YKHC 24 FSBAAA
Contents
1. 880 Ceiling hole 950 Panel Chart 3 Chart 4 34 reei Hen ii Chart 5 Chart 6 Chart 7 B New built houses and ceilings i a In the case of new built house the hook can be embedded in advance refer to the A b mentioned above But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking b After installing the body please fasten the installation paper board onto the air conditioner with bolts M6X12 to determine in advance the sizes and positions of the hole opening on ceiling Please first guarantee the flatness and horizontal of ceiling when installing it Refer to the A a mentioned above for others c Refer to the A c mentioned above for installation d Remove the installation paper board 2 Install The Panel 1 Remove the inlet grid a Slide two grid switches toward the middle at the same time and then pull them up Refer to chart 8 b Draw the grid up to an angle of about 45 and remove it Refer to chart 9 Chart 10 2 Remove the installation covers at the four corners Wrench off the bolts loose the rope of the installation covers and remove them Refer to chart 10 3 Install the panel a Align the swing motor on the panel to the tubing joints of the body properly Refer to chart 11 b Fix hooks of the panel at swing motor and its opposite sides to the2. Application area 50 75 60 85 80 105 Qty per 207 40 Pieces 25 55 62 25 55 62 24 52 55 Notes 1 Nominal cooling capacities are based on the following conditions Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB 2 Nominal heating capacities are based on the following conditions Indoor temp 20 CDB Outdoor temp 7 CDB 6 C WB 3 Actual noise level may differ depending on the room structure etc since these noise values are from an 5 1 Part 3 Noise level High speed speed 12 000 24 000 btu h Part4 Velocity amp temperature distribution Discharge angle 60 Airflow velocity Temperature Part5 Operation range Ensure the operating temperature is in allowable range Heating O xS STD 2 lt 7 17 24 30 Indoor C mp aC Ambient em 0 4 Cooling STD 17 24 30 Indoor temp jaC Part6 Capacity table Model YKHC 12 18 COOLING OUTDOOR CONDITIONS _OUTDOOR CONDITIONS mL we pee te ur 190 200 228 247 Model 12 18 HEATING OUTDOOR CONDITIONS Indoor 24 C D 12 C D TCD 4CD 5 C D TC 15 C D Conditions 18 C W 11 C W 6 C W W 1 C W 6 C W 8 C W 16 C W 15 C Capac
3. 1 7 Liquid Position Sensor Ass y 1 26 8 Cover control box 1 8 Deseparating board right 1 26 9 Fan guide 4 9 Drain pipe 1 26 10 Swing motor 1 10 Extend water pipe 1 26 11 Panel 1 11 Drain Pump Holder 1 26 12 Install cover swing motor 1 Pipe Temperature Sensor 12 Ass y 1 26 13 Install cover I 1 13 Evaporator Ass y 1 26 14 Install cover II 1 14 Fixing clamp evaaporater 1 26 15 Install cover I 1 15 Deseparating board left 1 27 Remoter 1 16 Inlet pipe eva 1 28 Holder Remote Controller 1 17 Outlet pipe eva 1 29 E control Assy 1 18 Wire crossing board 1 29 1 Control Box 1 19 Fan 1 29 2 Rubber wire crossing 1 20 Fan Motor 1 29 3 PCB Ass y 1 21 Fan Motor Underlay 1 29 4 Transformer 1 22 Base Pan Ass y 1 29 5 Relay 1 23 Fixing board water pan 4 29 6 Capacity 1 24 Sealing board pipe out 1 29 7 Base wire fixing 1 25 Rubber wire crossing 2 29 8 Cover wire fixing 1 26 Panel Ass y 1 30 Control Box Cover 1 44 2 24 30 36 48 51 17 19 45 Part Name Quantity No Part Name Quantity 1 Water collector assy 1 30 Insta
4. 1 30 Compressor 1 11 Support board motor holder 1 31 Rubber underlay compressor 3 12 Left clapboard 1 32 pipe Ass y 1 13 Rear net 1 33 High Pressure Valve 1 4 in 1 14 Rear right clapboard 1 34 Four way valve Ass y 1 15 Big handle 1 35 Gas pipe valve 1 16 Handle 2 36 4 way valve 1 17 Water collector 1 37 temp sensor 1 18 motor capacitor 1 38 Copper nut 1 19 Terminal Block 2p 1 39 1 20 Separating board 1 48 3 30 36 Quantity No Part Name Quantity 1 Front net 1 18 1 Clamp for front net 10 19 Running Capacitor Compressor 1 2 Front clapboard 1 20 Fan motor capacitor 1 3 1 21 Wire joint 3p 1 4 Fan Motor 1 22 Washer for wire joint 1 5 Holder for fan motor 1 23 Wire joint 5p 1 6 1 24 Installation board for E parts 1 7 Condenser I 1 25 Clamp for wiring 1 7 1 26 Terminal install board 1 8 Left clapboard 1 27 Refrigerant container 1 9 Rear Net 1 28 Fixing clamp container 1 10 Big Handle 1 29 Discharge temp sensor 1 11 Rear right clapboard 1 30 4 Ways valve 1 12 Separating board 1 31 Liquid pipe valve 1 13 Installation plate for valves 1 32 Gas pipe valve 1 14 Chassis 1 43 Compressor 1 15 Front right clapboar
5. MIDDLE TERMINAL VALVE AWAY VALVE 2 LN do 3 5 xn XL INDOOR UNIT X TO INDOOR UNIT XT 23 3 30 YKHC 36 Indoor unit 10 _ DISPLAY BOARD 1 x M 1 WIRING DIAGRAM CINDOOR UNIT PART NAME INDOOR FAN CAPACITOR POWER TRANSFORMER INDOOR FAN MOTOR WATER LEVEL SWITCH SWING MOTOR PUMP ROOM TEMPERATURE PIPE TEMPERATURE XP1 XP2 CONNECTORS Fr 2 BLUE BLACK ve B sme Es 12 8 4 5 6 x 22 2 POWER TO OUTDOOR UNIT TO OUTDOOR UNIT Outdoor unit WIRING DIAGRA POWER 380V 3N 50 2 CODE PART NAME N rj CONTROL BOARD COMP ESSOR FAN3 TDOOR FA cNz00 1201 CAP3 FAN CAP B i ns S V AY VALVE RED 2 E 5 p 5 358 55 BLACK EE 908 HAT sv WAY TERMINAL xr XT5 7 CONE Jae Zn H PRO SURE SIT Ly 7 T201 ENT DETECTOR BLUE N Lo RT3 E TEMP SENSOR BUEN HEATER XS8 9 CONNECTORS xr6 8 9 ECTORS BLU
6. it will be on 4 1 3 Defrosting Pre Heating Lamp When heat pump model performs defrosting or anti cold air it will be on 4 1 4 Water Level Alarm Lamp When water level is above the alarm level it will blink at 5Hz 4 2 Timer Refer to remote controller manual for detail operation Note The timer is valid for one operation of the A C 4 3 Louver Action Closed angle at energized Heating Cooling or dehumidifying Swing range 55 30 30 0 30 The swing angle is between 15 and 15 with 15 being its center 4 4 Condensate Pump 4 4 1 The action of the water pump is controlled by water level switch 4 4 2 Control procedures check water level every 5 seconds 4 4 2 1 When entering cooling mode dehumidifying mode or forced cooling mode condenser starts at once and operates continue until the above modes stop 4 4 2 2 Under stand by heating or fan mode if the water level in water receiver rises to the position of the water switch the controller will make LED flashing to give warning signal and at the same time forces compressor to stop and the drain pump start The water level will be checked continuously If the water level falls to warning water level the warning signal will disappear the drain pump delay 1 minute to be off compressor starts again 3 minutes protection takes priority and operation recovers according to former setting mode On the other wise after 3 minutes the whol
7. the hole on the board Installation Type 1 The hole is oppose to drainage pipe Drainage pipe Installation Type 2 The hole is oppose to refrigerant pipe Refrigerant Pipe Drainage pipe Insulation Material Inside Board Board No insulation material inside only removal board Removal with Pincher Removal with Pincher Commissure 8 Or Incisel with knife N Removal with Pincher Insulation Material Inside 7 Commissure 37 Stick insulation material 4 at indoor hole Installation Type 1 Put the insulation material 4 on the interface of the hale as shown in Figure 4 then stick Installation Type 2 Stick insulation material at the opening part of the board _ on the inside and surface of the board interface of the hole can not have gap Insulation Bows i P 2 Edge Figure 27 9 Insulation Material gi Board Abput 10mm Insulation Material Ensure the interface of insulation material 4 closely contacts with the inside insulation material and the board Flange 1 Flange 1 Screw 2 12 4 pieces Insulation Material 3 Insulation Material 3 Screw 2 12 4 pieces Figure 3 Install Duct the rated diameter 75 1 Connect the d
8. the outdoor unit should be closed absolutely as original state Every time you connect it first loosen the nuts at the part of stop value then connect the flare pipe immediately in 5 minutes If the nuts have been loosened for a long time dusts and other impurities may enter the pipe system and may cause malfunction later So please expel the air out of the pipe with refrigerant before connection c Expel the air after connecting the refrigerant pipe with the indoor unit and the outdoor unit Then fasten the nuts at the repair points 2 Locate The Pipe a Drill a hole in the wall suitable just for the size of the wall conduit then set on the fittings such as the wall conduit and its cover b Bind the connecting pipe and the cables together tightly with binding tapes Do not let air in which will cause water leakage by condensation c Pass the bound connecting pipe through the wall conduit from outside Be careful of the pipe allocation to do no damage to the tubing 3 Connect the pipes 4 Then open the stem of stop values of the outdoor unit to make the refrigerant pipe connecting the indoor unit with the outdoor unit in fluent flow 5 Be sure of no leakage by checking it with leak detector or soap water 6 Cover the joint of the connecting pipe to the indoor unit with the soundproof insulating sheath fittings and bind it well with the tapes to prevent leakage 39 3 Additional charge When the length of the o
9. when the twice ON OFF button is pushed Buttons on the remote controller Press Reset button don t work 3 Clean CAUTION Please turn off your air conditioner and disconnect power supply before cleaning 1 CLEANING INDOOR UNIT Use a dry to wipe the indoor unit A cloth dampened with cold water may be used 1f the indoor unit is too dirty It is allowed to remove the front panel of indoor unit and clean it with water and ensure to wipe it up with a dry rag Note Do not use a chemically treated duster for wiping or leave such materials near the unit for long Do not use benzene thinner polishing powder or similar solvents for cleaning 2 CLEANING AIR FILTER The air filter in unit can filter dust and other granules in air It may reduce the cooling effect that the air filter 1s covered with dust So clean the air filter often 42 12 Exploded view Indoor unit 1 YKHC 12 18 43 Quantity No Part Name Quantity 1 Collect Water Pan Ass y 1 261 Air inlet grille 1 11 Foam Collect Water Pan 1 26 2 Switch cover air inlet grille 1 2 Wire fixing board 1 26 3 Switch air inlet grille 2 3 Stopper Water Drain 1 26 4 Filter 1 4 Room Temperature Sensor Ass y 1 26 5 Control box 1 5 Evaporater Fixture Board Ass y 1 26 6 LED holder 1 6 Drain Pump 1 26 7 Control board
10. xe 5 7 CONNEC H PRO ESSURE SWITCH 1201 CURRENT DETECTOR MITT RT3 EMP SENSOR BLUE 0 HEATER U XS8 9 NECTORS XP8 9 CONNECTORS BUEN 100 208 SOCKETS EEEE K1 NP RT4 TEMP SENSOR I To 1 xm SWAY TERMINA EE 15 RANSPORMER TO INDOOR XT2 TO INDOOR 25 Part9 Outlines and dimension Indoor units 1 YKHC 12 18 2 C 1 gt 8 9 1 E 401 Hook location 580 Body 67 600 Ceiling hole 650 Panel 2 2 24 135 4 install hanger rm e20 Gas side 1 LI Xe E parts box Pump inspect hole F gt A Drain hole E 70 DA m m 190 26 3 30 36 48 4 install hanger 1 Gas side liquid side M 1 E parts box Pump inspect PLN A hole NOS 7 1
11. 0 Net Gross weight body kg 40 50 40 50 40 50 Dimension W H D panel mm 950 40 950 950 40 950 950 40 950 Packing W H D panel mm 1030 145 1030 1030 145 1030 1030 145 1030 Net Gross weight panel kg 6 11 6 11 6 11 Model YDK250 6D WL YDK250 6D WL YDK65 6F Outdoor WELLING WEILING WELLING motor Input 307 307 138 156 Capacitor uF 10 10 3 5x2 Speed 740 740 800 Number of rows 2 2 2 Tube pitch a x row pitch b mm 25 4 22 25 4 22 25 4 22 Fin spacing mm 1 7 1 7 1 8 _ Fin type code unhydrophilic Outdoor coil aluminium aluminium aluminium Tube outside dia and type mm 033 29 99 gt innergroove tube innergroove tube innergroove tube Coil length x height x width mm 955x915x44 955 915 44 715 1220 44 Number of circuits 8 8 4 Outdoor air flow 8 5000 5000 Outdoor noise level dB A 5000 57 58 Dimension W H D mm 57 990x960 360 940 1245x360 Outdoor unit Packing W H D mm 990 960 360 1120 1090 435 1020 1370 435 Net Gross weight kg 1120 1090 435 101 106 110 125 Refrigerant type Quantity g R410A 3100 R410A 3100 R410A 4000 Design pressure high side low side MPa 4 2 2 5 4 2 2 5 4 2 2 5 Liquid side mm inch 12 7 1 2 12 7 1 2 12 7 1 2 Refrigerant Gas side mm inch 19 3 4 19 3 4 19 3 4 piping Max pipe length m 30 30 30 Max difference in level m 20 20 20 Operation temp E 17 30 17 30 17 30 Ambient temp 7 45 7 45 7 45
12. 0 3000 Outdoor noise level dB A 48 55 Dimension W H D mm 845 x695 x335 895 860 x330 Outdoor unit Packing W H D mm 965 847 395 1000 985 410 Gross weight kg 55 58 79 90 Refrigerant type Quantity g R410A 2050 R410A 2600 Design pressure high side low side MPa 4 2 2 5 4 2 2 5 Liquid side mm inch 6 35 1 4 9 53 3 8 Refrigerant Gas side mm inch 12 7 1 2 16 5 8 piping Max pipe length m 30 30 Max difference in level m 20 20 Operation temp j 17 30 17 30 Ambient temp 7 45 7 45 Application area m 34 49 40 56 Qty per 20 40 Fcl Pieces 56 123 140 30 63 66 Notes 1 Nominal cooling capacities are based on the following conditions Indoor temp 27 CDB 19 CWB Outdoor temp 35 CDB 2 Nominal heating capacities are based on the following conditions Indoor temp 20 CDB Outdoor temp 7 CDB 6 CWB 3 Actual noise level may differ depending on the room structure etc since these noise values are from an anechoic room 30 36 48 Power supply Ph V Hz 3 380V 50Hz 3 380V 50Hz 3 380V 50Hz Capacity Btu h 30000 36000 48000 Capacity kW 8 8 10 5 14 Cooling Input 3250 3700 4700 Rated current A 5 5 6 5 8 2 EER Btu W h 9 3 9 6 9 6 Capacity Btu h 32000 39000 52000 Capacity kW 9 4 11 4 15 2 Heating Input 3250 3350 4
13. 2 16 10 94 10 34 9 12 8 51 7 90 Input kW 5 88 4 70 3 92 3 72 3 53 3 33 3 14 2 74 18 Capacity kW 20 52 16 42 13 68 12 31 11 63 10 26 9 58 8 89 Input kW 6 62 5 29 4 41 4 19 3 97 3 75 3 53 3 09 20 Capacity kW 22 80 18 24 15 20 13 68 12 92 11 40 10 64 9 88 Input kW 7 35 5 88 4 90 4 66 4 41 4 17 3 92 3 43 22 Capacity kW 25 08 20 06 16 72 15 05 14 21 12 54 11 70 10 87 Input kW 8 09 6 47 5 39 5 12 4 85 4 58 4 31 3 77 27 C Capacity kW 29 64 23 71 19 76 17 78 16 80 14 82 13 83 12 84 Input kW 9 56 7 64 6 37 6 05 5 73 5 41 5 10 4 46 12 Part7 Electric control functions 1 Performance Index No Item Index Applicable Voltage Range 165 253V 343 418 2 A C Frequency 50Hz 3 Working environment temperature 7 C 45 C 2 Main Parts Introduction 2 1 Indoor Fan High speed and low speed Breeze speed for anti cold air 2 2 Outdoor Fan High speed and low speed Remark some model just have one speed 2 3 Buzzer 2 3 1 It will buzz when its driving port in the main chip outputs high level 2 3 2 It will buzz once when the main frame receives remote start up signal 2 3 3 It will buzz once for 1 second when receiving turn off signal 2 3 4 It will buzz for 0 5 second once receiving other signal 2 4 Indicator 2 4 1 There are 4 indicators operating indicator timer indicator water level warning indicator defrosting indicator and pre heating indicator wind delivery indicat
14. 6 8 84 7 80 7 28 6 76 Input kW 4 88 3 90 3 25 3 09 2 93 2 76 2 60 2 28 Model 30 COOLING OUTDOOR CONDITIONS are ose we ase Conditions XD Model YKHC 30 HEATING OUTDOOR CONDITIONS Indoor 24 C D 12 CD TCD 4CD 0C D 5 C D TC D 15 C D Conditions 18 C W 11 C W 6 C W 3 C W 1 C W 6 C W 8 C W 16 C W 15 C Capacity kW 11 28 9 02 7 52 6 77 6 39 5 64 5 26 4 89 Input kW 3 90 3 12 2 60 2 47 2 34 2 21 2 08 1 82 18 Capacity kW 12 69 10 15 8 46 7 61 7 19 6 35 5 92 5 50 Input kW 4 39 3 51 2 93 2 78 2 63 2 49 2 34 2 05 20 Capacity kW 14 10 11 28 9 40 8 46 7 99 7 05 6 58 6 11 Input kW 4 88 3 90 3 25 3 09 2 93 2 76 2 60 2 28 22 Capacity kW 15 51 12 41 10 34 9 31 8 79 7 76 7 24 6 72 Input kW 5 36 4 29 3 58 3 40 3 22 3 04 2 86 2 50 27 C Capacity kW 18 33 14 66 12 22 11 00 10 39 9 17 8 55 7 94 Input kW 6 34 5 07 4 23 4 01 3 80 3 59 3 38 2 96 10 Model 36 COOLING OUTDOOR CONDITIONS we sse ase Conditions onn 1083 1024 966 sse sse os _ 1208 1158 11 19 1050 977 TCD Sensitive capacity 966 924 890 ze 756 5200 Sensitive capacit
15. 900 Rated current A 5 5 5 8 8 6 COP Btu W h 10 9 11 5 10 6 Moisture Removal L h 3 0 3 0 4 8 Max input consumption 4620 4620 5870 8 5 8 5 10 7 Starting current A 31 31 41 C SBN303H8D C SBN303H8D C SBN373H8D Type SCROLL SCROLL SCROLL Brand SANYO SANYO SANYO Supplier SANYO Dalian SANYO Dalian SANYO Dalian Capacity Btu h 33500 33500 48123 Compressor Input 3650 3650 4750 Rated current RLA A 6 58 6 58 8 22 Locked rotor Amp LRA A 65 65 82 Thermal protector INNER INNER INNER Capacitor uF Refrigerant oil ml 1700 1700 1700 Model YDK56 6 YDK56 6 YDK56 6 Brand WELLING WELLING WELLING Indoor fan iua Input 137 137 137 Capacitor uF 3 3 3 Speed hi lo r min 670 565 670 565 670 565 Number of rows 2 2 2 Tubepitch a x row pitch b mm 21 13 37 21 13 37 21 13 37 Fin spacing mm 1 3 1 3 1 3 Indoor coil Fin type code Hydrophilic aluminium aluminium aluminium Tube outside dia and type mm 07 innergroove 7 innergroove 07 innergroove tube tube tube Coil length x height x width mm 1950x168x26 74 1950x168x26 74 1950x168x26 74 Indoor air flow Hi Lo m h 1600 1420 1600 1420 1600 1420 Indoor noise level Hi Lo dB A 47144 47144 47144 Dimension W H D body mm 840x310x840 840x310x840 840x310x840 Packing W H D body mm 1020x400x930 1020x400x930 1020x400x93
16. Cassette YKHC 18 to 48 SERVICE MANUAL YKHC 18 24 YKHC 30 YKHC 36 YKHC 48 al YORK 67 SM YKHC 18 48GB 03 07 How to read the model YKHC2FSBAAA Le Generation A First R New remote Range F Floor standing H High wall M Master range P Portable Y YORK R Everest front Family A Efficiency Ultra E Eco Ultra H Alps J Atlas Cassette L Ultra M Multi Ultra R Multi Inverter V Inverter Ultra U Ducted unit O Floor Ceiling Type C Set Cooling only D Outdoor Cooling only E Indoor Cooling only H Set Heat pump J Outdoor Heat pump K Indoor Heat pump M Multi Ultra R Multi Inverter V Inverter Ultra U Ducted unit O Floor Ceiling Refrigerant type A R22 R407C C Voltages A Out 220 240 1 50 In 220 240 1 50 C Out 380 3 50 In 220 240 1 50 Indoor options A Standard J Bio Screen filter Omit for outdoor units Outdoor options A Standard Low Ambient Kit C Power outdoor Omit for indoor units Indoors A Free matching multi S Single T Duct High Static U Duct standard case Compressor type A AC Inverter D DC Inverter F Fixed M Multi Capacity Btu h Four way Cassette Part1 Product features 1 Low operation noise Streamline plate ensures quietness Creates n
17. E N 1 100 208 BOARD SOCKETS BLUE N K1 EMP PROTECT SWITCH xx RT4 II TEMP SENSOR xtalol XI3 SWAY TERMINAL 5 RANSFORIER TO INDOOR XII TO INDOOR 24 4 48 Indoor unit 10 K3 DISPLAY BOARD WIRING DIAGRAM INDOOR UNIT CODE PART NAME 1 INDOOR CAPACITOR 1 16 BOARD SOCKETS 14 POWER TRANSFORMER FAN INDOOR FAN MOTOR K3 WATER LEVEL SWITCH M SWING MOTOR PUMP PUMP ROOM TEMPERATURE RT2 PIPE TEMPERATURE 1 2 7 CONNECTORS XS1 XS2 XS7 CONNECTORS XT1 XT2 6 TERMINAL POWER TO OUTDOOR UNIT TO OUTDOOR UNIT Outdoor unit WIRING DIAGRA 75 POWER 380V3N 50Hz CODE PART NAME Es TROL BOARD COMP COMPRESSOR FAN3 FAN4 TDOOR FAN d FAN CAP pu 33953 SN VALE m Ja 2 a 9992 KM KM1 AC CONTACTOR H 399 5 18 Ape pe 2 TERMINAL 2
18. ation under auto mode 5 1 6 Condenser high temperature protection 5 1 6 1Only available to cooling incl cooling mode cooling operation under auto mode and dehumidifying mode 5 1 6 2Delay protection should be performed when the compressor restarts 5 1 7 Water level protection 5 1 8 Outdoor protection When outdoor protection signal is high level outdoor unit will perform protection the whole machine will be shut down while the LED will indicate the corresponding protection signal The A C will recover if outdoor errors are eliminated after the outdoor protection occurs Only 3HP has outdoor protection function 20 5 2 Self diagnosis 5 2 1 Indoor unit No Type Contents LED Flashing Remark 1 protection Over current protection of the Lamps of operation timer Whole unit is shut down compressor occurs 4 times in 1h defrosting only fan flashing It cannot recover unless simultaneously at 5Hz power is cut off 2 protection Outdoor protection absent phrase All lamps flashing at 5 2 Recover automatically phrase sequence temperature after errors are protection eliminated For T3 3 error Room temperature sensor checking Timer lamp flashing at 5Hz malfunction of 5HP channel is abnormal 4 error Evaporator sensor checking channel is Operation lamp flashing at 5Hz automatically abnormal 5 error Condenser sensor checking c
19. atural and comfortable environment 2 Fresh air make life more healthy and comfortable Fresh air intake Fresh air 3 Efficient cooling Equal fast and wide range cooling Four way airflow 4 The adoption of the most advanced 3 Dimensional Screw fan Reduces the air resistance passing through Smoothes the air flow Makes air speed distribution to the heat exchange uniform 3 Dimensional Screw fan 5 Improvement for easy installation and maintenance Little space is required for installation into a shallow ceiling Because of the compactness and weight reduction of the main unit and panel all models can be installed without a hoist Part2 Specification Model YKHC 18 YKHC 24 Power supply Ph V Hz 1 220 240V 50Hz 1 220 240V 50Hz Capacity Btu h 18000 24000 Capacity kw 5 3 7 1 Cooling Input w 1900 2560 Rated current A 8 8 12 2 EER Btu W h 9 6 9 6 Capacity Btu h 20500 27300 Capacity kw 6 0 8 0 Heating Input w 1900 2500 Rated current A 8 8 11 COP B tu W h 10 7 10 9 Moisture Removal L h 1 8 24 Max input consumption w 2300 3300 Max current A 11 7 15 3 Starting current A 45 60 Model PA290X3CS 4MU1 C SBN303H8D Type ROTARY SCROLL Brand TOSHIBA SANYO Supplier SANYO Dalian Capacity 18362 24574 porum Iri w 1855 2440 Rated current RLA A 8 6 11 4 Locke
20. cting pipe drain pipe and cables To balance the ceiling and to avoid vibration please enforce the ceiling when necessary b Please select the position of installation hooks according to the hook holes on the installation board Drill four holes of 12mm 45 50mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 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 according to facts The length could be calculated from Charts Length H 181 L in general L is half of the whole length of the installation hook c Please adjust the hexangular nuts on the four installation hooks evenly to ensure the balance of the body If the drainpipe 18 awry leakage will be caused by the malfunction of the water level switch 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 12mm Refer to chart5 Locate the air conditioner firmly by wrenching the nuts after having adjusted the body s position well Drain side T Tubing side ane E Note MCA 18H C R 24000 30000Btu h 240 quee 1 36000 48000btu h B 310mm A LLL 222200240622 264 780 Hook location 840 Body
21. d 15 C lt T lt 30 C Breeze T 15 C Off During anti cold air period if indoor fan 1s shut down then pre heating defrosting lamp 1s on Once indoor fan starts pre heating defrosting lamp will be off 3 2 3 3 Auto fan of indoor fan under heating mode Condition Temp Setting Temp Indoor fan speed Room temp up lt 39 High T gt 3 C Low Room temp down gt 1 C Low lt 19 15 3 3 Defrost only available to heating mode 3 3 1 The defrosting of 2HP 3HP is processed by indoor control board 3 3 1 1 Defrosting Conditions 3 3 1 1 1 Low temperature defrosting condition Accumulated operating time when temperature of outdoor heat exchanger coil T3 is below 2 C reaches up to over 40 minutes 3 3 1 1 2 High temperature defrosting condition Under high temperature protection of evaporator the time when outdoor fan is shut down but compressor is not has been accumulated for up to 90 minutes It is considered that defrosting is performed when either 3 3 1 1 or 3 3 1 2 is met 3 3 1 2 Defrosting Action Four way valve and outdoor fan are shut down Indoor fan operates according to anti cold air function Compressor keeps on continuously 3 3 1 3 Ending Of Defrosting Condition It is considered that defrosting condition is ended when any of the conditions is met 3 3 1 3 1 Operating current of compressor reaches 1 5Ie 3 3 1 3 2 Time of defrosting reaches 10 min
22. d the panel s outlet has been reduced to about 4 6mm The edge of the panel should contact with the ceiling well Refer to chart 12 Malfunction described in Chart 13 can be caused by inappropriate tightness the screw If the gap between the panel and ceiling still exists after fastening the screws the height of the indoor unit should be modified again You can modify the height of the indoor unit through the openings on the panel s four corners if the lift of the indoor unit and the drainpipe is not influenced refer to chart 14 right 3 Hang the air in grid to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively 32 4 Relocate the air in grid in the procedure of reversed order install the air in grid Drain side Steel Swing motor installation cover 5 Chart 13 Swing motor side Bolt washer Chart 11 Inlet ait Panel sealing foam Ouletar Panel a Panel Chart 14 Chart 12 33 3 Indoor unit installation 24 48 1 Install the main body A The existing ceiling to be horizontal a Please cut a quadrangular hole of 880X880mm in the ceiling according to the shape of the installation paper board Refer to Chart3 4 The center of the hole should be at the same position of that of the air conditioner body Determine the lengths and outlets of the conne
23. d 1 Electric heater for compressor 1 16 Condenser pipe temp sensor 1 17 Wire joint for multiplexer 2 49 4 481 60 Part Quantity No Part Name Quantity 1 Guard fan 2 16 box ass y 1 2 Cabinet Front 1 17 Capacitor Fan Motor 2 3 Fan Propeller 2 18 Terminal Block 2p 3 4 Fan motor Down 1 19 Contactor 1 5 Motor 1 20 Low Pressure Valve 3 8 1 6 Mount Fan Motor 1 21 Ass y 1 7 Top Ass y 1 22 Terminal Block 4p 1 8 Condenser Up 1 23 Wire joint for power 1 Condenser Down 1 24 Compressor 1 9 Left Side Cabinet 1 25 Refrigerator Container 1 10 Supporter Rear Cabinet 1 26 Fixture Segregator 1 11 Cabinet Back side 1 27 High Pressure Valve 1 12 Handle 2 27 Capillary Tube 1 13 Plate Sound proof 1 28 Electric heat belt for comp 1 14 Ass y 1 29 Discharge temp controller 1 15 Cabinet Front Side 1 50 CONTRSLS www johnsonc SM YKHC 18 48GB 03 07
24. d rotor Amp LRA A 80 85 Thermal protector INNER INNER Capacitor uF 50 50 Refrigerant oil ml 750 950 Model YDK45 4F YDK55 6 Brand WELING WELING Indoor fan motor Input VV 63 120 Capacitor uF 2 5 3 5 Speed hi lo r min 930 830 680 600 Number of rows 2 2 Tubepitch a x row pitch b mm 21x13 37 21x13 37 Fin spacing mm 1 3 1 3 gt V gt V gt Hydrophilic Hydrophilic aluminium aluminium _ 07 innergroove 07 innergroove tube tube Coil length x height x width mm 1185x210 x26 7 1950 126 26 74 Indoor air flow 860 760 1050 900 Indoor noise level dB A 43 40 43 40 Dimension W H D body mm 580 x254 x580 840 240 x840 Packing W H D body mm 750 340 750 1020 330 930 Net Gross weight body kg 21 30 36 46 Indoor unit Dimension W H D panel mm 650 x30 650 950 x40 x950 Packing W H D panel mm 715 115 x715 1030 x145x1030 Net Gross weight panel kg 3 5 6 11 Model YDK53 6K YDK53 6H Brand WELLING WELLING Outdoor fan _ Input W 130 130 Capacitor uF 2 5 3 Speed r min 750 800 Number of rows 2 2 Tube pitch a x row pitch b mm 25 4 x22 25 4 x22 Fin spacing mm 1 8 1 5 Outdoor coil Fin type eae 4 1 Tube dia and type mm 9952 2953 innergroove tube innergroove tube Coil length x height x width mm 775 660 x44 850 x810 x44 Number of circuits 3 4 Outdoor air flow 240
25. e unit stops including drain pump and warning signal can t disappear It recover unless out of power 18 5 Trouble Shooting 5 1 Protective Function 5 1 1 3 minute delay for the compressor start up At the beginning of energizing or after the stop of the compressor 3 minute delay will be needed to start the compressor When switchover between cooling heating mode the compressor stops automatically 5 1 2 Compressor current overload protection 5 1 2 1 3HP compressor current examination and action current 3 seconds later the compressor outdoor fan close down 13 5 minutes later the compressor outdoor fan close down 12 restart the outdoor fan Recover works only when heating Remark rating current I 1 3 time Ie b 1 5 time Ie 1 2 0 time Ie a The compressor and outdoor fan closed for protection purpose will restart after 3 minutes b During the protection the indoor fan continues working in a set speed while the anti cold air function when heating and the compressor will be 3 minutes delayed to shut down for protection c When there are 4 times compressor protection within one hour the A C will be shut down meanwhile the operation light and timer light will be turned on the defrosting light flashes in a frequency of 0 5Hz This situation will be recovered only when power is switched off 5 122 If the AC don t check the compressor current through electric control system the
26. econd and the indicator turn off 3 1 3 Manual Action 3 1 3 1 Under this mode the remote signal will be received and corresponding actions will be taken accordingly upon the receipt of the remote signal 3 1 3 2 On entering this mode the buzzer will buzz for 0 5 second and the indicator on 3 1 3 3 The system will operate under the auto mode whose temperature is set to be 24 C and at the same time the wind grille will swing automatically 3 1 3 4 Under this mode corresponding protections are in effective 3 1 3 5 Push manual pad to end this mode and switch over to manual cooling mode 14 3 2 3 2 1 Four way valve opens at once while defrosting process closes 3 2 2 Condition for the compressor action Ts set temperature Ta room temperature Condition Compressor Outdoor fan Room temp up Ta gt Ts 4 Off Off lt 5 4 Room temp down lt Ts 3 On On Ta gt Tst 3 Off Off 3 2 3 Indoor Fan Action 3 2 3 1 Anytime remote switchover for fan speed among high low auto anti cold air function takes priority 3 2 3 2 Anti cold air Switchover between fan speed and fine tune can be set according to temperature of evaporator pipe Condition Indoor fan speed T Indoor exchanger temp Indoor exchanger temp up T lt 25 C Off 25 C lt T lt 32 C Breeze T gt 32 C Setting fan speed Indoor exchanger temp down T gt 30 C Setting fan spee
27. eiling Please first guarantee the flatness and horizontal of ceiling when installing it Refer to the A a mentioned above for others c Refer to the A c mentioned above for installation d Remove the installation paper board 31 2 Install The Panel Cautions Never put the panel face down on floor or against the wall or on bulgy objects Never crash or strike it 1 Remove the inlet grid a Slide two grid switches toward the middle at the same time and then pull them up Refer to chart 9 b Draw the grid up to an angle of about 30 and remove it Refer to chart 10 Chart9 Chart10 2 Install the panel a Align the swing motor on the panel to the water receiver of the body properly Refer to chart 11 b Hang the four fixed rope of the main body to the installation cover and the other three covers of the swing motor Refer to chart 11 CAUTIONS The installation cover of the swing motor must sink into the corresponding water receiver c Install the panel on the main body with bolt M5 X16 and washer Refer to chart 11 d Adjust the four panel hook screws to keep the panel horizontal and screw them up to the ceiling evenly e Regulate the panel in the direction of the arrow in Chart 11 3 slightly to fit the panel s center to the center of the ceiling s opening Guarantee that hooks of four corners are fixed well f Keep fastening the screws under the panel hooks until the thickness of the sponge between the body an
28. hannel is Defrosting lamp flashing at 5Hz abnormal 6 error Temperature fuse is melt reserved Operation lamp and timer lamp flashing at SHz 5 2 2 LEDs for the indication of outdoor trouble 3 phase type 3 5 5HP Type Contents LEDI LED2 LED3 Trouble Phase sequence Flash Off Off Trouble Lack of phase Flash Off Off Trouble Protection of pressure Flash Flash Off Trouble Overload of current Off Off Flash Trouble Open circuit and short circuit trouble of T3 Off Flash Flash Trouble Open circuit and short circuit trouble of T4 Off Flash Off Trouble High temperature protection of condenser Flash Flash Flash 21 Part8 Wiring diagram 1 YKHC 12 18 Indoor unit DISPLAY BOARD INDOOR WIRING DIAGRAM PART NAME INDOOR FAN CAPACITOR 16 P C BOND SOCKETS PONER TRANSFORMER INDOOR FAN MOTOR WATER LEVEL SNITCH MING MOTOR II C21621 TO OUTDOOR UNIT TO OUTDOOR UNIT INDOOR POWER Outdoor unit BLUE N XS COMP CAP TT BLUE R WHITE 8 BLUE RED R S comp p BLUE ail Bs 4 WAY VALVE W RED TEMPERATURE SENSOR OF WI R NG D AGRAM CONDENSATOR slg OUTDOOR UNIT LT 3 4 Y G TO INDOOR UNIT TO INDOOR UNIT 22 2 24 Indoor unit Outdoo
29. hooks of corresponding water receiver Then hang the other two panel hooks onto corresponding hangers of the body c Adjust the four panel hook screws to keep the panel horizontal and screw them up to the ceiling evenly d Regulate the panel in the direction of the arrow in Chart11 4 slightly to fit the panel s center to the center of the ceiling s opening Guarantee that hooks of four corners are fixed well e Keep fastening the screws under the panel hooks until the thickness of the sponge between the body and the panel s outlet has been reduced to about 4 6mm The edge of the panel should contact with the ceiling well Refer to chart 12 35 Malfunction described in Chart13 be caused by inappropriate tightness the screw If the gap between the panel and ceiling still exists after fastening the screws the height of the indoor unit should be modified again Refer to chart 14 left You can modify the height of the indoor unit through the openings on the panel s four corners if the lift of the indoor unit and the drainpipe is not influenced refer to chart 14 right 4 Hang the air in grid to the panel then connect the lead terminator of the swing motor and that of the control box with corresponding terminators on the body respectively 5 Relocate the air in grid in the procedure of reversed order 6 Relocate the installation cover a Fasten the rope of installation cover on the bolt of the installation cover Refer to chart 15
30. i Drain hole Do 2 Hn 2 oy LI AS d e 40 200 E 310 Outdoor units 1 YKJC 12 18 2 24 1013 3 30 YKJC 36 1071 4 4 YKJC 48 28 Part10 Installation 1 Installation place A place where there is enough room for installation and maintenance Refer to Chart 1 The ceiling is structurally sound to hold the Indoor Unit A place that is well ventilated and the influence of weather is the least A place that the airflow can reach every corners of the room A place where the drain pipe can reach out easily N YKHC 12 18 Necessary room YKHC 24 Series 260 mm Necessary room 30 36 48 Series 330 mm 2 intlet outlet 8s Outlet Inet Ground Install the outdoor unit on a rigid base to prevent increasing noise level and vibration Determine the air outlet direction where the discharged air is not blocked In the case that the installation place is exposed to strong wind such as a seaside or high position secure the normal fan operation by putting the unit length wise along the wall or using a duct or shield plates Specially in windy area install the unit to prevent the admission of wind Wall
31. ity kW 7 20 5 76 4 80 4 32 4 08 3 60 3 36 3 12 Input kW 2 28 1 82 1 52 1 44 1 37 1 29 1 22 1 06 18 C Capacity kW 8 10 6 48 5 40 4 86 4 59 4 05 3 78 3 51 Input kW 2 57 2 05 1 71 1 62 1 54 1 45 1 37 1 20 20 Capacity kW 9 00 7 20 6 00 5 40 5 10 4 50 4 20 3 90 Input kW 2 85 2 28 1 90 1 81 1 71 1 62 1 52 1 33 22 Capacity kW 9 90 7 92 6 60 5 94 5 61 4 95 4 62 4 29 Input kW 3 14 2 51 2 09 1 99 1 88 1 78 1 67 1 46 27 Capacity kW 11 70 9 36 7 80 7 02 6 63 5 85 5 46 5 07 Input kW 3 71 2 96 2 47 2 35 2 22 2 10 1 98 1 73 Model 24 COOLING OUTDOOR CONDITIONS mL are fe pee Totalcapacitykw 817 781 753 63 2 179 230 256 282 307 333 55 Model YKHC 24 HEATING OUTDOOR CONDITIONS Indoor 24 C D 12 CD TCD 4CD 5 C D TC D 15 C D Conditions 18 C W 11 C W 6 C W W 1 C W 6 C W 8 C W 16 C W 15 C Capacity kW 9 60 7 68 6 40 5 76 5 44 4 80 4 48 4 16 Input kW 3 00 2 40 2 00 1 90 1 80 1 70 1 60 1 40 18 C Capacity kW 10 80 8 64 7 20 6 48 6 12 5 40 5 04 4 68 Input kW 3 38 2 70 2 25 2 14 2 03 1 91 1 80 1 58 20 C Capacity kW 12 00 9 60 8 00 7 20 6 80 6 00 5 60 5 20 Input kW 3 75 3 00 2 50 2 38 2 25 2 13 2 00 1 75 22 Capacity kW 13 20 10 56 8 80 7 92 7 48 6 60 6 16 5 72 Input kW 4 13 3 30 2 75 2 61 2 48 2 34 2 20 1 93 27 Capacity kW 15 60 12 48 10 40 9 3
32. left b Press the installation cover into the panel slightly Refer to chart 15 right TUM joint CD LLLLLLLLLLLELLLLLLLL LL Outlet joint 52 Bo 57 Leakage 1 1 ution M Water condensation Chart 13 Loosen upper nut I c Chart 44 Ci 2 Adjust lower nut panel foam 2 Installation cover s rope Tap Screw Slide the four sliders in the corresponding channel when installing Chart 15 the cover Chart 12 36 3 Installation of Flange and duct Fresh air is intaken by indoor fan motors or ductable fan motor devices on field The positions of fresh air intakecan be changed according to the installation of ductable fan motor 96 446 Hole 57 80 Note 1 The device can be installed in ceiling cassette type indoor units several direction flow 2 When installing the device duct 15 needed on field and the rated diameter is 75mm 3 When metal duct pass through wooden wall electric insulation must be add between duct and wall The duct must be pulled out downside to prevent rain and water entering Net cover must be set at places where duct explodes to outdoor air to prevent birds and animals entering For different type of indoor units the installation methods are different and the position of holes are different 1 Removal
33. lling cover 4 2 Stopper Water Drain 1 31 Louver motor 1 3 E Parts Box Coverl 1 22 Louver 4 4 Fan motor capacitor 1 33 Filter 1 5 E Parts Box 1 34 Grille switch 2 6 E Parts Cover2 1 35 Grille switch cover 1 7 Transformer 1 36 Grille 1 8 Main control board 1 37 Hanger for panel assy 4 9 Wind inlet guide 1 38 Control box 1 10 nut 1 39 LED holder 1 Display board 5 11 Fan clamp 1 40 1 12 Fan 1 41 Control box cover 1 13 Fan Motor 1 42 Panel 1 14 Gasket for motor 6 43 Back board Air out 1 1 15 Evaporator base assy 1 44 Back board Air out 2 1 16 Chassis 1 45 Back board Air out 3 1 16 Wire clamp board 1 46 Back board Air out 4 1 17 Sealing board pipe 1 47 Foam air out 1 4 18 Installation hanger 4 47 Foam air out 2 4 19 Expandable hanger 4 48 Fixing hanger 1 Evaporator 1 20 Drain pump 1 49 Fixing hanger Evaporator 1 21 Water depth sensor 1 50 Inlet pipe for evaporator 1 22 Water pipe clamp 1 51 Outlet pipe for evaporator 1 23 Water pipe 1 52 Evaporator 1 24 Extended water pipe 1 55 Fixing board Evaporator 1 25 Separating board pump 1 54 Rubber wire crossing 1 26 Rubber washer pump 3 55 Evaporator temp sensor 1 27 Pump holder 1 56 Indoor temp sensor 1 28 Water trying board 1 57 Remote Controller 1 29 Panel Ass y 1 46 Outdoor units 1 YKJC 12 18 No Part Name Quanti
34. mitted has run out of power When the battery was transmission signals can not be sent 41 Temperature display disappear Symptom Checking items Cause Temperature Display does not light Check if the mode display on the LCD is FAN ONLY You can not set the temperature when the unit is on FAN ONLY mode The Display Goes Off Symptom Checking items Cause The the disappears after a lapse of time indication on display Check whether operation has come to an end the OFF TIMER indicated on the display timer when is The air conditioner operation stops since the set time elapsed The ON TIMER indicators go after a lapse of certain time Check whether operation is started when the ON TIMER is indicated on the display timer When the time start the air conditioner is reached the air conditioner set to will automatically start and the appropriate indicator will go off The Signal Receiving Tone does Not Sound Symptom Checking items Cause No receiving tone sounds from the indoor unit even when the Check the transmitter of the remote controller whether signal Direct the signal transmitter of the remote controller to the receiver of the indoor unit ON OFF button is pushed is properly directed to the receiver and then repeatly push the ON OFF button of the indoor unit
35. n use compressor self current protection 5 1 2 2 AHP 3N 5HP compressor current is checked by outdoor main board The protection principle is as following In any case after the compressor starts if a Only in heating mode when current is higher than 1 51 then outdoor fan will shut off When compressor current is less than 1 31 then restart outdoor fan and recover operation b when current is higher than 1 51 and time is up to 20seconds compressor and outdoor fan will shut down At the same time cut down outdoor protection communication wiring protection malfunction will be indicated by indoor unit and 3minutes later restart compressor 19 5 1 3 Evaporator protection against high temperature heating mode Only available to heating mode including heating mode heating operation under auto mode Note During protection the indoor fan continues operating at a setting speed while the anti cold air function of heating and the compressor will be 3 minute delayed to shut down for protection 5 1 4 Evaporator Protection against low temperature cooling mode 5 1 4 1 When the evaporator pipe temperature lt 3 c and this lasts for 3 minutes the compressor and outdoor fan will be shut off 5 1 4 2 When the evaporator pipe temperature 2 7 c it recovers 5 1 4 3 The restart of the compressor shall execute the delay protection 5 1 5 Anti cold air protection Only available to heating mode including heating mode heating oper
36. ndoor 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 15 adjusted well Whether the indicator lights normally Whether the drainage is normal Whether there is vibration or abnormal noise during operation Outdoor unit Whether there is vibration or abnormal noise during operation Whether the generated wind noise or condensed of by the air conditioner have influenced your neighborhood Whether any of the refrigerant is leaked 40 11 Servicing and maintenance 1 Troubles and Solutions If any the following abnormal conditions occur turn off the power supply immediately Please contact our dealer TROUBLES situation is the same Indicator lamps flash rapidly after your disconnecting and connecting the unit the Fuse or circuit breaker work frequently Foreign matter or water has fallen into the unit Remote controller is disabled or the switch is out of hand Any other unusual conditioner is observed If any of the following conditions occur check your unit and resolve corresponding problems referring to given remediation If the trouble can t be settled contact our dealer Trouble Cause Solutions Unit does not start Power failure Wait for the comeback of power Power switch is open Switch on the power Fuse of
37. ne way pipe is less than 8m additional refrigerant charge after vacuuming is not necessary When the length of one way pipe is over 8m the quantity to be added is as follows unit in gram Connective pipe length Air purging method Additional amount of refrigerant to be charged Less than 8m Use refrigerant of outdoor unit fri t is dom pump or reser 30g length 8m capacity lt 20000btu h cylinder 65g length 8m capacity 2 24000btu h 6 Connect the drain pipe 7 Wiring Please refer to the Wiring Diagram 8 Test operation 1 The test operation must be carried out after the entire installation has been completed 2 Please confirm the following points before the test operation The indoor unit and outdoor unit installed properly Tubing and wiring are correctly completed The refrigerant pipe system 1s 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 1s pre heated by turning on the power 3 According to the user s requirement install the remote controller when the remote controller s signal can reach the indoor unit smoothly 4 Test operation I
38. operation with a set temperature of Ts 1 c refer to the heating mode However the cool only model will be in low fan 3 6 2 2 When Ts 2 c gt Ta gt Ts 1 c control according to cooling auto fan with a set temperature of 23 c 3 6 2 3 When Ta gt Ts 2 it performs the cooling operation with a set temperature of Ts refer to the cooling mode 3 6 3 After one mode is chosen if the condition Ta gt Ts 1 c or Ta Ts 1 c lasts for 15 minutes meanwhile the compressor doesn t start up within consecutive 15 minutes the operation mode will be re chosen according to the Ta and Ts 3 6 4 Protective condition is actived 3 7 Fan Only Mode 3 7 1 Under this mode four way valve compressor and outdoor fan are shut down 3 7 2 High Low Auto fan can be switched over through manual control Auto fan will be controlled in line with cooling auto fan with temperature set to be 23 C 3 7 3 After entering fan mode the operating indicator is on If the model 1s cooling only mode fan indicator 15 on at the same time 17 4 Other Functions 4 1 LED Display Operation lamp timer lamp defrosting pre heating lamp and water level alarm lamp 4 1 1 Operation Lamp When the operation is recovering it will blink at 1 Hz After the unit is on the lamp will keep on After the unit is off the lamp will be off When the unit is switched over from manual cooling to remote control the lamp will be off 4 1 2 Timer Lamp During timer operation
39. or for cooling only A C 2 4 2 LED indicates errors when protection is in effective 2 5 Four way Valve It is controlled by relays 2 6 Condensate Pump It is controlled by relays 13 3 Operation Modes and Functions 3 1 Manual Operation 3 1 1 The manual operation mode is controlled through manual pad in the wind in take grid including such two modes as manual action and manual cooling Push the manual pad for each switchover the order for which is shown below REMOTE CONTROL MANUAL ACTION MANUAL COOLING 31 2 Manual Cooling 3 1 2 1 Under this mode no remote control signal will be received 3 1 2 2 The compressor is started up unconditionally and the rotating speed of indoor and outdoor fans is set to be in high and forced cooling operation 3 1 2 3 Under this mode the buzzer will buzz twice with each lasting 0 5 second at 0 5 interval During the first 30 minutes of unconditional forced cooling operation the operation indicator will blink at 0 5Hz In the process of switchover to manual action mode the buzzer buzzes for 0 5 second and the indicator is illuminated 3 1 2 4 Under this mode the corresponding protections are in effective 3 minute delayed start up over current outdoor protection and evaporator low temperature protection Corresponding protection will act once any protection is in active Push manual pad once to end this mode and enter the remote control pending status The buzzer will buzz for 1 s
40. or obstacle 22 gt gt 5 Air inlet Stron une 29 2 Indoor unit installation 12 18 1 Install the main body A The existing ceiling to be horizontal a Please cut a quadrangular hole of 600X600mm in the ceiling according to the shape of the installation paper board The center of the hole should be at the same position of that of the air conditioner body Determine the lengths and outlets of the connecting pipe drain pipe and cables To balance the ceiling and to avoid vibration please enforce the ceiling when necessary b Please select the position of installation hooks according to the hook holes on the installation board Drill four holes of 12mm 50 55mm deep at the selected positions on the ceiling Then embed the expansible hooks fittings 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 according to facts Cut the installation hook open in the middle position then use appropriate length of reinforcing rod 012 to weld together The length could be calculated from Chart5 Length 210 L in general L is half of the whole length of the installation hook c Please adjust the hexangular nuts on the four installation hooks evenly to ensure the balance of the body Use
41. power switch may have blown Replace the fuse Batteries of remote controller are exhausted Replace the batteries The time is not start up time you have set Wait or cancel the time set Air flowing normally with low cooling heating effect Temperature is not set correctly Set the temperature properly Door or window is open Close door and window Air filter is blocked with dust or dirtiness Clean the air filter Inlet outlet of indoor outdoor units are blocked Clear all blockages Inlet outlet of indoor outdoor units are blocked Clear the blockage then restart your operation Be in 3 minutes protection of compressor Wait NOTE Do not replace electric wire or repair the air conditioner by yourself to avoid possible danger 2 Troubles and solutions concerning the remote controller Please make the following check before asking for repair or maintenance Trouble Cause Solutions CAN NOT CHANGE THE Check if the mode display on the The Indoor Unit will select fan speed FAN SPEED SETTING LCD is AUTO automatically when AUTO mode is selected Check if the mode display on the The Indoor Unit will select fan speed LCD is DRY automatically when the unit is on DRY mode The transmission symbol does not flash Symptom Checking items Cause Press ON OFF button the remote Check if the remote controller controlling signals can not be trans
42. r unit DISPLAY BOARD a WIRING DIAGRAM CINDOOR UNIT I I I I I I I PART 1 INDOOR camorro 1 16 P C BOARD SOCIETS T4 PONER TRANSFORMER I I FANT INDOOR FAN MOTOR 1 I WATER LEVEL SWITCH 1 M SWING MOTOR 1 PUMP PUMP 1 RTI ROOM TEMPERATURE 1 12 PIPE TEMPERATURE XP1 XP7 CONNECTORS 1 a XS1 X87 CONNECTORS I I 15 XII x12 G WAY TERMI NAL Eg CURRENT INDUCTOR 1 Eu TERMI NAL I I I Xm I 28 Eu TO OUTDOOR TO OUTDOOR INDOOR POWER CZ VALVE WIRI NG DI AGRAM BLUE RED OUTDOOR UNIT FN 5 CODE PART NAME gt 1 COMPRESSOR RUN CAPACITOR db 2 OUTDOOR CAPACITOR BLACK BLACK WHITE RED RED RED RED EY FAN OUTDOOR FAN KM1 AC CONTACTOR I IM RT3 PIPE TEMPERATURE SENSOR BLACK RED 51 XS1 XP1 CONNECTORS XII 5 WAY TERMINAL CI 2 2 WAY TERMINAL XT3
43. the transparent hose filled with water to check the lever of the main body from the four sides or diagonal line direction the lever indicator also can check the lever from four sides of the main body Refer to chart 6 If the drainpipe 18 awry leakage will be caused by the malfunction of the water level switch 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 12mm Refer to chart5 Locate the air conditioner firmly by wrenching the nuts after having adjusted the body s position well Drain side 1 1 580 Bod 600 Ceiling hole 611 Hook location 30 2 F P Ceiling DoxPanel 600 height Ceiling Fixing hole ee Installation pager board ___ Installation a T EN paper board Screw M5 16 Accessory 7 8 New built houses and ceilings a In the case of new built house the hook can be embedded in advance refer to the A b mentioned above But it should be strong enough to bear the indoor unit and will not become loose because of concrete shrinking b After installing the body please fasten the installation paper board onto the air conditioner with bolts M5 X16 to determine in advance the sizes and positions of the hole opening on c
44. tion of Defrost Operate in normal heating mode After defrost stops indoor fan starts to operate according to anti cold air condition 16 3 4 Cooling Mode 3 4 1 Four way valve is closed If four way valve is open before the mechine enters cooling mode then four way valve will be closed at the first time the compressor starts under the cooling mode 3 4 2 Conditions for the compressor and outdoor fan action Ts set temperature Ta room temperature Condition Compressor Outdoor fan Room temp up gt Ts 1 lt Ts 1 Off Off Room temp down gt Ts Ta Ts Off Off 3 4 3 Action of Indoor Fan 3 4 3 1 HIGH LOW AUTO fan can be switched over for your comfort 3 4 3 2 Auto fan under cooling mode Condition T Indoor Temp Setting Temp Indoor fan speed Temp up lt 49 gt 4 High Temp down gt 1 C High lt 19 Low 3 5 Dehumidifying Mode 3 5 1 Dehumidifying mode is the cooling operation under which the indoor fan is high and outdoor fan is low 3 5 2 Protective condition is actived 3 6 Auto Mode 3 6 1 Under auto mode the indoor fan is set to be auto refer to auto fan under cooling heating 3 6 2 When entering auto mode the heating fan only or cooling operation will be automatically chosen according to the room temperature Ta and the set temperature Ts 3 6 2 1 When Ta lt Ts 190 it performs the heating
45. ty No Part Name Quantity 1 Clamp for front net 8 19 Wire joint 1 2 Front net 1 20 board 1 Front clapboard 1 21__ board for E parts 1 4 Propeller fan 1 22 Washer for wire joint 1 5 1 23 Clamp for wiring 1 6 Holder for fan motor 1 24 Compressor capacitor 1 7 Foam over holder for motor 1 25 clamp 1 8 1 26 Chassis 1 9 Little handle 1 27 Frontright clapboard 1 10 Condenser 1 28 Compressor 1 11 Support board motor holder 1 29 Rubber underlay compressor 3 12 Left clapboard 1 30 Liquid valve assy 1 13 Rear net 1 31 Liquid pipe valve 1 14 Rear right clapboard 1 32 Ways valve assy 1 15 Big handle 1 33 pipe valve 1 16 Installation plate for valves 1 34 Four way Valve 1 17 Water collector 1 35 Copper nut TLM B02 1 18 Fan motor capacitor 1 47 2 24 Quantity No Part Name Quantity 1 Clamp for front net 8 2 Wiring Installation Panel 1 2 Front net 1 22 Contactor AC 1 3 clapboard 1 23 Terminal Block 5p 1 4 Propeller fan 1 24 Washer for wire joint 1 5 motor 1 25 Wire Clamp 1 6 Holder for fan motor 1 26 Running Capacitor Compressor 1 7 over holder for motor 1 27 Clamp 1 8 Cover 1 28 Pan Ass y 1 9 Little handle 1 29 Cabinet Front Right 1 10 Condenser Ass y
46. uct to the flange the flange is assembled with the interface of duct 2 After connection use the ethylene tape provided on field to wrap the joint to prevent air leakage Flange Wrap the joint to prevent air leakage 75 Duct on field Airproof Adhesive Tape Note 1 ducts must be completely heat insulated 2 The following phenomenon are not allowed when installing duct A Bend too much 8 Too many bender C diameter reduce a Wrong Wrong Wrong 38 4 Install outdoor unit 5 Refrigerant pipe connecting 1 Piping sizes Model Btu h Liquid mm inch Gas mm inch 18 000 6 35 1 4 12 7 1 2 24 000 9 53 3 8 16 0 5 8 30 000 60 000 12 7 1 2 19 0 3 4 2 Piping connection 1 Measure the necessary length of the connecting pipe and make it by the following way a Connect the indoor unit at first then the outdoor unit Bend the tubing in proper way Do not harm them CAUTIONS Daub the surfaces of the flare pipe and the joint nuts with frozen oil and wrench it for 3 4 rounds With hands before fasten the flare nuts Be sure to use two wrenches simultaneously when you connect or disconnect the pipes Tubing size Torque 6 35 1420 1720N cm 144 176kgf cm 9 52 3270 3990N cm 333 407kgf cm 12 7 4950 6030N cm 504 6 1 6kgf cm 16 6180 7540N cm 630 770kgf cm 19 9720 11860N cm 990 12106kgf cm b The stop value of
47. utes 3 3 1 3 3 Temperature of outdoor coil T3 is up to 20 C 3 3 1 4 Ending Action of Defrost 3 3 1 4 1 Outdoor fan and four way valve are open 3 3 1 4 2 Compressor keeps on continuously 3 3 1 4 3 Indoor fan acts according to anti cold air function 3 3 1 4 4 Defrosting pre heating lamp continues to be on until indoor fan starts up 3 3 2 The defrosting of 3 5 5HP 3N is processed by outdoor control board 3 3 2 1 Defrosting Conditions any of the following conditions is meet 3 3 2 1 1 Under indoor pipe high temperature protection in heating mode accumulated operating time 15 up to 90 minutes 1f outdoor fan 1s off and compressor are cut down time again 3 3 2 1 2 When gt 8 C 1min process the normal defrost mode compressor operates continue 40 minute the accumulated time up to 40 minutes when pipe temperature sensor lt 2 C if compressor is off time again when defrosting ends check T4 again 3 3 2 2 Defrosting Action When defrosting the outdoor four way valve is power off defrosting valve is power on outdoor fan 15 off compressor operate continue indoor fan operates according to anti cold air condition in heating mode If indoor fan is to be off cut down the electric auxiliary heater and after 15 seconds cut down indoor fan 3 3 2 3 Ending Action of Defrost any of the following conditions is met 3 3 2 3 1 Time of defrosting reaches 10 minutes 3 3 2 3 2 Temperature of outdoor coil T3 is up to 20 3 3 2 4 Ending Ac
48. y 1024 966 927 8 969 Model YKHC 36 HEATING OUTDOOR CONDITIONS Indoor 24 C D 12 CD TCD 4CD 0C D 5 C D TC D 15 C D Conditions 18 C W 11 C W 6 C W 3 C W 1 C W 6 C W 8 C W 16 C W 15 C Capacity kW 13 68 10 94 9 12 8 21 7 75 6 84 6 38 5 93 Input kW 4 02 3 22 2 68 2 55 2 41 2 28 2 14 1 88 18 Capacity kW 15 39 12 31 10 26 9 23 8 72 7 70 7 18 6 67 Input kW 4 52 3 62 3 02 2 86 2 71 2 56 2 41 2 11 20 Capacity kW 17 10 13 68 11 40 10 26 9 69 8 55 7 98 7 41 Input kW 5 03 4 02 3 35 3 18 3 02 2 85 2 68 2 35 22 Capacity kW 18 81 15 05 12 54 11 29 10 66 9 41 8 78 8 15 Input kW 5 53 4 42 3 69 3 50 3 32 3 13 2 95 2 58 27 C Capacity kW 22 23 17 78 14 82 13 34 12 60 11 12 10 37 9 63 Input kW 6 53 5 23 4 36 4 14 3 92 3 70 3 48 3 05 11 Model 48 COOLING OUTDOOR CONDITIONS 276 ae we se ase Conditions on XV 1610 1540 1484 1400 1344 1302 12 60 _ ae w Sensitive capacity k 1481 1417 13 65 1288 1236 11 98 11 59 Input kW 378 432 486 541 595 649 Model YKHC 48 HEATING OUTDOOR CONDITIONS Indoor 24 C D 12 CD TCD 4CD 0C D 5 C D TC 15 C D Conditions 18 C W 11 C W 6 W 3 C W 1 C W 6 C W 8 C W 16 C W 15 C Capacity kW 18 24 14 59 1
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