Page 1: Table Of Contents
CASSETTE TYPE AIR CONDITIONER (Cool and Heat) Type Indoor Unit Outdoor Unit Panel ACH1800E(1) ICH1800E UBH1800E IFS095G00/01 ACH2400E(1) ICH2400E UBH2400E IFS095G00/01 ACH3600G(1) ICH3600G UCH3600G IFS095G00/01 ACH4400G(1) ICH4400G UCH4400G IFS095G00/01 CH18ZA CH18ZA CH18ZAX CH01(02)ZAP CH24ZA CH24ZA CH24ZAX CH01(02)ZAP CH36ZA CH36ZA CH36ZAX...
Page 2: Precautions
10. Be sure to clean the unit and its surrounding Fig. 1-3 No Kids Nearby! area. 11. Be sure that the installed conditions are satisfactory and correct according to the specifications. Fig. 1-4 Clean the Unit Samsung Electronics...
Page 3 MEMO Samsung Electronics...
Page 4: Product Specifications
Turbo Turbo Turbo Turbo Turbo Turbo Turbo motor output Dimensions 29/34 29/34 34/40 34/40 29/34 29/34 34/40 34/40 Weight Net/Gross Panel Dimensions 5/10 5/10 5/10 5/10 5/10 5/10 5/10 5/10 Weight Net/Gross Outdoor Fan speed r.p.m. unit r.p.m. Samsung Electronics...
Page 5 Max. 15 Max. 15 Max. 25 Max. 25 Between Pipe length Max. 30 Max. 30 Max. 50 Max. 50 Max. 30 Max. 30 Max. 50 Max. 50 * Wind flow : It is data of heating standard opertion. Samsung Electronics...
Page 6 • Indoor Unit Dimensions (ICH1800E/ICH2400E/CH18ZA/CH24ZA/CH18CA/CH24CA) Unit : mm Liquid refrigerant port Water Supply Intake Gas refrigerant port Drain tube outlet Fixing bracket 950 (Dimensions of Front Panel) 880 (Cutting Dimensions of Ceiling) 766 (Space of Suspension Bolts) 840 (Outer Dimensions) Samsung Electronics...
Page 7 • Indoor Unit Dimensions (ICH3600G/ICH4400G/CH36ZA/CH44ZA/CH36CA/CH44CA) Unit : mm Liquid refrigerant port Water Supply Intake Gas refrigerant port Drain tube outlet Fixing bracket 950 (Dimensions of Front Panel) 880 (Cutting Dimensions of Ceiling) 766 (Space of Suspension Bolts) 840 (Outer Dimensions) Samsung Electronics...
Page 8 2-2-2 Outdoor Unit • Outdoor Unit Dimensions (UBH1800E/CH18ZAX/CH18CAX) (Front view) (Rear view) • Outdoor Unit Dimensions (UBH2400E/CH24ZAX/CH24CAX) (Front view) (Rear view) Samsung Electronics...
Page 9 Product Specifications • Outdoor Unit Dimensions (UCH3600G/CH36ZAX/UCH4400G/CH44ZAX/CH36CAX/CH44CAX) Input bolt fixing dimension 840mm 415mm Samsung Electronics...
Page 10 2-2-3 Remote control • Wired Remote Controller-Buttons and Display • Wireless Remote Controller-Buttons and Display Samsung Electronics...
Page 11: Centralized Controller
Product Specifications • Centralized Controller Samsung Electronics...
Page 12: Operating Instructions
3. Operating Instructions 3-1 Display on Indoor unit Timer indicator On/Off button Remote control sensor On/Off indicator Removing frost indicator Filter Sign indicator Samsung Electronics...
Page 13 To cancel the On Time, press the (Set/Cancel) button. The Off Timer enables you to switch off the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours. To cancel the On Time, press the (Set/Cancel) button. Samsung Electronics...
Page 14: Wireless Remote Controller
To cancel the On Time, press the (Set/Cancel) button. The Off Timer enables you to switch off the air conditioner automatically after a given period of time that is from 30 minutes to 24 hours. To cancel the On Time, press the (Set/Cancel) button. Samsung Electronics...
Page 15 (18˚C ~ 30˚C) Blowing Indoor fan motor operation only (breeze, weak, strong operation wind or weak, strong, turbo) Room temperature control according to the desired Heating temperature (16˚C ~ 30˚C) operation Samsung Electronics...
Page 16 Wind flow select Up and down operated only for rotation/stop (cassette type model mode rotation dedicated) Timer operation Reserved Selectable by wired & wireless remote controller and operation mode available for start, stop, start/stop reservation 30min ~ 24 hours Samsung Electronics...
Page 17 3-4 Micro Computer Block Diagram (Cassette) - Indoor Samsung Electronics...
Page 18 3-5 Micro Computer Block Diagram - Outdoor Samsung Electronics...
Page 19 MEMO Samsung Electronics...
Page 20: Installation
• The wind mode to rotate in the order of wind select button, Breeze → Weak → Strong → Fan Speed Wind auto → Breeze. • The blades ard moving between up and down. Flow Direction Samsung Electronics...
Page 21 <When doing the test operation with wireless remote remote controller. controller...> 3. When the wireless remote controller is on the TEST 1. Remove both batteries from the wireless remote MODE, press On/Off key to make the SET for the Test controller. operation. Samsung Electronics...
Page 22 Indoor unit ↔ wired remote controller Operation LED and reservation communication defect LED alternating flickering (1Hz period) Filter LED flickering (1Hz period) Restored when outdoor pipe Abnormal on outdoor pipe temperature sensor (4.9[V] and higher, 0.5[V] and lower temperature sensor is normal Samsung Electronics...
Page 23 Indoor unit control Group control Indoor unit 1 chamber control Basic specification Fixed to OFF Combined use of Able to operate of wired Disable to operate the wireless remote remote controller wireless remote controller controller (SLAVE MODE) (MASTER MODE) Samsung Electronics...
Page 24 DIP SWITCH OPTION ITEM SW ON SW OFF DEFAULT VENTILATOR FAN Not installed Installed DRAIN PUMP Installed Not installed FLOAT SWITCH Installed Not installed FILTER CLEANING PERIOD 1000 Hr 2000 Hr NORMAL SPEED HIGH SPEED INDOOR FAN MOTOR SPEED Samsung Electronics...
Page 25 • Adjust the address of digital switch of indoor unit PCB in “A” chamber to “0”. Adjust the address of digital switch of indoor unit PCB in “B” chamber to “1”. In such a way, adjust the address of digital switch up to chamber “F”. Samsung Electronics...
Page 26 • Put on the set power where the wired remote controller is installed. Caution : • The option can be applied when the power is put again after resetting the option of wired remote controller. Be sure to keep the set power on/off after option setting. Samsung Electronics...
Page 27 • The communicating line between the wired remote controller required and for the time with 16 chamber during and indoor unit shall be of 100 m at maximum. the reservation operation, 64 seconds are required due to the increase of communicating data. Samsung Electronics...
Page 28 • The first digit of error code displayed during the single operation and group operation may be different. The first digit(MSB) stands for the address of the set where the error occurs. Since it is the single operation, the address of SET is “0”. Samsung Electronics...
Page 29 • For the reservation operation, the communication time between all 16 chambers is required for 64 seconds due to the increase of communication data. • The first digit (MSB) of error code displayed during the group operation stands for the address of SET where the error occurs. 4-10 Samsung Electronics...
Page 30 3 kinds of level. BUTTON NAME FUNCTION ALL1 • To put on all 16 chambers' set. ALL0 • To put off all 16 chambers' set. "01" ~ "16" • To put on/off set assigned with the number. Samsung Electronics 4-11...
Page 31 + centralized controller) System 4-3-3 Chambers Cnetralized Control System Connection Diagram "A" chamber "B" chamber "P" chamber "C" ~ "O" chamber Indoor unit Indoor unit Indoor unit 01 02 Transmitter 01 02 Transmitter 01 02 Transmitter 01 02 4-12 Samsung Electronics...
Page 32 • After the resetting of operation level of centralized controller, it is not necessary to reset the power differently from that of wired remote controller. In other words, the operation level can be reset even during the operation if required. Samsung Electronics 4-13...
Page 33 C area : only the centralized controller operates but F area : only the centralized controller operates but LEVEL 2 the wired and wireless remote controller do not the wired and wireless remote controller do not work. work. 4-14 Samsung Electronics...
Page 34: Selecting Area For Installation
Remark : The distance of “ ” sign will equal 20 cm , (see the figure). The selection depends on the if you close the air outlet on that side. shape of the room and installation location of indoor units. Samsung Electronics 4-15...
Page 35 1.5 m. Outdoor unit 0.15 m. 1.5 m. Oil trap (Must be installed every 6m) Indoor unit Wall Building Radius Oil trap (suction tube) 4-16 Samsung Electronics...
Page 36 (including near machines), salty areas such as coast areas, areas where sulfuric gas is present such as hot spring areas, large variance in electricity voltage such as in a factory. Contact your dealer for advice. Samsung Electronics 4-17...
Page 37: Air Conditioner And Accessories
M4 X 16 Tapped KR-H60110 Screw(7) Transmitter(1) Spacer Support(4) Cable-Tie(2) KT-A00 Bio-Pure Filter(1) M4 X 10 Tapped Air blocking Kit(1) KAB-A00 KF-C1B0 Screw(4) yyyy yyyy NOTE : Refrigeration pipes and their insulating materials, power cables are not supplied. 4-18 Samsung Electronics...
Page 38: Installation Diagram Of Indoor Unit And Outdoor Unit
“H”metres maximum Model Drain hose 35cm The appearance of the outdoor unit may be different from the diagram depending on the model. Space requirement when installing the indoor unit 1500mm or more 17mm 20mm 1000mm or more Samsung Electronics 4-19...
Page 39 Drain hose 35cm The appearance of the outdoor unit may be different from the diagram depending on the model. Space requirement when installing the indoor unit (In case of 1500mm or more 17mm 20mm 1000mm or more Obstacle 4-20 Samsung Electronics...
Page 40 Since the diagram is made of paper, it may shrink or stretch Pad stopper slightly due to temperature or humidity. For this reason, before Bracket drilling the holes maintain the correct dimensions between the markings; refer to page 2-3. Samsung Electronics 4-21...
Page 41 5. For further details on how to plug the other end of the connection cord into the outdoor unit, Ceiling 17mm refer to page 4-25, 4-26. Gauge of Dimensions Cable Clamp (1ø, 220V-240V~, 50Hz) Cable Clamp (3ø, 380V-415V~, 50Hz) 4-22 Samsung Electronics...
Page 42 (Optional) EARTH MAIN POWER Outdoor Unit MAIN POWER Cable Specifications The following electrical characteristics must be respected. MODEL ACH1800E/2400E, CH18ZA/24ZA, CH18CA/24CA Note Power 1Ø - 220V-240V~, 50Hz The power cables are not Sub switch supplied with the air conditioner. Fuse The user should purchase them Min.
Page 43 When connecting the cables to H07RN-F, 4G, 1.0mm from/to the indoor/outdoor unit the main power, you should 20m or less H07RN-F, 3G, 2.5mm connect each cable(L1, L2 & Size of electric input wires L3) properly. 50m or less H07RN-F, 3G, 4.0mm 4-24 Samsung Electronics...
Page 44 Indoor Unit EARTH Communication Power Outdoor Unit Power Cable Auxiliary circuit breaker Wiring Diagram Caution : Keep the power cable and the connection cord in a steel pipe to protect them against liquids, outside impacts and so on. Samsung Electronics 4-25...
Page 45 Indoor Unit Communication Power EARTH Outdoor Unit Power Cable Auxiliary circuit breaker Wiring Diagram Caution : Keep the power cable and the connection cord in a steel pipe to protect them against liquids, outside impacts and so on. 4-26 Samsung Electronics...
Page 46 NOTE : Attach the drain hose to the drain tube outlet with the adhesives to prevent water leaks, then secure the hose with a band etc..(The band is not supplied with the air conditioner.) Samsung Electronics 4-27...
Page 47 Fasten the hose to a wall, frame or other support as close to the unit as possible. Support pieces Upward gradient 1~1.5m 1/100 or more Ceiling Ceiling 4-28 Samsung Electronics...
Page 48 Outer Diameter Torque (kgf • NOTE : You can check the drainage only when the air 19.52 mm (3/8") conditioner is turned on. 15.88 mm (5/8") 4. Reassemble the cover drain pump and the screws. Samsung Electronics 4-29...
Page 49 5. It would be necessary to double the insulation thickness to prevent condensation even on the insulator when if the installed area is warm and humid. 6. Shape an oil trap as shown in figure. The oil trap must be formed every level difference of 4-30 Samsung Electronics...
Page 50 15.88 mm (5/8") 19.05 mm (3/4") 7. For further details on how to connect up to the outdoor unit and purge the circuit. Caution : In case of welding the pipe, you must weld with nitrogen gas blowing. Samsung Electronics 4-31...
Page 51 UBH2400E, CH24ZAX, CH24CAX 660mm 340mm UCH3600G, UCH4400G CH36ZAX, CH44ZAX 840mm 415mm CH36CAX, CH44CAX 3. If the outdoor unit is exposed to strong winds, install shield plates around the outdoor unit, so that the fan can operate correctly. 4-32 Samsung Electronics...
Page 52 Liquid Suction(gas) pipe side pipe side 7. Check the leakage on the connections. (A, B, C, D) Liquid Suction(gas) valve valve 8. Check each valve for leakage. Outdoor Unit Samsung Electronics 4-33...
Page 53: Refrigerant Refill
7. Close the suction valve, disconnect the pressure gauge, and open the suction valve again. Caution : • You must not add the R407C refrigerant without purging and vacuum procedure. 8. Close the cap of each valve. 4-34 Samsung Electronics...
Page 54: Pump Down" Procedure
This operation can only be performed by a qualified refrigeration specialist. If you have used... Then... Type More than 5 metres “B”g of refrigerant (“C”) ACH1800E, CH18ZA of the pipes must be added for each ACH2400E, CH24ZA extra metre. R-22...
Page 55: Performing Leak Tests
Thus, when refrigerant leakage occurs in use, you must purge and make vacuous with a vacuum pump before adding the refrigerant. Then put the optimal quantity of refrigerant newly. In addition, the refrigerant must be added in liquid phase. 4-36 Samsung Electronics...
Page 56 After removing the cushion Blocking that is installed in the air outlet of ACH3600G/4400G and CH36ZA/44ZA to install the air blocking. 4. Install the front panel using two hooks on the both sides of the indoor unit. Hook and Eye Samsung Electronics 4-37...
Page 57: Setting Up Option Switches
Drain Pump Installed Not installed Float Switch Installed Not installed Filter Cleaning Cycle 1,000 hours 2,000 hours Indoor Fan Motor Speed Normal High speed Note : Make sure that the No.2 and No.3 switches are at “ON” position. 4-38 Samsung Electronics...
Page 58 You must not adjust the switch 1 and 3. They should be in “OFF” position at all times. Switch Position Switch Option Item Group One indoor unit Number of air conditioner(s) controlled controlling controlling by the wired remote controller Using wireless remote controller Can be used Cannot be used Samsung Electronics 4-39...
Page 59 Transmitter Note : Before setting up the options, always make sure that you have switched off the main power. Note : After adjusting the options, you should supply the power. Otherwise, the options will not be applied. 4-40 Samsung Electronics...
Page 60: Wired Remote Controller Installation
3. Connect the R1, R2 and R3 terminals in the wall not to be touched by users. wired remote controller to the R1, R2 and R3 terminals on the electrical component box each. Indoor Unit Wired Remote Controller Samsung Electronics 4-41...
Page 61 Max. length of electric wires from the indoor unit to the centralized 4. Connect the cable from the PCB to the controller transmitter. And connect another cable from the O1, O2 terminals to the transmitter as shown in figure. 4-42 Samsung Electronics...
Page 62 •Optional kits must be installed by an air conditioner specialist. 1. Disassemble three screws on the place where •Before installing the optional kits, ensure that you have turned you would like to install the receiver & display off the main power. unit, inside the front panel. Samsung Electronics 4-43...
Page 63 4. Pull out the air filter. 5. Locate the bio-pure filter on the center of the air filter. 6. Secure the bio-pure filter with four screws. 7. Reinstall the filter and the front grille. 4-44 Samsung Electronics...
Page 64 0). 6. Adjust the DIP switch No. 2 in the wired remote controller to “ON” position. Note : You cannot install the centralized controller when the wired remote controller for a group has already been installed. Samsung Electronics 4-45...
Page 65 5. Adjust the rotary digital switch on the transmitter to the desired position referring to the table on page 4-40. Centralized controller Note : You cannot install the centralized controller when the wired remote controller for a group has already been installed. 4-46 Samsung Electronics...
Page 66 8. The air conditioner will switch it off automati- 4. Press the Swing( ) button and check that the cally after 3 minutes. air flow blades work properly. 5. The air conditioner will switch it off automatically after 3 minutes. Samsung Electronics 4-47...
Page 67 Three phase power incorrect Three phase power connecting connecting error(In case of three PCB of the outdoor unit phase power models) Example : “39” means the address “3” indoor unit has a trouble with a float switch. 4-48 Samsung Electronics...
Page 68 PCB of the outdoor unit Three phase power incorrect Three phase power connecting connecting error(In case of three phase PCB of the outdoor unit power models) : OFF : Blinking : Blinking at once : Blinking alternately Samsung Electronics 4-49...
Page 69 MEMO 4-50 Samsung Electronics...
Page 70: Disassembly And Reassembly
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. Safety Clip Samsung Electronics...
Page 71 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 Front Panel (Optional) Samsung Electronics...
Page 72 Hook and Eye Electronic part 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. Samsung Electronics...
Page 73 Method 1 Do ! above Fan and motor 1. Disconnect FAN MOTOR wire connector, thermistor wire connector, drain pump wire connector. 2. Disconnect wire connects to capacitor. Samsung Electronics...
Page 74 Fan 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. Samsung Electronics...
Page 75 Disassembly and Reassembly Part name Procedures Picture Fan and motor Pump Samsung Electronics...
Page 76 Disassembly and Reassembly Part name Procedures Picture Pump Samsung Electronics...
Page 77 Disassembly and Reassembly 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. Samsung Electronics...
Page 78 11.Remove the screw fixed onto the bracket wire fixed on the bottom of product and remove screw fixed noto 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. Samsung Electronics...
Page 79 ! 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. 5-10 Samsung Electronics...
Page 80 * 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. Samsung Electronics 5-11...
Page 81 BKT pump. Heat exchanger Do $-1 ~ $-4 1. Separate the cover pipe at the side of main body from main body. 2. Separate the partition front evap fixing the heat exchanger to the base of main body. 5-12 Samsung Electronics...
Page 82 Part name Procedures Picture 3. Separate the holder evap (2 EA) fixing the heat exchanger to the base of main body. 4. Separate holder guide evap (4 EA). 5. Lift up the heat exchanger from the main body. Samsung Electronics 5-13...
Page 83 Disassembly and Reassembly Part name Procedures Picture Front panel Do ! above -Cover Front Push 3 cover front fixing screws inside the front panel and snap fixing part to separate the cover front. 5-14 Samsung Electronics...
Page 84 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. Samsung Electronics 5-15...
Page 85 Front panel Do 1-!, 1-@ and 1-# above - Bio-pure filter 1. Separate the bio pure filter from the filter (Optional) air. (remove 4 fixingscrews) 2. Lift up the bio pure filter case to take the filter out. 5-16 Samsung Electronics...
Page 86 Fan Motor & 1) Do Procedure 1 above. Propeller Fan 2) Remove the nut flange. (Turn to the right to remove as it is a left turned screw) 3) Disassemble the propeller fan. Samsung Electronics 5-17...
Page 87 1) Packaged air conditioner outdoor unit 2) The binders of the front side should be separated. 3) The flank and the binders should be separated from each other. Control box 1) Connect distributed wires in the control box. 5-18 Samsung Electronics...
Page 88: Troubleshooting
The asterisk mark “ * ” + “ERROR” CODE of wired remote controller stands for the set number. ex) ERROR CODE “39” is the FLOAT SWITCH OPEN ERROR of SET no.3. Trouble shooting by outdoor unit error code ERROR DESCRIPTION REFERENCE PART ERROR CODE Communication error between indoor unit and centralized controller EC20 LED flickering Samsung Electronics...
Page 89 - Indoor unit pipe thermistor defect Is the indoor unit pipe thermistor installed at CN8? Install the indoor unit pipe thermistor at CN8 Is the voltage across thermistor 4.9V and higher Replace the indoor unit or 0.5V lower? Replace the thermistor Samsung Electronics...
Page 90 Is the outdoor unit thermistor installed at CN41? Install the outdoor unit thermistor at CN41. Is the voltage across the thermistor 4.9V and Replace the outdoor unit PCB higher or 0.5V and lower? Replace the thermistor “*” stands for the indoor unit address. Samsung Electronics...
Page 91 Is available float SW2 ON? SW3 ON? Replace pump? indoor unit Install float SW SW2 ON? Replace PCB SET SW2 OFF SET SW2 OFF SET SW3 OFF SET SW3 OFF POWER RESET “*” stands for the indoor unit address. Samsung Electronics...
Page 92 The Micom of outdoor unit is operating normally, Is the LED of PCB flickering with 16Hz? check and replace the communication circuit of outdoor unit and indoor unit. Replace the PCB “*” stands for the indoor unit address. Samsung Electronics...
Page 93 Is the jump wire inserted into CN20 of indoor unit PCB? Is the address of PCB digital switch of indoor unit to "0"? Set address to "0" Replace the indoor unit PCB Replace the wired remote controller “0” stands for the indoor unit address. Samsung Electronics...
Page 94 Is indoor pipe thermistor installed at CN41? Connect correctly and check. Is the voltage across the thermistor 4.9V and higher Replace the outdoor PCB or 0.5V and lower? Replace the thermistor “*” stands for the indoor unit address. Samsung Electronics...
Page 95 Check the pin no 4 of IC51, IC52, IC53, does this make round type signal? IC correct Replace wire Take two connected lines to change the string of Replace IC that does not L1, L2, L3 because of the reverse of power. make round type signal Samsung Electronics...
Page 96 Wire shorted? LED direct/reverse direction check? Check no.1 and no.2 pin of CN9:DC +5V? Check pin no.1 of CN9 while pressing Replace the wireless receiving board SW91 : DC 0V? Replace after check of indoor unit main PCB Samsung Electronics...
Page 97 R1, R2, unit PCB R3 of indoor unit terminal boards? Does the error code display? Connect correctly the R1, R2, R3 Error correction and recheck Check the main PCB of indoor unit and replace it. 6-10 Samsung Electronics...
Page 98 Check IC06 and micom, are the pin 14 and 15 of indoor replace unit PCB IC06 low? Is the voltage across the indoor unit fan Replace PCB AC220 ~ 240V? Check the indoor unit fan motor and replace Samsung Electronics 6-11...
Page 99 Are the pins 11 and 12 of IC07 of outdoor Check and replace unit PCB low when each wind control mode IC07 micom is operation? Is the voltage across the outdoor unit Replace PCB fan motor AC220~240V? Check outdoor unit fan motor and replace 6-12 Samsung Electronics...
Page 100 Is the output of NO. 10 of IC05 of outdoor Check and replace unit low then the compressor is on? IC05 Is the voltage AC220V across the terminal Replace the magnet of outdoor unit when the compressor is on? replay Replace the compressor Samsung Electronics 6-13...
Page 101 Are the voltage of pin no. 1 and 6 of indoor unit PCB DC 12V? Is the output of pin no. 2, 3, 4, and 5 of CN 12 and 13 of indoor unit PCB spherical? Replace up and down swing motor Replace indoor unit 6-14 Samsung Electronics...
Page 102 Is “HIGH” the No.11 pin output of IC06? micom Is DC12V the relay both voltage of RY72? Repace the RY72 Is AC220V~AC240V of the No.1, No3 pin both voltage Replace the indoor of CN5. PCB. Check the drain pump and replace. Samsung Electronics 6-15...
Page 103 Put on and then reset the power ERROR CODE = “09” Normal ERROR DISPLAY = FLICKERING Is the level of micon pin no.55 Replace indoor unit PCB “HIGH” Are no.2 and 3 of option swithch of indoor unit on? 6-16 Samsung Electronics...
Page 104 Is IC06 pin no. 10 “LOW”? Check and replace IC06 Is the voltage across RY77 normal? Check and replace RY77 Is the voltage of CN6 no.1 and 3 of indoor unit Replace indoor unit PCB AC220V~AC240V? Check and replace ventilator Samsung Electronics 6-17...
Page 105 No trouble on F101, F102, F701? Replace fuse DC12V output? DC5V output? Check and replace IC02 Check and replace power No trouble on power transformer transformer AC output? Check and replace IC101 No trouble on the power system and finish the test 6-18 Samsung Electronics...
Page 106 Replace fuse DC12V output? DC5V output? Check and replace IC02 Check and replace power No check on power transformer transformer AC? Check and replace IC01 No trouble on the outdoor unit power system and finish the test Samsung Electronics 6-19 6-19...
Page 107 Is the LED1 on after centralized controller on and Replace the PCB of relay equipmint off after centralized controller off? Is the LED2 of relay equipment PCB flickering with Replace the relay equipment PCB the consistent interval? Replace the PCB of centralized controller 6-20 Samsung Electronics Samsung Electronics...
Page 108 MEMO Samsung Electronics 6-21...
Page 109 7. Exploded Views and Part LIst 7-1 Indoor Unit Samsung Electronics...
Page 110: Exploded Views And Parts List
Exploded views and parts list Part List Q'TY Remarks Code No. Description Specification ACH1800E ACH2400E ACH3600G ACH4400G CH18CA CH24CA CH36CA CH44CA CH18ZA CH24ZA CH36ZA CH44ZA GUARD-SAFETY DB63-00058A DB63-00050A COVER-CONTROL SGCCM, T0.7 DB63-00049A COVER-PCB SGCCM, T0.7 DB90-00127A ASSY-CASE-CONTROL P/D SPOT ASSY...
Page 111 Exploded Views and Part LIst 7-2 Panel Front Disassembly Diagram • Panel Front 17-4 17-3 17-2 17-1 Samsung Electronics...
Page 112 FILTER-AIR PP, T20, BLK DB92-00029A ASSY-GRILLE IN ASSY 17-1 DB64-00050A GRILLE-AIR INLET HIPS 17-2 DB64-00052A KNOB-SLIDE HIPS 17-3 DB67-00030A SPRING-KNOB 0D 5.5, STS304, L34 17-4 DB63-00040A COVER-KNOB HIPS DB97-00254A ASSY-WIRED REMOTE CONTROL ASSY DB97-00255A ASSY-WIRELESS REMOTE CONTROL ASSY Samsung Electronics...
Page 113 Exploded Views and Part LIst 7-3 Outdoor Unit • 18K 13-3 15-5 15-4 15-1 12-2 12-1 15-6 13-2 15-7 15-3 15-2 14-3 13-1 14-1 14-2 Samsung Electronics...
Page 114 CAPACITOR 40UF/400V, COMP DB65-40022G TERMINAL-BLOCK 6P, 600V, 35A 15-3 15-4 PD-DH2400-S0 ASS'Y-PCB PART ASS'Y CASE-PCB, OUT T2.5, ABS, BLK 15-5 DB61-00152A 15-6 DB26-10070A TRANS-POWER DC17, AC230 15-7 2301-001370 CAPACITOR MOTOR 2.5µF, EAF45255 DB72-00122A CLOTH-SOUND, COMP T12, W800, L350 Samsung Electronics...
Page 115 Exploded views and parts list • 24K 13-3 14-3 14-1 14-2 14-4 12-2 12-1 15-5 15-4 15-1 15-6 13-2 13-1 15-7 15-3 15-2 17-1 13-1 Samsung Electronics...
Page 116 15-6 DB26 - 10070A TRANS-POWER DC17, AC230 15-7 2301 - 001369 CAPACITOR MOTOR 3µF, EAF45305 DB72 - 00122A CLOTH-SOUND, COMP T12, W800, L350 DB96 - 00477A ASS’Y DRIER CH24CA CH24CA 17-1 DB62 - 00426A TUBE DRIER NEW REFRIGERANT Samsung Electronics...
Page 117 Exploded views and parts list • 36K/44K 11-1 11-2 12-3 Samsung Electronics...
Page 118 ASSY COND-LOW CH44CA DB96-00358A ASSY COND-LOW UCH3600G DB90-00194A ASSY-PLATE TOP SC-91438T DB63-30110C SCREEN-GUARD P.E.H 100% DB67-90017B HANDLE DB32-00021B THERMISTOR 103AT, 10KOHM DB95-30013F ASSY HEATER-COMP SCH80W DB95-30013G SCH40W PD-DH3200-S2 ASSY PCB PARTS:ADH44 OUTDOOR PCB DB96-00542A ASS’Y TUBE DRYER ASS’Y Samsung Electronics 7-10...
Page 119 MEMO 7-11 Samsung Electronics...
Page 120: Block Diagrams
8. Block Diagrams 8-1 Refrigerating Cycle Block Diagram •Model : ACH1800E, ACH2400E, CH18ZA, CH24ZA *Allowable pipe length : Max. 30m Indoor Unit Outdoor Unit *Allowable drop distance : Max. 15m Check Valve 3-Way Valve Capallary Tube Capillary Check Tube Valve...
Page 121 1m. : CH44CA When extending the pipe length by more than 5m, 45gr(40gr: Outdoor Unit is higher than Indoor Unit) of R407C refrigerant should be refilled per extension length of 1m. : CH36CA Samsung Electronics...
Page 122 Buzzer control temperature detector ASS'Y PANNEL PCB DC power part Modem communicating (+5V) circuit ASS'Y MAIN PCB TRANSMITTER DC power part AC power part (+5V) Wired communicating Wired remote circuit TRANSFORMER AC220V/50Hz controller AC power part WIRED REMOTE CONTROLLER Samsung Electronics...
Page 123 Load Driving Part Compressor Outdoor fan motor Indoor/outdoor Outdoor pipe Indoor communicating temperature unit circuit detector MICOM Reset part Outdoor temperature detector DC power part (+5V) ASS'Y MAIN PCB DC power part AC power part (+5V) TRANSFORMER AC220V/50Hz Samsung Electronics...
Page 124 18.700 4.444 19.480 4.594 20.290 4.749 21.150 4.912 22.050 5.080 22.990 5.256 23.990 5.439 25.030 5.630 26.130 5.828 27.280 6.033 28.470 6.246 29.720 6.468 31.040 6.699 32.430 6.941 33.890 7.192 35.430 7.455 37.050 7.729 38.760 8.015 40.560 8.313 Samsung Electronics...
Page 125 MEMO Samsung Electronics...
Page 126: Pcb Diagrams
9. PCB Diagrams 9-1 Main PCB 9-1-1 Indoor Unit (18K/24K) Samsung Electronics...
Page 127 LED-LAMP LED2 LED-LAMP GREEN C702,C703 C-FILM DISK,4.7NF C602 C-CERAMIC AXIAL,4.7NF(472) C101,C103,C105,C209,C210,C501,C302,C603 C-CERAMIC AXIAL,100NF(104) C205-C208,C402-C404,C502,C204,C405 C202,C203 C-CERAMIC AXIAL,10NF(103) C704 C-FILM DISK,10NF(103) C601 C-CERAMIC AXIAL,101 C211 C-CERAMIC AXIAL,1NF(102) C102 C-AL 1000uF/35V C104 C-AL 2200uF/25V C105 C-AL 470uF/25V C106 C-AL 1uF/16V Samsung Electronics...
Page 128 R-CELENT 10K-J 5W RY72 ~ RY77 RELAY-MINIATURE JQ1A-12V F701 FUSE T3.15A 250V HOLDER HOLDER FH-51H 7.5A F101 FUSE F2A250V HOLDER HOLDER FH-51M 7.5A F102 FUSE F0.5A 250 HOLDER HOLDER FH-51M 7.5A FT71 NOISE FILTER HP1-P16 VA71 VARISTOR 1NR14D471 Samsung Electronics...
Page 129 • Indoor Unit (18K/24K/36K/44K) Samsung Electronics...
Page 130 C602 C-CERAMIC AXIAL,4.7NF(472) C101,C103,C105,C209,C210,C501,C302,C603 C-CERAMIC AXIAL,100NF(104) C205-C208,C402-C404,C502,C204,C405 C202,C203 C-CERAMIC AXIAL,10NF(103) C704 C-FILM DISK,10NF(103) C601 C-CERAMIC AXIAL,101 C211 C-CERAMIC AXIAL,1NF(102) C102 C-AL 1000uF/35V C104 C-AL 2200uF/25V C105 C-AL 470uF/25V C106 C-AL 1uF/16V C503,C701 C-AL 100uF/16V R201,R218,R501-R503,R608,R405,R406,R215 R-CARBON 10K-J 1/8W Samsung Electronics...
Page 131 RY72 ~ RY77 RELAY-MINIATURE JQ1A-12V RY73 ~ RY76 RELAY-MINIATURE CS11-12SH F701 FUSE T3.15A 250V HOLDER HOLDER FH-51H 7.5A F101 FUSE F2A250V HOLDER HOLDER FH-51M 7.5A F102 FUSE F0.5A 250 HOLDER HOLDER FH-51M 7.5A FT71 NOISE FILTER HP1-P16 VA71 VARISTOR 1NR14D471 Samsung Electronics...
Page 132 9-1-2 Outdoor Unit (18K/24K) Samsung Electronics...
Page 133 Parts list Outdoor Part List (ACH1800E, CH18CA, ACH2400E, CH24CA) : PD-DH2400-S0 Mark Parts Name Specification J01-J03,J05-J10,OPJ JUMP WIRE PI 0.6 SN T 52MM IC-MCU KS88C46 IC05-IC07 IC-LINEAR KA2657 PC31,PC32 PHOTO-COUPLER PC817 IC03 IC-RESET KA7533 IC02 IC-VOLTAGE-REG KA7805 IC01 IC-VOLTAGE-REG KA7812...
Page 134 • Outdoor Unit (18K/24K/36K/44K) Samsung Electronics...
Page 135 CONNECTOR HEADER YW396-05AV-WHT CN71 CONNECTOR HEADER YW396-03AV-BLK CN74 CONNECTOR HEADER YW396-03AV-BLU CN41 CONNECTOR HEADER SMW250-04-WHT CN11 CONNECTOR HEADER SMW250-03-RED CN72 CONNECTOR HEADER YDW236-01-WHT GT1,GT2 GT PIN TB1,TB2 TERMINAL 1P,TAB SWITCH TACT DISPLAY 7-SEG 2-DIGIT DS71 DISCHARGER MP-332MA 9-10 Samsung Electronics...
Page 136 CN71 CONNECTOR HEADER YW396-03AV-BLK CN74 CONNECTOR HEADER YW396-03AV-BLU CN41 CONNECTOR HEADER SMW250-04-WHT CN11 CONNECTOR HEADER SMW250-03-RED CN72 CONNECTOR HEADER YDW236-01-WHT RY72,RY73 RELAY-MINIATURE CS11-12SH GT1,GT2 GT PIN TB1,TB2 TERMINAL 1P,TAB SWITCH TACT DISPLAY 7-SEG 2-DIGIT DS71 DISCHARGER MP-332MA Samsung Electronics 9-11...
Page 137 MEMO 9-12 Samsung Electronics...
Page 138: Wiring Diagrams
10. Wiring Diagrams 10-1 Indoor Unit • 18K/24K CASSETTE TYPE AIRCONDTIONER Samsung Electronics 10-1...
Page 139 Wiring Diagrams • 36K/44K CASSETTE TYPE AIRCONDTIONER 10-2 Samsung Electronics...
Page 140 10-2 Outdoor Unit • 18K/24K BUILT-IN AIRCONDITIONER CODE NO : DB68-00866A Samsung Electronics 10-3...
Page 141 Wiring Diagrams • 36K/44K BUILT-IN AIRCONDITIONER CODE NO : DB68-00866A 10-4 Samsung Electronics...
Page 142 11. Schematic Diagrams 11-1 Wired Remote Controller Samsung Electronics 11-1...
Page 143 11-2 Centralized Controller 11-2 Samsung Electronics...
Page 144 11-3. Indoor Unit (18K/24K) Samsung Electronics 11-3...
Page 145 • Indoor Unit (36K/44K) 11-4 Samsung Electronics...
Page 146 11-4. Outdoor Unit (18/24K) Samsung Electronics 11-5...
Page 147 • Outdoor Unit (36K/44K) 11-6 Samsung Electronics...
Page 148 MEMO Samsung Electronics 11-7...
Page 149 If only parts number changes, Just change parts number directly on parts list. And if you need more information, please see the service bulletin Copyright Trademarks © 1995 by Samsung Electronics Co., Ltd. Samsung is a registered trademark and All rights reserved. SyncMaster 17GLi/CMG7387L and MacMaster...

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