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Disassembly and Reassembly

No.

Part name

Procedures

Picture

Method 1

Fan and motor

3. Disconnect the other end of the cable to

the outdoor unit through the ceiling & the
hole on the wall between the control box
and the assembly.

above.

1. Disconnect FAN MOTOR wire connector,

thermistor wire connector,
drain pump wire connector.

2. Disconnect wire connects to capacitor.

DB81-00206A(3)-1 3/28/02 5:42 PM Page 6

Содержание ACC2400C

Страница 1: ...Block Diagrams 6 Wiring Diagrams 7 Schematic Diagrams SERVICE Manual CASSETTETYPEAIRCONDITIONER Cool and Heat ACH2400C ACH2800C ACC2400C ACC2800C ACC4400C Type ICH2400C ICH2800C ICC2400C ICC2800C ICC4400C Indoor Unit UCH2400C UCH2800C UCC2400C UCC2800C UCC4400C Outdoor Unit IFS095G05 Panel E DB81 00206A 3 DB81 00206A 3 3 28 02 5 40 PM Page 2 ...

Страница 2: ...ration of the air conditioner 9 Close the cap of each valve 2 Turn the 3 way valve clockwise to close connect the pressure gauge low pressure side to the service valve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure is should be 64 78psi in a regular high operation mode 6 Open the refrigerant tank and fill with refrigerant unt...

Страница 3: ...ection pipes in the middle and store together with the cables 7 Move the indoor and outdoor units to a new locatioon 8 Remove the mounting plate for the indoor unit and move it to a new location Pump down shall be carried out when an evaporator is replaced or when the unit is relocated in another area 1 Remove the caps from the two 3 way valves 3 Set the unit to cool operation mode Check if the co...

Страница 4: ... the tabs on the grille IMPORTANT You must give attention when disassembling the front grille and must check the safety clips have been installed If you don t ensure them the front grille will drop suddenly and you will be hurt 2 Remove the front grille 2 1 Remove the safety clips 2 2 Open the front grille about 45 and pull it forward 3 Pull out the filter air yyy yyy Safety Clip DB81 00206A 3 1 3...

Страница 5: ...l component box cover removing the screws 3EA 6 Disconnect the two cables between the assembly and the panel Stepping motor connectors 6 1 Disconnect the three cables between the assembly and the panel Stepping motor connector Receiver Display unit connector Optional Eye Front panel fixing holes Front Panel DB81 00206A 3 1 3 28 02 5 42 PM Page 4 ...

Страница 6: ... the front panel using two hooks on the both sides of the indoor unit Do 1 2 3 and 4 above 1 Remove the screws 6EA on the electrical component box and remove the cover plates 2 Open the control box yyy yyy Receiver Display Unit Optional Hook and Eye DB81 00206A 3 1 3 28 02 5 42 PM Page 5 ...

Страница 7: ...other end of the cable to the outdoor unit through the ceiling the hole on the wall between the control box and the assembly Do above 1 Disconnect FAN MOTOR wire connector thermistor wire connector drain pump wire connector 2 Disconnect wire connects to capacitor DB81 00206A 3 1 3 28 02 5 42 PM Page 6 ...

Страница 8: ...and motor 3 Disconnect float switch wire connected to terminal board F1 F2 4 Disconnect all connectors connected to PCB 5 Remove PCB s from assy case PCB 6 Remove the screws 9EA for disconnection of Bell mouth and cushion drain DB81 00206A 3 1 3 28 02 5 42 PM Page 7 ...

Страница 9: ...Disassembly and Reassembly 8 No Part name Procedures Picture Fan and motor Pump DB81 00206A 3 1 3 28 02 5 42 PM Page 8 ...

Страница 10: ...Disassembly and Reassembly 9 No Part name Procedures Picture Pump DB81 00206A 3 1 3 28 02 5 42 PM Page 9 ...

Страница 11: ...10 No Part name Procedures Picture Fan and motor 7 Seperate Bell mouth and Box Ass y from cushion drain 8 Loosen the nut and separate the assy holder fan 9 Lift down carefully the Ass y fan DB81 00206A 3 1 3 28 02 5 42 PM Page 10 ...

Страница 12: ...te the wire holder fixed the bottom floor 11 Remove the screw fixed onto the bracket wire fixed on the bottom of product and remove screw fixed onto earth wire and separate carefully the ass y motor in from the product after separation of nut of ass y motor in and grommet mount motor DB81 00206A 3 1 3 28 02 5 42 PM Page 11 ...

Страница 13: ... Pump Do 1 2 3 above 1 For separation of Ass y cushion drain from the main body Cabinet guide A 2EA Cabinet guide B 1EA Remove each cabinet power cord Remove the obstacles of pump drain and ass y sensor float wire due to the movement of BKT wire DB81 00206A 3 1 3 28 02 5 42 PM Page 12 ...

Страница 14: ...racket at each corner of cushion drain 3 Take out the CAP drain socket inserted in the ass y drain cushion to remove the condensate in the drain cushion Care must be taken for the taking out the condensate water 4 Lift down carefully the Ass y cushion drain from the main body 5 Loosen three screws fixing the pump drain DB81 00206A 3 1 3 28 02 5 43 PM Page 13 ...

Страница 15: ...utlet of pump drain 7 Separate from the BKT pump the pump drain separated from the main body from the BKT pump Do 1 4 1 Separate the partition front evap fixing the heat exchanger to the base of main body 2 Separate the holder evap 2 EA fixing the heat exchanger to the base of main body DB81 00206A 3 1 3 28 02 5 43 PM Page 14 ...

Страница 16: ...Disassembly and Reassembly 15 No Part name Procedures Picture 3 Separate holder guide evap 4 EA 4 Lift up the heat exchanger from the main body DB81 00206A 3 1 3 28 02 5 43 PM Page 15 ...

Страница 17: ...ssembly 16 No Part name Procedures Picture Front panel Cover Front Do above Push 3 cover front fixing screws inside the front panel and snap fixing part to separate the cover front DB81 00206A 3 1 3 28 02 5 43 PM Page 16 ...

Страница 18: ... the corner part cushion side A and cushion side B inside the front panel and then lift it up 2 Remove the screw of housing motor L R fixed at the corner part of front panel inside and separate Blade H 3 Separate the stepping motor from the housing motor L R and separate the motor wire connected DB81 00206A 3 1 3 28 02 5 43 PM Page 17 ...

Страница 19: ...nel Bio pure filter Optional Do above Remove two screws fixing cushion A inside the front and lift it up Do 1 1 and 1 above 1 Separate the bio pure filter from the filter air remove 4 fixingscrews 2 Lift up the bio pure filter case to take the filter out DB81 00206A 3 1 3 28 02 5 43 PM Page 18 ...

Страница 20: ...right to remove as it is a left turned screw 3 Disassemble the propeller fan Outdoor Unit 24K 28K No Part name Procedures Picture Cabinet Fan Motor Propeller Fan 1 Turn off the unit and remove the power cable 2 Remove the top cover 3 Remove the control box cover 4 Unplug the ass y cable 5 Remove the cabi side 6 Remove the cabi front When you assemble the parts check if the each parts and electric ...

Страница 21: ...20 MEMO DB81 00206A 3 1 3 28 02 5 43 PM Page 20 ...

Страница 22: ...connecting error In case of three phase power models REFERENCE PART EC01 EC02 EC03 EC04 EC05 EC06 EC07 EC08 ERROR CODE Reservation LED flickering 1Hz period Operation LED and reservation LED flickering 1Hz period Operation LED and filter LED flickering 1Hz period Reservation LED filter LED alternating flickering 1Hz period Reservation LED and filter LED flickering 1Hz period Operation LED and rese...

Страница 23: ...g with 1 Hz Action items when 5 displays on the wired remote controller 22 Indoor the indoor unit thermistor at CN8 NO YES YES Replace the indoor unit PCB NO Is the vlotage across the thermistor 4 9V and higher or 0 5V and lower Indoor unit thermistor installed at CN8 Check point Defect of indoor unit Indoor unit thermistor defect Replace the thermistor Install the indoor unit pipe thermistor at C...

Страница 24: ...on items when 6 displays on the wired remote controller stands for the indoor unit address Install the outdoor unit thermistor at CN41 NO YES YES Replace the outdoor unit PCB NO Is the voltage across the thermistor 4 9V and higher or 0 5V and lower Is the outdoor unit thermistor installed at CN41 Check point Defect of indoor unit Indoor unit thermistor defect Replace the thermistor DB81 00206A 3 1...

Страница 25: ... lamp are flickering with 1 Hz Action item when 9 displays on the wireless remote controller 24 Replace PCB Check point Indoor unit defect Drain pump float switch defect YES YES NO NO YES YES YES Is available float SW SW2 ON SET SW2 OFF SET SW3 OFF SET SW2 OFF SET SW3 OFF POWER RESET Start SW3 ON Install float SW stands for the indoor unit address SW2 ON Is available drain pump Check the float SW ...

Страница 26: ... unit PCB defect Outdoor unit PCB defect stands for the indoor unit address NO YES YES NO NO YES Indoor unit communication normal The Micom of outdoor unit is operating normally check and replace the communication circuit of outdoor unit and indoor unit Do connection correctly and check Are the terminals 1 2 3 of indoor unit and outdoor unit are correctly connected and is the set power on Is the L...

Страница 27: ...oor unit and wireless remote controller Indoor unit PCB defect Wired remote controller PCB defect 0 stands for the indoor unit address NO NO YES YES YES Connect correctly and check Connect correctly and check again NO Set address to 0 NO Replace the wired remote controller Are the terminals R1 R2 R3 of indoor unit terminal board connected correctly to R1 R2 R3 of wired remote controller Is 7P RED ...

Страница 28: ... with 1Hz Action item when D displays on the wired remote controller 27 Check point Indoor unit pipe thermistor available or not Indoor unit PCB defect stands for the indoor unit address NO NO YES YES Connect correctly and check Replace the outdoor PCB Is indoor pipe thermistor installed at CN41 Is the voltage across the thermistor 4 9V and higher or 0 5V and lower Replace the thermistor DB81 0020...

Страница 29: ...tly YES YES NO NO YES Insert correctly Check the Mis insertion on CN76 Check the pin no 4 of IC51 IC52 IC53 does this make round type signal IC correct Take two connected lines to change the string of L1 L2 L3 because of the reverse of power Replace wire Replace IC that does not make round type signal Wire shorted DB81 00206A 3 1 3 28 02 5 43 PM Page 28 ...

Страница 30: ...ess remote controller receiving board PCB Indoor unit PCB defect YES YES YES NO NO NO NO YES YES NO Insert correctly Mis insertion of CN9 LED direct reverse direction check Check no 1 and no 2 pin of CN9 DC 5V Check pin no 1 of CN9 while pressing SW91 DC 0V Replace the wireless receiving board Replace after check of indoor unit main PCB Wire shorted DB81 00206A 3 1 3 28 02 5 43 PM Page 29 ...

Страница 31: ... is reset Is the on off button command of wired remote controller reflected on the set When the power is applied again after removing the power at the operation on does the previous status display on the wired remote controller display window Check the main PCB of indoor unit and replace it Replace the wiring Is the wire of CN15 to indoor unit terminal board shorted Is CN20 of indoor unit main PCB...

Страница 32: ...rmal AC208 230 60Hz Is the wire harness for motor connection good Is the terminal contact of fan motor condenser good During the wind control does it change to breeze mild and strong wind Is he output pin of micom high when selecting each wind control mode When selecting the each wind control mode is the voltage across the replay of indoor unit PCB 12V When selecting each wind control of micom are...

Страница 33: ...n motor condenser good Does the outdoor fan motor changes to mild and strong wind during the cooling operation Do the RY73 RY74 operate Normal Check and replace the micom Check and replace the relay Check and replace IC07 Replace PCB Is the wind volume output pin of micom high when each wind control is operation Is the voltage across the PCB relay 12V when the each wind control of micom is opeatin...

Страница 34: ... current one during the cooling operation Is the desired temperature set lower than the current one during the cooling operation Is the RY71 on and compressor operting when cooling mode operates and indoor unit PCB is shorted Normal Check and replace micom IC04 Check and replace IC05 Replace the magnet replay Is the output of outdoor unit micom pin 57 high when the compressor is on Is the voltage ...

Страница 35: ...t PCB NO NO NO YES After check of the short circuit of harness for connecting the up and down swing motor operate the set in the cooling mode and oeprate the wind direction up and down and then perform the test Perform the operation on and do the up down swing action on Is the up down control panel normally operationg No short or wrong connection of connection of connector wire Are the voltage of ...

Страница 36: ... RY72 NO Replace the indoor PCB Check to confirm whether the wire is connected correctly between indoor unit and outdoor unit After checking of the shortage for the connector wire between indoor unit and dran pump operate it for cooling and checking compressor and then test it Is normal the DC12V DC5V output of indoor unit Is switch on the No 2 No 3 option switch of indoor unit Is LOW the No 6 pin...

Страница 37: ...nit normal Is the wire connected correctly between indoor unit and outdoor unit After check of short circuit on the wire between indoor unit and connector wire of float switch start the cooling operation and then check compressor operation and start the test Is the level of micon pin no 55 HIGH Check point Indoor unit PCB float switch connector wire voltage level of indoor unit micom pin no 55 Flo...

Страница 38: ...ilator Is the voltage of CN6 no 1 and 3 of indoor unit AC208V AC230V Is the output DC112V DC5V normal Is the wire correctly connected between indoor unit and outdoor unit after check of shot circuit between indoor unit and ventilator wire start the wind control and check the indoor fan and then start the test Is IC06 pin no 10 LOW Check point Indoor unit PCB ventilator connector wire output voltag...

Страница 39: ...N1 AC208V AC230V After checking the correct connection between indoor unit and outdoor unit and check again Check point Indoor unit AC208V AC230V input voltage DC12V output DC5V output output voltage of pin no 2 and 3 of CN15 Power transformer F101 F102 F701 DC12V output Check and replace IC02 No trouble on power transformer AC output Check and replace IC101 Check and replace power transformer DC5...

Страница 40: ...C208V AC230V Check to confirm whether the wire is connected correctly between indoor unit and outdoor unit Check point Outdoor unit AC208V AC230V input power DC12V output DC5V output Power transformer F101 F701 DC12V output Check and replace IC02 No check on power transformer AC Check and replace IC01 Check and replace power transformer DC5V output No trouble on the outdoor unit power system and f...

Страница 41: ...he address assignment for the relay equipment connected with centralized controller Defect on centralized controller PCB Defect on the indoor unit PCB Reset the power of SET and check the status of LED1 LED2 of Transmitter Replace the PCB of relay equipment Replace the relay equipment PCB Is the LED1 on after centralized controller on and off after centralized controller off Is the LED2 of relay e...

Страница 42: ...41 MEMO DB81 00206A 3 1 3 28 02 5 43 PM Page 41 ...

Страница 43: ...oded Views and Part LIst 4 1 Indoor Unit 42 14 18 17 18 19 22 25 34 36 31 38 37 39 20 28 29 24 42 27 26 30 32 33 20 21 40 6 7 2 4 8 1 3 9 10 5 13 11 16 15 23 35 34 1 12 DB81 00206A 3 2 3 28 02 5 44 PM Page 42 ...

Страница 44: ...7 00022A PARTITION BACK EVAP SGCC M T0 8 ACC4400C 1 26 DB61 00453A HOLDER EVAP SGCCM T0 8 2 2 2 DB61 00131A HOLDER EVAP SGCCM T0 8 2 DB61 00142A HOLDER EVAP SGCCM T0 8 2 27 DB61 00573A GUIDE AIR EVAP SGCC M T0 8 4 4 4 DB61 00231A GUIDE AIR EVAP SGCC M T0 8 4 DB61 00251A GUIDE AIR EVAP SGCC M T0 8 4 28 DB96 01232A ASSY TUBE COLLECTOR ACC 23ZA3 C1220T 1 1 DB96 00767A ASSY TUBE COLLECTOR ACE 18ZA3A C...

Страница 45: ...44 4 2 Panel Front Disassembly Diagram Panel Front 18 4 18 3 18 2 18 1 10 5 6 8 9 2 12 4 15 7 1 13 14 11 16 3 17 18 DB81 00206A 3 2 3 28 02 5 44 PM Page 44 ...

Страница 46: ...WIRE MOTOR CONNECT WIRE MOTOR MOTOR STEPPING COVER OUT A COVER OUT B COVER OUT C PLATE HANGER FILTER AIR ASSY GRILLE IN GRILLE AIR INLET KNOB SLIDE SPRING KNOB COVER KNOB ASSY WIRED REMOTE CONTROL HIPS EPS L182 W182 T38 5 W30 EPS L182 W182 T34 6 W20 EPS L526 W28 T18 4 W9 EPS L490 W66 T37 5 W33 HIPS T4 0 PPS GF HIPS HIPS AWG24 10 AWG 24 400 PLAT AWG24 10 AWG 24 1700 PLAT GSP 24RW 045 DC12V 40DB ABS...

Страница 47: ...3 1 16 7 16 2 16 3 16 6 16 16 1 16 4 14 2 14 1 14 10 9 14 4 18 14 3 16 5 3 13 13 1 13 2 18 1 13 4 2 7 5 6 11 4 1 8 13 3 15 13 1 17 2 8 13 15 13 3 4 3 Outdoor unit UCH2400C 2800C UCC2800C 2400C DB81 00206A 3 2 3 28 02 5 44 PM Page 46 ...

Страница 48: ...IAL MOTOR MOTOR BASE MOTOR ASS Y MOTOR BKT ASS Y PARTITION ASS Y PARTITION ASS Y PARTITION ASS Y COND ASS Y COND ASS Y COND ASS Y COND ASS Y COVER CONTROL ASS Y CABI BACK CABINET SIDE ASS Y CABI UPPER ASS Y COMP SCROLL ASS Y COMP SCROLL GROMMET COMP NUT WASHER ASS Y TUBE 4WAY V V ASS Y SVS V V 5 8 ASS Y TUBE 4WAY V V ASS Y SVS V V 5 8 VALVE SERVICE VALVE 4WAY VALVE 4WAY SWITCH PRESSURE SOLENOID CO...

Страница 49: ...48 Exploded views and parts list 27 7 2 1 1 8 1 25 26 9 11 13 11 1 11 2 24 23 12 1 12 2 5 10 12 15 1 22 3 4 6 16 14 15 21 18 17 20 19 UCC4400C DB81 00206A 3 2 3 28 02 5 44 PM Page 48 ...

Страница 50: ...071B ASSY COLLECTOR OUT UP ASS Y CI220T 0 1 12 DB96 01267A ASSY COND LOW WAVE 1 7 1 12 1 DB96 50073A ASSY COLLECTOR IN LOW ASS Y CI220T 0 1 12 2 DB96 50072B ASSY COLLECTOR OUT LOW ASS Y CI220T 0 1 13 DB61 30358B SUPPORTER UNIT OUT SGCC M T1 2 1 14 DB95 10279A ASS Y COMP CR42K6 PFV COPELAND 1 15 DB72 50587A INSULATION SOUND T12 W960 L380 FELT 1 16 DB90 00247A ASSY BASE OUT ASS Y SC 90073T 1 17 DB62...

Страница 51: ...50 MEMO DB81 00206A 3 2 3 28 02 5 44 PM Page 50 ...

Страница 52: ...ck Valve 3 Way Valve 3 Way Valve Indoor Unit Outdoor Unit Allowable pipe length Max 30m Allowable drop distance Max 15m Amount of refilling per extension length of 1m When extending the pipe length by more than 5m 40gr 50gr Outdoor Unit is higher than Indoor Unit of R 22 refrigerant should be refilled per extension length of 1m 5 Refrigerating Cycle Block Diagram 5 1 Model ACH2800C DB81 00206A 3 2...

Страница 53: ...lary Tube Check Valve 3 Way Valve 3 Way Valve Indoor Unit Outdoor Unit Allowable pipe length Max 30m Allowable drop distance Max 15m Amount of refilling per extension length of 1m When extending the pipe length by more than 5m 40gr 50gr Outdoor Unit is higher than Indoor Unit of R 22 refrigerant should be refilled per extension length of 1m 5 2 Model ACH2400C DB81 00206A 3 2 3 28 02 5 44 PM Page 5...

Страница 54: ...nit Allowable pipe length Max 30m Allowable drop distance Max 15m When extending the pipe length by more than 5m A gr of R 22 refrigerant should be refilled per extension length of 1m Refer to the table below for A 5 3 Model ACC2400C ACC2800C ACC4400C When indoor unit When outdoor unit Model is higher than is higher than outdoor unit indoor unit ACC2400C 40 50 ACC2800C ACC4400C 65 75 A DB81 00206A...

Страница 55: ...54 MEMO DB81 00206A 3 2 3 28 02 5 44 PM Page 54 ...

Страница 56: ...6 Wiring Diagrams 6 1 Indoor Unit ACH2400C ACH2800C ACC2800C ACC2400C ACC4400C 55 CODE NO DB68 02242A DB81 00206A 3 2 3 28 02 5 44 PM Page 55 ...

Страница 57: ...56 6 2 Outdoor Unit UCC2800C 2400C CODE NO DB68 02243A DB81 00206A 3 2 3 28 02 5 44 PM Page 56 ...

Страница 58: ...Wirning Diagram 57 UCH2800C UCH2400C CODE NO DB68 02244A DB81 00206A 3 2 3 28 02 5 44 PM Page 57 ...

Страница 59: ...58 Wirning Diagram UCC4400C CODE NO DB98 05375A DB81 00206A 3 2 3 28 02 5 44 PM Page 58 ...

Страница 60: ...Samsung Electronics 59 MEMO DB81 00206A 3 2 3 28 02 5 44 PM Page 59 ...

Страница 61: ...60 Samsung Electronics 7 Schematic Diagrams 7 1 Wired Remote Controller DB81 00206A 3 2 3 28 02 5 46 PM Page 60 ...

Страница 62: ...Samsung Electronics 61 7 2 Centralized Controller DB81 00206A 3 2 3 28 02 5 48 PM Page 61 ...

Страница 63: ...Samsung Electronics 63 7 3 Indoor Unit 62 Samsung Electronics ...

Страница 64: ...Samsung Electronics 65 64 Samsung Electronics 7 4 Outdoor Unit UCC2400C UCC2800C UCC4400C ...

Страница 65: ...Samsung Electronics 67 66 Samsung Electronics Outdoor Unit UCH 2800C UCH2400C ...

Страница 66: ...68 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 68 ...

Страница 67: ...tion please see the service website Itself Solution Integrated technology supporting electronic library http itself sec samsung co kr Copyright 2002 By Samsung Electronics Co Ltd All rights reserved This manual may not in whole or in part be copied photocopied reproduced translated or converted to any electronic or machine readable from without prior written permission of Samsung Electronics Co Lt...

Страница 68: ...70 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 70 ...

Страница 69: ...Samsung Electronics 71 MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 71 ...

Страница 70: ...72 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 72 ...

Страница 71: ...Samsung Electronics 73 MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 73 ...

Страница 72: ...74 Samsung Electronics MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 74 ...

Страница 73: ...Samsung Electronics 75 MEMO DB81 00206A 3 2 3 28 02 5 49 PM Page 75 ...

Страница 74: ...ELECTRONICS DB81 00206A 3 3 28 02 5 40 PM Page 1 ...

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