C status Cool Indicator Operation Indicator Heating Indicator Malfunction of phase current detection OFF 3S and blink circuit for 13 times OFF 3S and blink 20 times Yellow During cooling and drying operation compressor will stop while indoor fan will operate D
58. minute operation at low speed the indoor fan will be converted tooperation at preset speed Within 1 minute low speed operation or 2 minute non operation if Ttube gt 42 C the fan will run at present speed 2 In the case of Tindoor amb 224 C if Ttubes42 C the indoor fan will run at low speed and afterone minute the indoorfan will be converted to preset speed Within one minute low speed operation if Ttube gt 42 C the indoor fan will beconvertedto preset speed Note Tindoor amb indicated in 1 and 2 refers to under initially heating mode the indoor ambient temperature before the command to start the compressor is performed according to the program or after the unit is withdrawn from defrost the indoor ambient temperature before the defrost symbol is cleared eTotal current up and frequency down protection If the total current leta sW frequency rise will be allowed if lotaZX frequency rise will not be allowed if lotazY the compressor will run at reduced frequency and if 1a2Z the compressor will stop and the outdoor fan will stop with a time lag of 30s 4 Fan Mode Under the mode the indoor fan will run at preset speed and the compressor the outdoor fan the four way valve and the electric heater will stop Under the mode temperature can be set within a range of 16 30 C 5 AUTO Mode The condition and process of auto a When Tamb 226 C the unit will operate at Cooling mode In that case the set temperature will be
59. mpressor stops 2 The condition and process of defrosting When frost is detected in the condenser the system will enter into defrosting state When defrosting starts the compressor and indoor fan will stop and the outdoor fan and four way valve will delay 30 seconds to stop The compressor will start after 15 seconds and then defrosting will be started When the compressor has run for 7 minutes or defrosting is finished the compressor will stop After 30 seconds the four way valve opens and after another 60 seconds the compressor and outdoor fan resume running The indoor fan will delay 3 minutes to run at the latest and heating indicator on indoor unit OFF 0 5s and ON 10s 3 Protection function eAnti cold wind protection In HEAT mode in order to prevent the indoor unit from blowing out cold wind each time the compressor starts the indoor fan will delay 3 minutes after the compressor to run at the latest and it can adjust fan speed automatically when temperature is low eOvercurrent protection Overcurrent protection is the same with that in COOL mode eCold air prevention The unit is started under heating mode the compressor is ON 0 o Technical Information Service Manual 1 In the case of Tindoor amb lt 24 C if Tstube40 C and the indoor fan is at stop state the indoor fan will begin to run at low speed with a time lag of 2 minutes Within 2 minutes if Ttube gt 40 C the indoor fan also will run at low speed and after1
60. n of capacitor C2 according to Electrical Wiring Diagram If the voltage pc supply between terminal L and N on wiring N OS ne board XT is within 210VAC 250VAC 210VAC 250VAC Y Restart the unit Before protection occurs use DC voltmeter to measure the voltage between the two N ends of electrolytic capacitor on control panel AP1 test3 If the unit can work normally Reconnect the capacitor C2 according to Electrical Wiring Diagram Then Restart the unit Remove the wires on the two ends of capacitor C2 Then use capacitance meter to measure the capacitor C2 Verify as per the Parameters Sheet If capacitor C2 is failed If there is any abnormality described above Stop the unit and disconnect the power supply Wait 20 minutes or use DC voltmeter to measure N the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If the unit can work normallv Replace the capacitor C2 Then energize Yo and start the unit Replace the N control panel AP1 ai Take corrective actions according to Technical Service Manual and then energize and start the unit If the unit can work normally Replace the control panel AP1 Connect the control panel AP1 and compressor COMP correctly eg gt to the Electrical Wir
61. n the DC bus returns to its normal value and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation Technical Information 27 Service Manual 28 3 Other Controls 1 ON OFF Press the remote button ON OFF the on off state will be changed once each time you press the button 2 Mode Selection Press the remote button MODE then select and show in the following ways AUTO COOL DRY FAN HEAT AUTO 3 Temperature Setting Option Button Each time you press the remote button TEMP or TEMP the setting temperature will be up or down by 1 C Regulating Range 16 30 C the button is useless under the AUTO mode 4 Time Switch You should start and stop the machine according to the setting time by remote control 5 SLEEP State Control Cooling mode a When initial temperature setting is 16 23 C after turning on sleep function temperature will increase 1 C every one hour After temperature is increased by 3 C the unit will keep this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time b When initial temperature setting is 24 27 C after turning on sleep function temperature will increase 1 C every one hour After temperature is increased by 2 C the unit will keep this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this
62. nnee ennenneneeeneeeeen eenen 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement nnee een 9 3 Procedure of Troubleshooting siria pin cial 0 Table of Contents Service Manual PDDONIGIK rmac Appendix 1 Reference Sheet of Celsius and Fahrenheit nnen eenen enen ennennen Appendix 2 Configuration of Connection PIPO unne waren Appendix 3 Pipe Expanding Method 0 1 Appendix 4 List of Resistance for Ambient Temperature Sensor Table of Contents Service Manual Part Technical Information GAG A128GVR T3 GAG A135GVR T3 1 Summary Indoor Unit GAN A128GVR T3 GAN A135GVR T3 Outdoor Unit Remote Controller a YB1F2 Technical Information 2 Specifications 2 1 Specification Sheet Product Code Rated Voltage y Service Manual GAN A128GVR T3 GAN A135GVR T3 Supply Phases Power Supply Mode Cooling Capacity Min Max Heating Capacity Min Max Cooling Power Input Min Max Heating Power Input Min Max Cooling Current Input Heating Current Input Rated Input Rated Cooling Current Rated He
63. o the outdoor side with the gradient of 5 10 As show in Fig 2 Indoor Outdoor UA 5 10 7 gt Fig 2 A Note 1 Pay attention to dust prevention and take relevant safety measures when opening the hole 2 The plastic expansion particles are not provided and should be bought locally Installation and Maintenance o 4 Outlet pipe 1 The pipe can be led out in the direction of right rear right left or rear left As show in Fig 3 2 When selecting leading out the pipe from left or right please cut off the corresponding hole on the bottom case As show in Fig 4 Rear left Left Right Fig 4 Cut off the hole 5 Connect the pipe of indoor unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the open end wrench on the pipe joint and place the torque wrench on the union nut Tighten the union nut with torque wrench As show in Fig 6 4 Wrap the indoor pipe and joint of connection pipe with insulating pipe and then wrap it with tape As show in Fig 7 J Pipe joint Union nut Pipe Open end wrench Union nut Torque wrench Pipe nd RI Fig 5 Indoor pipe Fig 6 E _ y LS 4 SEM Insulating pipe Fig 7 Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m ae
64. oard AP1 mainboard Replace indoor 74 If the malfunction is removed Installation and Maintenance Service Manual Diagnosis process for outdoor communication circuit refer to the key detection points of outdoor unit Test voltage valueof Test10 position in diagram with voltage meter Number jumping Test voltage value of Test 13 position in diagram with voltage meter Number jumping Outdoor unit malfunction End Test voltage value of Test 10 position in diagram with voltage meter Number jumping Test voltage value of Test 12 position in diagram with volltage meter Number jumping Communication circuit of outdoor unit is normal Installation and Maintenance o Service Manual Appendix Appendix 1 Reference Sheet of Celsius and Fahrenheit Conversion formula for Fahrenheit degree and Celsius degree Tf Tcx1 8 32 Set temperature Fahrenheit display Fahrenheit temperature CE Celsius CC CF 62 63 62 63 0 6e 68 2 Ambient temperature Fahrenheit display Fahrenheit temperature CF CF 34 35 33 8 37 38 Fahrenheit Fahrenheit display Fahrenheit a display Fahrenheit temperature CEJ Celsius C temperature CF Celsius C CF CF 86 86 30 Fahrenheit Fahrenheit displa Fahrenheit a displa Fahrenheit be tus CF
65. of liquid pipe X additional refrigerant charging amount per meter Additional refrigerant charging amount for R22 R407C R410A and R134a Liquid pipe mm Gas pipe mm 012 019 or 022 2 016 0254 or 031 8 60 120 019 250 250 22 2 Installation and Maintenance 111 Service Manual Appendix 4 List of Resistance for Ambient Temperature Sensor 3Resistance Table of Ambient Temperature Sensor for Indoor and Outdoor Units 15K remo Resistance tempo Resstnce kaj Tempo Resistance Tempo Resistance Die ts 2 ws so sus os on el me n mes o sm o rs Cof ms e nu e sss 10 i 23 16 39 62 3 454 0 98 Cas aaa aa en Du we a is se ms 0 el as a ue jee CE 222 z 1874 66 2008 105 0873 Ll eras 2 1316 er 28 1 oss 82 75 29 12 6 2 797 0 825 a ns 30 o 2702 we os NEEN NN A ae 70 5 32 11 09 71 2 523 0 758 66 88 33 10 63 72 2 439 0 737 este a 102 z 238 m2 om7 alas es dem me CN oer aw 36 0382 75 2200 ms oss 54 31 37 9 003 76 2 133 115 ose ss f se ss m 2o f me os 39 8207 7e 1997 a rss eo 1971 no os 42 14 81 120 0 577 40 09 121 0 561 124 0510 1 544 125 0 505 es ea es es CEN 126 0 492 eo 90 La 42 7 352 43 7 065 4a em as es as
66. on During heating operation the complete unit stops During cooling and drying operation compressor and outdoor fan stop while indoor fan operates Possible Causes Possible reasons 1 Refrigerant was superabundant 2 Poor heat exchange including filth blockage of heat exchanger and bad radiating environment Ambient temperature is too high 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty System block OFF 3S or refrigerant and blink 3 times High discharge temperature and blink protection of 4 times compressor and blink 7 times The Dual 8 Code Display will show E3 until the low pressure switch stop operation During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Low pressure protection 2 Low pressure protection of system 3 Low pressure protection of compressor Please refer to the malfunction analysis discharge protection overload OFF 3S and blink 5 times Overcurrent protection OFF 3S and blink 5 times During cooling and drying operation compressor and outdoor fan stop while indoor fan operates During heating operation all loads stop 1 Supply voltage is unstable 2 Supply voltage is too low and load is too high 3 Evaporator is dirty OFF 3S Communi cation Malfunction resistant protection malfunction
67. on are removed The gas valve and liquid 11 valve of connection pipe are open completely It may cause malfunction or damage the parts It may cause malfunction or damage the parts It may cause malfunction or damaging the parts It may cause insufficient cooling heating capacity 2 Test operation 1 Preparation of test operation e The client approves the air conditioner installation e Specify the important notes for air conditioner to the client 2 Method of test operation e Put through the power press ON OFF button on the remote controller to start operation e Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not e f the ambient temperature is lower than 16 C the air conditioner can t start cooling Fr Installation and Maintenance Service Manual 9 Maintenance 9 1 Precautions before Performing Inspection or Repair There are high capacity electrolytic capacitors on the outdoor mainboard Thus even the power is cut off there is high voltage inside the capacitors and it needs more than 20min to reduce the voltage to safety value Touching the electrolytic capacitor within 20min after cutting the power will cause electric shock If maintenance is needed follow the steps below to discharge electricity of electrolytic ca pacitor after power off 1 Open the top cover of outdoor unit and then remove the cover of electric box o
68. one ea y 537 OO ms Jed TE ISAT L De Date ss RER 0 L _ i 2550 j So 1 ji oZ2zz0 l T H l Eanes E eaaa AA A a tee een ee 1 l l H l l 1 1 l l l l l H l i f a o o o o S A 120 E OD Oo ZI el Te A eg DE Do mv RE SEE E D SAGEN __ S552 Boo D O Q Sy A Bf ony en l eee Ds ni Ae a Me see ae ee See ae EES i o o Te ones Aoedeo 10 10 15 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 Outdoor temp C Outdoor temp C 18 amp 24K Unit Heating Cooling O SDN S LO nS Soo 25 E 25 es O x zal Geet UT be Gen e R el gOS ana ie cazo ele SOE Soo PREE PE DOO l un Soa t OEE je o an E k en t l 1 2 o o o o QO o o O N Co LO st 9 ones Ayoedeo m st N O y o 2 oe 25 SI OTE 2 R 20 EE 0 8 Cc L 332 18 eee lap LO ap st ap mM ap S D OLD OO L L QO Q O OO OO O O LD Ll ss ones Ayoedes Outdoor temp C Outdoor temp C Technical Information Service Manual 2 5 Cooling and Heating Data Sheet in Rated Frequency Cooling Rated cooling Pressure of gas pipe Inlet and outlet pipe condition C DB connecting indoor
69. op All loads work normally but the running frequency limited or decrease 1 Power supply voltage is lower than AC175V 2 Wire terminal 4V loosen or wire break 3 4V damaged replace 4V Replace the outdoor control board AP1 Indoor unit air return is poor or fan speed is to low Installation and Maintenance Service Manual 9 3 Procedure of Troubleshooting Applicable for 09 amp 12K model 1 Capacitor charge fault Fault with outdoor unit AP1 below refers to the outdoor control panel Main Check Points eUse AC voltmeter to check if the voltage between terminal L and N on the wiring board is within 210VAC 240VAC els the reactor L correctly connected Is the connection loose or fallen Is the reactor L damaged Fault diagnosis process Turn on the unit and wait 1 minute Use DC voltmeter to measure the voltage on the two ends of electrolytic capacitor Fault with the voltage Y testing circuit on Replace the control control panel AP1 panel AP1 Voltage higher than 200V N y Measure the AC voltage between terminalL andN on wiring board XT power supply Shut down the power and repair the power supply to restore the range 210VAC 250VAC Voltage within power on and 210VAC 250VAC restart the unit If the fault is eliminated Y y Shut down the power and wait 20 minutes or use DC voltmeter to measure the volt
70. ory function is available for the first energization if the compressor is at stop before de energization the compressor will be started without a 3 minute lag if the compressor is in operation before de energization the compressor will be started with a 3 minute lag and once started the compressor will not be stopped within 6 minutes regardless of changes in room temperature 1 COOL mode The condition and process of cooling If Tamb2Tpreset COOL mode will act the compressor and outdoor fan will run and the indoor fan will run at the set speed If TambsTpreset 2 C the compressor will stop the outdoor fan will delay 30 seconds to stop and the indoor fan will run at the set speed If Tpreset 2 C lt Tamb lt Tpreset the unit will keep running in the previous mode In this mode the reversal valve will not be powered on and the temperature setting range is 16 30 C Protection function eOvercurrent protection If total current is high the compressor will run in limited frequency If total current is too high the compressor will stop the outdoor fan will delay 30 seconds to stop indoor unit will display E5 and outdoor yellow light will blink 5 times eAntifreezing protection When the antifreezing protection is detected the compressor will stop the outdoor fan will stop after 30 seconds and the indoor fan and swing motor will keep running in the original mode When antifreezing protection is eliminated and the compressor has stop
71. ped for 3 minutes the compressor will resume running in the original mode 2 Dehumidifying mode Working conditions and process of dehumidifying If Tamb gt Tpreset the unit will enter cooling and dehumidifying mode in which case the compressor and the outdoor fan will operate and the indoor fan will run at low speed If Tpreset 2 C lt Tamb lt Tpreset the compressor remains at its original operation state If Tamb lt Tpreset 2 C the compressor will stop the outdoor fan will stop with a time lag of 30s and the indoor fan will operate at low speed Protection function Protection is the same as that under the cooling mode 3 HEAT mode The condition and process of heating If TambsTpreset 2 C HEAT mode will act the compressor outdoor fan and reversal valve will run the indoor fan will delay 3min to stop at the latest If Tpreset 2 C lt TambsTpreset 5 C the unit will keep running in the original mode If Tamb2Tpreset 5 C the compressor will stop the outdoor fan will delay 30sec to stop and indoor fan will blow 60S at low speed the fan speed cannot be shifted within blow residual heat eln this mode the temperature setting range is 16 30 C eThe air conditioner will adjust the running frequency of the compressor automatically according to the change of ambient temperature eWhen the unit is turned off in HEAT mode or switched to other mode from HEAT mode the four way valve will be powered off after the co
72. perature and overload protection diagnosis AP1 hereinafter refers to the control board of the outdoor unit Mainly detect els outdoor ambient temperature in normal range eAre the outdoor and indoor fans operating normally els the heat dissipation environment inside and outside the unit good Fault diagnosis process Overheat and high temperature protection Normal protection please operate Y it after the outdoor ambient temp gt erature is normalized Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Improve the heat Y dissipation environ gt ment of the unit Is heat dissipation of the indoor unit and outdoor unit abnormal 1 Check if the fan terminal OFAN is connected correctly N 2 Resistance between any two terminals is measure by an ohm gauge and should be less than 1K Ohm Does the outdoor fan work normally Y Replace the fan capacitor C1 Replace the control panel AP1 Replace the outdoor fan End 60 o Installation and Maintenance Service Manual 4 Start up failure following AP1 for outdoor unit control board Mainly detect eWhether the compressor wiring is connected correct els compressor broken els time for compressor stopping enough Fault diagnosis process Power on the unit Is stop time of the compressor longer than 3 minutes Restart
73. r ly is ON red indicator You can operate the air conditioner through the remote controller e At ON status after each pressing button on remote controller the signal icon on remote controller will flash once Air conditioner will give out a sound which indicates the signal has been sent to air conditioner e At OFF status display screen on remote controller displays set temperature At on status display screen on remote controller displays the corresponding startup function s icon Technical Information Service Manual 1 ON OFF button Press this button can turn on or turn off the air conditioner After turning on the unit operation indicator cls on indoor unit is ON green indicator Color may be different for different models and indoor unit gives out a sound 2 MODE button Press this button can select your required operation mode AUTO COOL DRY FAN HEAT ee ee xe y e After selecting auto mode air conditioner will operate automatically according to ambient temperature Set temperature can t be adjusted and also can t be displayed Press FAN button can adjust fan speed Press gt button and AR button can adjust swing angle e After selecting cool mode air conditioner operates under cool mode Cool indicator x on indoor unit is ON You can press or button to adjust set temperature Press FAN button can adjust fan speed Press gt button and AR button can adjust swing angle e After select
74. r Clock setting you can press or button to adjust time Refer to TIMER button for details 4 FAN button Press this button you can select the fan speed in sequence auto AUTO low speed ad medium speed ad high speed aaf Ge gt gt ad gt a ll gt Note e Under auto mode air conditioner will select proper fan speed according to ex factory setting automatically Air conditioner will select proper fan speed according to ex factory setting automatically e Low speed under dry mode 5 gt button Press this button can select up amp down swing Swing angle can be selected in sequence as below When selecting 3J with remote controller its auto swing Horizontal louver of air conditioner will swing up amp down automatically at the maximum angle When selecting J Ls A gt A with remote controller it s the fixed position swing Horizontal louver of air conditioner will stop at that position as shown by the icon to swing y a sI 1 LR no display A 1 horizontal louvers stops at current position Technical Information o 23 Service Manual 24 6 7A button Press this button can select left amp right swing Swing angle can be selected circularly in sequence as below z E E o Gani no display 4 FR SAN ZN horizontal louvers stops swing anele is dis at current position played dynamically e When selecting FA with remote controller it s auto swing Horizontal
75. ration process if compressor operates for more than 10min times of stop operation due to freeze prevention protection will be cleared Malfunction and malfunction times will be cleared immediately when turning off the unit or switch to fan heating mode 10 Overload protection function Overload protection function under cooling or drying mode if 65 CsToutdoor tube the unit stops operation due to overload protection under cooling if Toutdoor tube lt 55 C and compressor has stopped for 3mins the complete unit can then be allowed to resume operation 2 under cooling or drying mode if 55 C lt Toutdoor tube operation frequency of compressor will decrease or operation frequency of compressor will stop increasing 3 Overload protection function under heating mode if 64 CsTindoor tube the unit will stop operation due to overload protection under heating If Tindoor tube lt 54 C and compressor has stopped for 3min the complete unit can then be allowed to resume operation Under heating mode if 54 C lt Tindoor tube operation frequency of compressor will decrease or operation frequency of compressor will stop increasing If the unit stops operation due to overload protection for 6 times successively the unit cant resume operation automatically and error code will be displayed successively Only press ON OFF button can resume the operation During operation process if compressor operates for more than 10min times of stop operation
76. rect 3 Reinstall the cover of battery box A remove Note e During operation point the remote control signal sender at the receiving window on indoor unit e The distance between signal sender and receiving window should be no more than 8m and there Cover of battery box should be no obstacles between them e Signal may be interfered easily in the room where there is fluorescent lamp or wireless telephone remote controller should be close to indoor unit during operation e Replace new batteries of the same model when replacement is required e When you don t use remote controller for a long time please take out the batteries e If the display on remote controller is fuzzy or there s no display please replace batteries Emergency Operation If remote controller is lost or damaged please use auxiliary button to panel turn on or turn off the air conditioner The operation in details are as below As shown in the fig press aux button to turn on or turn off the air conditioner When the air conditioner is turned on it will operate under auto mode aux button Technical Information o 25 Service Manual 26 6 2 Brief Description of Modes and Functions For 09 12K Unit 1 Temperature Parameters elndoor preset temperature Tpreset elndoor ambient temperature Tamb 2 Basic Functions Once energized in no case should the compressor be restarted within less than 3 minutes In the situation that mem
77. ressing of or button time will increase or decrease half an hour When holding or button 2s later the time will change quickly until to reach to your required time After that press TIMER button to confirm it The character of HOUR and OFF won t flash again Cancel TIMER OFF Press TIMER button again under TIMER OFF status 0 9 Technical Information Service Manual e At OFF status press this button once can set TIMER ON Please refer to TIMER off for detailed operation Cancel TIMER ON Press TIMER button again under TIMER ON status Note e Time setting range 0 5 24 hours e Time interval between two operations can t exceed 5s Otherwise remote controller will exit the setting status automatically 11 TURBO button When pressing this button under cooling or heating mode air conditioner will enter into quick cooling or quick heating mode The character of TURBO is displayed on remote controller Press this button again to exit turbo function and the character of TURBO will be disappeared on remote controller 12 SLEEP button Press this button under cooling heating or drying mode can start up sleep function icon will be displayed on remote controller Press this button again to cancel sleep function icon on remote controller will be displayed 13 LIGHT button Press this button can turn off the light for indoor unit s display icon on remote controller will disappear Press this b
78. s Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Cooling dehumidifying compressor stops running indoor fan motor works Heating all will stop running Over load normal works compressor runing frequency declines Service Manual Pls refer to Part 3 capacitor charging fault of troubleshooting Replace the outdoor control board AP1 To check whether the ambient Temp of IPM is too high or the heat sinhing of IPM is dirty else replace the outdoor baord AP 1 Power voltage is not stable 1 Check the Input voltage if the Voltage is lower than 150VAC restart the machine when the power supply is mormal 2 Checking the reactor L connection Whole unit break for 20 mins and discharge to check the outdoor control board AP1s IPM module coolant whether is short the radiator is tightened If above phenomenon is not OK Please improve or replace the control board AP1 54 Four way valve abnormal Outdoor unit zero cross detecting error Anti freezing IImit decrease frequency This malfunction happened only in heating mode all will stop to run Cooling compressor will stop indoor fan motor works Heating all will st
79. s of fi nishing defrosting The defrosting operation can exit when any of the conditions below is satisfied a Toutdoor pipe2 12 C D Toutdoor ambient lt 5 C and the Toutdoor pipez 6 C last more than 80S c The continuous running time of defrosting reaches to 8min 6 Compressor Control Technical Information o 33 Service Manual 34 The frequency of compressor will be controlled with the relationship of ambient temperature and preset temperature and changing speed of ambient temperature 2 Start the compressor after starting cooling heating dry operations and the outdoor fan start for 5s When the unit is off in safety stops and switching to fan mode the compressor will stop immediately In all modes once the compressor starts up it will not be allowed to stop until having run for the T min compressor running time Note including cases of shutdown when the temperature point is reached except the cases requiring stopping the compressor such as fault protection remote shutdown mode switching etc In all modes once the compressor stops it will be allowed be restart after 3 minute delay Note The indoor units have a function of power memory the machine can be restarted after remote shutdown and powering up again without delay 7 Outdoor Fan Control When the unit is off by remote control in safety stops and stop after reaching to the temperature point In fan mode The outdoor fan stops
80. s run for a period of time Please confirm 1 If the indoor and outdoor heat exchangers are dirty If they are obstructed by other objects which affect the heat exchange of indoor and outdoor unit 2 If the indoor and outdoor fans are working normally 3 If the environment temperature is too high resulting in that the system pressure is too high and exceeds the permissible range 4 If the charge volume of refrigerant is too much resulting in that the system pressure is too high 5 Other conditions resulting in that the system pressure becomes too high y Refer to the Electrical Wiring Diagram and check if the connection between AP1 and COMP is loose and if the connection order is correct the connection between AP1 and COMP is unsecur or the connectionorder is wrong Use ohmmeter to measure the resistance between the three terminals on compressor COMP and compare the measurements with the compressor resistance on Service Manual Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Installation and Maintenance Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT Voltage betweei e two ends of celectrolytic capacitor test3 is higher tha 250V N Stop the unit and disconnect the power supply Then check the connectio
81. ser Pipe Diameter Condenser Rows fin Gap Condenser Coil Length LXDXW Outdoor Unit Fan Motor Speed A 20 20 A 4 5 4 5 W Ze C C 09 52 GAG A128GVR T3 GAG A135GVR T3 mm 2 1 4 710X38 1X508 860 Outdoor Unit Fan Motor Power Output Outdoor Unit Fan Motor RLA Outdoor Unit Fan Motor Capacitor Outdoor Unit Air Flow Volume Outdoor Unit Fan Type Outdoor Unit Fan Diameter Defrosting Method solation Moisture Protection Permissible Excessive Operating Pressure for the Discharge Side 35 mm rpm 900 Ww 30 A 03 uF 25 mh 0394 5 Automatic Defrosting EN T1 1 mm IP24 4 3 Permissible Excessive Operating Pressure for the Suction Side Outdoor Unit Sound Pressure Level H M L Outdoor Unit Sound Power Level H M L 4 3 2 5 2 5 dB A 51 53 BA Outdoor Unit Dimension WXHXD mm 776X540X320 848X540X320 Outdoor Unit Dimension of Carton Box LXWXH Outdoor Unit Dimension of Package LXWXH mm 848X360X580 878X360X580 mm 851X363X595 881X363X595 8 30 Outdoor Unit Net Weight kg fo E Outdoor Unit Gross Weight Refrigerant Refrigerant Charge kg Connection Pipe Connection Pipe Length Connection Pipe Gas Additional Charge Outer Diameter of Liquid Pipe Outer Diameter of Gas Pipe Max Distance Height m Max Distance Length m The above data is subject to change without notice please refer to the nameplate of the unit Technical Information 2 2 Operation
82. ssor outdoor fan motor will stop indoor fan will work heating all will stop 1 Poor indoor unit air returning 2 Indoor fan motor rotating speed abnormal 3 Evaporator is dirty Pls refer to rtouble shoot air exhaust protection overload 1 power supply is stable fluctuation is too much 2 Power supply is too low overload is too much Cooling compressor will stop indoor fan motor works Heating all will stop Please refer to troubleshooting Cooling compressor will stop indoor fan motor works Heating all will stop Please refer to troubleshooting 1 Poor insert for GPF 2 Indoor control board AP1 malfunction 3 Indoor motor M1 malfunction Indoor control board AP1 jump cap poor connected please reinsert or replace the jump cap Whole unit will stop to run Whole unit will stop to run Cooling dehumidifying indoor fan motor is runing other overloads will stop Heating whole unit will stop to run Cooling dehumidifying indoor fan motor runing other overload will stop Heating whole unit will stop 1 Room temp sensor is not connected with the control panel AP1 2 Room temp sensor is damaged 1 Tube temp sensor is not connected with the conrtol panel AP1 2 Tube tmep sensor is damaged Cooling dehumidifying com pressor will stop indoor fan motor will work Heat all will stop Outdoorroom temp sensor hasnt connected well or damaged please refer to the sensor resistance value for checking Cooling dehumidifyin
83. support 2 Fix the foot holes of outdoor unit with bolts As show in Fig 20 Foot holes Foot holes Fig 20 4 Fix outdoor unit 1 Remove the screw on the right handle of outdoor unit and then remove the handle As show in Fig 21 2 Remove the screw cap of valve and aim the pipe joint at the bellmouth of pipe As show in Fig 22 ia Liquid Liquid pipe Pipe joint E SS gas pipe AD KO Union nut gas valve XO Fig 22 3 Pretightening the union nut with hand 4 Tighten the union nut with torque wrench Installation and Maintenance o Refer to the following table for wrench moment of force Hex nut diameter mm Tightening torque N m 5 Connect outdoor electric wire 1 Remove the wire clip connect the power connection wire to the wiring terminal according to the color fix them with screws As show in Fig 23 1 2 3 ji bue black oi a yellow green Connect to indoor unit B handle Fig 23 2 Fix the power connection wire wire with wire clip A Note 1 After tightening the screw pull the power cord slightly to check if it is firm 2 Never cut the power connection wire to prolong or shorten the distance 6 Neaten the pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semidiameter of bending the pipe is 10cm 2 If the outdoor unit is higher than the w
84. tatus Malfunctions High pressure of system might be 1 Refrigerant is too much 2 Poor heating exchanging for units including heat exchanger is dirty and unit heating radiating ambient is poor 3 Ambient temp is too high cooling dehumidifying except the indoor fam motor is runnig others will stop to run heating all stop running Anti freezing protection Compressor air exhaust high temp protection 3s off blink four times Off 3s blink 5 times AC overload protection Indoor and outdoor units communication malfunction Off 3s blink 6 times Off 3s blink 8 times Anti high temp protection Indoor unit motor no feedback Off 3s blink 15 times Jump wire cap malfunction protection Indoor ambient sensor open circuit short circuit Indoor evaporator sensor ciruit open short circuit Outdoor ambient sensor circuit open circuit short Outdoor condemsor sensor open circuit short circuit o Off 3s blinks 4 times N Outdoor air exhaust sensor open circuit short circuit Off 3s blinks 5 times w Off 3s blinks 6 times Overload limit descending frequency A cooling dehumidifying com pressor outdoor fan motor will stop running indoor fan motor will keep running cooling dehumidifying com pressor outdoor fan motor will stop running indoor fan motor works heating all stop running Cooling dehumidifying com pre
85. temperature all the time c When initial temperature setting is 28 29 C after turning on sleep function temperature will increase 1 C every one hour After temperature is increased by 1 C the unit will keep this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time When the initial temperature setting is 30 C the unit will operate under this temperature After operation for 7 hours temperature will decrease 1 C After that the unit will operate at this temperature all the time Heating mode a When initial temperature setting is 16 C the unit operate under this temperature all the time b When initial temperature setting is 17 20 C after turning on sleep function temperature will decrease 1 C every one hour After temperature is increased by 1 C the unit will keep this temperature c When initial temperature setting is 21 27 C after turning on sleep function temperature will decrease 1 C every one hour After temperature is increased by 2 C the unit will keep this temperature d When initial temperature setting is 28 30 C after turning on sleep function temperature will decrease 1 C every one hour After temperature is increased by 3 C the unit will keep this temperature 6 Indoor Fan Control Speed of indoor fan can be set as Turbo High Med Low by remote control In that case fan will operate at super high high medium
86. ting 8 T T T T T l l l PERA PAR PERA Reese je A l l Gps pee Femme ef psi l 1 pe a nnn nk mas Fit jk dese ER en ees ere ae l l i i i NOE Diea ey A ee bea Condition Indoor DB 20 C A Indoor air flow Super High _ Pipe length 5 m Voltage 230V 1 e n a RP a T hk T a FESTA ae l l l 0 0 20 40 60 80 100 120 Compressor Speed rps Heating 11 a ms 9 8 oe x 7 5 6 E 5p 5 O 4 j i 7 3h Conditions 2 Indoor DB20 C WB15 C Outdoor DB7 C WB6 C A Indoor air flow High 0 i Pipe length 5m 0 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed rps Heating 11 10 H 9 ES 8 T T AAA AA 230V Hii 6 E 5 3 O 4 bene A wee ne SEE A SR SES 3 Conditions Indoor DB20 C WB15 C 2F Outdoor DB7 C WB6 C 1 Indoor air flow High Pipe length 5m 0 i i i i i O 10 20 30 40 50 60 70 80 90 100 110 120 Compressor speed rps Technical Information Service Manual 2 3 Capacity Variation Ratio According to Temperature 09 amp 12K Unit Heating Cooling T T T T T l l l l l IDAS A A A A l l H l l PRATS da e ne 2 4 p q l T 5 1 a 5 AA AA edie te A o E p
87. uring blinking ON 0 5s and OFF 0 5s Service Manual Display Method of Outdoor Unit Indicator has 3 kinds of display status and during blinking ON 0 5s and OFF 0 5s A C status Possible Causes Operation Indicator OFF 3S and blink 11 times OFF 3S and blink 23 times OFF 3S and blink 20 times OFF 3S and blink 19 times Cool Indicator Heating Indicator OFF 3S and blink 7 times OFF 3S and blink 6 times Yellow Indicator Indicator Indicator 1 Bad contact of DC motor feedback terminal Internal fan motor external fan 2 Bad contact of DC motor motor compressor and electric heater stop operation guide louver stops at present location control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit Refer to the malfunction operation compressor will stop analysis IPM protection loss while indoor fan will operate y i E E of synchronism protection and During heating operation the overcurrent protection of phase complete unit will stop operation current for compressor During cooling and drying OFF 3S and blink 14 times Refer to the malfunction analysis Outdoor DC fan motor DC fan motor malfunction or malfunction lead to compressor system blocked or the connector stop operation loosed compressor stop operation and Outdoor fan motor will stop 30s latter 3 minutes latter fan motor and compressor wi
88. uring heating operation the complete unit will stop During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop Possible Causes Replace outdoor control panel AP1 Supply voltage is unstable OFF 3S and blink 13 times OFF 3S and blink 20 times module OFF 3S and blink of zero cross Installation and Maintenance During cooling and drying operation the compressor will stop while indoor fan will operate During heating operating the complete unit will stop operation If this malfunction occurs during heating operation the complete unit will stop operation OFF 3S and blink and blink 8 times and blink Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units control panel AP1 1 Supply voltage is lower than AC175V 2 Wiring terminal 4V is loosened or broken 3 4V is damaged please replace 1 Power supply is abnormal 2 Detection circuit of indoor control mainboard is abnormal 51 Service Manual 52 Applicable for 18 amp 24K model Nixie tube is not available for A8 panel Indoor unit displaying method System high pressure protection Outdoor unit display LEDs have 3 D43 Indicator display LED blinks Name of 0 5s ON 0 5s OFF status GOFF mON 7 Blinks malfunction R Cool Hen Bi unning ooling eating D30 AC s
89. utes or us DC voltmeter to measure the voltage between the two ends of capacitor C2 until the voltage is lower than 20V If the unit can work normallv 5 If the unit can Y Y work normally Refer to the Electrical Wiring Diagram and check if the connection between nd CO is loose and if the connection order is correct Take corrective actions according to Technical Service Manual and then energize and start the unit If there is an abnormality described ab ve If the unit can work normally onnect the control pane AP1 and compressor COMP correctly according to the Electrical Wiring Diagram Then energize and start the unit If the connection between AP1 and COMP is unsecure or the connection order is wrong f the unit ca work normally Use ohmmeter to measure the resistance between the three terminals on compressor OMP and compare the measurements with the compressor resistance on ervice Manual Ifthe resistance is normal Use ohmmeter to measure the resistance between the two terminals of compressor COMP and copper tube Resistance higher than 500MQ Replace the control panel AP1 Installation and Maintenance o 59 Service Manual 3 High tem
90. utton again to turn on the light for indoor unit s display icon on remote controller will be displayed Function Introduction for Combination Buttons Child lock function Press and buttons simultaneously can turn on or turn off child lock function When child lock function is started up a icon will be displayed on remote controller If operate remote controller icon will flash three times while remote controller won t send signal Switchover function for temperature display After turning off the unit by remote controller press button and MODE button simultaneously to switch between C and F Operation Guide 1 After putting through the power press Onore button on remote controller to turn on the air conditioner 2 Press mor button to select your required mode AUTO COOL DRY FAN HEAT 3 Press or button to set your required temperature Temperature can t be adjusted under auto mode 4 Press Fan button to set your required fan speed auto low medium and high speed 5 Press and _1_ button to select fan blowing angle Replacement of Batteries in Remote Controller 1 Press the back side of remote controller marked with as shown in the fig and then push out the signal sender battery cover of battery box along the arrow direction D 2 Replace two 7 AAA 1 5V dry batteries and make sure the position of polar and polar are reinstall cor
91. ver of electric box outdoor mainboard 2 As shown in the fig below connect the plug of discharge resistance about 1000hm 20W if there is no discharge resistance you can use the plug of soldering iron to point A and B of electrolytic capacitor There will be sparks when touching them Press them forc ibly for 30s to discharge electricity of electrolytic capacitor discharge resistance or plug of soldering iron outdoor mainboard 3 After finish discharging electricity measure the voltage between point A and B with universal meter to make sure if electricity dis charging is completed in order to prevent electric shock If the voltage between the two points is below 20V you can perform mainte nance safely Installation and Maintenance eee 45 Service Manual 46 9 2 Flashing LED of Indoor Outdoor Unit and Primary Judgement Applicable for 09 amp 12K model Nixie tube is not available for A8 panel Malfunction blinking O 0 5s PA Display Method of Outdoor Display Method of Indoor Unit Unit Indicator has 3 kinds of Indicator Display during N 0 5s and OFF display status and during blinking ON 0 5s and OFF 0 5s High pressure protection of system and blink once OFF 3S and blink twice Antifreezing protection Yellow Indicator Indicator Green Indicator A C status During cooling and drying operation except indoor fan operates all loads stop operati
92. voltage of uni is normal Start to run until the power resume normal voltage Y AAA pe ooe Charge the lt ff the refrigerant is too Y refrigerant with much el Replace control board AP1 service manual Installation and Maintenance Service Manual 6 Diagnosis for overload and discharge malfunction outdoor unit malfunction Outdoor unit malfunction indicator status Overload Discharge Main detection point elf the electron expansion valve is connected well Is the expansion valve damaged elf the refrigerant is leakage elf the overload protector is damaged elf the discharge temp sensor is damaged Malfunction diagnosis process After the u nit de energized for 20min Tihe overload protector SAT N is well connected Y ti MN GRAS ambient temperature test the oS resistance of overload protector with ohmic a meter the resistance value lt 100000 q A Y EN g LR an onnect the wire __ Tf the wiring terminal FA of electron N expansion is well connected N well according to Le wiring disgram Y Check if the coil of electron expansion is installed on the valve normally y Replace overload Check if the expansion valve protector SAT is blocked gt ZEER Remove Es gt malfunction Y v N y
93. will stop Replace outdoor control panel AP1 After the complete unit is de energized for 20mins check whether the thermal grease on IPM Module of outdoor control panel AP1 is sufficient and whether the radiator is inserted tightly If its no use please replace control panel AP1 Overload protection for compressor OFF 3S and blink 3 times OFF 3S and blink 5 times OFF 3S and blink 8 times OFF 3S and blink 4 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation 1 Wiring terminal OVC COMP is loosened In normal state the resistance for this terminal should be less than 1ohm 2 Refer to the malfunction analysis discharge protection overload Refer to the malfunction analysis IPM protection loss of synchronism protection and overcurrent protection of phase current for compressor Installation and Maintenance OFF 3S and blink 5 times a a OFF 3S and blink 10 times 49 Malfunction Name Internal motor fan motor do not operate Desynchro nizing of compressor Outdoor DC fan motor malfunction Indoor unit and outdoor unit doesnt match Display Method of Indoor Unit Indicator Display d
94. ys the character of X FAN and X FAN function is started up Press this button again to cancel X FAN function The character of X FAN will disappear Note e After starting up X FAN function when turning off the unit indoor fan will continue to operate for a while at low speed to dry the residual water inside the indoor unit e When the unit operates under X FAN mode press X FAN button can turn off X FAN function Indoor fan stops operation immediately 9 TEMP button Press this button can see indoor set temperature indoor ambient temperature or outdoor ambient temperature on indoor unit s display Temperature is set circularly by remote controller as below eum ND e When selecting _ by remote controller or no display temperature indicator on indoor unit displays set temperature e When selecting by remote controller temperature indicator on indoor unit displays indoor ambient temperature e When selecting A s by remote controller temperature indicator on indoor unit displays outdoor ambient temperature Note e Outdoor ambient temperature display may can t be selected for some models When indoor unit receives se signal it displays indoor set temperature e Only for the model whose indoor unit has dual 8 display 10 TIMER button e At ON status press this button once can set TIMER OFF The character of HOUR and OFF will flash Press or button within 5s can adjust the time of TIMER ON After each p

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