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Samsung HH175EZM Service Manual

System air conditioner
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  • Page 2: Table Of Contents

    Contents 11. Precautions ..................................................1-1 Installing the air conditioner ....................1-2 Power supply and circuit breaker ..........................1-3 During operation ........................1-4 Disposing of the unit ..............................1-5 Others 12. Product Specifications ............................................... 2-1 The Feature of Product ...........................

  • Page 4: Precautions

    An all pole disconnection from the power supply must be incorporated in the fixed wiring with a contact opening of >3mm. ● Do not extend an electric cord to the air conditioner. ● The air conditioner must be plugged in after you complete the installation. Samsung Electronics...

  • Page 5: Disposing Of The Unit

    ● Young children or infirm persons should be always supervised when they use the air conditioner. ● Max current is measured according to IEC standard for safety. ● Current is measured according to ISO standard for energy efficiency. Samsung Electronics...

  • Page 6: Product Specifications

    – Long piping – • Maximum length : 50m – • Maximum height : 30m ■ Convenient Control Functions – Auto Change Over – Central Controller(Optional) : Can Control up to 16 units individually – Group Control – Weekly program(Optional) Samsung Electronics...
  • Page 10 Capacity...
  • Page 13 Samsung Electronics...

  • Page 14: Setting Option Setup Method

    ✳ Setting is not required if you must Push the button to set the display panel to a value which has a default. Every time you push the button, the display panel reads . . . repeatedly. Samsung Electronics...
  • Page 15 If all lamps of indoor unit are flickering, Plug out, plug in power plug again and press ON/OFF key to retry. If the unit is not working properly or all lamps are continuously flickering after setting the option code, see if the correct option code is set up for its model. Samsung Electronics...

  • Page 22: Disassembly And Reassembly

    Remark 4) After disassembling 2 places indicating screws, detach Fan Motor and Blower from the set. 1) After disassembling 1 Indicating screw, Control In detach the Cover control. 2) Detach the Motor-Fan and Sensor Connector from the PCB. Samsung Electronics...
  • Page 23 Procedure Remark 3) Disassemble 4 indicating screws and detach Control In from the set. ✳ Work is possible when Disassembling the Drain Pan Ass'y Cabi Bottom Blower. 1) Disassemble 6 indicating screws and detach Ass'y Cabi Bottom Drain. Samsung Electronics...
  • Page 24 3) Disassemble 6 indicating screws and detach the Drain Pan. (3 screws each at left and right side) ✳ Work is possible when Disassembling Evap the Ass'y Drain Pan. 1) Disassemble 5 indicating screws to detach Cover Pipe. Samsung Electronics...
  • Page 25 Procedure Remark 2) Disassemble Sensor on the Evap. 3) Disassemble 2 indicating screws which are in the near of Hanger Plate to detach the Evap. (1 screw each at left and right side) It needs 2 peoples. 4-10 Samsung Electronics...
  • Page 28 MEMO Samsung Electronics 4-13...
  • Page 29 DH105GZM...
  • Page 33 ■ UH105GZM1C 15-3 15-4 15-2 15-5 15-1 15-6...
  • Page 35 ■ UH140GZM1C/UH175GZMC 20-3 20-4 20-2 20-1 20-5 20-6...
  • Page 38 330ohm,5%,1/8W,TP,2012 509,901 R611,612,613 2007-000872 R-CHIP 4.7Kohm,5%,1/8W,TP,2012 R604,R605 2007-000931 R-CHIP 470ohm,5%,1/8W,TP,2012 R511,R513 2007-000938 R-CHIP 47Kohm,1%,1/8W,TP,2012 R401,R402,R403 2007-001067 R-CHIP 6.8Kohm,1%,1/8W,TP,2012 R440 2007-001071 R-CHIP 6.8Kohm,5%,1/8W,TP,2012 C302,303,312,313 2203-000189 C-CER,CHIP 100nF,+80-20%,25V,Y5V,TP,1608 C10,102,104,12,201~203, 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 304~307,314~316, 401~403,413,504~506, 801,802,806,807,808, 815~819,902 C301,C311 2203-000257 C-CER,CHIP 10nF,10%,50V,X7R,TP,1608 Samsung Electronics...
  • Page 40 2007-000766 R-CHIP 330ohm,5%,1/8W,TP,2012 R504~R506 C102,104,201,302~308, 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 401~404,503~505,801~804, 905,906,907 C202,301,901,902,903,904 2203-001562 C-CER,CHIP 10nF,+80-20%,50V,Y5V,TP,2012 XC71,XC72 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x12,15 C105 2401-000037 C-AL 470uF,20%,16V,GP,TP,8x11.5,5 C101,C103 2401-000173 C-AL 1000uF,20%,35V,GP,TP,13x25,5 X501 2802-001198 RESONATOR-CERAMIC 10MHz,0.5%,BK,8x3x5.5mm K1~K4 3404-001220 SWITCH-TACT 12V,50mA,160gf,6x6mm,SPST RY71,RY76,RY77 3501-001154 RELAY-MINIATURE 12VDC,200mW,3000mA,1FORmA,10mS,10 Samsung Electronics...
  • Page 41 DB34-00009A SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V MAX,0. DS71 DB47-00016A POSISTOR DSA-332mA,2pF MAX,100MOhm,ASM-3500 JUMPER DB47-90015A JUMPER WIRE TA0.6PI/52mm,P0509-400-108,-,- K5,6,7,10~15 DB47-90015A JUMPER WIRE TA0.6PI/52mm,P0509-400-108,-,- HEAT-SINK DB62-03085A HEAT SINK -,A6063,25,15,15,-,-,SSEC DB41-00304A PBA LOGIC BOARD UNI DPM OUT,-,FR-1 ,T-1.6,-,-,-,- SCREW 6002-000630 SCREW-TAPPING PH,+,-,2S,M3,L8,ZPC(YEL),SWRCH18A,- Samsung Electronics...
  • Page 42 2007-000766 R-CHIP 330ohm,5%,1/8W,TP,2012 R504~R506 C102,104,201,302~308, 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 401~404,503~505,801~804, 905,906,907 C202,301,901,902,903,904 2203-001562 C-CER,CHIP 10nF,+80-20%,50V,Y5V,TP,2012 XC71,XC72 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x12,15 C105 2401-000037 C-AL 470uF,20%,16V,GP,TP,8x11.5,5 C101,C103 2401-000173 C-AL 1000uF,20%,35V,GP,TP,13x25,5 X501 2802-001198 RESONATOR-CERAMIC 10MHz,0.5%,BK,8x3x5.5mm K1~K4 3404-001220 SWITCH-TACT 12V,50mA,160gf,6x6mm,SPST RY71,RY76,RY77 3501-001154 RELAY-MINIATURE 12VDC,200mW,3000mA,1FORmA,10mS,10 Samsung Electronics...
  • Page 43 DB34-00009A SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V MAX,0. DS71 DB47-00016A POSISTOR DSA-332mA,2pF MAX,100MOhm,ASM-3500 JUMPER DB47-90015A JUMPER WIRE TA0.6PI/52mm,P0509-400-108,-,- K5,6,7,10~15 DB47-90015A JUMPER WIRE TA0.6PI/52mm,P0509-400-108,-,- HEAT-SINK DB62-03085A HEAT SINK -,A6063,25,15,15,-,-,SSEC DB41-00304A PBA LOGIC BOARD UNI DPM OUT,-,FR-1 ,T-1.6,-,-,-,- SCREW 6002-000630 SCREW-TAPPING PH,+,-,2S,M3,L8,ZPC(YEL),SWRCH18A,- Samsung Electronics...
  • Page 44 2007-000766 R-CHIP 330ohm,5%,1/8W,TP,2012 R504~R506 C102,104,201,302~308, 2203-000192 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 401~404,503~505, 801~804,905,906,907 C202,301,901,902,903,904 2203-001562 C-CER,CHIP 10nF,+80-20%,50V,Y5V,TP,2012 XC71,XC72 2301-001220 C-FILM,LEAD-PPF 100nF,10%,275V,BK,18x6x12,15 C105 2401-000037 C-AL 470uF,20%,16V,GP,TP,8x11.5,5 C101,C103 2401-000173 C-AL 1000uF,20%,35V,GP,TP,13x25,5 X501 2802-001198 RESONATOR-CERAMIC 10MHz,0.5%,BK,8x3x5.5mm K1~K4 3404-001220 SWITCH-TACT 12V,50mA,160gf,6x6mm,SPST RY71,RY76 3501-001154 RELAY-MINIATURE 12VDC,200mW,3000mA,1FORmA,10mS,10+D140 Samsung Electronics...
  • Page 45 DB34-00009A SWITCH-DIGITAL PT65 103,ROTARY DIP,-,DC24V MAX,0. DS71 DB47-00016A POSISTOR DSA-332mA,2pF MAX,100MOhm,ASM-3500 JUMPER DB47-90015A JUMPER WIRE TA0.6PI/52mm,P0509-400-108,-,- K5~7,9,11,13~15 DB47-90015A JUMPER WIRE TA0.6PI/52mm,P0509-400-108,-,- HEAT-SINK DB62-03085A HEAT SINK -,A6063,25,15,15,-,-,SSEC DB41-00304A PBA LOGIC BOARD UNI DPM OUT,-,FR-1 ,T-1.6,-,-,-,- SCREW 6002-000630 SCREW-TAPPING PH,+,-,2S,M3,L8,ZPC(YEL),SWRCH18A,- Samsung Electronics...

  • Page 46: Indoor Unit

    7. Wiring Diagram 7-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 47 This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 48 UH140GZM1C Samsung Electronics...
  • Page 49 UH175GZMC...

  • Page 50: Indoor Unit

    8. Schematic Diagram 8-1 Indoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 51 8-2 Outdoor Unit This Document can not be used without Samsung's authorization. Samsung Electronics...
  • Page 54 Samsung Electronics...

  • Page 55: Indoor Unit

    Temperature Sensor Ventilator Wired Remote Controller Power Drain Pump “ External Control(S/W Part) Hot Coil & ‘ Indoor Fan(SSR) Display Power External Control(Display Part) Transformer Out HALL IC Main Power In MICOM Download Power Indoor/Outdoor Communication Transformer In 10-1 Samsung Electronics...
  • Page 56 Display : SMW200-11(WHT) : SMW200-11(WHT) Power : YW396-03AV(WHT) External Control(Display Part) : SMW250-04(RED) Transformer Out : YW396-03AV(WHT) HALL IC : SMW250-03(BLU) Main Power In : YW396-03AV(BLU) MICOM Download : SMW200-10(WHT) Power : YW396-03AV(BLU) Indoor/Outdoor Communication : YW396-02(RED) Transformer In : SMW250-03(RED) Samsung Electronics 10-2...
  • Page 57 Main Power In Transmitter Power(12V) Outdoor Fan 1 Discharge Temperature Sensor Outdoor Fan 2 Outdoor Temperature Sensor Compressor Output Outdoor Pipe Temperature Sensor 4-Way Valve Output Low Pressure S/W Bypass & Communication Transformer In Transformer Out 3 Phase Check 10-3 Samsung Electronics...
  • Page 58 Compressor Output : YW396-03AV(BLK) Outdoor Pipe Temperature Sensor : SMW250-04(WHT) 4-Way Valve Output : YW396-03AV(YEL) Low Pressure S/W : YW396-02V(YEL) Bypass : YW396-03AV(WHT) & Communication : YW396-02V(RED) Transformer In : GT-2(WHT) Transformer Out : SMW250-03(RED) 3 Phase Check : YW396-05AV(YEL) Samsung Electronics 10-4...

  • Page 59: Main Function

    3. To adjust the temperature, press the buttons one or more times until the required temperature is displayed. Possible temperatures are between 18˚C and 30˚C inclusive. 11-1 Samsung Electronics...
  • Page 60 Possible temperatures are between 16˚C and 30˚C inclusive. 4. Select the fan speed by pressing the button one or more times until the intended value is displayed : ➔ ➔ Automatic(rotated : Medium High Samsung Electronics 11-2...

  • Page 61: Samsung Electronics

    2. To select the FAN mode, press the button until is displayed at the top of the wired remote controller. 3. Select the fan speed by pressing the button one or more times until the intended value is displayed: Medium High 11-3 Samsung Electronics...

  • Page 62: Additional Function

    ■ External Control • You must adjust the K11 when you use external control. Switch No. Switch ON Switch OFF No use of external control Use of external control K 1 K 2 K 3 K 4 SW07 Samsung Electronics 11-4...
  • Page 63 Connector No. Function PIN #1 and #2 of CN81(RED) +12V Out if any error occurs PIN #3 and #4 of CN81(RED) +12V Out when the compressor is operating Error Display Comp. Status Display Sub. PCB 220V CN81(RED) 11-5 Samsung Electronics...

  • Page 64: Wired Remote Controller-Buttons And Display

    Filter Sign indicator when the time to clean the air filter. • Duct type air conditioner does not have function of adjusting air flow direction. Therefore, the function is not operated even if you press the button. Samsung Electronics 11-6...

  • Page 65: Indoor Unit

    Counts of Indoor 10 11 12 13 14 15 Unit Installation Numbers of the switch ● Example : When the installed indoor unit is one, control the arrow of switch forward to ‘0’ or ‘1’ as figure. 12-1 Samsung Electronics...

  • Page 66: Setting Up Option Switches

    Adding refrigerant at Adding refrigerant at Displays data Reset heating mode cooling mode Test operation at Test operation at heating mode cooling mode Pump Down for recovery of refrigerant ✳ Use the K1 only for heat pump models. Samsung Electronics 12-2...

  • Page 67: Troubleshooting

    Wired remote controller Error of communication between the indoor unit and the wired errors remote controller Master wired remote controller ↔ Slave wired remote controller COM1/COM2 Cross-installed error Error of setting option for wired remote controller COM2 12-3 Samsung Electronics...

  • Page 68: Led Display

    5. Error of reverse phase 6. Compressor down due to 6'th detection of freezing Detection of the float switch Error of setting option switches for optional accessories EEPROM error EEPROM option error : On : Flickering : Off Samsung Electronics 12-4...
  • Page 69 The order of priority : E1 → E2 → E3 → E5 → P0 → P1 → P4 → P5 → P9 → t1 → t2 → t3 → tu → to → G4 → G5 → E3 → qx → rx → vx → K1, K2, K3, K4, K5 The order of priority : - In case that the same error displays from multi-indoor units, the one having the faster address has the priority. 12-5 Samsung Electronics...

  • Page 70: Sequence For Trouble Diagnosis

    K4 3 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics 12-6...
  • Page 71 K4 2 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by one of K2 Reoperation after PCB replacement 12-7 Samsung Electronics...
  • Page 72 K4 1 times. At this time, is occurred the difference between the out temp. and data? PCB and sensor are normal. To perform the test operation by use of K2 Reoperation after PCB replacement Samsung Electronics 12-8...
  • Page 73 PCB, and find the indoor unit preventing communication through connecting the communication connectors each by each, and then replace the indoor unit PCB after line check. Good +0.7V -0.7V 12-9 Samsung Electronics...
  • Page 74 PCB after line check Samsung Electronics 12-10...
  • Page 75 PCB about AC220V? Does the water level decrease? Replace the drain pump Replace the indoor unit PCB Normal operation Replace the drain pump Note : E3 error should be released when indoor unit power is reset. 12-11 Samsung Electronics...

  • Page 76: Block Diagram

    4-Way Valve Pipe Temperature Sensor Control part MICOM Sensor Control Part Bypass Valve Outdoor Load 3 Phase 3 Phase Input Control Part Check part Power Supply Communication Room/Pipe/Discharge Part Part 1 Temperature Sensor Indoor Communication Central Control Samsung Electronics 13-1...
  • Page 77 Model Code...
  • Page 78 0.001341 0.10197 0.73756 4.1868 14.286 0.0056146 0.42693 3.088 1.163 0.27778 3.9683 0.0015596 0.11859 0.85778 0.29307 0.06999 0.252 3.9302x10 0.029885 0.21616 745.7 178.11 641.19 2,544.4 76.04 9.8067 2.3423 8.4322 33.462 0.013151 7.233 1.3558 0.32383 1.1658 4.6262 0.0018182 0.13826 Samsung Electronics 14-2...
  • Page 79 It occurs when the drain pump is plugged out or it is out of order. Check the power of the drain pump and the position of the drain hose, and when the pump is faulty, contact the drain pump manufacturer. Samsung Electronics do not manufacture drain pumps. So, we are not able to correct the drain pump problems.
  • Page 80 Set up a sun blind over the outdoor unit and clear the neighboring obstacles from the outdoor unit to provide good ventilation. When it goes off frequently during a heat wave, it would prevent the turn-off and increase the cooling capacity cleaning the outdoor unit or spraying some water to the heat exchanger. Samsung Electronics 14-4...
  • Page 81 There is a cost table. But, our service engineer needs to visit to total up the cost correctly. When you move in, make sure to contact Samsung Electronics Service Center or Authorized Service Agent in advance to streamline the process.

  • Page 82: Cleaning Your Air Conditioner

    5. When you have finished, insert the filter into the unit. 6. Clean the outdoor unit with a vacuum cleaner or a brush once a month. Note : • After cleaning the air conditioner, press the Filter Reset button. Wireless Remote Controller Wired Remote Controller Samsung Electronics 14-6...

  • Page 83: Before Installation

    Electric and earth work shall meet the "Electric Facility Technology Standard" and the "Internal Wire Regulation" of the Electric Business Laws. ■ Inspection & Trial Run Upon completion of the tests, you shall make a trial run while you explain the main functions of the air conditioner to finish the installation. 14-7 Samsung Electronics...

  • Page 84: Installation Diagram Of Indoor Unit And Outdoor Unit

    183kgf . cm with a torque wrench. A(gas) 7) Check for gas leakage. B(liquid) - At this time, especially check for gas Valve stem leakage from the 3-Way valve’s stem nuts, Stem cap and from the service port cap. Samsung Electronics 14-8...

  • Page 85: Pump Down" Procedure

    At this time, cover the valve of the outdoor unit and the other pipe using a cap or vinyl plug to avoid foreign material entering. • Make sure you do not bend the connection pipes in the middle and store together with the cables. • Move the indoor and outdoor units to a new location. 14-9 Samsung Electronics...
  • Page 86 ELECTRONICS © Samsung Electronics Co., Ltd. Oct. 2006. This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable Printed in Korea. International and/or domestic law. Code No. DB98-26808A(1)

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