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–50–

• Before working, refer to "Connecting pipe
and cable to Indoor Unit" on page 55.

Inlet 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.

Содержание FMN0760NL

Страница 1: ...Free Joint Multi Type Air Conditioner SERVICE MANUAL MODELS Indoor Unit FMN0760NL FMN0960NL FMN1260NL FMN1260NFM B D FMN1260NT FMN1860NT FMN1860NV FMN1860NL Outdoor Unit FMU4480N6L ...

Страница 2: ... Function 29 Refrigeration Cycle Diagram 30 Installation of Indoor Outdoor Unit 31 Disassembly of the parts 70 3 way Valve 76 Cycle Troubleshooting Guide 81 Electronic Parts Troubleshooting Guide 82 Electronic Control Device 93 Schematic Diagram 101 Exploded View and Replacement Parts List 107 2 Contents ...

Страница 3: ...ontrol Natural Air Control by CHAOS Logic Airflow Direction Control Deice defrost control Heating The fan is switched to intermittent or irreg ular operation The fan speed is automatically switched from high to low speed Room Art Cool Convertible type Indoor Unit Lights up in operation Lights up in Sleep Mode Lights up in Timer Mode Lights up in Deice Mode Cassette type Indoor Unit Lights up in Op...

Страница 4: ...CT It will be changed the drive voltage of comp according to operating frequency It is only operated in the heating operation mode except defrosting operation High speed Low speed Outdoor Unit Power relay control Comp Freq control Overheatng Protection Powr module Freq speed control up down speed V F control Total current control over current protection DC peak current control 4 way valve control ...

Страница 5: ...tion Gas inch mm Liquid inch mm Connection cable mm2 Power cable mm2 7 000 9 000 12 000 12 000 2 051 2 638 3 517 3 517 8 000 10 000 13 800 13 800 2 344 2 931 4 044 4 044 1 4 1 7 2 5 1 2 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 6 5 7 9 8 3 34 36 39 44 33 34 36 41 30 32 35 34 27 27 28 11 0 14 0 14 0 15 0 12 802 x 165 x 262 802 x 165 x 262 888 x 170 x 287 570 x 137 x 568 7 7 9 9 Up Down Up...

Страница 6: ...Liquid inch mm Connection cable mm2 Power cable mm2 12 000 18 000 18 000 18 000 3 517 5 275 5 275 5 275 13 800 20 700 19 000 20 700 4 044 6 067 5 567 6 067 1 5 3 3 2 5 2 5 1 220 240 50 1 220 240 50 1 220 240 50 1 220 240 50 9 25 13 5 13 14 41 47 44 49 39 45 41 47 37 43 39 45 68 90 60 56 0 29 0 5 0 32 0 25 570 x 570 x 269 570 x 570 x 269 1 080 x 181 x 314 1 200 x 205 x 615 19 19 12 30 Up Down Up Do...

Страница 7: ...eed regardless of the setting Soft Dry Operation Mode When the dehumidification operation input by the remote control is received the intake air temperature is detected and the setting temp is automatically set according to the intake air temperature 26 C Intake Air Temp 25 C 24 C Intake Intake Air Temp 26 C Intake Air Temp 1 C 18 C Intake Intake Air Temp 24 C Intake Air Temp 0 5 C Intake Air Temp...

Страница 8: ...re off and only the indoor fan is operated for 15 seconds Then an operation mode is selected according to the intake air temp at that moment as follows 24 C Inatake Air Temp Fuzzy Operation for Cooling 21 C Inatake Air Temp 24 C Fuzzy Operation for Dehumidification Inatake Air Temp 21 C Fuzzy Operation for Heating If any of the operation modes among cooling dehumidification heating mode operations...

Страница 9: ... Temp Setting Temp 3 C At the beginning of Fuzzy mode operation the setting temperature is automatically selected according to the intake air temp at that time 20 C Intake Air Temp Intake Air Temp 0 5 C Intake Air Temp 20 C 20 C When the Fuzzy key Temperature Control key is input after the initial setting temperature is selected the Fuzzy key value and the intake air temperature at that time are c...

Страница 10: ...Cool Mode Operation While in heating mode or Fuzzy operation the Jet Cool key cannot be input When it is input while in the other mode operation cooling dehumidification ventilation the Jet Cool mode is operated In the Jet Cool mode the indoor fan is operated at super high speed for 30 min at cooling mode operation In the Jet Cool mode operation the room temperature is controlled to the setting te...

Страница 11: ...ccording to the intake air temperature as follows 24 C Intake Air Temp Cooling Mode Operation 22 C High Speed 21 C Intake Air Temp 24 C Dehumidification Operation 23 C High Speed Intake Air Temp 21 C Heating Mode Operation 24 C High Speed Remote Control Operation Mode When the remote control is selected by the slide switch on the main unit the appliance operates according to the input by the remot...

Страница 12: ...hile compressor is running it takes 3 5 seconds to switch Auto Swing Control This function is to swing the louver up and down automatically Soft Dry Operation The indoor fan speed is automatically set to the low so the shift of the indoor fan speed is impossible because of already being set to the best speed for Dry Operation by Micom Control Cooling Mode Operation When selecting the Cooling Mode ...

Страница 13: ...tart Control The indoor fan stops until the evaporator piping temperature will be reached to 25 C The operation diagram is as following PIPING TEMPERATURE 1min COMPRESSOR INDOOR FAN OFF LOW Selected Fan ON 22 C 25 C A point While the indoor Heat Exchanger temperature is higher than 40 C fan operates at low speed when it becomes lower than 40 C fan stops B point When the indoor Heat Exchanger tempe...

Страница 14: ...later T1 and 45 min later T2 since heating mode operation started are measured then defrost control is carried out according to the dirrerence T T1 T2 3rd priority Defrost control is carried out according to the temp difference E TE1 TE2 between the indoor pipe temperatures of 25 min later TE1 and 45 min later TE2 after heating mode operation started When the indoor pipe temp is 41 C or above defr...

Страница 15: ... 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 MODE MODE MODE 9 MODE CLOSE Heating OPEN 135 12 Cooling Heati...

Страница 16: ...ter The operation will be stopped after 1 2 3 4 5 6 7 hours Heating Mode with the Sleep Mode 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 16 Setting Temp 3 C Compressor OFF Setting Temp Compressor ...

Страница 17: ...t Dry Cooling 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 W...

Страница 18: ...mpressor 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 lou ver moves as following cycle 18 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 MODE1 MODE2 ...

Страница 19: ...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 20: ...g 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 diagram ...

Страница 21: ...FF ON INDOOR 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 ...

Страница 22: ...8 min During test operation if remote controller signal is received the unit operates as 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...

Страница 23: ...860NL FMN1260NL FMN0760NL FMN0960NL ø70mm ø70mm A A A A Left rear piping Right rear piping ø70mm ø70mm 50mm 20mm 20mm 80mm Left rear piping Right rear piping Left rear piping Right rear piping Hole Center ø70mm D C W mm 802 888 1 080 H mm 262 287 314 D mm 165 170 181 FMN0760NL FMN0960NL FMN1260NL FMN1860NL MODEL DIM ...

Страница 24: ... 24 Art Cool Type Indoor Unit Pipe Hole Fix Hole Hanger Hole H W D MODEL DIM Unit W mm 570 H mm 568 D mm 137 INDOOR UNIT ...

Страница 25: ... 25 Convertible Type Indoor Unit 250mm 36mm 36mm 1076mm 1200mm 205mm 615mm 392mm 265mm 468mm R 63mm 38mm 175mm Installation Plate Rear Side ...

Страница 26: ... 26 Cassette Type Indoor Unit 269 670 55 570 269 190 5 160 52 90 90 120 4 30 521 670 570 450 40 110 110 670 670 CLOSE OPEN OPEN CLOSE 900 1 225 370 2 Outdoor Unit ...

Страница 27: ...MOTOR2 CN POWER CN D1 FUSE 250V 3 15A CN D2 BK WH YL RD FAN MOTOR STEP MOTOR STEP MOTOR STEP MOTOR STEP MOTOR STEP MOTOR TO OUTDOOR UNIT BR BL GN YL RD 1 L 2 N 3854A20219A 3 4 Z CAPACITOR BR YL CN FAN CN POWER RY L RY M RY H CN TRANS CN UP DOWN 1 2 TRANS FORMER THERMISTOR CN TH MAIN PCB ASSY OR RD RD BL BR BL BK DOOR S W 1 2 FUSE T3 15A MOTOR GN YL GN YL TO OUTDOOR UNIT 1 L 2 N 4 3854A20220A INDOO...

Страница 28: ...HITE RD RED GN YL GREEN YELLOW NOTE BR BROWN OR ORANGE BK BLACK BL BLUE S BK NOISE FILTER 100K 2W 100K 2W GAS BY PASS 0 27uF 800V CN FAN2 CN LEV3 CN LEV2 CN LEV1 TH A TH B CN LEV6 CN LEV5 CN LEV4 CN FAN1 Outdoor Unit Wiring Diagram B C A D E E C D B A BL OR RD YL BR F 1 L 2 3 1 1 2 F YL 1 4 1 1 BUNIT 2 N 3 A 1 L UNIT A 1 L 2 N 2 5 2 2 5 2 UNIT D 2 N 1 L UNIT C 3 C 1 L 2 N 3 B 2 N 1 L 2 N 2 N 4 6 5...

Страница 29: ...mistor open short Operation OFF Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Same as above Operation OFF Outdoor Thermistor...

Страница 30: ... 5 7 5 25 25 15 88mm 5 8 6 35mm 1 4 Pipe Size GAS LIQUID Max length m Additional Refrigerant g m Max Elevation m Standard Length m A B mean indoor unit higher located than outdoor unit C D mean outdoor unit higher located than indoor unit For installation over rated distance 25g of refrigerant should be added for each meter in Heat pump Model ex When installed at a distance of 15m 75g of refrigera...

Страница 31: ...e should not be any heat source or steam near the unit There should not be any obstacles to the air circulation A place where air circulation in the room will be good A place where drainage can be easily obtained A place where noise prevention is taken into consideration Do not install the unit near the door way Ensure the spaces indicated by arrows from the wall ceil ing or other obstacles The in...

Страница 32: ...ther obstacles More than 20cm More than eye level More than 20cm R R More than 20cm More than 20cm Ceiling installation Floor Wall installation more than 70cm more than 30cm more than 30cm Air Outlet Air Intake side rear Connection pipe Drain hose Connecting wire Control cover more than 30cm 2 Outdoor unit If an awning is built over the unit to prevent direct sun light or rain exposure be careful ...

Страница 33: ...eak when the flare nuts are removed from the indoor unit 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 5 1 0mm higher See illustration Flare the pipe ends 4 Tape the flaring portion to protect it from the dust or damages Copper tube 90 Slanted Uneven Rough Pipe Reamer Point down Bar Copper pipe Clamp handle Red arro...

Страница 34: ...mpleting the piping connection be sure to check if there is gas leakage in indoor and outdoor connection After completing the piping connection execute vacuum drying for the connecting piping and the indoor unit The vacuum drying must be carried out using the service ports of both the liquid and gas side valves Use two wrenches and tighten with regular torque Outdoor unit Liquid side Flare connect...

Страница 35: ... drill Line according to the arrows marked on lower the left and the rght side of the Installation Plate The meeting point of the extended line is the center of the hole Drill the piping hole at either the right or the left and the hole should be slightly slant to the out door side Installation Plate marking off line Thread Weight Type A screw 5 7mm Indoor Outdoor Wall ø70mm ø70mm 50mm 20mm 20mm 8...

Страница 36: ...ot connect the cable to the indoor unit Make a small loop with the cable for easy con nection later 5 Tape the tubing drain hose and the connecting cable Be sure that drain hose locates at the lowest side of the bundle Locating at the upper side can be a reason that drain water overflows drain pan inside the unit Installation plate Pull Pull To remove the holder press the bottom of the chassis nea...

Страница 37: ...t in left and right 7 Connecting the pipings to the indoor unit 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 Wrench tightening the flare nut with forque wrench ensure the direction for tightening fol lows the arrows on the wrench 8 Wrap the insulation material around the con necting port...

Страница 38: ...door unit onto the upper portion of installation plate Engage the two hooks of the rear top of the indoor unit with the upper edge of the installation plate Ensure the hooks are properly seated on the installation plate by moving it in left and right Drain hose Tubing holder Taping Piping Push 2 Hook 1 Connecting cable Drain hose Press the lower left and right side of the unit against the Installa...

Страница 39: ... places near high frequency generators 2 Cassette Type Indoor Unit 1 Ceiling opening dimensions and hanging bolt location Unit mm 570 Unit size 570 Unit size 450 Hanging bolt 75 75 600 Ceiling opening 600 Ceiling opening 521 Hanging bolt 39 5 39 5 Ceiling board Level gauge Ceiling Use the ventilation fan for smoke collecting hood with sufficient capacity Cooking table Air conditioner Take enough d...

Страница 40: ...nditioner body Ceiling board Cassette trim Air Cool air leakage no good Bad example Air conditioner unit Air conditioner unit Cassette trim Fit the insulator this part and be careful for cool air leakage Good example Ceiling board The following parts are local purchasing Hanging Bolt W 3 8 or M10 Nut W 3 8 or M10 Spring Washer M10 Plate Washer M10 Drill the piping hole on the wall slightly tilted ...

Страница 41: ...en completely two temporarily fixed screws and other two screws Total 4 screws 5 Connect the louver motor connector and display connector 6 After tightening these screws install the air inlet grille including the air filter Decorative panel fixing screws hexagon M5 screws Temporally fitting at 2 places Tightening about 10mm Control box cover Piping side Inlet Grille Inlet Grille Inlet Grille Louve...

Страница 42: ...over pipe and cover side remove Remove two screws for fixing cover pipe Pull up the cover side of desired connecting direc tion then cover side is separated In case connecting direction is left or right path through the hole of cover side NOTE When connecting pipe path through rear wall don t remove the hole 3 Drain hose junction Remove the rubber stopple of desired drain direction As the followin...

Страница 43: ...upper screws In this time Remove the map Falling attention 5 Check the fixed product with light power 6 Look at suited horizon by horizontal meter on the horizontal setting line and Fix lightly the map by adhesive tape 7 Drill the piercing part for connecting pipe as diameter 50mm In case of piercing rear surface Refer to No 5 on this page when making a hole in the wall 8 First Drive the two point...

Страница 44: ...lyethylene or equivalent is recommended 3 Connecting the pipings to the indoor unit and drain hose to drain pipe Align the center of the pipes and sufficiently tighten the flare nut by hand Tighten the flare nut with a wrench When extending the drain hose at the indoor unit install the drain pipe 4 Wrap the insulation material around the connecting portion Overlap the connection pipe insulation ma...

Страница 45: ...iping and drain hose together by wrap ping them with vinyl tape for enough to cover where they fit into the rear piping housing section Vinyl tape narrow Connection pipe Connecting cable Vinyl tape wide Wrap with vinyl tape Indoor unit pipe Pipe Wrap with vinyl tape Drain hose Pipe Vinyl tape wide ...

Страница 46: ...er assembly exactly Fix power cord in the bottom groove of cover side left 2 Assemble connecting lead wire with controller and first fix the upper part of panel front then match the lower part of panel front 3 Drive two screws 46 Panel Front Connector ...

Страница 47: ...nd right side Detach the Inlet Grille from the Indoor Unit 1 Installation on the ceiling Measure and mark the position for the Suspension 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 w...

Страница 48: ...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 49: ...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 50: ...et 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 51: ...lted 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 o...

Страница 52: ...ate 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 55 Inner slot ...

Страница 53: ...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 54: ...rew 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 5 Connect...

Страница 55: ...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 fingers...

Страница 56: ... in the fixed wiring and have an air gap contact separation of at least 3mm in each active phase conductors 3 The screw which fasten the wiring in the casing of electrical fittings are liable to come loose from vibrations to which the unit is subjected 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...

Страница 57: ...sconnect all supply lines must be fitted 2 Art Cool Type Indoor Unit Connect the cable to the indoor unit by connect ing the wires to the terminals on the control board in dividually according to the outdoor unit connection The earth wire should be longer than the common wires When installing refer to the circuit diagram on the Control Box of Indoor Unit When installing refer to the wiring diagram...

Страница 58: ...power cord connected to the outdoor unit should be complied with the following specifications Rubber insulation type H05RN F approved by HAR or SAA The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications Rubber insulation type H05RN F approved by HAR or SAA 8 5mm 20mm GN YL 7 5mm 20mm NORMAL CROSS SECTIONAL AREA 0 75mm2 NORMAL CROSS SECTIO...

Страница 59: ...nit 3 B 2 N 1 L Terminal Block of Indoor Unit 3 A 2 N 1 L c c 6 6 5 4 3 2 1 c b a 3 b 5 2 b 5 2 a 4 1 a F E D C B A R S T N R S T N Terminal Block of Outdoor Unit Power Cord POWER INPUT 3Ø 4W 380 415V 50Hz 1 All wiring must comply with LOCAL REGULATIONS 2 Select a power source that is capable of supplying the current required by the air conditioner 3 Feed the power source to the unit via a distrib...

Страница 60: ... arrow direction Insert the two batteries Be sure that the and directions are correct Be sure that both batteries are new Re attach the cover Slide it back into position Do not use rechargeable batteries such batter ies differ from standard dry cells in shape dimensions and performance Romove the batteries from the remote con troller if the air conditioner is not going to be used for some long tim...

Страница 61: ...NG BUTTONS Used to select fan speed in four steps low medium high or chaos auto 5 JET COOL Used to start or stop the speed cooling Speed cooling operates super high fan speed in cooling mode 6 CHAOS AUTO SWING BUTTON Used to stop or start louver movement and set the desired up down airflow direction 61 2 Operation Room Cassette Art Cool Type Indoor Unit 1 Name and funcition Remote Controller Door ...

Страница 62: ...hen the desired time is obtained and to cancel the Timer operation 4 SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation 5 AIR CIRCULATION BUTTON Used to circulate the room air without cooling or heating turns indoor fan on off 6 ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature 7 RESET BUTTON Used prior to resetting time or after replacing batteries ON OFF SET CANCEL Si...

Страница 63: ...sed 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 circulate the room air without cooling or heat ing turns indoor fan on off ROOM TEMPERATURE CHECKI...

Страница 64: ...pe 1 50 to 1 100 be sure not to provide up and down slope to prevent reversal flow During drain piping connection be careful not to exert extra force on the drain port on the indoor unit The outside diameter of the drain connection on the indoor unit is 32mm Be sure to execute heat insulation on the drain piping Drain Test The air conditioner uses a drain pump to drain water Use the following proc...

Страница 65: ...indoor unit without any leakage and goes out the drain exit 4 Convertible Type Indoor Unit 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 R R ...

Страница 66: ...outlet should keep distance from the ground Do not dip it into water and fix it on the wall to avoid swinging in the wind 2 Tape the Pipings drain hose and Connecting Cable from down to up 3 Form the pipings gathered by taping along the exterior wall and fix it onto the wall by saddle or equivalent 1 Tape the Pipings and Connecting cable from down to up 2 Form the pipings gathered by taping along ...

Страница 67: ...erature more than 23 C water drops are liable to fall In this case add heat insulation material according to the following procedure Heat insulation material to be prepared Adiabatic glass wool with thickness 10 to 20mm Stick glass wool on all air conditioners that are located in ceiling atmosphere In addition to the normal heat insulation thickness more than 8mm for refrigerant piping gas piping ...

Страница 68: ... later automatically The forced operation is started by pressing button for 2 seconds Cassette Type The test run is started by pressing button for 5 sec onds Cassette Type The test run is started by pressing timer cancel but ton five times continuously Room type To cancel the test run press any button 3 Settlement of outdoor unit Anchor the outdoor unit with a bolt and nut ø10mm tightly and horizo...

Страница 69: ...se 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 as specified in th...

Страница 70: ... 2 securing screws Lift the both lower parts of panel front After pull down this panel a bit separate connecting wire with product 2 To remove the Control Box Before removing the control box be sure to disconnect the wires from PWB Pull the cover control out from the control box and disconnect other wires Remove securing screws Pull the control box out from the chassis carefully Panel Front Connec...

Страница 71: ...ove the securing screws from the chassis Pull the pipe cover top cover and the air guide 5 To remove the Motor Remove the securing bolt from the motor shaft Pull the fan out from the motor shaft Remove 4 screws securing motor mount from the chassis and lift up the motor mount and the brack et Top Cover Pipe Cover Air Guide Turbo Fan Bracket Bolt Motor Mount ...

Страница 72: ...ssis 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 R ...

Страница 73: ...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 74: ... 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 con nector from PCB assem...

Страница 75: ...oth 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 assem bly Remove the evaporator assembly by sliding toward arro...

Страница 76: ...ansfering clockwise counter clockwise connected manifold gauge Evacuation Open Open Open Servicing with charging cylinder Gas charging Open Open Open Servicing with charging cylinder Pressure check Open Open Open Servicing with charging cylinder Gas releasing Open Open Open Servicing with charging cylinder 76 3 way Valve 3 2 1 4 5 6 Valve cap To piping connection Open position Closed position Pin ...

Страница 77: ...e slightly to air purge from the hose 5 Set the liquid side valve to the closed position 6 Operate the air conditioner at the cooling cycle and stop it when the gauge indicates 1kg cm2 g 7 Immediately set the gas side valve to the closed position Do this quickly so that the gauge ends up indi cating 1kg cm2 g 8 Disconnect the charge set and mount the liquid side and gas side valve caps and the ser...

Страница 78: ...cuum of 4 mmHg or less 5 Close the Low handle of the gauge turn off the vacuum pump and confirm that the gauge nee dle does not move approximately 5 minutes after turning off the vacuum pump 6 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or deplet ed replenish as needed 7 Mount the valve caps and the service port caps 8 Apply steps from 1 to ...

Страница 79: ...cle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately disconnect the charge hose from the gas side valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditioner turn off the air conditioner before disconnecting the hose 5...

Страница 80: ... detector 3 Remove the service port nut 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 Disconnect the charge hose and fit the nut to the service port Tightening torque 1 8kg m 6 Remove the valve stem nuts and fully open the stems of the 3 way valve with a...

Страница 81: ... 4 5 6 0 kg cm2 G at normal condition 2 The temperature can be measured by attaching the thermometer to the low pressure tubing and wrap it with putty 81 Cycle Troubleshooting Guide Temp difference approx 0 C Current less than 80 of rated current Temp difference approx 8 C Current less than 80 of rated current Temp difference less than 8 C Current over the rated current Temp difference over 8 C Te...

Страница 82: ...ain power The voltage applied to the unit The connecting method of Indoor Outdoor connecting cable each color The P W B Ass y Fuse Noise Filter Power Transformer Bridge Diode etc Trouble 1 NO YES The operation check of the P C B Ass y Procedure 1 The input voltage of power trans former 2 The output voltage of power transformer 3 IC01D 7812 4 IC02D 7805 5 IC01A KIA7036 Specification 1 AC230V 30V Ch...

Страница 83: ...troller Caused by other parts except the remote controller When the mark is displayed in LCD screen replace battery Check the contact of CN DISP 1 connector When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating and wind speed selecting Check DISP PWB Ass y Voltage between CN1 DC 5V Check the connecting circuit between the re...

Страница 84: ...ion or are not engaged Compressor Outdoor fan is stopped Check the related circuit of R02H 12 1K R01H 1K R04H 6 2K R03H 1K C01H 102 C02H 102 Micom pin No 11 12 Check the Indoor temperature sensor is disconnected or not about 10K at 25 C Check the Relay RY PWR for driving Compressor Check the voltage between brown and blue cable of terminal to connect the Outdoor About AC220V 240V Check the related...

Страница 85: ...heck the Fuse AC250V T2A Turn on the main power Check the related circuit of indoor Fan Motor The pin No 38 of micom and the part for driving SSR Check the related pattern Check the SSR SSR Open Indoor Fan Motor never operate SSR short Indoor Fan Motor always operates in case of ON or OFF The voltage of Pin No 1 orange and 3 black of CN FAN About AC 180V over About AC 50V over SSR is not damaged C...

Страница 86: ...nector Check the operating circuit of the vertical louver Confirm that there is DC 12V between pin of CN U D and GND Confirm that there is a soldering short at following terminals Between and of MICOM Between and of IC01M Between and of IC01M When the vertical louver does not operate Trouble 5 If there are no problems after above checks Confirm the assembly condition that are catching and interfer...

Страница 87: ...oor unit right Indoor Outdoor 1 Brown 1 Brown 2 Blue 2 Blue 3 Green YL 3 Green YL 4 Red 4 Red NO Is the voltage of CN POWER in out door PCB Ass y about AC220V 240V when Operation s ON Check the Fuse of Outdoor PCB Ass y NO YES Is the voltage of CN AC CN POWER N in outdoor PCB Ass y about AC220V 240V Check the PTC and RY PWR NO YES Is the Bridge Diode right Replace the Bridge Diode NO YES Replace t...

Страница 88: ...ting state of connectors in PCB Ass y Main Sub If CN U W V is connected the comprres sor can be operated a opposite direction NO YES Is the power module in Sub PCB Ass y right Check the short P N P U V W and N U V W of IPM Replace the Sub PCB Ass y NO YES Is the voltage of CN POWER over than AC170V Check the supplied voltage NO YES Is the voltage of CN DC over than about DC310V Check CN IPM connec...

Страница 89: ... Noise Filter PTC etc NO YES Is the voltage of CN POWER Pin No 1 3 AC220 240V in Main PCB Ass y Electrical wiring diagram Colors Check the connecting state of connectors in outdoor PCB Ass y Main Sub Check the Fuse of outdoor Control Box NO YES Is the connection of CN DATA between indoor and outdoor unit right Replace the PCB Ass y Main PCB Ass y Indoor Outdoor Control Box Ass y Reconnect the cabl...

Страница 90: ...ter PTC etc NO YES Is the courrent transformer CT in Main PCB Ass y right Check the PCB pattern resoldering NO YES Is the indoor outdoor fan locked Check the indoor outdoor fan motor NO YES Is the discharge temperature of Indoor unit right 11 C 17 C in the cooling mode Check the compressor NO YES Is the refrigerant pressure right Supply the refrigerant NO YES Replace the PCB Ass y Main PCB Ass y O...

Страница 91: ... unit Malfunctions remocon force test operation mode Malfunctions outdoor unit Stop compressor and outdoor fan motor The operation LED blinks 5 times Communicaion error Malfunctions remote contoller Don t operate the power display module The operation LED blinks once Enable to receive remote singnal Malfunctions UP DOWN step motor Don t operate louver Malfunctions indoor fan motor Problem error mo...

Страница 92: ...H 1 6 CN PWR Condition OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN OPEN SHORT OPEN Malfunctions outdoor unit Stop compressor and outdoor fan The operation LED02T blinks 5 times Malfunctions outdoor unit Stop compressor and outdoor fan The operation LED02T blinks 10 times Malfunctions inverter circuit Stop compressor and outdoor fan The operation LED02T blinks 9 times Malfunctions EMI EMS Malfunctions ...

Страница 93: ... 93 Electronic Control Device 1 Indoor Unit 1 MAIN P C B ASM FMN0760NL FMN0960NL FMN1260NL FMN1860NL ...

Страница 94: ... 94 FMN1260NT FMN1860NT ...

Страница 95: ... 95 FMN1260NFM B D TOP VIEW BOTTOM VIEW ...

Страница 96: ... 96 FMN1860NV ...

Страница 97: ... 97 2 Outdoor Unit MAIN P C B ASM FMU4480N6L ...

Страница 98: ... 98 PCB PWB ASSY SUB ...

Страница 99: ... 99 3 Display ASSY FMN1860NV FMN1260NFM B D TOP VIEW BOTTOM VIEW ...

Страница 100: ... 100 4 SUB P W B ASSEMBLY FMN1260NFM B D TOP VIEW BOTTOM VIEW ...

Страница 101: ... 101 Schematic Diagram 1 Indoor Unit FMN0760NL FMN0960NL FMN1260NL FMN1860NL ...

Страница 102: ...IC01D 5 TNY 255P 2 S 1 4 D02D 3 D BP EN 4 5 UF5402 S Trans 1 6 7 GND 3 GND 3 CN_ZONE 36 33 34 35 39 37 38 40 41 44 42 43 45 46 7 8 Multi_RX Multi_TX 5V 12V 5V 6 5 2 4 3 GND 6 1 4 5 CS0 7 8 CS1 6 5 SCK1 SI1 2 4 3 SO1 12V 5V PLC_SEL Multi_RX Multi_TX 6 1 GND 4 5 CN PIPE CN ROOM CN_M C ZD02D 57 52 48 49 47 50 51 53 54 55 56 60 58 59 61 62 11V 64 63 STEP M KID65004AF IC02M DC 12V 12V 5V 1 2 1 3 1 3 82...

Страница 103: ... 103 FMN1260NFM B D ...

Страница 104: ... 104 FMN1860NV RY 4WAY RY OUTFAN ...

Страница 105: ...AY RY SV 311V D01N D04N 1SR139 600 680 1 D06N 1N4148 103 C02N C01N 100UF 5V 1N4148 R02N 1 65K 1 D05N R01N CT01N C17D CN_TH4 RC03M RC02M RC01M CN_TH5 CN_TH3 TEST S W 4 10 11 3 2 12 8 1 15 14 13 9 17 16 KRA107M Q01Z BUS_ADDR_LEV BUS_COM R01H R05H 5 2 3 4 9 7 8 6 U P V W N B IPM 6 9 8 7 5 4 3 2 15 V 104 104 104 104 104 1 4 3 2 6 7 5 8 9 3 2 1 5 6 7 4 1 1 1 4 6 5 7 1 3 2 1 2 3 4 2 3 4 1 1 2 2 3 3 4 5 ...

Страница 106: ... 1 5K R08K IK R14K 10K R13K 10K R07K IK R02K D04K ERA15 06 R22K R28K 82K 3W D03K ERA15 06 R21K R27K 82K 3W ERA15 06 D10K ERA15 06 D09K D02K ERA15 06 R20K R26K 82K 3W D01K R19K R25K 82K 3W D08K ERA15 06 ERA15 06 D07K IC02K TLP627 TX_D0 BUS_COM 5V 1 5K R01K DC310V 4 15 245 R02M 10K IC02M 245 GND A6 A7 9 10 8 A5 A4 A3 6 7 5 1 A2 A1 A0 3 4 2 QE 4 4 6 5 6 5 1 1 3 2 3 2 A7 GND 10 9 A4 A6 A5 8 7 6 A3 A1 ...

Страница 107: ...ded View and Replacement Parts List 1 Room Type Indoor Unit FMN0760NL FMN0960NL 135312 249951 268712 159901 152302 346810 268714 W0CZZ 131410 359011 342800 135314 267110 146811 35211B 352116 352115 354210 152301 ...

Страница 108: ...L BOX ASSY INDOOR 4995A20149T 4995A20149U 297110 REMOTE CONTROLLER ASSY 6711A20010B 268712 PWB PCB ASSY DISPLAY 6871A30009P 268714 PWB PCB ASSY MAIN 6871A20212G 6871A20212H 342800 BEARING 3H02821B 346810 MOTOR ASSY INDOOR 4681A20003C 352115 TUBE ASSY EVA IN 5211AR7286A 352116 TUBE ASSY EVA IN 5211AR7287A 35211B TUBE ASSY TUBING 5211AR7288E 354210 EVAPORATOR ASSY FIRST 5421AR6175A 359011 FAN ASSY C...

Страница 109: ... 109 FMN1260NL 135311 249951 268712 159901 2 159901 1 135302 346810 268714 W0CZZ 131410 359011 342800 135314 267110 146811 35211B 352111 352112 2 352112 1 354210 152301 ...

Страница 110: ...B 249951 CONTROL BOX ASSY INDOOR 4995A20179R 267110 REMOTE CONTROLLER ASSY 6711A20010B 268712 PWB PCB ASSY DISPLAY 6871A30009Q 268714 PWB PCB ASSY MAIN 6871A20212J 342800 BEARING 3H02821B 346810 MOTOR ASSY INDOOR 4681A20003P 352111 TUBE ASSY CONNECTOR 5211A20514B 352112 1 TUBE ASSY COUPLING 5211A20295A 352112 2 TUBE ASSY COUPLING 5211A20296A 35211B TUBE ASSY TUBING 2H02449J 354210 EVAPORATOR ASSY ...

Страница 111: ... 111 131410 342800 135311 159901 2 159901 1 267110 354210 135314 152313 249951 268712 152302 268714 263230 W0CZZ 146811 35211B 1 35211B 2 359011 346810 352116 352115 FMN1860NL ...

Страница 112: ...X ASSY INDOOR 4995A20149Z 263230 THERMISTOR ASSY 6323A20003A 267110 REMOTE CONTROLLER ASSY 6711A20010B 268712 PWB PCB ASSY DISPLAY 6871A30009R 268714 PWB PCB ASSY MAIN 6871A20212R 342800 BEARING 3H02821B 346810 MOTOR ASSY INDOOR 4681A20003D 352115 TUBE ASSY EVAPORATOR IN 5211A30033C 352116 TUBE ASSY EVAPORATOR OUT 5211A30034B 35211B 1 TUBE ASSY TUBING 5211A30038H 35211B 2 TUBE ASSY CONNECTOR 5211A...

Страница 113: ... 113 354212 249951 268711 2 266010 352114 263230 352118 330870 158591 2 Cassette Type Indoor Unit FMN1260NT FMN1860NT ...

Страница 114: ... 114 346810 130411 359011 152311 135313 W0CZZ 137211 267110 352150 352150 130911 140570 268711 1 146811 ...

Страница 115: ...AN TURBO 5900A10004A 5900A10004A 140570 LOCKER 4056A20001A 4056A20001A 130911 CABINET ASSY INDOOR 3091A10023A B 3091A10023A B 352150 DRAIN ASSY TUBE 5251A20002A 5251A20002A 137211 PANEL ASSY FRONT INDOOR 3721A10021N 3721A10021N 146811 MOTOR ASSY STEP 4681AP2968D 4681AP2968D 268711 1 PWB PCB ASSY DISPLAY 6871A20096C 6871A20096C 152311 FILTER ASSY 5231A10005A 5231A10005A DOOR LOCK 3580A20005A 3580A2...

Страница 116: ...5311 1 146811 147581 330870 135311 3 146811 346810 135500 1 146811 135311 2 131410 352380 352150 35211B 352111 263230 147581 152312 135303 135314 268712 268717 135312 354210 144710 2 146811 146811 144710 1 147581 352116 352115 3 Art Cool Type Indoor Unit FMN1260NFM B D ...

Страница 117: ...SSEMBLY 4471A20001C 144710 2 GEAR ASSEMBLY 4471A20001D 146811 MOTOR ASSEMBLY STEP 4681A20055A 147581 LOUVER HORIZONTAL 4758A20014B 152312 FILTER ASSEMBLY AIR CLEANER 5231A20005A 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20246A 263230 THERMISTOR ASSEMBLY 6323A20004F 267110 REMOTE CONTROLLER ASSEMBLY 6711A20039P 268712 PWB PCB ASSEMBLY DISPLAY 6871A20238A 268714 PWB PCB ASSEMBLY MAIN 6871A10087F 26871...

Страница 118: ...11 263230 35211A 342800 359010 152302 330870 354211 352115 261704 137213 W0CZZ 166000 346811 268712 237900 235450 146811 159911 159911 352150 267110 137213 135314 352111 4 Convertible Type Indoor Unit FMN1860NV ...

Страница 119: ...A 237900 WINDOW DISPLAY 3790AP7080A 261704 TRANSFORMER POWER 6171AQ3198E 263230 THERMISTOR ASSY 6323AQ2333J 267110 REMOTE CONTROLLER ASSY 6711A20010K 268712 PWB PCB ASSY DISPLAY 6871AQ3263A 330870 DRAIN PAN ASSY 3087AP7233A 342800 BEARING 3H02821A 346811 MOTOR ASSY INDOOR 4681AP2306G 352115 TUBE ASSY EVA IN 5211AP2810C 35211A TUBE ASSY SUCTION INDOOR 5211AP2813C 352150 HOSE ASSY DRAIN 5251AP2460B ...

Страница 120: ... 658740 W0FZZ W6640 1 W6640 2 W0CCZ 1 W0CCZ 2 447910 566000 552116 430410 546810 1 546810 2 548490 1 552203 1 552203 2 548490 2 552113 1 552112 552113 2 263230 546810 1 554031 1 135301 559010 668713 554160 437210 435511 553000 552115 W49810 552205 5 Outdoor Unit ...

Страница 121: ...52113 1 TUBE ASSY CONDENSER OUT 5211A10092A 552113 2 TUBE ASSY CONDENSER OUT 5211A10093A 552115 TUBE ASSY MANIFOLD 5211A10234B 552116 TUBE ASSY REVERSING 5211A10246A 552203 1 VALVE SERVICE 2A00199F 552203 2 VALVE SERVICE 2A00168K 552205 VALVE EXPANSION BODY 5220A90001B 548490 1 ACCUMULATOR ASSY 4849A10005A 548490 2 ACCUMULATOR ASSY 4849A10009A W49810 SUPPORTER ASSY 4981A10002A 263230 THERMISTOR AS...

Страница 122: ...P No 3828A20208A August 2002 Printed in Korea ...

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