Samsung IDH1800E Service Manual

Duct type air conditioner
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SERVICE
AIR CONDITIONER
DUCT TYPE AIR CONDITIONER
(Cool and Heat)
TYPE
INDOOR UNIT
ADH1800E
IDH1800E
ADH2400E
IDH2400E
ADH3200E
IDH3200E
DH18ZA1(A2)
DH18ZA1(A2)
DH24ZA1(A2)
DH24ZA1(A2)
DH32ZA1(A2)
DH32ZA1(A2)
Manual
1. Precautions
2. Product Specifications
3. Operating Instructions
4. Installation
5. Disassembly and Reassembly
6. Troubleshooting
7. Exploded Views and Parts List
8. Block Diagrams
9. PCB Diagrams
10. Schematic Diagrams
11. Wiring Diagrams
OUTDOOR UNIT
UBH1800E
UBH2400E
UDH3200E
DH18ZAX
DH24ZAX
DH32ZAX
CONTENTS

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Summary of Contents for Samsung IDH1800E

  • Page 1 DUCT TYPE AIR CONDITIONER (Cool and Heat) TYPE INDOOR UNIT OUTDOOR UNIT UBH1800E ADH1800E IDH1800E UBH2400E ADH2400E IDH2400E ADH3200E IDH3200E UDH3200E DH18ZA1(A2) DH18ZA1(A2) DH18ZAX DH24ZA1(A2) DH24ZA1(A2) DH24ZAX DH32ZA1(A2) DH32ZA1(A2) DH32ZAX SERVICE Manual AIR CONDITIONER CONTENTS 1. Precautions 2. Product Specifications 3.
  • Page 2: Precautions

    Fig. 1-3 No Kids Nearby! 10. Be sure to clean the unit and its surrounding 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

    2. Product Specifications 2-1 Table of Specifications (Duct Type) IDH1800E/DH18ZA1(A2) IDH2400E/DH24ZA1(A2) IDH3200E/DH32ZA1(A2) INDOOR UNIT MODEL UBH1800E/DH18ZAX UBH2400E/DH24ZAX UDH3200E/DH32ZAX OUTDOOR UNIT Capacity 17,400 23,000 Cooling 32,000 But/h 5,100 6,700 9,350 18,400 24,500 34,900 Heating Btu/h 5,400 7,200 10,200 Power supply 220-240~ 50Hz Power input 1.75...
  • Page 5 Product Specifications IDH1800E/DH18ZA1(A2) IDH2400E/DH24ZA1(A2) INDOOR UNIT IDH3200E/DH32ZA1(A2) MODEL UBH1800E/DH18ZAX UBH2400E/DH24ZAX UDH3200E/DH32ZAX OUTDOOR UNIT Outdoor type propeller propeller propeller Unit motor output type scroll scroll scroll Compressor ZR22K3-PFJ ZR28K3-PFJ ZR42K3-PFJ model motor output 1.37 1.74 2.61 protection Internal Internal Internal wave fin coil...
  • Page 6 2-2 Dimensions 2-2-1 Indoor unit Indoor Unit Dimensions (ADH1800E / 2400E / 3200E) (DH18ZA1(A2) / DH24ZA1(A2) / DH32ZA1(A2) Samsung Electronics...
  • Page 7: Outdoor Unit

    Product Specifications 2-2-2 Outdoor Unit (a) 18K BTU (Front view) (Rear view) (b) 24K BTU (Front view) (Rear view) Samsung Electronics...
  • Page 8 Product Specifications (c) 32K BTU (Front view) (Rear view) Samsung Electronics...
  • Page 9: Wired Remote Controller-Buttons And Display

    - After cleaning the air filter, press the filter reset button, if the filter has been installed. Then the wired remote controller will display the FILTER SIGN indicator when the time to clean the air filter; refer to page 30. Samsung Electronics...
  • Page 10: Wireless Remote Controller-Buttons And Display

    On Timer setting On Timer button Off Timer setting Off Timer button Battery discharge indicator On/Off & Timer Set/Cancel button Note : After cleaning the air filter, press the filter reset button, if the filter has been installed. Samsung Electronics...
  • Page 11: Centralized Controller

    The centralized controller is installed on the wall Operating lamp All On button All Off button On/Off indicators On/Off buttons Index Note : Operating lamp comes on when at least one air conditioner connected to the centralized controller is operating. Samsung Electronics...
  • Page 12: Operating Instructions

    3. Operating Instructions 3-1 Display on the wall The receiver & display unit is installed on the wall. Removing frost indicator Remote control sensor Timer indicator Filter Sign indicator On/Off indicator On/Off button 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: Control System Diagram

    (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 3-4-1 Indoor Unit Samsung Electronics...
  • Page 18 3-4-2 Outdoor Unit Samsung Electronics...
  • Page 19 MEMO Samsung Electronics...
  • Page 20: Installation

    Filter Reset pressing the key after cleaning the filter resets the filter sign. • The wind mode to rotate in the order of wind select button, Breeze → Weak → Strong → Fan Speed Wind auto → Breeze. Samsung Electronics...
  • Page 21 <When doing the test operation with wireless remote 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 LED alternating flickering (1Hz communication defect period) Filter LED flickering (1Hz period) Restored when outdoor pipe Abnormal on outdoor pipe temperature sensor temperature sensor is normal (4.9[V] and higher, 0.5[V] and lower 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 Not installed DRAIN PUMP Installed 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 chamber to “F” chamber.(R1<->R1, R3<->R3) unit PCB in “A” chamber to “0”. • Connect the “R1”, “R2” and “R3” of indoor terminal board installed to the “R1”,”R2”,”R3” of wired remote controller, respectively. 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 • For the communicating time with 16 chambers during the normal operation, 32 seconds are required and for the time with 16 chamber during 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: Centralized Controller

    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 4-3-3 Chambers Cnetralized Control System Connection Diagram "A" chamber "B" chamber "P" chamber "C" ~ "O" chamber Indoor unit Indoor unit Indoor unit Relay Relay Relay 01 02 equipment 01 02 equipment 01 02 equipment 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 LEVEL 2 C area : only the centralized controller operates but F area : only the centralized controller operates but 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

    Space requirement when installing the air filter Rear of the indoor unit 165mm Note : The air filter can be installed to the bottom or rear of the indoor unit. Samsung Electronics 4-15...
  • Page 35: Outdoor Unit

    9. If install the outdoor unit directly against the wall, the minimum distance between the outdoor unit and the wall should be 1.5 m. Outdoor unit 0.15 m. 1.5 m. Indoor unit Wall Radius Building 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

    Screw(7) KR-H60110 Transmitter(1) Spacer Support(4) Cable-Tie(2) KT-A00 Drain Pump and Float M4 X 12 Tapped Cable-Tie(2) Cable Clamp(2) Switch(1) KDP-075S0 Screw(4) Air Filter(1) KF-D0B0 Note : Refrigeration pipes and their insulating materials, power cables are not supplied. 4-18 Samsung Electronics...
  • Page 38 Space requirement when installing the air filter Rear of the indoor unit 165mm Note : • The air filter can be installed to the bottom or rear of the indoor unit. Samsung Electronics 4-19...
  • Page 39: Deciding On Where To Install The Air Conditioner

    Caution : • You have just purchased a duct-type air conditioner and it has to be installed by your installation specialist. • This device must be installed according to the national electrical rules. 4-20 Samsung Electronics...
  • Page 40: Indoor Unit Installation

    Before hanging the unit, test the strength of each attached suspension bolt. When the drain hose is installed to the Ceiling support right. Drain tube outlet Samsung Electronics 4-21...
  • Page 41: Purging The Unit

    4-4-7. Connecting the Connection Cord The indoor unit is powered from the outdoor unit via the connection cord. 1. Remove the screw on the electrical component box and remove the cover plate. 4-22 Samsung Electronics...
  • Page 42: Wiring Diagram

    Min. size of electric Wires separately. H07RN-F, 4G, 1.0mm H07RN-F, 4G, 1.0mm from/to the indoor/outdoor unit 20m or less H07RN-F, 3G, 2.5mm H07RN-F, 3G, 4.0mm Size of electric input wires 50m or less H07RN-F, 3G, 4.0mm H07RN-F, 3G, 6.0mm Samsung Electronics 4-23...
  • Page 43: Connecting The Cables To The Outdoor Unit

    Indoor Unit EARTH Power Outdoor Unit Communication 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. 4-24 Samsung Electronics...
  • Page 44: Checking Correct Grounding

    • At least two metres away from a lightening conductor grounding electrode and its cable Note : The grounding wire for the telephone line cannot be used to ground the air conditioner. 50cm Samsung Electronics 4-25...
  • Page 45: Drain Hose Installation

    The hose should not be allowed to hang loose from its connection to the unit. Fasten the hose to a wall, frame or other support as close to the unit as possible. Support pieces Ceiling 4-26 Samsung Electronics...
  • Page 46: Drain Pump Installation (Optional)

    Liquid refrigerant port Note : When installing the drain pump, leave a 7mm space between the bottom of the drain pan and the drain pump. Gas refrigerant port Drain tube outlet Drain pump Bottom of the drain pan Samsung Electronics 4-27...
  • Page 47: Cutting/Flaring The Pipes

    90° angle with the side of the pipe. Refer to the illustrations below for Indoor unit examples of edges cut correctly and incorrectly. Oblique Rough Burr Outdoor unit Oil trap (Must be installed every 6m) 4-28 Samsung Electronics...
  • Page 48 19.52 mm (3/8") 15.88 mm (5/8") 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 4-29...
  • Page 49: Fixing The Unit In Position

    30mm 2. Connect the drain hose to the drain plug [Drain hose:ID(18mm), Drain plugPOD(18mm)]. 3. Ensure that the drained water runs off correctly and safely. 4-30 Samsung Electronics...
  • Page 50 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 4-31...
  • Page 51: Refrigerant Refill

    6. Stop operation of the air conditioner. 7. Close the suction valve, disconnect the pressure gauge, and open the suction valve again. 8. Close the cap of each valve. 4-32 Samsung Electronics...
  • Page 52: "Pump Down" Procedure

    6. Stop operation of the air conditioner. 7. Move the indoor and outdoor units to a new location. 8. Remove the mounting plate for the indoor unit and move it to a new location. 7. Close the cap of each valve. Samsung Electronics 4-33...
  • Page 53: Performing Leak Tests

    3. Finish wrapping insulating tape around the rest of the pipes Insulation Insulation leading to the outdoor unit. cover pipe inlet/outlet Body Be sure to overlap the insulation Caution : Must fit tightly against body without any gap. 4-34 Samsung Electronics...
  • Page 54 1340 x 260 x 600 1340 x 260 x 600 1340 x 260 x 600 (W x H x D) example) ADH1800E, DH18ZA1(A2), ADH2400E, DH24ZA1(A2), ADH3200E, DH32ZA1(A2) (Unit : mm) Duct quan- Remark tity Dimension “A” “B” Samsung Electronics 4-35...
  • Page 55: Increasing Fan Speed

    5. If external static pressure is too great, the air flow volume may drop too low as explained above. Note : HH : DIP Switch OFF position(High speed) H : At shipment(Normal speed) ADH1800E, DH18ZA1(A2) ADH2400E, DH24ZA1(A2) ADH3200E, DH32ZA1(A2) Air Flow (m /min) Air Flow (m /min) Air Flow (m /min) 4-36 Samsung Electronics...
  • Page 56: Cleaning Your Air Conditioner

    3. Remove all dust on air filter with a vacuum cleaner or a brush. In case of serious dust accumulation, put the air filter in warm detergent water and shake it vertically. Samsung Electronics 4-37...
  • Page 57: Temperature And Humidity Ranges

    21°C to 43°C approx. 21°C to 32°C approx. If the heating operation is used at below 0°C(outdoor temperature) then, does not a full capacity. If the cooling operation is used at over 33°C(indoor temperature) then, does not a full capacity. 4-38 Samsung Electronics...
  • Page 58 Check that there is no obstacle in front of the outdoor unit. When heating, the required Check that the required temperature has been set correctly. room temperature is never Increase the fan speed. reached and the air conditioner frequently stops Samsung Electronics 4-39...
  • Page 59: Setting Up Option Switches

    Indoor Fan Motor Speed Normal High speed Caution : • If you do not adjust the switch when not installing the drain pump, "\9" error will occurs. If this happens, adjust the No.2 and No.3 switches to the "OFF" position. 4-40 Samsung Electronics...
  • Page 60 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 4-41...
  • Page 61 Note : Before setting up the options, always make sure that you have switched off the main power. Centralized Controller DIP Switch(DS01) Note : After adjusting the options, you should supply the power. Transmitter Rotary Digital Switch(DS01) Otherwise, the options will not be applied. 4-42 Samsung Electronics...
  • Page 62: Wired Remote Controller Installation (Optional)

    3. Connect the R1, R2 and R3 terminals in the wired remote controller to the R1, R2 and R3 terminals on the electrical component box each. Wired Remote Controller Samsung Electronics 4-43...
  • Page 63: Centralized Controller Installation (Optional)

    4. Connect the cable from the PCB and to the Double-insulation, 2G Cable type transmitter. And connect another cable from the O1, O2 Size of cables 0.75mm ~1.25mm terminals and to the transmitter as shown in figure. 4-44 Samsung Electronics...
  • Page 64: Air Filter Installation (Optional)

    & display unit and connect the other end of the wire to the electrical component box as shown in figure. Caution : •Do NOT keep the receiver & display unit cables with a 220V cable because the remote controller cables have low voltage. Samsung Electronics 4-45...
  • Page 65 •The optional kits must be installed by an installation specialist. •Before installing the optional kits, ensure that you have turned off the main power. •The optional air filter has to be cleaned only by an authorized person or service agent. 4-46 Samsung Electronics...
  • Page 66: Controlling A Group

    “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 4-47...
  • Page 67 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. 4-48 Samsung Electronics...
  • Page 68: Checking And Testing Operations

    4. The air conditioner will switch it off automatica- lly after 3 minutes. Note : If the air conditioner does not work because of switching off the thermistor sensor caused by the room temperature, you can operate the air conditioner by using Test button. Samsung Electronics 4-49...
  • Page 69: Troubleshooting

    Main/Sub PCB of the indoor unit ∗ D Outdoor pipe sensor error Outdoor pipe sensor PCB of the outdoor unit Example : “39” means the address “3” indoor unit has a trouble with a float switch. 4-50 Samsung Electronics...
  • Page 70 4. How to remove and clean the air filter, if installed. Once the owner is happy with the basic operations, hand over the owner’s instruction booklet and this installation manual for storage in a handy and safe place. Samsung Electronics 4-51...
  • Page 71 MEMO 4-52 Samsung Electronics...
  • Page 72: Disassembly And Reassembly

    Be sure to remove the cushion on the marked part after initial installation. (It cause the damage of noise). Work is possible after disassembly of Ass’y-blower, DUCT no.! prefilter. ! After disassembling nine places indicating screws, separate Ass’y cover bottom. Samsung Electronics...
  • Page 73 # Separate the sensor holder from the Ass’y fan case. $ Separate from Ass’y control IN the capacitor connection wire between the motor-fan in and housing connector. It is possible under the working status of # at the time. Samsung Electronics...
  • Page 74 Disassembly and Reassembly Part name Procedures Picture % Separate the Ass’y blower and duct from the set. ! After disassembling one indicating screw, Ass’y-control in separate the cover-control. @ Separate the motor-fan in and sensor connector connected to PCB. Samsung Electronics...
  • Page 75 $ Hold the Ass’y control In by hand to lift up a little and then release the status of hanging on the hangign slot. ! Disassemble 4 indicating screws to Ass’y-Drain pan separate Ass’y drain pan. (two screws each at left and right side) Samsung Electronics...
  • Page 76 ! Disassemble 8 indicating screws (4 each at left and right side). @ Disassemble 6 indicating screws. # Disassemble 5 indicating screws. It is possible at the status of No.3 Ass’y control In disassembly at the time. $ After disassembling 4 indicating screws. Samsung Electronics...
  • Page 77 ^ Seperate 4 indicating screws (2 each at left and right side). & Seperate it from the set if the ass’y-evap pull up. Ass’y-holder outlet • When connecting canvas to the discharge side ! Disassemble 4 indicating screws (two each at left and right side). Samsung Electronics...
  • Page 78 Disassembly and Reassembly Part name Procedures Picture @ Disassemble 12 indicating screws (6 each at upper and lower side). After connecting canvas to the disassembled Ass’y holder outlet(@), attach the Ass’y holder outlet to the set in the reverse order. Samsung Electronics...
  • Page 79 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...
  • Page 80: Troubleshooting

    EC06 Outdoor unit pipe thermistor error EC07 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. Samsung Electronics...
  • Page 81 Trouble Shooting Trouble shooting by outdoor unit error cond ERROR DESCRIPTION REFERENCE PART ERROR CODE Communication error between indoor unit and centralized controller EC19 LED flickering Samsung Electronics...
  • Page 82 - 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 83 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 84 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 85 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 86 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 87 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 88 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 89 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 90 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 91 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 92 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 93 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 94 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 95 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 96 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 97 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 98 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 99 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 100 MEMO Samsung Electronics 6-21...
  • Page 101: Exploded Views And Parts List

    7. Exploded Views and Part LIst 7-1 Indoor Unit 19-2 19-1 19-6 19-3 19-4 19-5 Samsung Electronics...
  • Page 102 Exploded views and parts list Indoor Unit Parts list IDH1800E IDH2400E IDH3200E CODE NO Description Specification DH18ZA1(A2) DH24ZA1(A2) DH32ZA1(A2) DB63 - 00076A COVER-TOP SGCC-M T0.8 DB63 - 00074A COVER-CASE DUCT SGCC-M T0.8 DB94 - 00022A ASS'Y-DRAIN PAN ASS'Y, BLK DB61 - 00099A CASE-BOTTOM SGCC-M T0.8...
  • Page 103: Outdoor Unit

    7-2 Outdoor Unit 7-2-1 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 104 40UF/400V, COMP 15-2 15-3 DB65-40022G TERMINAL-BLOCK 6P, 600V, 35A 15-4 PD-DH2400-S0 ASS'Y-PCB PART ASS'Y DB61-00152A CASE-PCB, OUT T2.5, ABS, BLK 15-5 15-6 DB26-10070A TRANS-POWER DC17, AC230 2301-001370 CAPACITOR MOTOR 2.5µF, EAF45255 15-7 DB72-00122A CLOTH-SOUND, COMP T12, W800, L350 Samsung Electronics...
  • Page 105 Exploded views and parts list • 24K 13-2 13-3 14-3 14-1 14-2 12-2 15-5 12-1 15-4 15-1 15-6 13-1 15-7 15-3 15-2 Samsung Electronics...
  • Page 106: Specification

    PD - DH2400 - S0 ASS'Y-PCB PART ASS'Y 15-4 15-5 DB61 - 00152A CASE-PCB, OUT T2.5, ABS, BLK DB26 - 10070A TRANS-POWER DC17, AC230 15-6 15-7 2301 - 001369 CAPACITOR MOTOR 3µF, EAF45305 DB72 - 00122A CLOTH-SOUND, COMP T12, W800, L350 Samsung Electronics...
  • Page 107 Exploded views and parts list • 32K 13-2 13-3 14-3 14-1 14-2 12-2 15-5 15-4 12-1 15-1 15-6 13-1 15-7 15-3 15-2 Samsung Electronics...
  • Page 108 PD - DH3200 - S0 ASS'Y-PCB PART ASS'Y 15-4 15-5 DB61 - 00152A CASE-PCB, OUT T2.5, ABS, BLK DB26 - 10070A TRANS-POWER DC17, AC230 15-6 15-7 2301 - 001367 CAPACITOR 450V/6.0µF DB72 - 00159A INSULATION-COMP-SOUND T12, 355, 525 Samsung Electronics...
  • Page 109 MEMO Samsung Electronics...
  • Page 110: Refrigerating Cycle Block Diagram

    *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. Samsung Electronics...
  • Page 111 *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. Samsung Electronics...
  • Page 112 *Allowable drop distance : Max. 15m *Amount of refilling per extension length of 1m; When extending the pipe length by more than 5m, 55gr(55gr: Outdoor Unit is higher than Indoor Unit) of R-22 refrigerant should be refilled per extension length of 1m. Samsung Electronics...
  • Page 113 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 114: Pcb Diagrams

    9. PCB Diagrams 9-1 Main PCB 9-1-1 Indoor Unit (18K/24K) Samsung Electronics...
  • Page 115 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 116 R-CELENT 10K-J 5W RY72 ~ RY77 RELAY-MANIATURE 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 117 • Indoor Unit (32K) Samsung Electronics...
  • Page 118 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 119 R-CELENT 10K-J 5W RY72 ~ RY77 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 120 9-1-2 Outdoor Unit (18K/24K) Samsung Electronics...
  • Page 121 CN73 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 Samsung Electronics...
  • Page 122 • Outdoor Unit (32K) Samsung Electronics...
  • Page 123 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 124 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-MANIATURE 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 125 MEMO 9-12 Samsung Electronics...
  • Page 126: Wiring Diagrams

    10. Wiring Diagrams 10-1 Indoor Unit DUCT TYPE AIRCONDTIONER CODE NO : DB68-00865A Samsung Electronics 10-1...
  • Page 127 10-2 Outdoor Unit BUILT-IN AIRCONDITIONER CODE NO : DB68-00866A 10-2 Samsung Electronics...
  • Page 128: Schematic Diagrams

    11. Schematic Diagrams 11-1 Wired Remote Controller Samsung Electronics 11-1...
  • Page 129: Centralized Controller

    11-2. Centralized Controller 11-2 Samsung Electronics...
  • Page 130 11-3. Indoor Unit (ADH1800E, ADH2400E, ADH3200E) Samsung Electronics 11-3...
  • Page 131 11-4. Outdoor Unit (ADH1800E, ADH2400E, ADH3200E) 11-4 Samsung Electronics...
  • Page 132: Application Date

    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...
  • Page 133 ELECTRONICS © Samsung Electronics Co., Ltd. Mar. 2000 Printed in Korea. Code No. DB81-00151A(2)

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