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Contents

Functions .................................................................................................................................3

Product Specifications (Cooling & Heating).........................................................................5

Dimensions ..............................................................................................................................6

Refrigeration Cycle Diagram ..................................................................................................8

Wiring Diagram........................................................................................................................9

Operation Details ..................................................................................................................10

Display Function ...................................................................................................................18

Self-diagnosis Function........................................................................................................18

Installation .............................................................................................................................19

Operation ...............................................................................................................................36

Disassembly of the parts (Indoor Unit) ...............................................................................38

Cycle.......................................................................................................................................42

Cycle Troubleshooting Guide...............................................................................................45

Electronic Parts Troubleshooting Guide.............................................................................46

Electronic control device......................................................................................................50

Schematic Diagram ...............................................................................................................51

Exploded View and Replacement Parts List.......................................................................52

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Содержание CV-H186BLB0

Страница 1: ...Room Air Conditioner Convertible Type SERVICE MANUAL MODEL CV H186BLB0 CV H246BLB0 Applied to new Refrigerant R 407C ...

Страница 2: ...am 9 Operation Details 10 Display Function 18 Self diagnosis Function 18 Installation 19 Operation 36 Disassembly of the parts Indoor Unit 38 Cycle 42 Cycle Troubleshooting Guide 45 Electronic Parts Troubleshooting Guide 46 Electronic control device 50 Schematic Diagram 51 Exploded View and Replacement Parts List 52 2 ...

Страница 3: ...speed is automatically switched from high to low speed The louver can be set at the desired position or swing up and down right and left not on all models automatically The setting temperature indoor fan speed and desired operation made are automatically set by fuzzy rule Indoor Unit Operation ON OFF by Remote controller Sensing the Room Temperature Room temperature control Starting Current Contro...

Страница 4: ...ncel Sleep Operation Airflow Direction Control Cooling model only Heating model only TEMPERATURE LOW HIGH Low Med High CHAOS Cooling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode ON OFF SET CANCEL High 39 C Í LOW 11 C OFF ON OFF Í ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7hr Off Timer Fan Operates without cooling Cooling Heating Down to 18 C Up to 30 C ...

Страница 5: ...Operation Drain Hose Connecting Wire Main Power Cable Time Delay Safety Function Air Circulation Soft Dry Fan Speed Indoor Timer Self Diagnosis Auto Restart Air Circulation m3 min W A Dimensions W x H x D Net Weight mm kg Service Valve Connecting Tube CV H186BLB0 CV H246BLB0 19 000 4 788 23 300 6 048 19 000 4 788 23 300 6 048 2 5 3 5 3ø 220 240V 50Hz 13 5 15 45 50 2 050 2 600 2 000 2 550 9 0 11 8 ...

Страница 6: ...Dimensions 1 Indoor Unit 250mm 36mm 36mm 1076mm 1200mm 205mm 615mm 392mm 265mm 468mm R 63mm 38mm 175mm Installation Plate Rear Side 6 ...

Страница 7: ...e Liquid side 3 way valve W L6 L7 L8 L9 L4 L11 L10 D L1 L2 L5 L3 MODEL DIM W mm 870 H mm 655 D mm 320 L1 mm 370 L2 mm 25 L3 mm 340 L4 mm 630 L5 mm 25 L6 mm 546 L7 mm 162 L8 mm 162 L9 mm 54 L10 mm 74 5 L11 mm 79 7 CV H186BLB0 CV H246BLB0 ...

Страница 8: ...s installed at a distance of 15m 300g of refrigerant should be added 15 7 5 x 30g 225g INDOOR UNIT OUTDOOR UNIT HEAT EXCHANGER HEAT EXCHANGER COMPRESSOR GAS SIDE LIQUID SIDE CAPILLARY TUBE COOLING HEATING REVERSING VALVE Pipe size Diameter ø Piping length m Elevation m MODEL Gas Liquid Rated Max Rated Max CV H186BLB0 1 2 1 4 7 5 15 5 8 CV H246BLB0 5 8 1 4 7 5 20 5 8 ...

Страница 9: ...AY RY 4WAY RY FAN POWER INPUT TO OUTDOOR UNIT TERMINAL BLOCK YL GN YL GN YL GN YL 1 L 2 N 3 4 5 6 7 8 BR BL BL BK WH RD DOOR S W 1 2 OUTDOOR WIRING DIAGRAM COMP R S BL WH BL BR BK BK GN YL CAPACITOR CAPACITOR REVERSING VALVE RD BR RD BK OR TB1 YL OR OR BK BK BK BK BL WH C FAN MOTOR TO INDOOR UNIT TERMINAL BLOCK 3854A20128P 3 4 5 6 7 PIPE TH TNS NO L1 L2 L3 L4 D P NC NO NC pipe TH TB2 1 2 3 4 5 6 7...

Страница 10: ...ng the louver up and down automatically and to set it at the desired position The procedure is as the following 1st Press the ON OFF Button to operate the product 2nd Press the Airflow Direction Control Button to swing the louver up and down automatically 3nd Repress the Airflow Direction Control Button to set the louver as the desired position MODE0 1 2 3 4 5 6 7 135 Cooling MODE MODE MODE MODE M...

Страница 11: ...eration will be stopped after 1 2 3 4 5 6 7 hours Heating Mode with the Sleep Mode Heating model only The operation will be stopped after 1 2 3 4 5 6 7 hours Intake Air temp COMP ON SET TEMP 0 5 C COMP OFF SET TEMP 0 5 C More than More than 3 minutes 3 minutes INDOOR FAN Low Low Low Low Low COMPRESSOR ON OFF ON OFF ON 30 minutes 30 minutes 1 C 1 C 11 Setting Temp 3 C Compressor OFF Setting Temp Co...

Страница 12: ...ing Operation Condition Intake air Temperature Setting temperature Fan speed Air Direction Control Over 26 C 25 C Over 24 C below 26 C Intake air 1 C Over 22 C below 24 C Intake air 0 5 C Over 20 C below 22 C intake air temperture below 20 C 20 C Over 20 C below 30 C Fuzzy control below 20 C 20 C over 30 C 30 C below 21 C below 24 C Over 24 C Over 21 C When Auto Operation initial start When pressi...

Страница 13: ...el only Compressor ON temperature Setting temperature Compressor OFF temperature Setting temperature 3 C 1 f rhythm louver operation In Auto operation mode when pressing the vertical air direction control button louver moves as following cycle 13 Intake Air temp below 20 C over 20 below 21 C Setting temp 20 C Intake air temp 0 5 C 21 5 C 20 C 20 C Intake Air temp Setting temp 20 5 C 21 C MODE0 MOD...

Страница 14: ...ting fan speed LOW Cooling on temp Setting temp 0 5 Setting CHAOS Natural wind Setting temp Cooling off temp Setting temp 0 5 CHAOS Natural wind COMP ON COMP OFF GRAPH of Natural wind by the CHAOS logis During Cooling operation Intake Air temp 30sec OUTDOOR FAN COMP INDOOR FAN Setting fan speed LOW Heating off temp Setting temp 3 0 Setting CHAOS Natural wind Heating on temp Setting temp CHAOS Natu...

Страница 15: ...etting temp Compressor ON minimum 1min minimum 3min Fan Stops Low Fan Low Fan Low Fan Fan Stop Selected Fan Selected Fan Low Fan Selected Fan minimum 3min minimum 30sec minimum 1min OUTDOOR FAN COMPRESSOR 8 Hot Start Control The indoor fan stops until the evaporator piping temperature will be reached to 28 During heating operation if piping temperatures falls below 26 C fan stops The operation dia...

Страница 16: ...OR FAN Low Fan Low Fan Intake Air temp Setting temp 1 0 C Compressor ON Setting temp 0 5 C Compressor OFF Setting temp 2min 58sec 2min 58sec 10min 10min 7min Within 7min Cooling Cooling OUTDOOR FAN COMPRESSOR Selected Fan Selected Fan ON ON ON ON OFF OFF OFF OFF ON ON OFF OFF ON ON OFF OFF ON ON OFF OFF 10 Soft Dry Operation During Soft Dry Operation the compressor ON temperature is the setting te...

Страница 17: ... remote controller sets 15 Auto Restarting Operation When the power is restored after a sudden power failure while in appliance operation the mode before the power failure is kept on the memory and the appliance should be on the automatically operates in the mode on the memory Operation Mode that is kept on the memory State of Operation ON OFF Operation Mode Setting Temp Selected airflow Speed Sle...

Страница 18: ...ins delay of the compressor and the temperature of the indoor pipe is over 7 C the compressor and the outdoor fan is reoperated 2 Thermistor Cut Off or Short Cut Off Short Blinks on and off the operation mode LED 0 5 sec ON 3 sec OFF 1 Heating Model Display Function Coolling Soft Dry Fan Heating Timer Mode Sleep Mode Hot start Deice Operation Indicator Timer Indicator Sleep Timer Indicator Deice I...

Страница 19: ...eat radiation from the condenser is not restricted There should not be any animals or plants which could be affected by hot air discharged Ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles 3 Piping length and the elevation 1 Installation of Indoor Outdoor Unit More than 20cm More than eye level More than 20cm R R More than 20cm More than 20cm Ceiling installation...

Страница 20: ... right side Detach the Inlet Grille from the Indoor Unit 1 Installation on the ceiling Measure and mark the position for the Suspen sion bolts and the piping hole Drill the hole for anchor nut on the ceiling Before secure the Installation Plates select the bent direction of the Installion Plate to the inside or the outside according to the installation circumstances Drill the piping hole on the wa...

Страница 21: ...ft and right side of the unit to the lower slot of Installation Plates Adjust a level with a level gauge on the direction of left right back forth by adjusting suspension bolts Move the hooks on the unit to the upper slot of Installation Plates Then the unit will be declined to the bottomside so as to drain well Washer Nut Suspension bolts Ceiling Anchor nut Suspension bolts Spring washer max 12mm...

Страница 22: ...inimum thickness of the insulation for the connecting pipe shall be 7mm 3 If the Installation Plates are fixed to horizontal line the indoor unit after installing will be declined to the bottomside CAUTION The unit must be horizontal or declined to the drain hose connected when finished installation The unit must be declined to the bottomside of the unit when finished installation ...

Страница 23: ...let hanger Hook Cabinet Bottom Secure the unit to the Installation Plates with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws ...

Страница 24: ...ted to the drain direction after considering the direction of drain hose Drill the hole for anchor nut on the wall Drill the piping hole on the wall slightly tilted to the out door side using a ø70 hole core drill Secure the Install Plate onto the wall with four anchor bolts washers and spring washers Before secure the Install Plates select the bent direc tion of the Install Plate to the inside or...

Страница 25: ...e Secure the unit to the Installation Plate with four M8 bolts and washers Hook up the Inlet Grille Hook to the cabinet Hang the Inlet Hanger to the screw Fit the projection hooks of the side plates to the Side Panel and the Front Panel by lifting it Fasten the screws R 2 1 Before working refer to Connecting pipe and cable to Indoor Unit on page 29 31 Inner slot ...

Страница 26: ...Engage the slot at the back of the unit with Mount Bracket Drill the piping hole with 70mm dia hole core drill Piping hole should be slightly slant to the outdoor side After Installing reassemble detached parts Hang the Inlet Grille and hook the Inlet Hanger to the Hanger Screw Assemble the Side Plates R L with 2 screws on both left and right side Floor mount bracket Slot Floor mount bracket Insta...

Страница 27: ...es When the flare nuts are removed from the indoor unit Some gas may leak as some gas is charged to prevent the inside of the pipe from rusting Fit the copper pipe end into the Bar of flare tool about 0 1 0mm higher See illustration Flare the pipe ends Carry out flaring work using dedicated flaring tool for R 410A 4 Tape the flaring portion to protect it from the dust or damages 90 Slanted Rough P...

Страница 28: ...screw 2 For the Bottom Side Piping Remove the knock out on the bottomside of Inlet Grille Align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Connect the Drain Hose insulated to the drain outlet Hang the drain hose on the hose hanger and fix it to the hole of cabinet bottom with a screw 2 Conne...

Страница 29: ...g tube align the center of the pipings and sufficiently tighten the flare nut with fingers Finally tighten the flare nut with torque wrench until the wrench clicks Connect the Drain Hose insulated to the drain outlet Tape the Drain Hose to the pipings to avoid coming off the drain outlet 3 For the Right Bottom Piping Align the center of the pipings and sufficiently tighten the flare nut with finge...

Страница 30: ...w on the wrench 1 Checking the Drainage 1 Remove the Air Filter To remove air filter take hold of tab and pull slightly upwards 2 Check the drainage Spray one or two glasses of water upon the evaporator Ensure that water flows drain hose of indoor unit without any leakage 3 Connecting Pipes to the Outdoor Unit 4 Checking the Drainage R Liquid side piping Smaller Dia Gas side piping Bigger Dia Torq...

Страница 31: ... should be complied with the following specifications Type H05VV F Indoor approved by HAR or SAA The power connecting cable connected between the indoor and outdoor unit should be complied with the following specifications Type H07RN F approved by HAR or SAA The connecting cable connected between the indoor and outdoor unit should be complied with the following specifications Type H07RN F approved...

Страница 32: ...ed during the course of transportation Check them and make sure that they are all tightly fastened If they are loose it could give rise to burn out of the wires 4 Specification of power source 5 Confirm that electrical capacity is sufficient 6 Be sure that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 7 Confirm that the cable thickness is ...

Страница 33: ...the wall by saddle or equivalent 2 Tape the Pipings and Connecting cable from bottom to top 3 Form the pipings gathered by taping along the exterior wall and make the trap prevent water from entering into the room 4 Fix the pipings onto the wall by saddle or equivalent In case of the Outdoor unit being installed below position of the Indoor unit In case of the Outdoor Unit being installed above po...

Страница 34: ... and connect the gauge manifold and the vacuum pump to the service port by the charge hose 4 Vacuum the indoor unit and the connecting pipes until the pressure in them lowers to below 76cmHg 5 Remove the valve stem nuts and fully open the stems of the 2 way and 3 way valves with a hexagon wrench 6 Tighten the valve stem nuts of the 2 way valve and 3 way valve 7 Disconnect the charge hose and fit t...

Страница 35: ...nder the ceil ing please change the slide switch which is on the Main PCB Assembly to the CEILING state The initial state of the slide switch is set for the bottom installation 1 Connection of power supply 1 Connect the power supply cord to the inde pendent power supply Circuit breaker is required 2 Prepare the remote control Insert two batteries provided Remove the battery cover from the remote c...

Страница 36: ... the time of starting and stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation AIR FLOW DIRECTION START STOP BUTTON Used to stop or start louver movement and set the desired up down airflow direction SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATI...

Страница 37: ...nd stopping operation TIME SETTING BUTTONS Used to adjust the time TIMER SET CANCEL BUTTONS Used to set the timer when the desired time is obtained and to cancel the Timer operation AIR FLOW DIRECTION START STOP BUTTON Used to stop or start louver movement and set the desired up down airflow direction SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circu...

Страница 38: ...chassis Remove the screws securing the side plate and push to the bottom side Unhook the hanger from the hanger screw at the left and the right side Pick out the inlet grille 3 Remove the lower air guide Remove a screw of both side fixing barrier air guide Remove the screws of both sides of the lower air guide Remove the lower air guide toward arrow mark by turning upwards as shown in figure R R R...

Страница 39: ...o the fan motor shaft do not remove Remove the crossflow fan by sliding it out from the shaft of fan motor 5 Remove the control box Assembly Disconnect the step motor connector fan motor connector display PCB connector thermistor connector and door switch connector from the main PCB If necessary disconnect power supply cord and connecting cable from the terminal block and remove the cord clamp scr...

Страница 40: ...s of both side of diffuser assembly 4 pieces Push the upper side of cabinet strongly to pull out the inner hook of diffuser frame from the cabinet hole Take up the diffuser frame carefully not so as to harm the display PCB wires and the step motor wires 8 Remove display PCB assembly Remove the screws at the both side of display cover If necessary disconnect the display PCB connector from PCB assem...

Страница 41: ... side of screws 4 pieces Pull out the drain pan assembly Be careful not to harm to the EPS packing of drain pan and the tubings of evaporator 11 Remove the evaporator Remove the screws of both sides securing the EVA barrier R L on the side cabinet Remove the screws which fasten the barrier on the evaporator and take out the barrier assembly Remove the evaporator assembly by sliding toward arrow ma...

Страница 42: ... this test is only for checking whether pipe connection is OK or not 5 If there is no leakage discharge N2 in piping completely into tank for retrieving Completely discharge is needed for vacuuming If leakage is found please fasten the joint more tightly 6 After closing the valve of charging hose disconnect the tank and connect the vacuum pump to charging hose and open the valve again for vacuumin...

Страница 43: ...and then close it tightly 3 Operate the air conditioner for 10 15 min until cycle is stabilized 4 Close the spindle of service port liquid side high pressure and wait till pressure of gas side low pressure drops below 0 kgf cm2 5 After the needle of gage indicates below 0 kgf cm2 close the valve of gas side quickly and turn off the power 6 Disconnect the piping between indoor and outdoor unit and ...

Страница 44: ...approximately 150g each time while operating the air conditioner in the cooling cycle however one time is not sufficient wait approximately 1 minute and then repeat the procedure 4 Immediately disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be discharged If the system has been charged with liquid refrigerant while operating the air conditioner ...

Страница 45: ...room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of refrigeration cycle NOTICE 1 The suction pressure is usually 8 5 9 5 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tub...

Страница 46: ...OMP PIN 3 and CN 4WAY PIN 1 Is the output voltage of IC01D DC12V Is the PIN 29 of Micom DC5V Exchange Micom YES NO Check the main P C B pattern NO NO Exchange D01D D05D NO YES Exchange the transformer Is shorted the transformer output NO YES Is the output voltage of IC02D DC5V NO Is the PIN 55 64 of Micom DC5V YES Exchange IC01D Exchange IC02D NO Check the 5V P C B pattern Is the output voltage of...

Страница 47: ...it the HOT mode Is IC02M operated normally Check the fan motor and connector CN FAN YES Is the each S S R any problem YES NO YES Adjust set temperature Does the temperature set all right NO Adjust set temperature Does the temperature set all right NO YES YES Exchange IC02M Exchange S S R ...

Страница 48: ...ly Is the PIN 1 of CN UP DOWN DC12V Check the step motor and connector CN UP DOWN 1 2 Check the main P C B DC12V pattern NO Exchange IC01M NO YES YES YES Is the battery consumed much Is the PIN 8 of CN DISP DC5V Is the connection of CN DISP all right Exchange receiver ass y Connect CN DISP exactly NO NO Exchange the battery Check the main P C B DC5V pattern ...

Страница 49: ... 6 The unit does not operate by forced operation switch YES YES NO Is 4way valve operated Check the RY 4WAY and 4way valve Exchange IC02M NO Check RY 4WAY NO YES Is the F OP key any problem Check P C B pattern check Exchange F OP key Is IC02M operated normally ...

Страница 50: ... 50 Electronic control device 1 MAIN P C B ASM CV H186BLB0 CV H246BLB0 2 DISPLAY P C B ASM P No 6871AQ3263A ...

Страница 51: ...Schematic Diagram 51 ...

Страница 52: ...ew and Replacement Parts List 1 Indoor Unit 52 130911 263230 35211A 342800 359010 152302 330870 354211 352115 261704 137213 W0CZZ 166000 346811 268712 237900 235450 146811 159911 159911 352150 267110 137213 135314 ...

Страница 53: ...E 6171AQ3198E 263230 THERMISTOR ASSY 6323AQ2333Y 6323AQ2333Y 267110 REMOTE CONTROLLER ASSY 6711A20010K 6711A20010K 268712 PWB PCB ASSY DISPLAY 6871AQ3263A 6871AQ3263A 330870 DRAIN PAN ASSY 3087AP7233A 3087AP7233A 342800 BEARING 3H02821B 3H02821B 346811 MOTOR ASSY INDOOR 4681AP2306G 4681AP2306E 352115 TUBE ASSY EVA IN 5211AP2810J 5211AP2810J 35211A TUBE ASSY SUCTION INDOOR 5211AP2813B 5211AP2813A 3...

Страница 54: ...2 Outdoor Unit 54 435512 554030 552201 437212 552201 W0CZZ 2 268711 263230 435511 W6640 668713 W0CZZ 3 552202 566000 552203 552203 430410 552570 554160 561410 447910 W0CZZ 1 546810 559010 437210 ...

Страница 55: ...A20013X 552111 TUBE ASSY CAPILLARY 5211A10039T 5211A30331R 552202 VALVE REVERSING 3A02027A 3A02027A 552203 1 VALVE SERVICE 2H01890D 2A00392E 552203 2 VALVE SERVICE 2H02479F 2H02479F 554031 CONDENSER ASSY BENT 5403A20022F 5403A20022F 554160 COMPRESSOR SET 2520UWFP2AA 2520UWJP2BA 559010 FAN ASSY PROPELLER 1A00195B 1A00195B 561410 COIL ASSY REVERSING VALVE 3A02028Y 3A02028Y 649950 CONTROL BOX ASSY OU...

Страница 56: ...P No 3828A20059X June 2003 Printed in Korea ...

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