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(DC Inverter) Series Service Manual

1. Dimensions 92 92 275 Fresh air intake Mr GE A 136 4 install hanger 126 Tn 680 Body Gas side Ln _ 91__
2. transformers Or the signal wire is Tes too long NO Y Check whether the signal wire is shield cable or whether the shield No cable is earthing Yes Check whether the wire is correct No polarity P to P Q to Q E to E Yes Check whether the signal wire is Yes broken NO Y Check whether the signal wires NO insert on main PCB well Y Yes Y Replace indoor main PCB is the error distinguished No Y Replace the outdoor main PCB 130 Remove interference Increase the capacity of anti interference Adopt shield cable Shield cable earthing Correct the connection Replace the signal wire Pull out and insert back Electrical Control System 2 4 4 5 malfunction E3 display Communication malfunction between IPM board and outdoor main board Is there at least one LED in the IPM board light No Y Check the signal wire between the IPM module and the main Yes board is it connected good No Y No Replace IPM board and then check whether the system can run normally outdoor board and then check Yes gt Yes gt whether the system can run normally Reconnect and retry Is
3. 570 570 265 Fresh air intake DN 232 io M mu s ix v Wiring connection port 5 40 68 N Y 647 _ 260 50 2 2150 Distribution duct Indoor Units 24 36 48 Indoor Units
4. 216 Drain pipe 700 _ E Hanging arm Unit mm 53 54 Service Space 3 Service Space omm p SS En re Indoor Units gt 1000mm 4 Wiring Diagrams FB012GMFI16MLD FUNCTION OF SWITCHES SW102 511103 TEMP DJ TEMP COMPENSAT ON 54102 THE STRONGEST LEVEL AIR FLOW RATE THE SECOND STRONGEST LEVEL OF AIR FLOW RATE FACTORY SETTING Indoor Units SWITCH BLACK NWHITE 53 XS2 XP2 N N 54 Wiring Diagrams TO WIRE CONTROLLER WIRING DIAGRAM INDOOR UNIT 5 ome ant st em DISPLAY BOARD CN201 CN202 1 1 1 1 1 1 1 1 1 I I I I I I I I I TEMPERATURE Nxs PIPE TEMPERATURE T2B TEMPERATURE 1 i XPI XP5 CONNECTORS 51 55 CONNECTORS 1 E 1 1 1 1 1 I I I I I I I I I I I I I I 1 D dii uU _ 0 D 0 B uns 9 1 NOTICE 1 THE SELECTION AND MO M
5. 37 5 Duo 49 Indoor Units 5 Indoor Units 4 way Cassette Type T Features 12K TOK u u 7 2 Features 24K 36K 9 9 DIMENSION u Mta 14 4 Service Spaces 16 5 Wiring uuu u uuu uuu 17 6 Electric Characteristics 18 omui 18 B ACCESSORIES nieve mais Eus 19 9 The Specification of 20 Field WINO uuu uu u u uuu u uu usss atus 21 Indoor Units 5 12 18 1 Features 12 18 1 1 gt Q60 surrounding air outlet design affords comfortable feeling 1 2 Compact design gt The body size is 570x260x570mm it s just smaller than the ceiling board so its very easy for installation and will not damage the decoration The panel size is 647x50x647mm The hooks are designed in the four corners of the body which can save installation space 1 3 Electric control box built in design gt The E box is simply and safely built inside the indoor unit Its convenient for installation and maintenance Can check the control part easily you only need to open the air return grille E Box Inside E
6. 18 zon si 2 992 295 0 37 3 dw vo ese s 4m ome m 2 29 4s 7 s T 29 3 4 3 259 s ss _ ese m 2 249 80 242 4 22s 3 _ 3 7 7 amp me 25 3 T re m 224 a 2 7 229 4 wes 3 2m wes 8 se Wo 2M 4 ms 3 8 9 1 29 3 wa 29 amp 42 207 3 t2 4 se 195 4 ws a 38 14 195 s wa sem 18 196 s ws 4 zs 563 1 185 7 wa zi 8 see 1 19 s m 4 nz 8 s amp ws 9 sz 4 x4 ss 184 3 9 5 M 1 34e s 9 46 9 m vs 4 _ ___ 9 a 4e 1 ws o ma s e sw sm ne 9 9 3 NO IND OI AI OINIJ gt LEN IT NTN ITN INIT AN ANN O O O O gt O gt OO N gt 3 10 11 12 13
7. Blowhole Indoor unit ___ Indoor unit PI u g N PI ug N 2 F Nd gt NEA N 6 2 9 The end of drainage pipe shall not contact with ground directly 96 Installation pipe installation 6 3 Drainage test 6 3 1 Water leakage test After finishing the construction of drainage pipe system fill the pipe with water and keep it for 24 hours to check whether there is leakage at joint section 6 3 2 Water discharge test 1 Natural drainage mode the indoor unit with outdoor drainage pump Infuse above 600ml water through water test hole slowly into the water collector observe whether the water can discharge through the transparent hard pipe at drainage outlet 2 Pump drainage mode 2 1 Disconnect the plug of water level switch remove the cover of water test hole and slowly infuse about 2000ml water through the water test hole be sure that the water will not touch the motor of drainage pump Cover of test hole Test hole z 25 Nel Drain plug 2 2 Power on and let the air conditioner operate for cooling Check operation status of drainage pump and then connect the plug of water level switch check the operation sound of water pump and observe whether the water can discharge through the transparent hard pipe at drainage outlet In light of the length of drainage pipe
8. Check if T2 sensor is well fixed Correct the installation or replace T2 sensor Does the problem remain again Yes Y Replace indoor PCB Repair the leakage and recharge the refrigerant 2 4 1 7 Inverter compressor drive protection Refer to the outdoor unit P6 malfunction part to solve this problem 126 Electrical Control System Troubleshooting 2 4 2 For the super slim cassette with up down panel 2 4 2 1 Communication error between indoor unit and up down panel 2 4 2 2 Up down panel is defective FO or F1 Displayed Communication failure between indoor unit and up down panel Or up down panel 15 defective neck the wire connection between up down panel and indoor unit is it right Correct the connection Yes emove up down panel ano repower the indoor unit Connect a display board and turn on it can it start The indoor PCB is defective Change it Yes up down panel is defective Change it Problem is solved Electrical Control System 127 Troubleshooting 2 4 4 For the outdoor unit 2 4 4 2 EO malfunction EO display Outdoor EEPROM malfunction Yes Y If the EEPROM chip is welded on PCB replace the PCB No directly Otherwise check whether the EEPROM chip plugged in PCB well Yes Y Replace the outdoor main board
9. Y Judge 5 Check whether the heat exchanger is dirty Let the refrigerant out then use the Judge 6 Check whether the high pressure nitrogen or refrigerant to gt refrigerant pipe is blocked blow pipe vacuumize and charge the refrigerant again Replace outdoor main board Yes gt Clean the heat exchanger 136 Electrical Control System Troubleshooting 2 4 4 11 P2 malfunction Only for 36 48 P2 display Low pressure protection Judge 1 Whether the wiring between the low pressure protector and main No p Connect it well control board is connected well or correctly Yes v Judge 2 Whether the low pressure protector is broken Method Short connect the low pressure protector socket check whether the system can run normally No Y Check whether the refrigerant system is ok Judge 3 Check whether the outdoor ambient Yes Stop the unit temperature is too low Yes Replace low pressure protector No Y Judge 4 The refrigerant of the system is leakage Leak hunting Charge nitrogen refrigerant Method Connect the pressure to the system if the leakage is serious there to _ Will be distinct gas leakage sound if the u
10. 128 Insert the EEPROM well Electrical Control System 2 4 4 3 E2 malfunction Only 12 18K Power then turn the unit 5 seconds later reconnect the power wire Is the error still displaying after several minutes Yes v Check all the wirings between indoor and outdoor indoor main PCB and outdoor main PCB following the wiring diagram Are all the wirings connected correctly Yes v Measure Vs is it moving alternately between positive value and negative value Vs is between 5 of outdoor unit Yes v Y Is the wiring to the outdoor main PCB connected correctly Yes Y Change the outdoor main PCB Power Is the error extinguished No Y Change the indoor main PCB Electrical Control System Is the wiring to the indoor main PCB connected correctly Yes Y Change the indoor main PCB Power on Is the error extinguished No Change outdoor PCB Troubleshooting 129 Troubleshooting 2 4 4 4 E2 malfunction For 24 48K Power off then turn on the unit 5 seconds later reconnect the power wire ls the error still displaying after several minutes Yes Y Check if there s any interference ouch as too many lamps power
11. P5 display High temperature protection of condenser Check whether the condenser temperature is more than 65 C Yes Y Judge 1 Check whether the outdoor ambient temperature is higher than 50 Judge 2 Check whether heat exchanger is dirty No y Judge 3 The refrigerant pipe is blocked Replace the temperature sensor heck whether the resistance of condenser temp sensor is correct Replace outdoor main board refer to the Appendix 1 Yes p gt Stop the unit Yes gt Clean the heat exchanger Let the refrigerant out then use the high Yes p pressure nitrogen or refrigerant to blow pipe vacuumize and charge the refrigerant again 140 Electrical Control System Troubleshooting 2 4 4 15 P6 malfunction For single phase units At first test the resistance between every two ports of U V W of IPM and P N If any result of them is 0 or close to 0 the IPM is defective Otherwise please follow the procedure below P6 display module protection Check whether range of P N on IPM module is normal DC277 356V for 18 24K 30KBtu h DC277 410V for 36K 48KBtu h Check whether the input power supply is correct 220 24
12. _ we More than 60cm 23 62in 5 SSS N Service space SSN than 30cm 11 81in More than 60cm 23 62in More than 200 78 74 F 11 11 Installation T3 Indoor unit installation 3 Indoor unit installation 3 1 Compact cassette indoor unit installation 3 1 1 Service space for indoor unit ius 7 NE Pm Inlet Ground 3 1 2 Bolt pitch Drain side 523 Hook location 647 Panel 570 Body 647 Panel Unit mm 3 1 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 74 Installation Indoor unit installation Face the concave side of the installation hooks toward the expansible hooks Determine the length of the installation hooks from the height of ceiling then cut off the unnecessary part If the ceiling is extremely high please determine the length of the installation hook depending on the real situation 3 1 4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it Adjust the hexangular nuts on the four i
13. C N j YOOOmm_ gt 1000 43 Wiring Diagrams 4 Wiring Diagrams UBO12GMFI16MLD UB018GMFI16MLD WIRING UNI T ES 202052290087 2 POWER SETTING CN15 DRIVER DLE INDOOR UNIT oor MAINBOARD uter D river DC Motor 2 OL DISPLAY BOARD CN2B d BLACK MIDDLE PIPE TEMP EEG WHITE ROOM TEMP Remate Alarm OUTDOOR UNIT OUTDOOR UNIT Control H Output L FOR OUTDOOR POWER SUPPLY FOR INDOOR POWER SUPPLY 44 Indoor Units Wiring Diagrams UB024GMFI16MLD UB036GMFI16MLD UB048GMFI16MLD 202070390591 INDOOR UNITMAINBOARD DchOTOR DRIVER WOOLE DISPLAY TOWIRE CN 10 C N1DA BOARD CONTROLLER Celina Fl T _ BLACK MIDDLE PIPE elingF loor K CN23 CN33 1 CN28 CN28 ROOM IVERMOD Li BOE OI DRIVERMODLE il 1 TF ON OFFI ALARMI NIG 1 i Outer Driver 1 To ould cor n Remole Comm Dc Matar T mar 0 25 2er 26 60 61 100
14. Whether compressor Whether the connection is N No Reconnect and retest operates good Yes Whether refrigerant circulation volume is normal i protector protector is normal resistance 0 No v Charge refrigerant Yes the outdoor PCB Whether abnormality is the same after gas charging No v Check refrigerant system such as clogging of capillary etc Electrical Control System 135 Troubleshooting 2 4 4 10 P1 malfunction Only for 36K 48K P1 display High pressure protection Judge 1 Whether the wiring between the high pressure switch and main control No gt Connect it well board is connected well or correctly Y Judge 2 Whether the high pressure protector is broken Method Short connect the high pressure protector socket check whether the system can run normally No Y Check whether the refrigerant system is ok Judge 3 Check whether the outdoor ambient temperature is higher than 50C No v Yes Replace high pressure protector Yes gt Stop the unit Judge 4 Check whether the outdoor is bad Yes the outdoor unit ventilate ventilation
15. side lt S Wiring connection port E parts box pun ji 9 MN st lt LB Service hole for 9 Test mouth amp Test cover draining pump 232 Drain hole o T D zi E D 196 C A A 1 T m di 92 92 192 92 LO INI i L 950 le Unit mm Model C D 24K 160 75 205 50 36K 160 95 245 60 48K 160 95 287 60 15 Service Space 4 Service Space height Ceiling Outlet Inlet Outlet Ground Indoor Units 5 Wiring Diagrams CB012GMFHM6MLD CB018GMFI16MLD 202042390121 l WIRE CONTROLLER 28 F x27 30 L Es TE3 24 E 15 TEG 30 RTE ti RTI ipie rt tory setting PIPE 1 SELECTION TERPERATURE AND ANTI COLD AIR HAS BEEN SET BEFORE LEAVING THE FACTORY ANYONE MODIFY EXCEPT THE PERSON aa aras meme WIRING DIAGRAM INDOOR UNIT 202042590 191 NIS In c 2 5HP gt S000 3 2HP gt 10500 lt 4 gt Scettlag ml an m mam LAIH SLAVE To Outdoor Unit Indoor
16. 101 1T Test ODGraltl OIL 102 71 Installation Procedure 1 72 Installation Procedure Indoor unit installation Outdoor unit installation location selection location selection unit installation Outdoor unit installation Refrigerant pipe installation and insulation Refrigerant pipe installation and insulation Drainage pipe installation and insulation Drainage pipe installation and insulation Vacuum drying and leakage checking Additional refrigerant charge Insulation the joint part of refrigerant pipe Wiring connection and electric safety checking Test operation Installation 2 Location selection Location selection 2 1 Indoor unit location selection Y V V Y V V V V Y V V Y V The place shall easily support the indoor unit s weight The place can ensure the indoor unit installation and inspection The place can ensure the indoor unit horizontally installed The place shall allow easy water drainage The place shall easily connect with the outdoor unit The place where air circulation in the room should be good There should not be any heat source or steam near the unit There should not be any oil gas near the unit There should not be any corrosive gas near the unit There should not be any salty air neat the unit There should not be strong electromagnetic wave near the unit There should not be inflammable materials or gas near the unit There s
17. mm a FUNCTION INDICATION 202070590737 Indoor Units 45 Electric Characteristics 5 Electric Characteristics Indoor Units UBO12GMFI16LMD 6 Sound Levels 46 208 230V 187V 253V 208 230V 187V 253V 208 230V 208 230V 187V 187V Microphone 4 Ex R AN A im 1 5m Air outlet side 2 P VA BH BL Ceiling Floor UBO36GMFI16LMD Model UBO48GMFI16LMD Noise level dB A 52 Indoor Units Accessories 7 Accessories 1 Remote controller Remote controller amp Its 2 Remote controller holder 1 holder 3 Mounting screw ST2 9x10 C H lt 8 The Specification of Power UB018GMFI16MLD Power Frequency and Voltage 208 230V 60Hz Circuit Breaker Fuse A 20 16 Ground Wiring 2 0 AWG14 Indoor Outdoor Outdoor Unit Power Wiring 3x2 0 AWG14 Connecting Wiring Strong Electric Signal 4x1 5 AWG16 um cem 40 Indoor Units 47 Floor 9 Field Wiring UB012GMFI16MLD UB018GMFI16MLD Air Condition Link Circuit INDOOR UNIT Use
18. CYB Ceiling Cassette RYB Concealed Ducted UYB Floor Ceiling Flexmount FYB Floor Console DC INVERTER Split Heat Pumps Service Manual 2014 LISAS B 1403 Part 1 General Information 1 ahua u aasan shamu aasan 5 Part Outdoor UNIS uu aS uu ui Ea DOR 60 c usaban kukaa Sasu asua ge 71 Part 5 Electrical Control System 103 specifications designs and information in this book are subject to change without notice for product improvement General Information Part 1 General Information 1 Model Lists maine 2 2 External x EU M CR a REN DAD MEER E MESE 3 SM Mdr UNNS 3 2 UN iS 3 Feat eS uuu u u u 4 General Information Model Lists 1 Model Lists 1 1 Indoor Units R410A capacity multiplied by 1000 Btu h 68 DUA RB e a A NEEN Cooling and heating F 1 2 Outdoor Units Universal Outdoor unit Model Compressor type Compressor Brand Matched indoor units CB012GMFI16MLD RB012GMFI
19. water shall be discharged about 1 minute delayed 2 3 Stop the operation of air conditioner power off the power supply and put the cover of water test hole back to the original place a After stopped the air conditioner 3 minutes check whether there is anything abnormal If drainage pipes have not been distributed properly over back flow water shall cause the flashing of alarm indicator at remote controlled receiving board and even water shall run over the water collector b Continuously infusing water until water level alarmed check whether the drainage pump could discharge water at once If water level does not decline under warning water level 3 minutes later it shall cause shutdown of unit When this situation happens the normal startup only can be recovered by turning down power supply and eliminating accumulated water Note Drain plug at the main water containing plate is used for eliminating accumulated water in water containing plate when maintaining air conditioner fault During normal operation the plug shall be filled in to prevent leakage 6 4 Insulation work of drainage pipe Refer the introduction to the insulation engineering parts Installation 97 Vacuum Drying and Leakage Checking 7 Vacuum Drying and Leakage Checking 7 1 Purpose of vacuum drying Eliminating moisture in system to prevent the phenomena of ice blockage and copper oxidation Ice blockage shall cause abnormal operation of system while copper oxi
20. 4 cable 16A WC OUTDOOR UNIT Ta Pawer supply Ll Use 3 care cable TAAWG 1 Use 3 core cable 16AWG To Power supply Use 3 core cable 12AWG Air Condition Link Circuit 48 Indoor Units Indoor Units Field Wiring Console Type asas 51 2 Dimensions 53 S Service SAGE inenen ennn 54 4 Wiring Diagrams 55 5 Electric Characteristics 56 6 Sound Levels 57 1 58 8 The Specification of Power 58 9 eMule 59 49 Features 1 Features 1 1 Modern and elegant appearance gt simple and stylish designs can nicely harmonies with your living space 1 2 Four panels optional 1 3 Two air outlet ways Cooling mode Quick Cooling To maintain room temp gt Air outlet from top and bottom to make quick cooling When the is just switched or room temp is still high cold air will be blown out from top and bottom air outlet to cool down the room quickly gt Air outlet from top to maintain room temp When the room has been cooled down or the A C has been opened over 1 hour cold air only from the top outlet to keep constant room temp Heating mode gt Anti cold air When the AC is just t
21. Box 1 4 Air passage function gt Reserves the space for air outlet from the side of indoor unit availed to connect air duct from the two sides to the nearby small rooms Indoor Units 7 Features 12 18 8 Indoor Units Features 24 36 2 5 24 36 2 1 Overview gt Compact design super slim body size less space requiring in installation Eachlouver can be separately controlled more comfort air blowing is possible gt Auto lifting panel design more convenient to clean and maintain the filter optional t E i 4 p X m 4 2 840 m 840mm Old Cassette New slim cassette Volume change 18 24 840 230 840 18K 24K 840 205 840 11 Dimension 30K 840 300 840 30K 840 205 840 3290 36K 48K 840 300 840 36K 48K 840 245 840 18 2 2 Fresh air intake function gt Fresh air fulfills air quality more healthy and comfortable gt Ventilation motor is optional to increase the effect of fresh air Indoor Units 9 5 24 36 New air intake 2 3 Optional ionizer generator gt lonizer generator is optional to get refreshing air to your room lonizer generator Ventilation motor connector connector gt lonizer can be switched on or off by remote controller When pressing the Clean Air button on the remote con
22. CB018GMFI16MLD Power Frequency and Voltage 208 230V 60Hz Circuit Breaker Fuse A 20 16 Indoor Unit Power Wiring mm s Ground Wiring 2 0 AWG14 Indoor Outdoor Outdoor Unit Power Wiring 3x2 0 AWG14 Connecting Wiring Line Voltage Electric Signal 4 1 5 AWG16 Low Voltage Electric Signal indoor Unit Power Wing 3 05 AWG24 20 Indoor Units Wiring 9 Field Wiring CB012GMFI16MLD CB018GMFI16MLD Air Condition Link Circuit INDOOR UNIT Use 4 cable OUTDOOR UNIT Ta Pawer supply i Use 3 care cable 14 AWG CB024GMFI16MLD CB036GMFI16MLD CB048GMFI16MLD 202070590697 INDOOR UNIT 1 Use 3 core cable 16AWG To Power supply Use 3 core cable 12AWG Air Condition Link Circuit Indoor Units 21 Duct 22 Duct 23 MBit 26 S SOrVICO usi oves cpi EUN ER 27 4 Wiring DIAGN AMS uie 28 5 Static PIGSSUEG 30 6 Electric Characteristics 32 T cd 33 en 34 9 The Specification of 35 10 VGN WINO 36 Indoor Units Features 1 Features 1 1 Installation accessories Optional gt Front Board Canvas Air Passage Filter Panel for easy installation Panel 1 2 Easy Installation Two air inlet styles Bottom side or Rear s
23. The display value is between 13 129 degree If the temp is lower than 13 degree the digital display tube will show 13 If the temp is higher than 99 degree the digital display tube will Compressor discharge temp Tp show single digit and tens digit For example the digital display tube show 0 5 it means the compressor discharge temp is 105 degree the digital display tube show 1 6 it means the compressor discharge temp is 116 degree AD value of current display value is number AD value of voltage Indoor unit running mode code Off 0 Fan only 1 Cooling 2 Heating 3 Outdoor unit running mode code Off 0 Fan only 1 Cooling 2 Heating 3 Forced cooling 4 Actual data 4 EXV open angle If the value is higher than 99 the digital display tube will show single digit and tens digit Electrical Control System 115 02 03 04 05 07 01 2 En EUN E 10 11 12 13 4 1 Electrical Control Function For example the digital display tube show 2 0 means EXV open angle is 120x4 480p Frequency limit Bit7 caused by IGBT radiator Frequency limit caused by PFC display value is Frequency limit Bit5 number For example caused by T4 2 U Frequency limit the digital display tube fis Bit4 show 2A then Bit5 1 Frequency limit symbol caused by 2 Bit3 1 Bit1 1 Frequency limit e Bit3 It means frequency limit caused by T3
24. adjusting open angle according to the temperature of compressor discharge every 2 minutes 1 3 3 2 Outdoor fan running rules For YNO12GMFI16RUD YN018GMFI16RUD Low 17 EN 15 E 1 2 Ne Medium 10 x High Y For other models DC FAN SSLOW SPD DC FAN SLOW SPD ADD DC FAN MIN SPD ADD DC FAN MID SPD ADD DC FAN HI SPD ADD 108 Electrical Control System Electrical Control Function 1 3 3 3 Indoor fan running rules When the compressor is on the indoor fan can be set to high med low auto And the anti cold wind function has the priority Auto fan action For Console T1 Ts 4 Low 25 S 2 E Medium High Y For Ceiling floor Compact cassette Duct 12 24K T1 Ts 6 W 4 Low 2 5 Ne 2 Medium 15 1 For other units T1 Ts 4 4 Low 2 MEL Medium a 1 Electrical Control System 109 Electrical Control Function 1 3 3 4 Defrosting mode For 12K 18K Units Condition of defrosting 4 gt 0 Defrosting starts when either of the following D amp D DThe units run with T3 lt 3 C for 40 minutes and keeps lower than TCDI C for more than 3 minutes 2 units run with T3 lt 3 C for 80 minutes and keeps lower than 2 for more than 3 minutes 4 lt 0 If Mand are satisfied then program judges if T2 has decreas
25. and check whether Yes the system can run normally No Replace the electric control box Yes aa Trouble is solved p 138 Electrical Control System Troubleshooting 2 4 4 13 P4 malfunction When compressor discharge temperature is higher than 115 C the unit will stop and unit runs again when compressor discharge temperature is lower than 90 C P4 display Temperature protection of compressor discharge Check whether the Check whether the I discharge temp Yes Stop leaking and add refrigerant refrigerant is leak is more than 115 C No Check whether the wiring connection is right between compressor discharge temp No sensor and PCB according to wiring diagrams Yes Judge The discharge temp sensor is broken Y Correct the wiring connection gt Method Check whether the resistance of compressor discharge temp sensor is right refer to the Appendix 2 Yes outdoor board rouble is solved Je No v Replace the compressor discharge temp sensor Electrical Control System 139 Troubleshooting 2 4 4 14 P5 malfunction When condenser high temp is more than 65 the unit will stop and unit runs again when outdoor pipe temp less than 52
26. error still display No Y Replace the electric control Y box Electrical Control System 15 solved Troubleshooting 131 Troubleshooting 2 4 4 6 4 malfunction E4 display Judge 1 Outdoor condenser temp sensor T3 is malfunction Check whether wiring of the condenser temp sensor T3 is broken off Yes p gt Connect the wiring well No Y Check whether the resistance of condenser temp sensorT3 is Yes gt Replace condenser temp sensor T3 wrong refer to the Appendix 1 No Y Judge 2 Outdoor ambient temp sensor T4 is malfunction Check whether wiring of the outdoor ambient temperature Yes gt Connect the wiring well sensor T4 is broken off No Check whether the resistance of outdoor ambient temperature Yes sensor T4 is wrong refer to the Replace outdoor ambient temperature sensor T4 Appendix 1 No Y Replace outdoor main PCB 132 Electrical Control System Troubleshooting 2 4 4 7 E5 malfunction For single phase units E5 display protection Check of outdoor unit power supply whether the voltage between L 1 and N is about 95 Y Check the power supply
27. flow and horizontal airflow can be adjusted by remote controller the cooperation of the two airflow ways help to spread air comfortably throughout even a large room With these functions the whole room can be evenly air conditioned for both floor level and ceiling installation 38 Indoor Units Features 1 4 Optional drainage pipe connection gt Both right side and left side drainage holes are available to avoid the space limitation for drainage pipe installation Make you more convenient during installation 4 i Sm Standard Panel A Panel B Panel LED display Panel LED display D Panel 1 6 Convenience operating and easy maintenance gt Remote controller as standard wired controller for optional gt filter without screw fixed be took out easily 1 7 Easy installation save working time gt The pipes be connected from bottom back and right side makes the installation more easily gt wiring works be finished before installation 1 8 Outside water pump for optional when ceiling installation Indoor Units 39 Features 24K 36K 1 1 New design more modern and elegant appearance 1 2 Convenient installation The ceiling type can be easily installed into a corner of the ceiling even if the ceiling is very narrow is especially useful when installation of an air conditioner in the center of t
28. i power board then check whether the system can run normally Ps Check m the voltage of IPM board P and N is normal DC277 356V for 18K 24K 30KBtu h DC277 410V for 36K A8KBtu h b Replace bridge rectifiers and then check whether the system can run normally Yes M E Replace IPM board and then check whether the system can run normally Yes Y Replace outdoor main board 15 solved Electrical Control System 133 Troubleshooting 2 4 4 8 E6 malfunction Only for 36K 48K E6 display module protection Check whether the connecting line between main board and the module is connected tightly No Connect it tightly check normal or not Check whether the voltage range of P N on IPM module is normal DC277 Yes Replace the outdoor main board Yes 410V NO Check whether the inductance of PFC module is good If the inductance is No gt Replace the inductance good the resistance of the two ports is O Yes v y Replace the PFC module lt Trouble is solved 134 Electrical Control System Troubleshooting 2 4 4 9 P0 malfunction P0 display Temperature protection of compressor top
29. insulation except joint section flare the pipe piping layout and connection vacuum drying insulate the joint parts 9 1 2 Purpose of refrigerant pipe insulation During operation temperature of gas pipe and liquid pipe shall be over heating or over cooling extremely Therefore it is necessary to carry out insulation otherwise it shall debase the performance of unit and burn compressor gt Gas pipe temperature is very low during cooling If insulation is not enough it shall form dew and cause leakage Temperature of gas pipe is very high generally 50 100 C during heating Insulation work must be carried out to prevent hurt by carelessness touching 9 1 3 Insulation material selection for refrigerant pipe gt burning performance should over 120 C gt According to the local law to choose insulation materials gt thickness of insulation layer shall be above 10mm lf in hot or wet environment place the layer of insulation should be thicker accordingly 9 1 4 Installation highlights of insulation construction gt Gas pipe and liquid pipe shall be insulated separately if the gas pipe and liquid pipe were insulated together it will decrease the performance of air conditioner Liquid pipe Insulation meterial Gas pipe 2 X Lill On SS IER EP eee Th
30. l N Lock button hidden When you push the LOCK button current settings are locked in and wire controller does not accept any operation except that of the LOCK button Use the lock mode when you want to prevent setting from being changed accidentally or play fully Push the LOCK button again when you want to cancel the LOCK mode Name and function of LCD on the wire controller Operation mode indication op 3 Follow me function Boum TO COOL DRY MEAT Fan speed indication Timer ON OFF 7 Temperature display zone 1 Operation mode indication When press button the following mode can be selected in circle Auto Cool Dry Heat Fan only Auto Auto Cool Dry gt Heat gt Fan only gt Auto For cooling only model heat mode is skipped 2 Timer When adjust setting on time or only on time is set the is lighted When adjust setting off time or only off time is set the OFF is lighted If on and off timer are both set the ON and OFF are both lighted 3 Follow me function There is a temperature sensor inside the wire controller after setting temperature it will compare the two temperatures and the space of wire controller will be the same as setting temperature It is available under cooling heating auto mode 4 ON OFF indication When it is on the icon display otherwise it is extinguished 5 Fan speed indication The
31. malfunction between indoor and outdoor units 4 Fultwater malfunction Full water malfunction malfunction 6 IPM IPM module protection module protection 212 222 sensor outdoor EEPROM is malfunction mE fan is Outdoor fan is out of control of control mE Leakage Refrigerant Leakage Detection me pp PCB and up down panel PCB 11 Up down panel malfunction Up down panel malfunction panel malfunction 9 X o me D meme 4 x O light X off sx flash at2 5Hz at 0 5Hz Electrical Control System 119 Troubleshooting For 36K 48K Units NO Malfunction Defrosting Alarm Running lamp Timer Display digital lamp lamp lamp tube Communication malfunction between indoor 1 X X K and outdoor units 2 Open or short circuit of T1 temperature X X sensor 3 Open or short circuit of T2 temperature X X sensor X Open or short circuit of T2B temperature sensor X a wara a a X X 8 9 X ee 9 X X 8 o x X X 8 _ r x 9 m _ on X off gt lt flashat 5 2 flash at 0 5Hz 1 2 is only available for super slim cassette 2 3 Outdoor unit malfunction For YN012GMFI16RUD and YN018GMFI18RUD standby for normal O
32. time setting Each press will increase the time setting in 30 minutes increments up to 10 hours then at 1 hour increments up to 24 hours To cancel the Auto off time setting just press the button until the time setting is 0 0 14 TURBO Active Disable Turbo function Turbo function enables the unit to reach the preset temperature in the shortest time When press this button on heating mode applicable to the unit adopts only the PTC will be energized and bring fast heating operation 15 CLOCK Button Used to set the remote clock 16 LED Button Disable Active indoor screen Display 146 Electrical Control System Controller 3 2 Wired Remote Controller KJR 12B ON OFF BUTTON Cream Cara 8 ADJUST BUTTON ADJUST BUTTON v 12 SPEED BUTTON 43 BUTTON 1 Mode button When press this button the operation mode change following sequence Remark For the cooling only model the heating mode is skipped 2 Timer on button Press this button timer on function is active Then every press the time increase 0 5h after 10h 1h increasement after each press If cancel this Function just set it to 0 0 3 Timer off button Press this button timer off function is active Then every press the time increase 0 5h after 10h 1h increasement after each press If cancel this function just set it to 0 0 4 Follow me button When under cool heat and auto mode pr
33. 00 2800 3100 Air volume m h Metric to Imperial Conversion Every 10 Pa Pascal pressure is equivalent to 0 04 Inches of water column Every 100 m3 h air flow is equivalent to 69 Indoor Units 31 Electric Characteristics Electric Characteristics Votag Min max 20820 187v zv _ 60 20820 187v 253V RBO24GMFI16LMD 60 208 230V 187V 253V RB036GMFI16LMD 6 208 230V 187 253V RB048GMFI16LMD 60 208 230V 187V 253 32 Indoor Units Sound Level 6 Sound Level Concealed Duct Type Discharge Suction Duct Duct 1 4m 25 gt lt S ON X Noise level dB A Model Indoor Units 33 Accessories 7 Accessories Soundproof insulation sheath Tubing amp Fittings Binding tape Seal sponge Drainpipe Fittings for cooling amp heating Seal ring Wired controller amp Its Frame Wired controller Owner s manual Installation manual Magnetic ring twist the electric wires L and N around it to five circles EMS amp It s fitting 34 Indoor Units The Specification of Power 8 The Specification of Power Model RB012GMFI16MLD NK m Power Frequency and Voltage E NE 230V 60Hz oor Unit Per Wing Electric Signal indoor Unit Power Wirin
34. 000 temp sensor CAPILIARY TUBE HEAT EXCHANGE EVAPORATOR V T1 Room temp 4 Ambient temp sensor CONDENSER T2 Evaporator 0 wm x GAS SIDE lt PIEN v TN NIA 24 VALVE 82 J CN 7 OREN Mere Compressor 2 TS Discharge temp sensor ay d 4 COOLING HEATING YNO24GMFI16RUD YNO36GMFI16RUD YNO48GMFI16RUD INDOOR OUTDOOR Electronic LIQUID SIDE CAPILIARY TUBE expansion valve NK lt DK VV V UU V N L N lt gt ERN 2 WAY VALVE T3 Condenser temp sensor HEAT EXCHANGE EVAPORATOR y HEAT T2 Evaporator y T1 Room temp T4 Ambient y EXCHANGE temp sensor sensor temp sensor CONDENSER middle 2 T2B Evaporator temp sensor A gt outlet GAS SIDE lt v M 4 WNAY VALVE gt lt gt lt lt gt gt 5 dh de s 3 WAY VALVE Accumulator High pressure U u switch gt 5 Discharge Low pressure temp sensor switch mE d Compressor 009688 lt HEATING For YNO24GLFI16RUD there are no high pressure switch and low pressure switch 64 Outdoor Units 4
35. 000 5 25 25 lt lt xe X ne aes X lt lt Xo e 59 no 2 25 25 00 24 25 lt lt 4 install hanger 225 pipe 4 2 H2 H1 Test mouth amp Test cover 225 Drain connecting pipe for pump N Fresh air intake N Electric control box Air filter optional air inlet from bottom side Unit mm Note standard product without filter Size of refrigerant pipe W2 150 150 150 150 210 W1 95 95 95 95 155 H2 143 143 143 143 198 H1 120 120 120 120 175 Size of install hanger 350 350 350 500 500 740 960 960 1240 1240 return opening size 80 80 20 45 45 Air outlet opening size 119 595 200 119 815 200 179 815 260 179 1035 260 493 35 713 35 713 35 933 3
36. 0V IN 50Hz egulate it to correct then check whether the system can work normally No Yes No Check whether the connecting line between main No Connect it tightly board and the IPM module is check ok or not heck whether th connected tightl ower supply line is gy P and tightly check connected correctly not and tightly Yes No No Check whether the connecting line of the compressor is connected correctly or tightly Connect it well check ok or not Check whether the lines in E part box are connected tightly Connect it tightly check ok or not Yes eplace the IPM check whether the system can work normally Yes No Check whether the bridge rectifiers are normal Use the multimeter to measure the resistance between each two terminals check whether there is the condition that value of No resistance is 0 Yes No the main board Yes Y check whether the system Yes gt Replace the bridge rectifiers can work normally Check whether the connecting line of every reactor is normal If the line is broken the resistance of the two ports No is for 18K 24K 30KBtu h Check whether the PFC module broken for 36K 48KBtu h No eplace the compressor check whether the system Yes gt Y can work no
37. 14 15 46 47 18 19 20 21 22 F 48 50 52 54 56 58 60 62 64 66 68 70 72 23 24 25 26 27 28 29 30 31 32 33 34 35 F 74 76 78 80 82 84 86 88 90 92 94 96 98 144 Electrical Control System Controller 3 Controller 3 1Wireless Remote Controller 3 1 1 RG05F2 BGEU1 me at 5 4 4 2 LED d General Function for wireless remote controller wee RGOSFZ BGEUA Operation condition 239F 140 F 5 60 C Electrical Control System 145 Controller Buttons and functions 1 ON OFF Button Push this button to start the unit operation Push the button again to stop the unit operation 2 MODE Once pressing running mode will be selected in the following sequence NOTE No heating mode for cool only type unit 3 SLEEP Button Active Disable sleep function can maintain the most comfortable temperature and save energy This function is available on COOL HEAT or AUTO mode only NOTE While the unit is running under SLEEP mode it would be cancelled if MODE FAN SPEED or button is pressed 4 VERT SWING Used to stop or start horizontal louver movement and set the desired up down air flow direction The louver changes 6 degree in angle for each press If keep pushing more than 2 seconds the louver will swing up and down automatically 5 HORIZ SWING Used to stop or start vertical louver movement and set the desire
38. 16MLD YNO12GMFI16RUD Rotary GMCC UBO12GMFMGMLD FB012GMFI16MLD CB018GMFI16MLD YNO18GMFI16RUD Rotary GMCC RB018GMFI16MLD UB018GMFI16MLD YNO24GMFI16RUD Rotary GMCC RB024GMFI16MLD UB024GMFI16MLD YNO36GMFI16RUD Rotary MITSUBISHI RB036GMFI16MLD UB036GMFI16MLD CB048GMFI16MLD YNO48GMFI16RUD Rotary MITSUBISHI RBO48GMFI16MLD UB048GMFI16MLD 2 General Information External Appearance 2 External Appearance 2 1 Indoor Units 4 way cassette 12K 18K CB way cassette 24 48 Ceiling Floor 12 18 UB Ceiling Floor 24K 48K UB 2 2 Outdoor Units Single fan outdoor unit Double fan outdoor unit General Information 3 Features 3 Features 4 1 Low ambient kit is standard for outdoor units 4 2 Network control function is standard for the indoor units 4 3 Standard auto restart function and follow me function 4 4 Slim cassette with standard remote controller wire controller and for optional Med Duct and HESP duct with standard wired controller remote controller and CCM for optional 4 5 Standard anti cold air function 4 6 Standard auto defrosting function 4 7 Standard self diagnose function 4 8 Standard timer function and sleep mode function controlled by controller 4 General Information Indoor Units Part 2 Indoor Units 4 way Cassette 6 BIS MR ore 22 Ceiling amp Floor Type
39. 28 ON OFF ALARM 11203 IN ol Toordoor Remote Control To ccm n 1 lt inner Driver Motor 28 Alarm Control L Ceiling Floor 28 Comm OUTDOOR UNIT OUTDOOR UHIT OUTDOOR POWER SUPPLY FOR INDOOR POWER SUPPLY i ee Se GE 202070390591 Ceiling Floor VWSWIN IG MEWFAM 7 DISPLAY BOARD TO WIRE CN10 CN 10A COHTROLLER CN3 21 e BLACK MIDDLE PIPE TEMP ELA T ICNS CN WHITE ROOM TEMP ey EP A xL OUTER PIPE TEMP 71 To Outdoor Unit Indoor Units Wiring Diagrams TE 30 3 FUNCTION SETTING siv INDICATION 202070590737 Indoor Units 29 Static Pressure 5 Static Pressure 12 000Btu h Pa 90 80 T T a 70 3 5 2 60 9 50 5 D N N 9 40 CN 8 N Super high speed gt High speed Mid speed zi
40. 47256 see s ven n 15 m 045957 8 563 72 153008 0 44699 3 148481 113 043482 7 6 34 668365 74 042304 5 138703 15 041164 76 154105 0 40060 77 1 29078 117 0 38991 12548 0 37956 0 36954 4 soe 120 0 35982 1 33329 4 49392 11594 12 0 35042 2 35635 4 47653 10958 12 03413 200058 43 4500 108 123 0 33246 4 28369 44 84 10309 124 0 32390 5 278 45 4 85 125 0 31556 6 25494 46 40455 86 09665 126 0 30754 87 09362 127 0 29974 8 22552 48 3273476 8 090753 128 029216 9 21804 4 3592 89 0 87950 129 0 28482 oo 08548 180 0 27770 or 08268 15 0 27078 2 080132 132 0 26408 5 183 025757 oa 075973 025125 5 orno 185 024512 o 136 023916 7 15 0 23338 056815 138 0 2776 o 064862 139 0 2223 Electrical Control System 14 Troubleshooting Appendix 2 Unit C K Discharge temp sensor table 9 sus z a 9 ass 6 Wb ar s 3392 _ 6 4s a ss ms 3 e 5 _ vos 335 6 99 1 ama 333 395
41. 5 968 40 204 1094 288 65 65 65 65 80 Outline dimension A 700 210 635 570 920 210 635 570 920 270 635 570 1140 270 775 1710 1200 300 865 800 Capacity KBtu 12 18 24 36 48 Indoor Units 26 Service Space 3 Service Space Ensure enough space required for installation and maintenance 200mm or more 300mm or more 777747220722 2772 JL 600mmX600mm checking orifice All the indoor units reserve the hole to joint the fresh air pipe The hole size as following Duct joint new air duct Indoor Units 27 Wiring Diagrams 4 Wiring Diagrams RB012GMFI16MLD RB018GMFI16MLD WIRING DIAGRAMCINDOOR UNIT 202052290088 POWER SETTING 85 WoogL 26 3235 5 FAGTORY ACCORDING TO RELATED MODEL FOR TEMP COMPENSATION 71 CN23 CN33 INDOOR UNIT MAINBOARD nF TOWIRE CONTROLLER LoT pee cr i AMF HE DISPLAY BOARD TO WIRE COHTROLLER CN10 CN10A MIDDLE PIPE TEMP T1 BLACK KDDI jon OFF ALARM Remote I Quter Driver Motor POWER SETTING eeee Gode DRIVER MODLE m no CHN13 2 CN33 DC MOTOR I ET EEE CN
42. E limit caused by T4 T3 and Bit2 current caused by Tp Frequency limit Bit1 caused by current Bito Frequency limit caused by voltage O The display value is between 30 120 degree If the temp is lower than 30 degree the digital display tube will show 30 If the temp is higher than 99 degree the digital display tube will IGBT radiator temp Reserved show single digit and tens digit For example the digital display tube show 0 5 it means the IGBT radiator temp is 105 degree the digital display tube show 1 6 it means the IGBT radiator temp is 116 degree Indoor unit number The indoor unit can communicate with outdoor unit well Condenser pipe temp of 1 indoor unit If the temp is lower than 0 degree the digital display tube will Condenser pipe temp of 2 indoor unit show 0 If the temp is higher than 70 degree the digital display tube will show 70 If the capacity demand is O the Condenser pipe temp of 3 indoor unit digital display tube will show O If the indoor unit is not connected the digital display tube will show If capacity demand code is higher than 99 the digital display tube will show single digit and tens digit For example the digital display tube show 5 0 it means the capacity demand is 15 the digital display tube show 60 it means the capacity demand is 6 0 If the indoor unit is not connected the digital display
43. NSOR 4 H m m cw x 1OPTIONAL pee NOTE Four way I is used in the l Cooling amp Heating IL 2 _ aunitonly I I T CONDENSER TEMPERATURE SENSOR OUTDOOR TEMPERATURE SENSOR HEATSINK TEMPERATURE SENSOR 5 HEAT VN N A heeel ie T4 T3 ae zE x zm 70 lt IN 7 MOTIAA MOV ld peaq WA E 2 P E Pa DEP TO INDOOR 5 3 CORE SHIELDED WIRE POWER SUPPLY NOTE TOINDOORUNIT FOR NORTH AMERICAN LJ LUNIT ONLY 67 Electric Characteristics 5 Electric Characteristics Power Outdoor Unit Model Supply YN012GMFI16RUD 6 208 230V 187V 253V seuren 39M _ 3 MN Note MFA Max Fuse Amps 68 Outdoor Units Operation Limits 6 Operation Limits Cooling operation Heating operation Drying operation E IF C gt 52 0 C 30 lid C 32 C 63 90 32 86F 63 90F 0 50 15 C 24 C 9462028 Outdoor temperature 3971295 5775 39 122 1 If the air conditioner is used beyond the above conditions certain safety protection features may
44. RATURE SENSOR Lee 58608 SU 7 N FAN 4 ELEC ROME CH EXPAIS Outdoor Units YN036GMFI16RUD 202075590585 Pee YELLOW CH3 Ferrite bead G D YELLOW ITA peaq eiue Ob Outdoor Units J I Applicable to the units adopting motor only I 3 TH MAIN BOARD Wiring Diagrams FAN CRANKCASE HEATING et VN OO SW O INDOOR COMM BUS 5950 9 NS 0133 5221 XS M P HIGH PRESSURE SWITCH N MAIN BOARD NOTE Four way valve PFC INDUCTOR LOW PRESSURE SWITCH Cooling amp Healing unit only 4 WAY VALVE CONDENSER TEMPERATURE SENSOR T3 TA OUTDOOR AMBIENT RY1 TEMPERATURE SENSOR NOTE PLEASE USE 3 CORE SHIELDED WIRE EXHAUST BLACK aos TEMPERATURE SENSOR CN2 a FILTER 3 EH 011 9 POWER FILTER CURRENT DETECTOR POWER RECTIFIER FOR NORTH AMERICAN UNIT ONLY RED WIRING DIAGRAM OUTDOOR UNIT mmm ee 202075890647 Applicable to the units radopting motor only cope NAME ELECTRIC EXPANSIVE VALVE FM1 FM2 OUTDOOR DC FAN FAN1 FAN2 OUTDOOR AC FAN CRANKCASE HEATING HIGH PRESSURE SWITCH L PFC INDUCTOR L PRO LOW PRESSURE SWITCH K AC CONTACTOR 4 WAY VALVE P EXHAUST TEMPERATURE SE
45. U HAS BEEN SET BEFORE LEAVING THE FACTORY ANYONE CAN T MODIFY IT EXCEPT THE MAINTENANCE PERSON CONNECTION Ras m oo OUTDOOR UNIT NOTICE 2 1 NOTE PLEASEUSE THE JUMPER J1 IF YOU CONNECT 3 CORE SHIELDED WIRE P NOTICE 4 TYPE 53 1 t AND BIGGER ADOP NOTICE 3 AND BIGGER ADOPT THIS PLEASE CUT OFF THE YOU WANT HAVE I THE TERMAL FUNCTION 55 Electric Characteristics 5 Electric Characteristics Hz FB012GMFI16MLD 60 56 Voltage Min 208 230V 187V 253V Indoor Units Sound Levels 6 Sound Levels Microphone 1m n Z z P t y y Noise level dB A FBOTZGMFHGMLD Indoor Units 57 Accessories 7 Accessories Remote controller amp Its Frame Installation manual 1 Owner s manual po 8 The Specification of Power Frequency 208 230V 60Hz pm Circuit Breaker Fuse A 20 16 Indoor Unit Power Wiring mm Ground Wiring 2 0 AWG14 Outdoor Unit Power Indoor Outdoor Connecting 3x2 0 AWG14 Strong Electric Signal 4 1 5 AWG16 Weak Electric Signal 58 Indoor U
46. Units Wiring Diagrams NOTE wiring diagram 1s for explanation purpose only The actual shape of the components may be different WIRING DIAGRAM INDOOR UNIT PART OUTDOOR UNIT Factory Scttlnag ENGE SW1 SWS p id NE SW6 SW3 ENCI JEIEIEICIE LL i WIRE d lt T SWING BOARD _______ BUS COMM BUS PLEASE USE SHIELDED WIRE 17 Sound Levels Electric Characteristics Model Indoor Unit ode CB012GMFI16LMD 60 208 230 187 253 zoezov 187v 253v co 187v 253v 7 eo 187v 253v 6 Sound Levels 1 4m A 3 Microphone Noise level dB A Model SS 18 Indoor Units Accessories 7 Accessories 1 Expansible hook Installation fittings 2 Installation hook 3 Installation paper board 4 Out let pipe sheath 5 Out let pipe clas 6 Tightening band 7 Drain joint 8 Remote controller Remote controller amp Its holder 9 Remote controller holder Others 13 Installation manual Indoor Units 19 The Specification of Power 8 The Specification of Power Model CB012GMFI16MLD
47. Wiring Diagrams YNO12GMFI16RUD YN018GMFI16RUD 20203 880 05 OPTIONAL i 5 EXPANSIVE VALVE COMPRESSOR N OPTIONAL HEATER OUTDOOR WIRING DIAGRAM Outdoor Units AR RETURN SENSOR OPTIONAL AMBIENT SENSOR 22 WHITE D BLACK BROWN CH 26 CH 24 Che OO CN B YELLOW YELLOW Re ACTOR REO25 ORANGE 3 ORANGE 1 YELLOW HEAT EXCHANGER SENSOR Wiring Diagrams DISCHARGE SENSOR o gt TEMP SENSOR OPTIONAL je _ re rere L1 L2 8 Li L alese POWER SUPPLY i OPTIONAL 45 OUTDOOR 65 Wiring Diagrams YN024GMFI16RUD 202075390587 IPM BOARD __ HGH PRESSIRE PROTECT GT IHAT LOR H r Corpos 1 RYZ MATN BOARD uU RJ vis vii P CH COMPRESSOR 66 auia 6H38 GH3 7 LY M Se gt E a 4 03 HEAT HEET CNI ia che F C It WO TE FO R NORTH AM UNTE HLY FLEASE USE SC ORE SHIELDED WIRE OUTDOOR AMBIENT 1 14 TEMPERATLRE SENSOR 1m CONDENSER TEIPE
48. allation and highlights of insulation construction gt single pipe should be insulated before connecting to another pipe the joint part should be insulated after the drainage test There should be no insulation gap between the insulation material 10 Engineering of electrical wiring 10 1 Highlights of electrical wiring installation gt Allfield wiring construction should be finished by qualified electrician Air conditioning equipment should be grounded according to the local electrical regulations Current leakage protection switch should be installed gt Donotconnect the power wire to the terminal of signal wire When power wire is parallel with signal wire put wires to their own wire tube and remain at least 300mm gap According to table in indoor part named the specification of the power to choose the wiring make sure the selected wiring not small than the date showing in the table Select different colors for different wire according to relevant regulations gt Donotuse metal wire tube at the place with acid or alkali corrosion adopt plastic wire tube to replace it There must be not wire connect joint in the wire tube If joint is a must set a connection box at the place gt The wiring with different voltage should not be in one wire tube Ensure that the color of the wires of outdoor and the terminal No are same as those of indoor unit respectively Installation 101 op
49. ation 3 6 1 Service space for indoor unit Z RRI P 21000mm 3 6 2 Install the main body Fix the hook with tapping screw onto wall Hook Tapping screw Washer indoor unit the hook The bottom of body can touch with floor or suspended but the body must install vertically 7 LH H H Ha LZ 90 Installation Indoor unit installation 4 Outdoor unit installation Side Discharge Unit 4 1 Service space for outdoor unit Wall or obstacle Zl l Ad Air uui More than 30cm 11 81in ore than 30cm Dn 11 81 g i Je Maintain channel 60 S Air inlet k 23 62in PPS Ia lt gt than 200cm 78 74in gt 7777777 77 7777 4 2 Bolt pitch 4 3 Install the Unit Since the gravity center of the unit is not at its physical center so please be careful when lifting it with sling Never hold the inlet of the outdoor unit to prevent it from deforming Do not touch the fan with hands or other objects Do not lean it more than 45 and do not lay it sidelong Make concrete foundation according to the specifications of the outdoor units Fasten the feet of this unit with bolts firmly to prevent it from collapsing in case of earthquake or strong wind Fi
50. come into operation and cause the unit to operate abnormally 2 The room relative humidity should be less than 80 If the air conditioner operates beyond this figure the surface of the air conditioner may attract condensation Please set the vertical air flow louver to its maximum angle vertically to the floor and set HIGH fan mode 3 The optimum performance will be achieved during this operating temperature zone Outdoor Units 69 Sound Levels 7 Sound Levels Outdoor Unit Microphone H 1 0 Note 0 5 x height of outdoor unit 70 Outdoor Units Installation Installation Part 4 Installation 1 Installation PFoCed r u u uu uu L uuu uu 72 2 0Ccation SCIOCHON uu u uuu n u pasu 73 3 Indoor unit installation 74 4 Outdoor unit installation Side Discharge Unit 91 5 Refrigerant pipe installation 92 6 Drainage pipe installation 94 7 Vacuum Drying Leakage Checking 98 8 Additional refrigerant charge 99 9 Engineering of insulation 100 10 Engineering of electrical wiring
51. d left right air flow direction The louver changes 6 degree in angle for each press If keep pushing more than 2 seconds the vertical louver swing feature is activated 6 FEEL SELF CLEAN Function Press this button less than 2 seconds will initiate FEEL function And if keep pressing this button more than 2 seconds the SELF CLEAN function is initiated 7 RESET Button When the RESET button is pushed all of the current settings are cancelled and the control will return to the initial settings 8 LOCK Button Push this button to lock in all the current settings To release settings push again 9 FAN SPEED Button Fan speed will be selected in following sequence once pressing this button AUTO LOW MED HIGH 10 UP Button Push this button to increase setting temperature or to increase Hour during Clock time setting 11 DOWN Button Push this button to decrease setting temperature or to decrease Hour during Clock time setting NOTE Press and hold UP and DOWN buttons together for 3 seconds will alternate the temperature display between the OC amp OF scale 12 TIME ON Press this button to activate the Auto on time setting Each press will increase the time setting in 30 minutes increments up to 10 hours then at 1 hour increments up to 24 hours To cancel the Auto on time setting just press the button until the time setting is 0 0 13 TIME OFF Press this button to activate the Auto off
52. de shall damage compressor Eliminating the non condensable gas air in system to prevent the components oxidizing pressure fluctuation and bad heat exchange during the operation of system 7 2 Selection of vacuum pump gt The ultimate vacuum degree of vacuum pump shall be 56mmHg or above gt Precision of vacuum pump shall reach 0 02mmHg or above 7 3 Operation procedure for vacuum drying Due to different construction environment two kinds of vacuum drying ways could be chosen namely ordinary vacuum drying and special vacuum drying 7 3 1 Ordinary vacuum drying 1 When conduct first vacuum drying connect pressure gauge to the infusing mouth of gas pipe and liquid pipe and keep vacuum pump running for 1hour vacuum degree of vacuum pump shall be reached 55mmHg 2 vacuum degree of vacuum pump could not reach 55mmHg after 1 hour of drying it indicates that there is moisture or leakage in pipeline system and need to go on with drying for half an hour 3 vacuum degree of vacuum pump still could not reach 55mmdHg after 1 5 hours of drying check whether there is leakage source 4 Leakage test After the vacuum degree reaches 55mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture or leak source 7 3 2 Special vacuum drying The special vacuum drying method shall be adopted when 1 Findin
53. e insulation material at the joint pipe shall 5 10cm longer than the gap of the insulation material The insulation material at the joint pipe shall be inserted into the gap of the insulation material The insulation material at the joint pipe shall be banded to the gap pipe and liquid pipe tightly The linking part should be use glue to paste together Be sure not bind the insulation material over tight it may extrude out the air in the material to cause bad insulation and cause easy aging of the material V v V 9 2 Insulation of drainage pipe 9 2 1 Operational procedure of refrigerant pipe insulation Select the suitable pipe insulation except joint section piping layout and connection drainage test insulate the joint parts 9 2 2 Purpose of drainage pipe insulation The temperature of condensate drainage water is very low If insulation is not enough it shall form dew and cause leakage to damage the house decoration 100 Installation Engineering of electrical wiring 9 2 3 Insulation material selection for drainage pipe gt Theinsulation material should be flame retardant material the flame retardancy of the material should be selected according to the local law gt Thickness of insulation layer is usually above 10mm Use specific glue to paste the seam of insulation material and then bind with adhesive tape The width of tape shall not be less than 5cm Make sure it is firm and avoid dew 9 2 4 Inst
54. ed more than 5 C When T2 has decreased more than 5 C enter the defrosting mode No matter what value of the T4 is and whether the T2 drops more than 5 C or not if the machine runs with T3 lt 3 for more than 120 minutes and keeps lower than 01 4 for more than minutes the machine will enter defrosting mode Condition of ending defrosting If any one of the following items is satisfied the defrosting will finish and the machine will turn to normal heating mode T3 rises to be higher than TCDE1 T3 keeps to be higher than 2 for 80 seconds he machine has run for 10 minutes in defrosting mode e Defrosting action For 12K units no longer than 10min on 1034 F8 Compressor IF2 4 way of Outdoor fan Indoor fan x off breeze 10s 110 Electrical Control System Electrical Control Function For 18K units gt longer than 10min gt 108 F8 Compressor iF2 on 4 way valve on Outdoor fan Indoor fan off EE breeze 10s For 24K amp 48K units Condition of defrosting 14 4 Timel Time2 Time conditions time1 Time conditions Meet the following conditions 1 Running in heating mode 2 T423 C 3 Compressor is on 4 T3sTempEnterDefrost_ ADD Cleared conditions Meet any one of the following conditions 1 Compressor is off 2 32 TempEnterDefrost ADD Time2 Time condit
55. en the body and the four sides of ceiling are even The body s lower part should sink into the ceiling for 10 12 mm In general L 1 half of the screw length of the installation hook Ceiling Locate the air conditioner firmly by wrenching the nuts after having adjusted the body s position well 3 2 5 Install the panel Remove the grille 78 Installation Indoor unit installation Grid switch Remove the 4 corner covers Hang the panel to the hooks on the mainbody If the panel is with auto lift grille please watch the ropes the grille DO NOT make the ropes enwinded or blocked Hook panel lt ne qu S lt A Water receiver C LS Cross screwdriver Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water Installation 79 Indoor unit installation Loosen upper nut T Gap not allowed Leakage Ceiling Pollution s Water condensation Hang the grill to panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Install the 4 corner covers back Installation cover s rope Tap Screw Slide the four sliders in the corresponding channel when installing the cover Note The panel shall be installed after the wiring connected 80 Installation Indoor unit insta
56. eration 11 Test operation 11 1 The test operation must be carried out after the entire installation has been completed 11 2 Please confirm the following points before the test operation The indoor unit and outdoor unit are installed properly Tubing and wiring are correctly completed The refrigerant pipe system is leakage checked The drainage is unimpeded The ground wiring is connected correctly The length of the tubing and the added stow capacity of the refrigerant have been recorded The power voltage fits the rated voltage of the air conditioner There is no obstacle at the outlet and inlet of the outdoor and indoor units The gas side and liquid side stop values are both opened The air conditioner is pre heated by turning on the power 11 3 Test operation Set the air conditioner under the mode of COOLING by remote controller and check the following points Indoor unit Whether the switch on the remote controller works well Whether the buttons on the remote controller works well Whether the air flow louver moves normally Whether the room temperature is adjusted well Whether the indicator lights normally Whether the temporary buttons works well Whether the drainage is normal Whether there is vibration or abnormal noise during operation V V YV V V Y V V V utdoor unit Whether there is vibration or abnormal noise during operation Whether the generated wind noise or condensed of by the air condit
57. ess this button follow me function is active Press again this function is ineffective 5 Electrical heater button If press this button in heat mode electrical heater function become ineffective 6 Reset button hidden Use a 1mm stick to press in the little hole then the current setting is canceled The wire controllers enter into original state 7 ON OFF button When in off state press this button the indicator is on the wire controller enter into on state and send setting information to indoor PCB When in on state press this button the indicator is off and send instruction If timer on or timer off has been set it cancel this setting then send instruction to stop the machine Electrical Control System 147 Controller 8 9 10 11 12 13 Adjust button Set indoor temperature up If press and hold on it will increase at 1degree 0 5 second Adjust button Set indoor temperature down if press and hold on it will decrease at 1degree per 0 5 Second Swing button First press start swing function second press stop swing Match to some model with swing function Economy operation button press this button the indoor unit operates in economy mode press again exit this mode it may be ineffective for some models Fan speed button press this button consecutively the fan speed will circle as follow N Fw m AM d k ub M lt N 9 Y B
58. follow When cooling the setting temperature rises 1 C be lower than 30 C every one hour 2 hours later the setting temperature stops rising and the indoor fan is fixed at auto speed When heating the setting temperature decreases 1 C be higher than 17 every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed at auto speed Anti cold wind function has the priority 1 3 7 3 Operation time in sleep mode is 7 hours After 7 hours the AC quits this mode and turns off 1 3 7 4 Shutdown change the mode or speed setting will cancel the economic operation 1 3 7 5 When user uses timer off function in sleep mode or sleep function in timer off mode if the timing is less than 7 hours sleep function will be cancelled when reaching the setting time If the timing is more than 7 hours the machine will not stop until reaches the setting time in sleep mode For other units 1 3 7 1 The sleep function is available in cooling heating or auto mode 1 3 7 2 Operation process in sleep mode is as follow When cooling the setting temperature rises 1 C be lower than 30 every one hour 2 hours later the setting temperature stops rising and the indoor fan is fixed at low speed When heating the setting temperature decreases 1 C be higher than 17 every one hour 2 hours later the setting temperature stops rising and indoor fan is fixed at low speed Anti cold wind function has the priority 1 3 7 3 Operat
59. g mm Indoor Units 35 Field Wiring 9 Field Wiring RB012GMFI16MLD RB018GMFI16MLD Air Condition Link Circuit INDOOR UNIT Use 4 cable 16AWG OUTDOOR UNIT Power supply Use 3 care cable TAAWG RB024GMFI16MLD RBO36GMFI16MLD RBO48GMFI16MLD 202070590697 INDOOR UNIT 1 Use 3 core cable 16AWG To Power supply Use 3 core cable 12AWG Air Condition Link Circuit 36 Indoor Units Indoor Units Ceiling amp Floor Type Ceiling amp Floor Type MICI S 38 elucet 40 SPACO NS USE 43 Wiring Diagrams 44 Electric Characteristics 46 ESI Pe 46 OMICS in nasendedeee 47 The Specification of Power 47 ARICIO WIIN O 48 37 Features 1 Features 12K 18K 1 4 Two way installation gt The rounded design of the ceiling and floor type air conditioner allows either ceiling or floor level installation Ceiling installation saves room space while floor installation helps prevent the loss of warm air 1 2 Brief design Brief design that is suitable for any interior will not only give you cooling and heating performance but also upgrade your lifestyle 1 3 3D airflow gt Vertical air
60. g using Screwdriver or other tools to open the back cover from the inside Back cover of Wire Controller Front cover of r Wire Controller LCD display Wood Mounting Turning cover Screw M4X20 For the Terminal Group is standing After the back cover is out of the back cover so it 15 fastened to fix up the necessary to obligate holes and front cover first lock it is forbiden to fasten difectly to the one of the two then the walli another NOTE The connecting wire should be a little longer as to take away the switch board easily for maintenance The connecting wire should be a little longer as to take away the controller easily for maintenance Electrical Control System 149
61. g moisture during flushing refrigerant pipe 2 Conducting construction on rainy day because rain water might penetrated into pipeline 3 Construction period is long and rain water might penetrated into pipeline 4 Rain water might penetrate into pipeline during construction Procedures of special vacuum drying are as follows 1 Vacuum drying for 1 hour 2 Vacuum damage filling nitrogen to reach 0 5Kgf cm2 Because nitrogen is dry gas vacuum damage could achieve the effect of vacuum drying but this method could not achieve drying thoroughly when there is too much moisture Therefore special attention shall be drawn to prevent the entering of water and the formation of condensate water 3 Vacuum drying again for half an hour If the pressure reaches 755 start to pressure leakage test If it cannot reach the value repeat vacuum damage and vacuum drying again for 1 hour 4 Leakage test After the vacuum degree reaches 55mmHg stop vacuum drying and keep the pressure for 1 hour If the indicator of vacuum gauge does not go up it is qualified If going up it indicates that there is moisture or leak source 98 Installation Additional refrigerant charge 8 Additional refrigerant charge After the vacuum drying process is carried out the additional refrigerant charge process needs to be performed The outdoor unit is factory charged with refrigerant The additional refrigerant charge volume is decided by the diamete
62. h open and will open to target angle after compressor starts 2 EXV will close with 160P when compressor stops Then EXV will be standby with 300P open and will open to target angle after compressor starts 3 The initial open angle of EXV is 300P The unit starts to work for 3 minutes then adjusting open angle according to the temperature of compressor discharge every 2 minutes Electrical Control System 105 Electrical Control Function 1 3 2 2 Outdoor fan running rules For YNO12GMFI16RUD YN018GMFI16RUD High T N 26 o 22 Medium oa Low Y For other models DC FAN HI SPD ADD DC FAN MID SPD ADD DC FAN MIN SPD ADD DC FAN SLOW SPD ADD DC FAN SSLOW SPD ADD 1 3 2 3 Indoor fan running rules In cooling mode indoor fan runs all the time and the speed can be selected as high medium low and auto The auto fan For Console 3 5 High 3 Medium Y Low 106 Electrical Control System Electrical Control Function For Ceiling floor 12 24K Cassette 12 24K Concealed Ducted 12 24K Tiels 4 4 High 3 4 Medium 1 5 7 Y Low For other units E 4 5 0 High 4 0 Medium 3 0 2 0 Y Low 1 3 2 4 Evaporator low temperature T2 protection For 12K 24K units T2 0 the compressor will stop and restart when T2257 0 C S T2 lt 4 C the comp
63. h other pipelines and ensure slope is straight 6 2 2 Drainage pipe selection gt drainage pipe diameter shall not small than the drain hose of indoor unit According to the water flowrate and drainage pipe slope to choose the suitable pipe the water flowrate is decided by the capacity of indoor unit Relationship between water flowrate and capacity of indoor unit Capacity x1000Btu Water flowrate l h 24 According to the above table to calculate the total water flowrate for the confluence pipe selection For horizontal drainage pipe The following table is for reference Reference value of Allowable maximum water flowrate I h PVC pipe inner diameter of pipe Remark emm T 1 50 1 100 branch pipe Attention PUDE Or E pipe to be E main pipe For Vertical drainage pipe The following table is for reference PVC pipe Allowable maximum water flowrate Remark diameter of pe MEE 25 1 25 1 For branch pipe pvoaa is st n Peg 4 M9 Attention Adopt PVC4O or bigger pipe to be the main pipe 94 Installation pipe installation 6 2 3 Individual design of drainage pipe system gt drainage pipe of air conditioner shall be installed separately with other sewage pipe rainwater pipe and drainage pipe in building gt drainage pipe of the indoor unit with water pump should be apart from the one without water pu
64. he ceiling is impossible due to a structure such as one lighting 1 3 Two direction auto swing vertical amp horizontal and wide angle air flow Air flow directional control minimizes the air resistance and produces wilder air flow to vertical direction The range of horizontal air discharge is widened which secures wider air flow distribution to provide more comfortable air circulation no matter where the unit is set up 1 4 Three level fan speed more humanism design meets different air supply requirement 1 5 New foam drain pan with plastic spraying inner surface Foam case Plastic spraying surface 1 6 Easy operation 1 7 Remote control and optional wired control method 40 Indoor Units 2 Dimensions 12K 18K Dimensions V Ed 100 Refrigerant pipe hole optional y A C Ceiling Ins
65. he panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively Note The panel shall be installed after the wiring connected T6 Installation Indoor unit installation 3 2 Super slim cassette indoor unit installation 3 2 1 Service space for indoor unit y Connecting point of Connecting point of drain pipe refrigerant pipe Liquid side C Hl Connecting point of refrigerant pipe m www gt 1000mm Ceiling 1 Panel e 880mm ceiling hole A Ground 3 2 2 Bolt pitch Tubing side Drain side E eS LE nj 680 Hook ocation 950 Panel 780 Hook location Unit mm 840 Body 950 3 2 3 Install the pendant Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 212 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings Installation 77 Indoor unit installation 3 2 4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it Adjust the hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 Adjust the position to ensure the gaps betwe
66. hen the unit is running Press the switch N times it will display the content corresponding to No N After getting into the check function it will display No N with 1 5s meanwhile the low bit decimal of digit display flashing indicated to get into the check function display After 1 5s it will display the content corresponding to No N the digital display tube will display the follow procedure when push SW1 each time N Display Remark Normal display Display running frequency running state or malfunction code Norm code HP 10 If capacity demand code is higher than 99 the digital display tube will show single digit and tens digit For example the digital display tube show 5 0 means the capacity demand is 15 the digital display tube show 60 it means the capacity demand is 6 0 The frequency after the capacity requirement transfer Indoor unit capacity demand code The frequency after the frequency limit The frequency of sending to 341 TES If the temp is lower than O degree the digital display tube will nee show O If the temp is higher than 70 degree the digital heating T2B display tube will show 70 Condenser pipe temp T3 If the temp is lower than 9 degree the digital display tube will show 9 If the temp is higher than 70 degree the digital Outdoor ambient temp T4 display tube will show 70 If the indoor unit is connected the digital display tube will show
67. hould not be strong voltage vibration 2 2 Outdoor unit location selection y V V Y V V V V Y V V The place shall easily support the outdoor 5 weight Locate the outdoor unit as close to indoor unit as possible The piping length and height drop cannot exceed the allowable value The place where the noise vibration and outlet air do not disturb the neighbors There is enough room for installation and maintenance The air outlet and the air inlet are not impeded and not face the strong wind It is easy to install the connecting pipes and cables There is no danger of fire due to leakage of inflammable gas It should be a dry and well ventilation place The support should be flat and horizontal Do not install the outdoor unit in a dirty or severely polluted place so as to avoid blockage of the heat exchanger in the outdoor unit If is built over the unit to prevent direct sunlight rain exposure direct strong wend snow and other scraps accumulation make sure that heat radiation from the condenser is not restricted y 2 7 d z 2 P4 4 a Z 2 lt lt 2 SS US SY SS lt J lt More 30 11 81
68. i freezing protection condenser high temperature protection and outdoor unit frequency limit are active and the same as that in cooling mode 1 3 5 4 The outdoor fan operates the same as in cooling mode For other units Drying mode works the same as cooling mode in low speed All protections are active and the same as that in cooling mode 1 3 6 Timer function 1 3 6 1 Timing range is 24 hours 1 3 6 2 Timer on The machine will turn on automatically when reaching the setting time 1 3 6 3 Timer off The machine will turn off automatically when reaching the setting time Electrical Control System 113 Electrical Control Function 1 3 6 4 Timer on off The machine will turn on automatically when reaching the setting on time and then turn off automatically when reaching the setting off time 1 3 6 5 Timer off on The machine will turn off automatically when reaching the setting off time and then turn on automatically when reaching the setting on time 1 3 6 6 The timer function will not change the AC current operation mode Suppose AC is off now it will not start up firstly after setting the timer function And when reaching the setting time the timer LED will be off and the AC running mode has not been changed 1 3 6 7 The setting time is relative time 1 3 7 Economy function For console 1 3 7 1 The sleep function is available in cooling heating or auto mode 1 3 7 2 Operation process in sleep mode is as
69. ide Airinlet from rear is standard for all capacity air inlet from bottom is optional gt size of air inlet frame from rear and bottom is same it s very easy to move the cover from bottom to rear side or from rear to the bottom in order to matching the installation condition Air intake from rear Standard Air intake from bottom Optional 1 3 Fresh air intake function gt Install one duct from the reserved fresh air intake to outdoor Continually inhale the fresh air to improve the quality of the indoor air fulfills air quality more healthy and comfortable 1 4 Easy maintenance Clean the filter Optional standard product without filter It is easy to draw out the filter from the indoor unit for cleaning even the filter is installed in rear side or bottom side Indoor Units 23 Features gt Replace the motor or centrifugal fan Remove the ventilated panel firstly Remove a half of blower housing and take out the motor with centrifugal fan Directly remove two bolts and then replace the motor or centrifugal fan easily la s Blower Housin 9 Ventilated Panel 1 5 Reserved remote on off and central control ports Reserved remote on off ports and central control ports can connect the cable of an on off controller or a central controller to realize remote on off control function or group control function Remote on off ports gt Central control ports 1 6 B
70. insulated pipe if necessary 92 Installation Refrigerant pipe installation 5 2 10 Setthe wall conduit 5 2 11 Set the supporter for the pipe 5 2 12 Locate the pipe and fix it by supporter gt Forhorizontal refrigerant pipe the distance between supporters should not be exceed 1m Forvertical refrigerant pipe the distance between supporters should not be exceed 1 5m 5 2 13 Connect the pipe to indoor unit and outdoor unit by using two spanners Be sure to use two spanners and proper torque to fasten the nut too large torque will damage the bellmouthing and too small torque may cause leakage Refer the following table for different pipe connection Pipe Diameter kgf cm N cm 1 4 6 35 144 176 1420 1720 3 8 9 52 3270 3990 1 2 12 7 4950 6030 5 8 15 9 6180 7540 3 4 19 9270 11860 Installation 93 pipe installation 6 Drainage pipe installation Install the drainage pipe as shown below and take measures against condensation Improperly installation could lead to leakage and eventually wet furniture and belongings 6 1 Installation principle gt Ensure at least 1 100 slope of the drainage pipe gt Adopt suitable pipe diameter Adopt nearby condensate water discharge 6 2 Key points of drainage water pipe installation 6 2 1 Considering the pipeline route and elevation Before installing condensate water pipeline determine its route and elevation to avoid intersection wit
71. ion time in sleep mode is 7 hours After 7 hours the AC quits this mode but doesn t turns off 1 3 7 4 Timer setting is available 1 3 8 Auto Restart function The indoor unit is equipped with auto restart function which is carried out through an auto restart module In case of a sudden power failure the module memorizes the setting conditions before the power failure The unit will resume the previous operation setting not including Swing function automatically after 3 minutes when power returns 114 Electrical Control System Electrical Control Function 1 3 9 Drain pump control For cassette Adopt the water level switch to control the action of drain pump Main action under different condition every 5 seconds the system will check the water level one time 1 When the A C operates with cooling including auto cooling dehumidifying and forced cooling mode the pump will start running immediately and continuously till stop cooling 2 Once the water level increase and up to the control point LED will alarm and the drain pump open and continue checking the water level If the water level fall down and LED disalarmed drain pump delay close 1 minute and operate with the last mode Otherwise the entire system stop operating including the pump and LED remain alarming after 3 minutes 1 3 10 Point Check Function Excluding 12K amp 18K There is a check switch in outdoor PCB Press the switch SW1 to check the states of unit w
72. ioner have influenced your neighborhood Whether any of the refrigerant is leaked V VO V V V V V V V V 102 Installation Electrical Control System Electrical Control System Part 5 Electrical Control System 1 Electrical Control Function 104 2 Troubleshooting 117 3 Controller 12 22 145 103 Electrical Control Function 1 Electrical Control Function Definition T1 Indoor room temperature T2 Coil temperature of indoor heat exchanger middle T2B Coil temperature of indoor heat exchanger outlet T3 Coil temperature of condenser T4 Outdoor ambient temperature T5 Compressor discharge temperature 1 2 Main Protection 1 2 1 Time delay at restart for compressor 1 2 2 Temperature protection of compressor top The unit will stop working when the compressor top temp protector cut off and will restart after the compressor top temp protector restart 1 2 3 Temperature protection of compressor discharge When the compressor discharge temp is getting higher the running frequency will be limited as below rules For 12K 18K units amp MUE 24HRFN1 MW MTB 24HRFN1 MW MCD 24HRFN1 MW Compressor discharge temp T5 gt 115 C for 5s compressor stops 108 T5 115 C decrease the frequency to the lower level every minutes till F1 90 lt 75 lt 105 C keep running at the current frequenc
73. ions Meet the following conditions 1 Running in heating mode 2 T4 lt 3 3 Compressor is on 4 T3sTempEnterDefrost ADD Cleared conditions Meet any one of the following conditions 1 Compressor is off and 3 gt TempEnterDefrost ADD 2 last for 20 minutes 2 Running in cooling mode 3 Compressor is off for 1 hour 111 Electrical Control System Electrical Control Function Condition of entry defrosting time1 time2 gt 40 minutes When defrosting is end time1 and time2 are cleared Condition of ending defrosting If any one of following items is satisfied defrosting will stop and the machine will turn to normal heating mode The defrosting time achieves 10min 2 TempQuitDefrost_ADD 3 gt 7 for 60seconds For 36K units Condition of defrosting T3 lt TempEnterDefrost ADD and lasts for 40 minutes Condition of ending defrosting If any one of following items is satisfied defrosting will stop and the machine will turn to normal heating mode D T3 gt TempQuitDefrost ADD C 2 The defrosting time achieves 10min 3 Turn to other modes or off Defrosting action 4 Way valve longer than 10min Compressor Indoor fan 5 Outdoor fan PMV running 8 mins with 300P 480P 1 3 3 5 High 2 protection 12 24 units T2 gt the compressor r
74. lange cut off the staples at side Air return flange The installation has finish upon filter mesh which fixing blocks have been insert to the flange positional holes Installation 83 Indoor unit installation 3 4 Ceiling amp floor indoor unit installation 24K 48K 3 4 1 Service space for indoor unit P 3 4 2 Bolt pitch D Ceiling installation Capacity Btu h 24K 2 Wall mounted installation LI IL LI IL IL 1 IL 1 LI LE am LII an IT Tj IL 1 IL LI IL LII IL LI LI LI an IL am IL gt 84 gt 1000 Installation Indoor unit installation 3 4 3 Install the pendant bolt D Ceiling installation Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 2 Wall mounted installation Install the tapping screws onto the wall Refer to picture below ae IL LI Ll 1 IL am LI LL ILI e IL LI TI LI LI IL 1 IL 1 IL LII LI LII LI IL Es an Lo 3 4 4 Install
75. llation 3 3 A5 duct indoor unit installation 3 3 1 Service space for indoor unit 200mm or more 300mm or more 2 x 600mmX600mm checking 3 3 2 Bolt pitch Electric control box Size of outline dimension mounted plug Capacity KBtu 3 3 3 Install the pendant bolt Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 12mm 45 50 deep at the selected positions on the ceiling Then embed the expansible hooks fittings Installation 81 Indoor unit installation 3 3 4 Install the main body Make the 4 suspender through the 4 hanger of the main body to suspend it Adjust the hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 Screw nut Shockproof cushion Washer Overhang part Hanging screw bolt 3 3 5 Install the air filter Insert the air filter through the filter slot and fix it with 2 screws 3 3 6 Install the air duct Please design the air duct as below recommended picture Canvas tie in Canvas tie in Him RD HZ Isolation booth Z Air inlet Air dust filter Air outlet Isolation booth checking orifi 82 Installation Indoor unit installation 3 3 7 Change the air inlet direction Take off ventilation panel and f
76. mp 6 2 4 Supporter gap of drainage pipe gt In general the supporter gap of the drainage pipe horizontal pipe and vertical pipe is respectively 1m 1 5m and 1 5m 2 0m gt Each vertical pipe shall be equipped with not less than two hangers gt Overlarge hanger gap for horizontal pipe shall create bending thus leading to air block 2222029275 2 277 Too long distance 6 2 5 The horizontal pipe layout should avoid converse flow Drainage pipe pipe Drainage pipe Drain tee re Water flow Water flow Water flow Water flow Water flow Drain tee Drain tee 7 ris nn water flow Water Water Gas Water flow 7 Keep certain degree f I UE 7 N Ai tente elf Branch pipe 7 222 gt correct installation will not cause converse water and the slope of the branch pipes be adjusted freely gt false installation will cause converse water flow and the slope of the branch pipe cannot adjusted 6 2 6 Water storage pipe setting gt the indoor unit has high extra static pressure and without water pump to elevate condensate water such as high extra static pressure duct unit the water storage pipe should be set to avoid converse flow or blow water phenome
77. n Check whether the communication wire between the indoor and No outdoor unit is connected correctly Yes Y Replace outdoor main board Connect the wiring well or replace the communication wire Check if the errors happen again gt Trouble is solved Electrical Control System 123 Troubleshooting 2 4 1 3 Indoor EEPROM malfunction Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes If the EEPROM chip is welded on PCB replace the PCB directly Otherwise gt Insert the EEPROM well check whether the EEPROM chip plugged in PCB well Yes Replace the indoor PCB 2 4 1 4 Full water malfunction If the water level switch is inserted well No gt Insert water level switch Yes v If the water level switch Yes is broken Replace the water level switch No Y If the water pump is normal No v Replace the water pump Yes v Check PCB board or replace the indoor main PCB 124 Electrical Control System Troubleshooting 2 4 1 5 Indoor fan Speed has been out of control Only for the units used DC motor Shut off the po
78. na Installation 95 pipe installation Indoor unit MO T More than 50mm Plu g l i pur More than 25mm EN TM PANES Y r ar 7 Water storage pipe 6 2 7 Lifting pipe setting of indoor unit with water pump gt Thelength of lifting pipe should not exceed the pump head of indoor unit water pump Pump head of big four way cassette 750mm Pump head of compact four way cassette 500mm gt drainage pipe should be set down inclined after the lifting pipe immediately to avoid wrong operation of water level switch gt Referthe following picture for installation reference LEE Hanger w E Down incline pipe 8 A Length of horizontal pipe lt 150mm ad B Lift height lt the pump head of water pump Se ques 5 Flexible pipe 300mm 6 2 8 Blowhole setting gt Forthe concentrated drainage pipe system there should design a blowhole at the highest point of main pipe to ensure the condensate water discharge smoothly Theair outlet shall face down to prevent dirt entering pipe gt Each indoor unit of the system should be installed it Theinstallation should be considering the convenience for future cleaning
79. nits Wiring 9 Field Wiring MFAU 12HRFN1 M Air Condition Link Circuit INDOOR UNIT Use 4 cable 1 2 2 n Power supply Use 3 care cable 14AW GI Indoor Units 59 Outdoor Units 60 Part 3 Outdoor Units x DIMENSION S EET UE IL 61 Service eden den 63 Pipilig DIagraltis uo suspa uya 64 Wiring Diagram s 65 Electric Characteristics 68 Operation Limits 69 NECESITE 70 Outdoor Units 1 Dimensions 1 nn SS 1 mE lt D X i lt lt 012 6 YN018GMFI16RUD YN024GMFI16RUD YN036GMFI16RUD Outdoor Units Dimensi
80. nstallation hooks evenly to ensure the balance of the body Use a leveling instrument to make sure the levelness of the main body is within 1 SSS a 22772727721 lt Colourless Horizontal trans parent pipe indicator Adjust the position to ensure the gaps between the body and the four sides of ceiling are even The body s lower part should sink into the ceiling for 10 12 mm In general L is half of the screw length of the installation hook A H ceiling height Ceilinc Locate the air conditioner firmly by wrenching the nuts after having adjusted the body s position well Installation 75 Indoor unit installation 3 1 5 Install the panel Remove the grille NE T Steel rope M 1 nn D l 7 n 4 n A S N q Please operate according to the direction of the arrow or it can not be disassembled when it is necessary Bolt washer 4 Tighten the screws under the panel hooks till the panel closely stick on the ceiling to avoid condensate water Body Inlet air Panel sealing foam Ceiling Panel foam2 Rs p Td E e ete gt ara ry ves L S aa mm Panel foam les Panel Outlet air Air plate Hang the air in grill to t
81. ons 61 Dimensions LL YN048GMFI16RUD 938 634 404 448 370 392 1369 62 Outdoor Units 2 Service Space Wall or obstacle 4 Se P4 Air inlet More than 30cm 11 81in More than 30cm NS 11 81in mol S B Airinlet gt Maintain channel More than 60cm Air outlet More than 200cm 78 74in Outdoor Units 23 62 Z Service Space More than 60 23 62in 63 Piping Diagrams 3 Piping Diagrams YN012GMFH6RUD YN018GMFI16RUD INDOOR OUTDOOR 4 CHECK VALVE LIQUID SIDE Heating Model only 4 SO DCC N 1 L p gt YU VV V VV 2 WAY VALVE _ Condenser 00
82. peration normally IPM malfunction or IGBT over strong current protection Over voltage or too low voltage protection Inverter compressor drive error Inverter compressor drive error Communication malfunction between compressor driver board and outdoor main board Compressor driver board EEPROM malfunction O light X off X 2 5Hz flash 120 Electrical Control System Troubleshooting For other models UU an so a jaa _ In low ambient cooling mode the LED displays LC or alternative displays between running frequency and LC each displays 0 55 Electrical Control System 121 Troubleshooting 2 4 Solving steps for typical malfunction 2 4 1 For the indoor unit 2 4 1 1 Open or short circuit of temperature sensor Check the connections between temperature sensor and PCB Are the connections good x Yes Check resistance value of the sensor via Appendix 1 No Correct the connections Yes Replace indoor or outdoor PCB No Y Replace the sensor 122 Electrical Control System Troubleshooting 2 4 1 2 Outdoor unit malfunction Outdoor unit malfunction Whether the outdoor main board has error Yes Refer to corresponding solving steps display No v Whether the outdoor unit is power on Yes No y Check whether the power is o
83. r and length of the liquid pipe between indoor and outdoor unit Refer the following formula to calculate the charge volume Diameter of liquid pipe mm 06 35 1 4 09 52 3 8 V Additional refrigerant charge volume 9 L The length of the liquid pipe m Take the length of your actual pipe and deduct the 7 5 meter 25 factory pre charge length from it than add 0 5 Oz for every 3 3 additional feet for 1 4 or 1 Oz for every 3 3 feet for 3 8 Liquid line tubing Note Refrigerant may only be charged after performed the vacuum drying process Always use gloves and glasses to protect your hands and eyes during the charge work Use electronic scale or fluid infusion apparatus to weight refrigerant to be recharged Be sure to avoid extra refrigerant charged it may cause liquid hammer of the compressor or protections Use supplementing flexible pipe to connect refrigerant cylinder pressure gauge and outdoor unit And The refrigerant should be charged in liquid state Before recharging The air in the flexible pipe and manifold gauge should be exhausted After finished refrigerant recharge process check whether there is refrigerant leakage at the connection joint part Using gas leakage detector or soap water to detect Installation 99 Engineering of insulation 9 Engineering of insulation 9 1 Insulation of refrigerant pipe 9 1 1 Operational procedure of refrigerant pipe insulation Cut the suitable pipe
84. rary button Display digital tube OC MANUAL OPERATION TIMER DEF FAN ALARM 2 1 6 Icon explanation on indoor display board Console Infrared signal receiver Operation lamp Timer indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type Temporary button 2 1 7 Display board of auto lifting panel of 4 way cassette 24 48 Digital 88 Display Check Button Running LED Timer Defrost LED Alarm LED 118 Electrical Control System Troubleshooting 2 2 Indoor unit malfunction Console Manon Running lamp Defrosting lamp 2 Open or short circuit of T2 temperature sensor or Open or short circuit of T2 temperature sensor circuit of T2 temperature sensor gr ein een eor t EEn units 4 Outdoor fan speed has been out of control 000002 fan Outdoor fan speed has been of control has been out of control 6 IPM IPM module protection IPM module protection Outdoor unit EEPROM parameter error NCT _ _ ee f o e XN Hash at SHz OlfashatoSHD O light X off flash at 5Hz flash at 0 5Hz For 12K amp 24K units excluding console NO Malfunction Running Timer Defrosting Alarm Display nixie lamp lamp lamp lamp tube sensor sensor Communication
85. re are four fan modes low middle high auto For some models no middle fan then the middle fan is seen as high speed 6 Lock When the LOCK button is pressed the icon appears and other buttons is unable press again the icon disappears 7 Temperature display zone Generally it displays setting temperature it can be adjusted by press temperature button Aand But in fan mode no display here Remark 148 Electrical Control System Controller The wired controller will reset to factory setting with auto mode auto fan 24 setting temperature when the air conditioner restarts after power failure And this may cause inconsistent displays on the wired controller and on the air conditioner You need to readjust the running status through the wired controller Installation Wiring Principle Sketch Wire Joint 5 5 Core Shield Cable the length is decided installation gt O O RUN GND Indoor Unit Switch Board Installation Notice When the air conditioner needs the constant frequency wire Controller be sure adding a Wire Joint with 5 terminal named A B C D E in indoor unit and fixing a infrared emitter whose anode and cathode connecting with A and B near the receiver in the Indoor Unit Switch Board then connecting the terminal 5v GND Run in the Switch Board to C D E respectively While installin
86. ressor frequency will be limited and decreased to the lower level every 1 minute till off 4 C lt T2 lt 7 C the compressor will keep the current frequency 2 gt 7 C the compressor frequency will not be limited For other units When 2 lt 2 and lasts for 3 minutes the indoor has no capacity demand and resume till T227 C 1 3 2 5 Condenser high temperature T3 protection For 12K 18K Outdoor units 55 C T3 60 the compressor frequency will decrease to the lower level every minutes till F1 and then runs at F1 If 3 lt 54 the compressor will keep running at the current frequency T3 52 C the compressor will not limit the frequency and resume to the former frequency T3 gt 60 C for 5 seconds the compressor will stop until 3 lt 52 For other units When T3265 C for 3 seconds the compressor will shut off When T3 lt 52 the compressor Will restart Electrical Control System 107 Electrical Control Function 1 3 3 Heating Mode 1 3 2 1 Electronic Expansion Valve EXV Control Excluding YN012GMFI16RUD YN018GMFI16RUD 1 EXV will be fully closed when turning on the power Then EXV will be standby with 300P open and will open to target angle after compressor starts 2 EXV will close with 160 when compressor stops Then EXV will be standby with open and open to target angle after compressor starts 3 The initial open angle of EXV is 300P The unit starts to work for 3 minutes then
87. rmally Replace the connecting line or reactor or replace the PFC module Y Trouble is solved 2 Electrical Control System 141 142 Troubleshooting 2 4 4 16 P7 malfunction P7 display High temperature protection of evaporator Whether compressor operates Yes Check whether the heat exchanger is dirty the air outlet is blocked and the indoor fan is running normal No Y Whether the Clean the heat exchanger and the air outlet Check whether the indoor fan is running normal NO y Check refrigerant system such as clogging of capillary etc connection is good Yes Check the the sensor via Appendix 1 ls it normal Yes hether the indoor PCB is normal esistance value of gt Reconnect and retest No Replace the temperature sensor No Replace the indoor PCB Electrical Control System Troubleshooting Appendix 1 Temperature Sensor Resistance Value Table C C C Ohm 235774 100 0 62073 1 2225 10 0 61148 ez 249073 0 56386 5 2124 0 57683 oa 203732 0 56038 es 196532 105 0 54448 189627 1 0 52912 5 183005 0 51426 68 1 76647 108 0 49989 170547 109 0 48600 70 1 6469 110 0
88. tallation for ceiling 1 B Floor Installation y p ES Hanging arm I 1 Floor m Ex x 5 75 74 P 1 C N A N HI ie F N S 05 N N ps 70 4 NS oJ w 55 X 1 Indoor Units 12 18 41 Dimensions 24K 48K 2 33 Wiring connection port 2 240 Drain discharge port poo gt 2120 Fresh air intake Hanging arm 220 1 aa Ak Ws 29 1285 675 25 120 48K 675 235 42 Indoor Units 3 Service Space 12K 18K Z i 5 gt J d i 5mm 24 48 P Indoor Units 235mm Service Space
89. the main body D Ceiling installation The only installation method for the unit with drain pump Remove the side board and the grille Hanging arm Hanging screw bolt zs Side board Grille Locate the hanging arm on the hanging screw bolt Prepare the mounting bolts on the unit Installation 85 Indoor unit installation Screw nut 20 25mm Washer Hanging screw bolt Put the side panels and grilles back D Connecting point of refrigerant pipe D gas side E Connecting point of refrigerant pipe E Liquid side Downward declicity lower between 1 2 100 2 Wall mounted installation Hang the indoor unit by insert the tapping screws into the hanging arms on the main unit The bottom of body can touch with floor or suspended but the body must install vertically NJ HHHHHHHHHHHHHHHHHHHHHHA 86 Installation Indoor unit installation 3 5 Ceiling amp floor indoor unit installation 12K 18K 3 5 1 Service space for indoor unit 35mm gt 35mm 3 5 2 Bolt pitch D Ceiling installation Drain point 12K 18K 505 907 200 2 Floor standing installation Hook Tapping Installation 87 Indoor unit installation 3 5 3 Install the pendant bolt D Ceiling installation Select the position of installation hooks according to the hook holes positions showed in upper picture Drill four holes of 12mm 45 50mm deep at
90. the selected positions on the ceiling Then embed the expansible hooks fittings 2 Floor standing installation Fix the hook with tapping screw onto the wall Refer to picture below Hook 3 5 4 Install the main body D Ceiling installation The only installation method for the unit with drain pump Remove the side board and the grille For models 48 and 60 do not remove the grille Side board M nein N Grille y liga pm gt y Locate the hanging arm on the hanging screw bolt for some of the models 60 do not do this Prepare the mounting bolts on the unit 8 13 Screw nut Hangin denkik bolt N Washer INDOOR UNIT Hanging screw bolt Mounting bolt max 40mm Hanging arm 88 Installation Indoor unit installation Hang the unit on the hanging arm by sliding backward Securely tighten the mounting bolts on both sides some of the models 60 do not do this ded bolt N Hanging arm For some of the models 60 please securely tighten the mounting bolts on both sides Hanging 4 screw Then install the side panels and grilles back to the main unit 2 Floor standing installation Hang the indoor unit on the hook The bottom of body can touch with floor or suspended but the body must install vertically Installation 89 Indoor unit installation 3 6 Console indoor unit install
91. troller lonizer will work and the indicator light on display board will shine 10 Indoor Units Features 24 36 2 4 External air duct design Reserve external air duct more flexible for the air supply 2 5 Built in draining pump gt Due to improvement of structure more convenient to repair or replace the draining pump gt v E s X 1 Draining Pump gt Built in draining pump to make sure condensed water out reliably Indoor Units 11 5 24 36 Ceiling 2 6 Terminals for alarm lamp and long distance on off controller connection are standard Reserve terminals for the connection of alarm lamp and long distance on off controller more human control 2 7 Optional touch screen wired controller Touch screen wired controller is optional with error code indication function Better man machine conversation interface Undated structure design 4 way wire layout design no raised part at backside more convenient to place the wires and install the device 12 Indoor Units Features 24 36 Indoor Units 13 Dimensions 3 Dimensions 12K 18K Liquid side Gas side E parts box 4 Screw hole 14 hole A for Service for install panel
92. tube will show 3 Indoor unit capacity demand code 116 Electrical Control System Troubleshooting 2 Troubleshooting 2 1 Display board 2 1 1 Icon explanation on indoor display board Super slim cassette 24K 48K Temporary button Digital LED Infrared signal receiver Operation lamp Timer indicator Alarm indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type 2 1 2 Icon explanation on indoor display board Compact cassette 12K 18K Infrared signal receiver Temporary button Operation lamp Timer indicator Alarm indicator PRE DEF indicator cooling and heating type or fan only indicator cooling only type 2 1 3 Icon explanation on indoor display board Ceiling amp Floor 12K 18K 10 Operation lamp OPERATION CD DEF FAN indicator cooling and heating or fan only indicator cooling only type Timer indicator Alarm indicator Temporary button Infrared signal receiver 2 1 4 Icon explanation on indoor display board Ceiling amp Floor 24K 48K MANUAL OPERATION TIMER Infrared signal Electrical Control System 117 Troubleshooting 2 1 5 Icon explanation on indoor display board Ducted PRE DEF indicator cooling and heating type or fan only indicator cooling only type Timer indicator Alarm indicator Operation lamp 4 Infrared signal receiver Tempo
93. uilt in drain pump Optional Bullt in drain pump can lift the water to 750 upmost It s convenient to install drainage piping under most space condition 24 Indoor Units Features 750mm upmost 1 7 Built in display board gt standard indoor unit can be controlled by wired controller gt There is display board with a receiver the E box Move out the display and fix it in other place even in the distance of 10m The unit will realized remoter control gt wired controller and the display board can display the error code or production code when the chips detect some failure Wired Controller Standard Remote Controller Optional Indoor Units 25 Dimensions 2 D imensions air inlet from rear side Air filter optional Liquid side Gas side 2 lt 5 5 lt lt lt lt 59 He x AN lt see i e 550 lt Mene 22506604 00000050005 2 lt lt 555 2 lt 56 lt 555560 25556 X XX 5 2 5 50 0 to 22 e 25 25 25 lt Ss 2 RIS 59 lt 25 5 lt lt 2 555 lt 9909090 4990004 2 stats 5 225 5 550 OO lt 55 9 2 5 256 900
94. um leakage is slight use suds mixture of 0 14MPa water and abluent is also ok if it can make bubble or electronic leak detector No Let the refrigerant out then use the high Yes pressure nitrogen or refrigerant to blow pipe vacuumize and charge the refrigerant again Judge 5 The refrigerant pipe is blocked No Electrical Control System 137 Troubleshooting 2 4 4 12 P3 malfunction P3 display Current protection of compressor Judge 1 Check whether the input current of the power supply wire is more than 20A For 36K amp 48K with 1 phase it 1 30 Y Check whether the refrigerant system is ok Judge 2 Check whether the outdoor ambient temperature is higher than 50 No Y Yes gt Stop the unit Judge 3 Check whether the comet Make the outdoor unit ventilate well outdoor unit is bad ventilation No Y Judge 4 Check whether the heat exchanger is dirty Yes p Clean the heat exchanger No Y Let the refrigerant out then use the high Yes pressure nitrogen or refrigerant to blow pipe vacuumize and charge the refrigerant again Judge 5 The refrigerant pipe is blocked outdoor main board
95. unning frequency decreases to lower level every 20s When the frequency decreases to F2 and the T2 is still over 2 for 3 minutes the compressor will stop 2 lt 48 or 2 lt 2 lt 48 C for 6 minutes the frequency will not be limited T2 60 C the compressor will stop and restart when 2 lt 48 C For other units T2260 C the compressor will stop and restart when T2354 C 112 Electrical Control System Electrical Control Function 1 3 4 Auto mode This mode can be chosen with remote controller and the setting temperature can be changed between 17 30 In auto mode the machine will choose cooling heating fan only mode according to AT T1 Ts For 12K 24K units mee p Rm For other units Indoor fan will run at auto fan of the relevant mode The louver operates same as in relevant mode If the machine switches mode between heating and cooling the compressor will keep stopping for 15 minutes and then choose mode according to 1 If the setting temperature is modified the machine will choose running function again 1 3 5 Drying mode For 12K 24K units 1 3 5 1 Indoor fan speed is fixed at low and can t be changed The louver angle is the same as in cooling mode 1 3 5 2 Low indoor room temperature protection In drying mode if room temperature is lower than 10 the compressor will stop and not resume until room temperature exceeds 12 1 3 5 3 Evaporator ant
96. urn on temperature of evaporator is very low in this case in order to prevent cold air direct blowing only the upper louver is opened in a high position the lower louver closed Indoor Units 51 Features 1 4 Four air inlets 1 5 Low noise gt DOC indoor fan motor which has five speeds gt Low noise and energy saving gt Advanced centrifugal fan technology makes a fast airflow and reduces the indoor noise lower to 28dB 1 6 Golden fin is optional 1 7 Active carbon filter is standard 52 Indoor Units 2 Dimensions Indoor Units 1 ffr se L ZST RAN t Dimensions ing 600
97. wer supply and turn it on 1 minute later Is it No p The unit operates normally still displaying the error code Yes y Shut off the power supply rotate the fan by hand Does No it rotate properly Yes Y Check the wires of fan motor Are all the connections good Yes Y Check the voltage between every port and GND port of fan motor connector does it comply with the table No Y Yes Replace indoor main PCB Is it still displaying the error code Replace indoor fan motor No p Correct the connections DC motor voltage input and output control chip is inside the motor motor input output NO Color Signal Voltage ___ 1 Red VsVm 280 580 ICONE eee ___ ___ white 6 0 5 6V Bue FG 14 17 5V ND CC FG Electrical Control System 125 Troubleshooting 2 4 1 6 Refrigerant Leakage Detection Shut off the power supply and turn it on 5 seconds later Is it still displaying the error code Yes v Is there cool air blowing Yes out from indoor air outlet No Is there any leakage Especially the connection parts such as the gas valve and the liquid valve No Yes Is there any block in g Such as the capillary or the welded points of the pipes Yes v Clear the blocking
98. x Low speed 10 0 300 400 500 600 700 800 900 Air volume m h 24 000Btu h Pa 90 80 X N a 70 2 N Super high speed 60 1 9 B 22222 High speed 40 D Mid speed x b 30 20 10 30 700 800 900 1000 1100 1200 1300 1400 1500 Air volume m h 18 000Btu h Pa 90 70 10 1 N External static pressure Pa volume m h 36 000Btu h Pa 80 Super high speed x High speed 50 K Mid speed 40 AN Low speed 30 DNE 20 10 200 300 400 500 600 700 800 900 1000 1100 1200 Air volume m h 1100 1200 1400 1600 1800 2000 2200 2400 Indoor Units to Imperial Conversion 48 000Btu h Pa oq Sl 110 100 90 ES Super high speed 70 High speed 60 Mid speed Low speed 40 External static pressure 30 20 10 1000 1300 1600 1900 2200 25
99. x with bolt Installation 91 Refrigerant pipe installation 5 Refrigerant pipe installation 5 1 Maximum pipe length and height drop Considering the allowable pipe length and height drop to decide the installation position Make sure the distance and height drop between indoor and outdoor unit not exceeded the date in the following table 5 2 The procedure of connecting pipes 5 2 1 Choose the pipe size according to the specification table 5 2 2 Confirm the cross way of the pipes 5 2 3 Measure the necessary pipe length 5 2 4 Cut the selected pipe with pipe cutter gt Make the section flat and smooth A X o o Lean Crude Burr 29 5 2 5 Insulate the copper pipe gt Before test operation the joint parts should not be heat insulated 5 2 6 Flare the pipe gt Insert a flare nut into the pipe before flaring the pipe According to the following table to flare the pipe Dan dimension A mM NN Pipe diameter Flare shape 1 4 6 35 3 8 9 52 5 8 15 9 3 4 19 dk gt After flared the pipe the opening part must be seal by end cover or adhesive tape to avoid duct or exogenous impurity come into the pipe 5 2 7 Drill holes if the pipes need to pass the wall 5 2 8 According to the field condition to bend the pipes so that it can pass the wall smoothly 5 2 9 Bind and wrap the wire together with the
100. y T5 90 no limit for frequency For other units 1 102 lt 5 lt 115 C decrease the frequency to the lower level every 2 minutes till to F1 f T5 gt 115 for 10 seconds the compressor will stop and restart till T5 90 C 1 2 4 Sensor protection at open circuit and breaking disconnection 1 2 5 Indoor fan delayed open function When the unit starts up the louver will be active immediately and the indoor fan will open 10s later If the unit runs in heating mode the indoor fan will be also controlled by anti cold wind function 1 2 6 Fan speed is out of control When Indoor Fan Speed keeps too low for 50s the unit will stop and the LED will display the failure 104 Electrical Control System 1 3 Operation 5 and Functions 1 3 1 Fan mode 1 Outdoor fan and compressor stop Electrical Control Function 2 Temperature setting function is disabled and no setting temperature is displayed 3 Indoor fan can be set to high med low auto 4 The louver operates same as in cooling mode 5 Auto fan For 12 18K units Plus 24K floor ceiling cassette and Ducted For other units TSIS 5 0 4 0 3 0 2 0 1 3 2 Cooling Mode High Medium Y Low Ts 24 High Medium Y Low Ts 24 1 3 2 1 Electronic Expansion Valve EXV Control Excluding YN012GMFI16RUD YN018GMFI16RUD 1 EXV will be fully closed when turning on the power Then EXV will be standby wit

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