DB98_14452A(3)_CO 5/19/04 3:03 PM Page 3 DUCT TYPE AIR CONDITIONER INDOOR UNIT OUTDOOR UNIT HH105EZM HH128EZM HH140EZM HH175EZM HH175ECM UH105GZM UH128GZM UH140GZM UH175GZM UH175GCM SERVICE Manual AIR CONDITIONER CONTENTS 1. Product Specifications 2. Installation 3. Refrigerating Cycle Diagram 4. Set Up the Model Option 5. Troubleshooting 6. Exploded Views and Parts List 7. PCB Diagram 8. Wiring Diagram 9.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 1 1. Product Specifications 1-1 Table MODEL INDOOR UNIT HH105EZM HH128EZM HH140EZM HH175EZM HH175ECM OUTDOOR UNIT UH105GZM UH128GZM UH140GZM UH175GZM UH175GCM Btu/h 34,000 43,700 47,800 54,600 56,300 W 10,000 12,800 14,000 16,000 16,500 Btu/h 38,200 47,800 54,600 61,400 64,800 W 11,200 14,000 16,000 18,000 19,000 Cooling Capacity Heating 3ø, 380-415V~, 50Hz Power Supply Cooling kW 3.45 4.45 5.12 5.7 6.9 Heating kW 3.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 2 Table(cont.) MODEL INDOOR UNIT HH105EZM HH128EZM HH140EZM HH175EZM HH175ECM OUTDOOR UNIT UH105GZM UH128GZM UH140GZM UH175GZM UH175GCM 11.1 14.6 14.6 17.7 19.7 1.122 1.122 3,750 3,850 kW Capacity Compressor Protection Internal Type Wave fin coil Outdoor Unit Heat Exchanger Row x Stages x Fin Pitch 2 x 48 x 1.7(935 / 915) m Face Area 0.756 2 1.122 1.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 3 1-2 Dimensions 1-2-1 Indoor Unit ■ HH105EZM / HH128EZM / HH140EZM (Unit : mm) Number Samsung Electronics Name Description 1 Liquid pipe connection ø9.52 Flare 2 Gas pipe connection ø19.05 Flare 3 Drain pipe connection OD27.2 ID21.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 4 Product Specifications ■ HH175EZM / HH175ECM (Unit : mm) Number 4 Name Description 1 Liquid pipe connection ø9.52 Flare 2 Gas pipe connection ø19.05 Flare 3 Drain pipe connection OD27.2 ID21.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 5 Product Specifications 1-2-2 Outdoor Unit ■ UH105GZM 32 0 968 (Unit : mm) 880 ■ UH128GZM / UH140GZM / UH175GZM / UH175GCM (Unit : mm) 1,270 1,154 385 932 Samsung Electronics 440 415 800 5
DB98_14452A(3)_1 5/19/04 3:20 PM Page 6 2. Installation 2-1 Assigning Address to Indoor Unit 1. Before installing the indoor unit, assign an address to the indoor unit according to the air conditioning system plan. 2. The address of the indoor unit is assigned by adjusting MAIN(SW02) and RMC(SW01) rotary switches. K1 K2 K3 K4 SW03 K5 K6 K7 K8 SW04 K9 K10 K11 K12 SW05 SW02 MAIN SW01 RMC 3. The MAIN address is for communication between the indoor unit and the outdoor unit.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 7 2-2 Additional Functions ■ Compensation for lost temperature in heating operation ■ • Reduces the difference between an actual room temperature and a sensed ■ • temperature by the air conditioner when heating. Switch No. Switch ON Switch OFF K5 2°C compensation 5°C compensation K5 K6 K7 K8 SW04 ■ Adjusting filter cleaning cycle ■ • You can adjust the cycle for filter sign indicator. Switch No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 8 2-3 Setting Up Option Switches ■ Option Switch Rotary Switch Display Key ■ Rotary Switch ■ You should display that how many indoor units are connected to the outdoor unit. Refer to the table below, then turn the arrow to appropriate position. Switch No. Number of indoor unit(s) Switch No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 9 Installation ■ Summary of KEY functions Function K1 Number (Displayed on SEG 3, 4) of press times K2 (Displayed on SEG 3, 4) K3 (Displayed on SEG 3, 4) K4 (Displayed on SEG 3, 4) 1 Adding refrigerant at heating mode Adding refrigerant at cooling mode Reset Displays data 2 Test operation at heating mode Test operation at cooling mode - - 3 End Pump Down for recovery of refrigerant - - 4 - End - - ✳ Use the K1 only for heat pump models.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 10 3. Refrigerating Cycle Diagram INDOOR UNIT OUTDOOR UNIT *Allowable pipe length : Max. 50m *Allowable drop distance : Max.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 11 4. Set Up the Model Option 4-1 Setting Option Setup Method ex) Option No. : Step 1 : Enter the Option Setup mode. 1st Take out the batteries of remote control. 2nd Press the temp. button simultaneously and insert the battery again. 3rd Make sure the remote control display shown as . Step 2 : Enter the Option Setup mode and select your option according to the following procedure. 1 The default value is Otherwise, push the . button to .
DB98_14452A(3)_1 5/19/04 3:20 PM Page 12 Set Up the Model Option 7 Press button, then the default value is . 8 Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly. 7 8 9 9 Push the button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly. 10 11 10 Push the 12 button to set the display panel to . Every time you push the button, the display panel reads ... repeatedly.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 13 Set Up the Model Option ■ OPTION ITEMS REMOTE CONTROL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL HH105EZM 0 1 5 4 4 2 1 F 0 0 0 0 HH128EZM HH140EZM 0 1 5 8 0 0 1 3 0 0 0 0 HH175EZM HH175ECM 0 1 5 8 0 0 1 4 0 0 0 0 Samsung Electronics 13
DB98_14452A(3)_1 5/19/04 3:20 PM Page 14 5. Troubleshooting ■ Detection of errors ● If an error occurs during the operation, an LED flickers and the operation is stopped except the LED. ● If you re-operate the air conditioner, it operates normally at first, then detect an error again.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 15 Toubleshooting ■ LED Display(cont.) Indicators Concealed Type Abnormal conditions Operating Blue Red Standard Type 1. 2nd detection of high temperature COND 2. 2nd detection of high temperature DISCHARGE Displayed on appropriate indoor unit which is operating Displayed on outdoor unit 3.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 16 5-2 Outdoor Unit If an error occurs during the operation, it is displayed on the outdoor unit PCB.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 17 MEMO Samsung Electronics 17
DB98_14452A(3)_1 5/19/04 3:20 PM Page 18 6. Exploded Views and Parts List 6-1 Indoor Unit 1 11 6 4 12 12-2 5 12-1 3 12-8 12-3 12-4 12-9 12-6 12-7 7 12-5 10 8 10-1 10-5 11 10-6 2 10-4 10-2 You can search for the updated part code number through the ITSELF. 10-3 9 URL : http://itself.sec.samsung.co.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 19 Exploded Views and Parts List ■ Parts List(HH105EZM) Code No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 20 Exploded Views and Parts List ■ Parts List(HH128EZM / HH140EZM) Code No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 21 Exploded Views and Parts List ■ Parts List(HH175EZM / HH175ECM) Description Specification Q'TY No. Code No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 22 6-2 Outdoor Unit ■ UH105GZM 1 2 3 9 6 26 4 23 24 5 7 8 25 22 21 19 20 14 18 12 17 10 16 13 11 15 22 Samsung Electronics
DB98_14452A(3)_1 5/19/04 3:20 PM Page 23 Exploded Views and Parts List ■ Parts List Description Specification Q'TY No. Code No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 24 Exploded Views and Parts List ■ UH128GZM / UH140GZM 26 7 8 2 24 1-1 25 1 9 11 6 20 4 3 13 11-1 11-2 19 12-1 10 19-4 12-2 19-3 19-5 12 5 19-1 14 21 19-6 14-3 17 19-2 16 19-7 22 14-1 14-5 15 15-1 14-2 14-4 15-2 23 18 24 Samsung Electronics
DB98_14452A(3)_1 5/19/04 3:20 PM Page 25 Exploded Views and Parts List ■ Parts List No. Code No. Description Specification Q'TY 1 DB90-00250A CABINET FRONT ASS'Y CABINET FRONT 1 1-1 DB68-10612A LABEL SAMSUNG HARD PC, T0.5 1 2 DB90-00551A ASS'Y CABI BACK-LF ASS'Y CABINET BACK LF 1 3 DB67-50067A FAN-PROPELLER ABS+GF20,D495,4BLADE 2 4 DB31-00060L MOTOR FAN OSME-1156SRC,(S542) 1 5 DB31-00060M MOTOR FAN OSME-1156SRC,(S543) 1 6 DB61-00837A BRACKET MOTOR SGCC-M,T1.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 26 Exploded Views and Parts List ■ UH175GZM / UH175GCM 24 7 2 8 22 1-1 23 1 9 11 6 4 3 13 19 11-1 11-2 18 12-1 10 18-4 12-2 18-3 12 5 18-5 20 18-1 14 18-6 18-2 16 14-3 14-1 14-6 14-5 14-2 18-7 15 15-1 21 14-4 15-2 17 26 Samsung Electronics
DB98_14452A(3)_1 5/19/04 3:20 PM Page 27 Exploded Views and Parts List ■ Parts List No. Code No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 28 7.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 29 PCB Diagram ■ BOTTOM Samsung Electronics 29
DB98_14452A(3)_1 5/19/04 3:20 PM Page 30 PCB Diagram ■ Parts List Location No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 31 PCB Diagram ■ Parts List(cont.) Location No. Description Specification CD31 DIODE-TVS SAC5.0 CD32 DIODE-TVS SAC5.0 CD33 DIODE-TVS SAC5.0 CD34 DIODE-TVS SAC5.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 32 PCB Diagram ■ Parts List(cont.) Location No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 33 PCB Diagram ■ Parts List(cont.) Location No. Description Specification R605 R-CHIP R607 R-CHIP R2012 1kΩ±5 R608 R-CHIP R2012 10kΩ±5 R609 R-CHIP R2012 10kΩ±5 R610 R-CHIP R2012 3.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 34 7-2 Outdoor Unit 7-2-1 UH105GZM(Code No : DB93-01885A) ■ TOP 34 Samsung Electronics
DB98_14452A(3)_1 5/19/04 3:20 PM Page 35 PCB Diagram ■ BOTTOM Samsung Electronics 35
DB98_14452A(3)_1 5/19/04 3:20 PM Page 36 PCB Diagram ■ Parts List Location No. Description Specification C101 C-AL 1000uF,20%,35V,GP,TP,13x25,5 C102 C-CERAMIC,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 C103 C-AL 1000uF,20%,35V,GP,TP,13x25,5 C104 C-CERAMIC,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 C105 C-AL 470uF,20%,25V,GP,TP,10x12.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 37 PCB Diagram ■ Parts List(cont.) Location No. Description Specification CN75 CONNECTOR-HEADER 1WALL,4P,1R,7.92mm,STRAIGHT,SN,WH CN76 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,YE CN77 CONNECTOR-HEADER 1WALL,2P,1R,7.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 38 PCB Diagram ■ Parts List(cont.) Location No. Description Specification IC53 PHOTO-COUPLER TR,130-260%,200mW,DIP-4,ST K1 SWITCH-PUSH 125V,1A,SPDT,ON-ON,- K13 R-CARBON 0ohm,5%,1/4W,AA,TP,2.4x6.4mm K14 R-CARBON 0ohm,5%,1/4W,AA,TP,2.4x6.4mm K15 R-CARBON 0ohm,5%,1/4W,AA,TP,2.4x6.4mm K16 R-CARBON 0ohm,5%,1/4W,AA,TP,2.4x6.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 39 PCB Diagram ■ Parts List(cont.) Location No. Description Specification R510 R-METAL OXIDE 200Kohm,5%,2W,AA,BK,5.5x16mm R511 R-METAL OXIDE 200Kohm,5%,2W,AA,BK,5.5x16mm R512 R-METAL OXIDE 200Kohm,5%,2W,AA,BK,5.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 40 PCB Diagram 7-2-2 UH128GZM / UH140GZM (Code No : DB93-02342A) 7-2-2 UH175GZM / UH175GCM(Code No : DB93-02343A) ■ TOP 40 Samsung Electronics
DB98_14452A(3)_1 5/19/04 3:20 PM Page 41 PCB Diagram ■ BOTTOM Samsung Electronics 41
DB98_14452A(3)_1 5/19/04 3:20 PM Page 42 PCB Diagram ■ Parts List Location No. Description Specification C101 C-AL C103 C-AL 2200uF,20%,25V,GP,TP,16x25,7.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 43 PCB Diagram ■ Parts List(cont.) Location No.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 44 PCB Diagram ■ Parts List(cont.) Location No. Description Specification J11 WIRE-SO COPPER PI0.6,SN,T,52mm TAPING_WIRE J12 WIRE-SO COPPER PI0.6,SN,T,52mm TAPING_WIRE J13 WIRE-SO COPPER PI0.6,SN,T,52mm TAPING_WIRE J14 WIRE-SO COPPER PI0.6,SN,T,52mm TAPING_WIRE J15 WIRE-SO COPPER PI0.6,SN,T,52mm TAPING_WIRE J16 WIRE-SO COPPER PI0.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 45 PCB Diagram ■ Parts List(cont.) Location No. Description Specification R401 R-METAL 24Kohm,1%,1/4W,AA,TP,2.4x6.4mm R402 R-METAL 18Kohm,1%,1/8W,AA,TP,1.8x3.2mm R403 R-METAL 18Kohm,1%,1/8W,AA,TP,1.8x3.2mm R404 R-CARBON 330ohm,5%,1/8W,AA,TP,1.8x3.2mm R405 R-CARBON 330ohm,5%,1/8W,AA,TP,1.8x3.2mm R406 R-CARBON 330ohm,5%,1/8W,AA,TP,1.8x3.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 46 8. Wiring Diagram 8-1 Indoor Unit This Document can not be used without Samsung's authorization.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 47 8-2 Outdoor Unit ■ UH105GZM This Document can not be used without Samsung's authorization.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 48 Wiring Diagram ■ UH128GZM / UH140GZM / UH175GZM / UH175GCM This Document can not be used without Samsung's authorization.
DB98_14452A(3)_1 5/19/04 3:20 PM Page 49 9. Schematic Diagram 9-1 Indoor Unit This Document can not be used without Samsung's authorization.
DB98_14452A(3)_1 5/19/04 3:30 PM Page 50 9-2 Outdoor Unit ■ UH105GZM This Document can not be used without Samsung's authorization.
DB98_14452A(3)_1 5/19/04 3:28 PM Page 51 Schematic Diagram ■ UH128GZM / UH140GZM / UH175GZM / UH175GCM This Document can not be used without Samsung's authorization.
DB98_14452A(3)_1 5/19/04 3:28 PM Page 52 MEMO 52 Samsung Electronics
DB98_14452A(3)_CO 5/19/04 3:03 PM Page 2 ELECTRONICS This Service Manual is a property of Samsung Electronics Co., Ltd. Any unauthorized use of Manual can be punished under applicable International and/or domestic law. © Samsung Electronics Co., Ltd. May. 2004. Printed in Korea. Code No.