Product specifications

ManualsBrandsSamsung ManualsDomestic AppliancesGH070EAM

GH052EAM

GH070EAM

Precautions 1

Product Specifications 2

Operation Instruction & Installation 4

Disassembly and Reassembly 16

Refrigerating Cycle Diagram 27

Feature & Operation 37

Set Up the Model Option 51

Troubleshooting 54

Exploded Views and Parts List 64

Block Diagram 70

PCB Diagram 71

Wiring Diagram 81

Schematic Diagram 84

CONTENTS

DB98_16890A(2)_Co 5/10/04 2:07 PM Page 1

Summary of content (90 pages)

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DB98_16890A(2)_Co 5/10/04 2:07 PM Page 1 GH052EAM GH070EAM CONTENTS Precautions 1 Product Specifications 2 Operation Instruction & Installation 4 Disassembly and Reassembly 16 Refrigerating Cycle Diagram 27 Feature & Operation 37 Set Up the Model Option 51 Troubleshooting 54 Exploded Views and Parts List 64 Block Diagram 70 PCB Diagram 71 Wiring Diagram 81 Schematic Diagram 84
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 1 1. Precautions 11) Cut off the power. ● Make sure to cut off the power before repair. If not, you may be damaged by an electric shock. 12) Do not install an outdoor unit on the apartment outside wall(or equivalent) for safety. ● Installing an outdoor unit on the apartment outside wall(or equivalent) is prohibited for the safety purpose.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 2 2.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 3 Table(cont.) MODEL INDOOR UNIT GH052EAM GH070EAM OUTDOOR UNIT UH052EAMT UH070EAMT PANEL Outdoor Unit Dimension (Net / Gross) Weight Indoor Unit Condition Outdoor Unit Pipe O.D.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 4 3.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 5 Operation Instruction & Installation 3-1-2 Outdoor Unit 648 (Unit : mm) 660 31 0 880 Samsung Electronics 5
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 6 3-2 Air Conditioner and Accessories The following accessories are supplied with the air conditioner. ■ The quantities are indicated in parentheses. 3-2-1 Accessories in the Indoor Unit Case Pattern sheet Insulation refrigerant pipe Insulation cover drain Flexible hose Insulation drain Installation manual TIONS OWNER’S INSTRUC Splut-type Room Rubber Air Conditioner Insulation cover band ✳The following accessories are supplied with the indoor unit.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 7 Operation Instruction & Installation ■ Wireless Remote Controller Accessories Wireless remote controller(1) Battery(2) Remote control holder(1) STS 2S-2x10 tapped screw(2) Owner’s instructions(1) Installation manual(1) Cable clamp(5) M4x16 tapped screw(7) Owner’s instructions(1) Installation manual(1) Cable clamp(6) M4x16 tapped screw(7) Owner’s instructions(1) Installation manual(1) Transmitter communication cable(1) Installation manual(1) ■ Centr
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 8 3-3 Installation 3-3-1 Before Installation Keep the air conditioner drain hose outlet and inlet free from its surroundings. In case of breakdown, keep the symmetry and fix it to prevent vibration. The pipe length shall meet the standard as far as possible. 3-3-2 Installation Procedure ■ Location Install the product in an area to guarantee the best cooling effect, convenience of piping and electric work, and inexistence of vibration or wind in the vicinity.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 9 3-4 Installation Diagram of Indoor Unit and Outdoor Unit 3-4-1 Air-Purge Procedure 1) Connect each assembly pipe to the appropriate valve on the outdoor unit and tighten the flare nut. Indoor unit Outdoor unit A Gas pipe side C B Liquid pipe side D 2) Connect the charging hose of low pressure side of manifold gauge to the packed valve having a service port (3/8" Packed valve) as shown at the figure.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 10 Operation Instruction & Installation 3-4-2 Refrigerant Refill Refill an air conditioner with refrigerant when refrigerant has been leaked at installing or using. 1) Purge air(for new installation only). 2) Turn the 3-Way valve clockwise to close, connect the pressure gauge (low pressure side) to the service valve, and open the 3-Way valve again. Suspension hook Compound gauge High pressure gauge Hand wheel 3) Connect the tank to refill with refrigerant.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 11 Operation Instruction & Installation 3-4-3 ”Pump down” Procedure Pump down will be carried out when an evaporator is replaced or when the unit is relocated in another area. 1) Remove the caps from the 2-Way valve and the 3-Way valve. 2) Turn the 3-Way valve clockwise to close and connect a pressure gauge (low pressure side) to the service valve, and open the 3-Way valve again. 3-Way Valve 3) Set the unit to cool operation mode.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 12 3-5 Installation 3-5-1 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. SW02 MAIN SW03 SW04 SW01 RMC SW05 K5 K6 K7 K8 K1 K2 K3 K4 K9 K10 K11 K12 ✳ Yon don’t have to assign the MAIN address when installing an indoor unit for one outdoor unit. 3.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 13 Operation Instruction & Installation 3-5-2 Additional Functions ■ Compensation for lost temp. in heating operation ■ • Reduces the difference between an actual room temp. and a sensed ■ • temp. by the air conditioner when heating. K5 K6 K7 K8 SW04 Switch No. Switch ON Switch OFF K5 2°C compensation 5°C compensation ■ Adjusting filter cleaning cycle ■ • You can adjust the cycle for filter sign indicator. K5 K6 K7 K8 Switch No.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 14 Operation Instruction & Installation 3-5-3 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.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 15 Operation Instruction & 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 fo
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DB98_16890A(2)_1 5/10/04 2:20 PM Page 16 4. Disassembly and Reassembly Stop operation of the air conditioner and remove the power cord before repairing the unit. 4-1 Indoor Unit No Parts 1 Front Grille _ Dust-Collecting Procedure Remark 1) Press the "PUSH". Filter 2) Front Grille Disassembly (1) Open the Front Grille and pull it up to the direction in the picture. (2) Detach the Safe Ring. 3) Filter Disassembly (1) Detach the Filter by disassembling the Grille hook.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 17 Disassembly and Reassembly No Parts Procedure Remark 4) Detach 6 bolts and 2 fixing screws connected to the Main Body.(Mark point) 5) Unscrew a mark point in the picture, and detach the Cover from the Panel with pushing the hook. 6) Detach the connection wires of Step Motor and the receive part from the wire of a Main Body. 7) Widen the both hooks of panel hooked with the Main Body to both sides, and detach the Panel from the Indoor Unit.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 18 Disassembly and Reassembly No Parts 2 Electronic Part _Indoor & Outdoor Connecting Cable Procedure Remark 1) Unscrew 2 fixing screws of the Case control and screw of Thermistor wire and holder. 2) Push the hook, and pull the knob of a case. 3) Detach the indoor and outdoor connection wire cable connected to the Terminal.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 19 Disassembly and Reassembly No Parts 3 EVAP ASS'Y Procedure Remark 1) Unsrew 3 screws connected to the main body and Cover Side. 2) Detach the Cover Side if from the main body. 3) Unscrew 16 screws connected to the Drain Pan and the main body.(Mark point) 4) Detach the Drain Pan from the main body. 5) Unscrew 4 Heat Exchanger screws connected to the cabinet body and cover Evap Guide.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 20 Disassembly and Reassembly No Parts Procedure Remark 6) Detach the Drain Pump Sensor from the holder, and detach the Heat Exchanger from the main body by pushing it to the direction of Drain. 4 Fan & Motor 1) Unscrew 4 screws of Cover Motor and Evap Guide connected to the Case Motor. 2) After detaching the Cover Motor by pushing the hook, detach the Cover Evap Guide. 3) Detach the Motor and Fan from the case.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 21 Disassembly and Reassembly No Parts 5 Drain Pump Procedure Remark 1) Detach the Drain Hose connected to the Drain Pump by loosening the spring. 2) Unscrew 4 screws connected to the Holder Pump and Drain Pump. 3) After connector detaching, detach the Drain Pump from the holder. 6 Other Parts Samsung Electronics 1) In case of the other parts, detach it like a picture when necessary.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 22 Disassembly and Reassembly No Parts 7 Front Panel Procedure Remark 1) Unscrew 2 screws of the Holder Motor fixed on the Panel, and detach the Holder Motor. The Panel, and detach the Holder Motor. 2) Unscrew 2 screws of the Step-Motor, and detach the Step-Motor from the Panel. 3) Detach the cable clamp screw. 4) Push the hook of case PCB to the both sides and detach the case from the Panel.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 23 Disassembly and Reassembly No Parts Procedure Remark 5) When detaching the PCB from the case, unscrew the 6 screws and push the hook at the mark. 6) When detaching the blade, detach the opposite side first of Step Motor after turning over the guide on the Panel. 7) When detaching the Blade V, after detaching the link by pushing, detach the blade with pushing to the direction of arrow.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 24 4-2 Outdoor Unit No Parts 1 Common Work Procedure Remark 1) Loosen the fixing screws and separate the Cover Control. 2) Separate the connection wire from the Terminal Block. 3) Loosen the fixing screws and separate the Upper Cabinet. 4) Loosen the fixing screws and separate the Front Cabinet. 5) Loosen 2 screws and pull up the Control Box. 6) Separate the terminal cover and separate the Comp lead wire.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 25 Disassembly and Reassembly No Parts Procedure Remark 7) Loosen the fixing screws and separate the Cabinet Side. 2 Fan & Motor 1) Loosen the fixing bolt and separate the Fan. 2) Loosen 4 fixing bolts to separate the Motor.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 26 Disassembly and Reassembly No Parts 3 Heat Exchanger & Compressor 26 Procedure Remark 1) Release the refrigerant at first. 2) Disassemble the inlet and outlet pipe by welding. 3) Loosen the fixing screws of the Heat Exchanger. 4) Separate the Heat Exchanger. 5) Loosen four bolts of the Compressor. 6) Separate the Compressor.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 27 5. Refrigerating Cycle Diagram INDOOR UNIT OUTDOOR UNIT *Allowable pipe length : Max. 50m *Allowable drop distance : Max.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 28 5-2 Refrigerant Cycle Characteristic 5-2-1 Capacity Distributions Capacity Distributions according to indoor and outdoor temp. variation. ■ COOLING MODE ■ GH052EAM 105 102.46 99.09 100 97.98 93.17 Capacity (%) 95 90 91.46 83.93 85 7.5m 80 30m 75 70 5 10 15 20 25 30 35 40 45 Outdoor Temperature (ßC) ■ GH070EAM 105 98.12 100 102.31 99.3 99.9 95 Capacity (%) 96.21 90 87.83 85 79.03 80 75 76.69 7.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 29 Refrigerating Cycle Diagram ■ HEATING MODE ■ GH052EAM 110 100 Capacity (%) 100 90 94.66 80.72 80 80.19 68.76 70 7.5m 65.25 60 59.58 30m 55.23 50 -15 -10 -5 0 5 10 15 20 25 30 Outdoor Temperature (ßC) ■ GH070EAM 110 104.44 99.12 100 104.12 Capacity (%) 90 92.79 80 74.07 70 63.88 7.5m 60 63 57.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 30 Refrigerating Cycle Diagram 5-2-2 Power Consumption Distributions Power Consumption Distributions according to indoor and outdoor temp. variation. ■ COOLING MODE ■ GH052EAM 120 109 110 Consumption (%) 100.84 111.41 100 98.74 90 84.06 80 82.72 7.5m 70 30m 60 5 10 15 20 25 30 35 40 45 Outdoor Temperature (ßC) ■ GH070EAM 130 121.5 120 Consumption (%) 118.7 106.4 110 100 103.1 92.72 92.1 90 92.94 80 7.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 31 Refrigerating Cycle Diagram ■ HEATING MODE ■ GH052EAM 120 Consumption (%) 110 106.25 100.71 106.12 100 99.65 88.99 90 83.6 80 89.99 7.5m 82.98 30m 70 -15 -10 -5 0 5 10 15 20 25 30 Outdoor Temperature (ßC) ■ GH070EAM 110 102.16 100.43 Consumption (%) 100 100.13 96.44 90 83.26 78.83 80 81.57 77.77 7.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 32 Refrigerating Cycle Diagram 5-2-3 Low Pressure Distributions ■ COOLING MODE ■ GH052EAM Low Pressure (kg/cm2G) 12 9.88 10 8.42 7.51 8 8.47 8.27 7.08 6 7.5m 4 30m 2 5 10 15 20 25 30 35 40 45 Outdoor Temperature (ßC) ■ GH070EAM Low Pressure (kg/cm2G) 12 9.31 10 8.02 7.84 8 8.7 7.76 6.3 6 5.78 7.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 33 Refrigerating Cycle Diagram 5-2-4 High Pressure Distributions ■ HEATING MODE ■ GH052EAM 40 High Pressure (kg/cm2G) 34.47 35 34.02 28.65 30 25.32 25 22.82 20 22.18 28.27 24.53 7.5m 30m 15 -15 -10 -5 0 5 10 15 20 25 30 Outdoor Temperature (ßC) ■ GH070EAM High Pressure (kg/cm2G) 40 34.19 35 34.55 30.18 30 29.52 25.04 25 7.5m 23.83 30m 23.56 22.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 34 Refrigerating Cycle Diagram 5-2-5 Air Volume according to the RPM variation(High/Mid/Low) ■ Indoor Unit m3/min 15 14.5 14 13.5 13 12.5 12 11.5 11 10.5 10 9.5 9 8.5 8 7.5 7 High Mid Low GH052EAM-Cooling-Vol. GH052EAM-Heating-Vol. GH070EAM-Cooling-Vol. GH070EAM-Heating-Vol.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 35 Refrigerating Cycle Diagram 5-2-6 Noise Level according to the RPM variation(High/Mid/Low) ■ Indoor Unit dB 46 45 44 43 42 41 40 39 38 37 High Mid Low GH052EAM-Cooling-Noise GH052EAM-Heating-Noise GH070EAM-Cooling-Noise GH070EAM-Heating-Noise RPM ■ Outdoor Unit Section UH052EAMT UH070EAMT Samsung Electronics Operation Noise(dB) Cooling 61 Heating 61 Cooling 61 Heating 61 Remark 35
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 36 5-3 Cautions Of using for R410A ■ HFCs 1. When installing or removing or servicing an air conditioner, do not allow air or moisture to remain in the refrigeration cycle. 2. When evacuating an air conditioner, always use the vacuum pump and sufficiently evacuate an air conditioner. 3. Certainly use the specified lubricant(Polyol ester oil), valve and dryer. ■ Lubricants 1. Synthetic Oils : POE, PVE, PAG, AB 2. POE is made from Acid and Alcohol 1.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 37 6. Feature & Operation 6-1 The Feature of Key in remote control No BUTTON FUNCTION On/Off & Timer Set/Cancel button. Press the button to stop and run the air conditioner or set up On/Off timer. 1 Mode selection button. Each time you press this button, mode is changed in the following order. : Auto Mode : Fan Mode : Cool Mode : Heat Mode √ In case of Heat pump model : Dry Mode 2 √ In case of Cooling only model (UP) Temp. adjustment button(UP).
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 38 6-2 Details for Operation Property 6-2-1 Automatic control ● Automatic operation mode ✳ Ts=Remote Setting Temp. Room Temp.(˚C) Cooling operation Ts = 18˚C ~ 30˚C Ts -1˚C Heating operation Ts = 16˚C ~ 30˚C 1. First selection of auto control at the other operation mode. 1. When auto operation on from off state 1. To determine the initial operation mode by comparing the room temp. and desired temp. (Ts) 1. - Room Temp. (Tr) ≥ Desired temp.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 39 Feature & Operation 6-2-2 Cooling operation control ● Operation Pattern 1. COMPor ON/OFF control ✳ Ts=Remote Setting Temp. Room Temp.(°C) Ts Ts-1 COMPor Control ON OFF ON ● Operation specification 1. Control of Setting temp. 1. → remote control setting : 18˚C ~ 30˚C 2. COMPor ON/OFF control 1. → Compressor turn on/off control according to the setting temp. and room temp. 1. → COMPor off : "Room temp. ≤ setting temp.(Ts)-1" 1. → COMPor on : "Room temp.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 40 Feature & Operation 6-2-3 Dehumidifier control ● Operation Pattern ✳ Ts=Remote Setting Temp. Room Temp.(°C) (I-MODE) Ts+4 (II-MODE) Ts+3 Ts+2 (III-MODE) Ts+1 Ts (IV-MODE) Ts-1 ● Operation spec 1. On/Off time as per dehumidifying mode and operation cycle indoor Operation Cycle(Min.) COMPor & Indoor Fan I-Mode II-Mode III-Mode ON Time 6 Min. 5 Min. 3 Min. OFF Time 4 Min. 5 Min. 6 Min. IV-Mode COMPOR=OFF 2.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 41 Feature & Operation 6-2-4 Fan operation mode control ● Operation Pattern 1. COMPor and outdoor fan control COMPor Control ON outdoor fan control ON OFF ↑ set Fan control 2. Indoor fan control Remote control display Indoor fan mode natural wind natural wind High Mid Low ● Operation specification ● 1. When receiving the signal of Fan control from Remote control. ● 1.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 42 Feature & Operation 6-2-5 Heating operation control ● Operation Pattern ✳ Ts=Setting Temp. ∆ T=temp. by the cooling operation option(2˚C/5˚C) Indoor Temp.(°C) Ts+1+∆T Ts-1+∆T COMPor Control ON OFF ON ● Operation specification 1. COMPor ON/OFF Control 1. Control of compressor on/off by the indoor temp. and setting temp. 1. 1) Compressor on/off control by the room temp. 1. 1) → Compressor Off at "room temp. = desired temp.(Ts)+1+∆T" 1.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 43 Feature & Operation 6-2-6 Cold draft control ● Operation Pattern (temp. increase) Indoor unit sensor (temp. decrease) 40˚C 34˚C 24˚C Indoor fan mode Setting fan mode Low Indoor OFF COMP OFF ON OFF ● Indoor fan control 1. To control the indoor fan according to the temp. of indoor heat exchanger 1. 1) COMPor ON 1. 1) - Temp. rise of indoor heat exchanger 1. 1) - indoor heat exchanger temp. < 34˚C → indoor fan : OFF 1. 1) - indoor heat exchanger temp.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 44 Feature & Operation 6-2-7 The protection control by the condensing temp. on heating mode. (The indoor unit sensor) ● Control method : Protection control by the condensing temp.(indoor unit pipe sensor) protection control by the condensing temp. during heating (pipe sensor) 1. COMP DOWN 1) When the room pipe temp. is above 70˚C during heating, the comp shall be stopped immediately and restart it 3 minutes and under 50 ˚C.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 45 Feature & Operation 6-2-9 Outdoor fan control(cooling) 1. Purpose 1. The outdoor fan shall be controlled according to the outdoor temp. during cooling to maintain the indoor exhaust temp. constantly and to maintain the outdoor pipe temp. (condensing pressure) at a certain level. 2. Outdoor fan mode • • 2 FAN control 1 FAN control MODE UPPER FAN LOWER FAN MODE FAN 3 H H 2 H 2 L L 1 L 1 L Stop 0 Stop 0 Stop Stop 2.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 46 Feature & Operation 6-2-10 Anti-freezing control (cooling) 1. Control method 1. 1) Compressor off when the temp. of indoor heat exchanger maintains at under -1˚C for 6 minutes. and if it exceeds +5˚C, cancelling compressor off. 1. 2) Detect 30 minutes after compressor starts if it starts for the first time. (all initial operation) However, If the indoor heat exchanger temp. is lower than -10˚C, the compressor shall stop immediately. 1.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 47 Feature & Operation 6-2-11 Defrost control(2,000 STEP / 480 STEP) ● Purpose ● For the removal of frost on the outdoor heat exchanger during heating, operate in the cooling mode. ● ● ● ● ● ● ● ● ● ● ● 1. Defrost mode change over determination / start condition 1. 1) (T_COIL ≤ C x T_AIROUT - α) & (T_COIL ≤ -5˚C) when maintaining for 5 minutes 1. 1) outdoor heat exchanger pipe sensor temp. : T_COIL 1. 1) outdoor temp. : T_AIROUT 1.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 48 Feature & Operation 6-2-12 Test Operation Method 1. Press the ON/OFF button of the indoor unit for at least 5 seconds. 2. Check the operation of the set mainly for the following points. ◆ 1) OPERATION MODE : COOLING ◆ 2) FAN SPEED : HIGH ◆ 3) BLADE-H : SWING ◆ 4) DISPLAY : OPERATING LED ON ◆ 5) OUT DOOR LOAD : OUT FAN ON, COMP ON 3. Check if the set is in normal operation. 4. Press the ON/OFF button again to switch the power off.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 49 6-3 Circuit Description 6-3-1 Indoor Fan Control ZERO CROSSING PARTS FM1 FM2 ■ Use SSR(Solid State Relay) of Micom to change the ON Time until the 220V sine wave equals the fan motor rpm to control. In the meantime, the Zero Crossing part will recognize AC220V as 0V to determine the Switching Timing.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 50 Feature & Operation 6-3-2 Stepping Motor Control S1 M S4 S2 S3 ■ As shown in the above figure, let the electric currents in sequence flow through the 4 windings to revolve the stepping motor. Of 3 methods of 4 couple stepping switch sequence, 1 Phase Exciter Method, 2 Phase Exciter Method, and 1-2 Phase Exciter Method, the last method was adopted for this circuit.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 51 7. Set Up the Model Option 7-1 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 .
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 52 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.
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 53 Set up the Model Option ■ OPTION ITEMS REMOTE CONTROL SEG1 SEG2 SEG3 SEG4 SEG5 SEG6 SEG7 SEG8 SEG9 SEG10 SEG11 SEG12 MODEL GH052EAM 0 2 5 4 4 2 1 A 0 3 7 1 GH070EAM 0 2 5 4 4 2 1 c 0 3 8 2 Samsung Electronics 53
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DB98_16890A(2)_1 5/10/04 2:09 PM Page 54 8. Troubleshooting ■ Detection of errors ● If an error occurs during the operation, one or more 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. 8-1 LED Display on the indoor unit Indicators Abnormal conditions Operating Green Red Power reset Error of temp.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 55 8-2 Outdoor Unit If an error occurs during the operation, it is displayed on the outdoor unit PCB. Display Explanation High temp. of Discharge (Protection control) Remark Error about protection control of outdoor unit High temp. of outdoor heat exchanger (Protection control) COMP DOWN to protect being frozen Error of momentary power failure (disappears when the unit is Off/On) Error of OUT TEMP. sensor (OPEN/SHORT) Error of temp.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 56 8-3 Wired remote controller ● If an error occurs, is displayed on the wired remote controller. ● If you would like to see an error code, press the Test button.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 57 8-4 Sequence for trouble diagnosis 8-4-1 Outdoor temp. sensor(OPEN/SHORT) Outdoor unit display Er → t1 (Outdoor temp. sensor OPEN/SHORT error) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor temp. sensor Disconnection or leak of applied sensor Is not separated the out temp.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 58 Troubleshooting 8-4-2 Outdoor heat exchanger temp. sensor error(OPEN/SHORT) Outdoor unit display Er → t2 (Outdoor heat exchanger temp. sensor error(OPEN/SHORT) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor heat exchanger temp. sensor Disconnection or leak of Applied sensor Is not separated the out heat exchanger temp.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 59 Troubleshooting 8-4-3 Outdoor discharge temp. sensor error(OPEN/SHORT) Outdoor unit display Er → t3 (Outdoor discharge temp. sensor OPEN/SHORT error) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of outdoor discharger temp. sensor Disconnection or leak of Applied sensor Is not separated the outdoor discharge temp.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 60 Troubleshooting 8-4-4 Communication error during the operation Outdoor unit display Er → E1 (Communication error during the operation) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) Disconnection and short of communication lines Communication error between the indoor unit and outdoor unit.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 61 Troubleshooting 8-4-5 Communication error between indoor and outdoor after initial power input.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 62 Troubleshooting 8-4-6 Indoor float switching error Outdoor unit display Er → E3 (Indoor float switching error ) (Operation) Indoor unit display How to determine Reason of error (Timer) (Airflow) (Filter) The status continues over 1 minute that indoor unit float switch is opened.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 63 MEMO Samsung Electronics 63
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 64 9. Exploded Views and Parts List 9-1 Indoor Unit 1-8 3 1-6 1-7 1-4 1-2 3-2 2 1-5 1-1 1 1-3 3-1 5 4 5-2 11 12 8 5-1 9 10 11 7 8 6 12 14 9 21 13 20 23 25 15 19 18 22 17 24 16 You can search for the updated part code number through the ITSELF. URL : http://itself.sec.samsung.co.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 65 Exploded Views and Parts List ■ Parts List No. Code No.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 66 9-2 Panel 7 1 6 12 10 20 8 11 14 9 13 19 16 15 18 17 2 3 4 5 21 66 22 Samsung Electronics
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 67 Exploded Views and Parts List ■ Parts List No. Code No.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 68 9-3 Outdoor Unit 20 1 2 21 22 15 23 16 5 4 24 8 13 25 9-7 9-1 9-3 10 3 11 9-6 9 9-2 9-5 14 12 9-4 17 19 26 18 6 7 68 Samsung Electronics
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 69 Exploded Views and Parts List ■ Parts List No. Code No. Description Q'TY Specification UH052EAMT UH070EAMT 1 DB90-01363A ASS'Y-COVER TOP ASS'Y 1 1 2 DB90-01388A ASS'Y CABINET-FRONT ASS'Y 1 1 3 DB67-00140A FAN-PROPELLER AS+GF20%,OD460,3BLADE 1 1 1 4 DB61-01167A BRACKET-MOTOR SGCC-M,T1.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 70 10. Block Diagram Up and down STEP MOTOR Room temp. SENSOR pipe sensor pipe outlet sensor MAIN PCB Indoor left and right FAN RPM feedback control Function display part remote control receiving part Option saving control MICOM Communication(485comm) Indoor unit ADDRESS setting part 485 comm control RMC ADDRESS setting part Blackout restoring function Room temp.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 71 11.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 72 PCB Diagram ■ BOTTOM 72 Samsung Electronics
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 73 PCB Diagram ■ Parts List Location No. Description Specification Q'TY BD71 DIODE-BRIDGE DF06S,600V,1A,SMD-4,TP 1 BZ61 BUZZER-PIEZO 70dB,3V,-,2KHz,BK 1 C101 C-AL 2200uF,20%,35V,GP,TP,16x25,7.5 1 C102 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 1 C103 C-AL 2200uF,20%,25V,GP,TP,16x25,7.5 1 C104 C-CER,CHIP 100nF,+80-20%,50V,Y5V,TP,2012 1 C105 C-AL 470uF,20%,25V,GP,TP,10x12.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 74 PCB Diagram ■ Parts List(cont.) Location No. Description Specification Q'TY CN43 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN 1 CN51 CONNECTOR-HEADER BOX,2P,1R,2.5mm,STRAIGHT,SN 1 CN52 CONNECTOR-HEADER BOX,3P,1R,2.5mm,STRAIGHT,SN 1 CN53 CONNECTOR-HEADER BOX,3P,1R,2.5mm,STRAIGHT,SN 1 CN60 CONNECTOR-HEADER BOX,10P,1R,2mm,STRAIGHT,SN,NTR 1 CN61 CONNECTOR-HEADER BOX,12P,1R,2mm,STRAIGHT,SN 1 CN71 CONNECTOR-HEADER 1WALL,2P,1R,7.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 75 PCB Diagram ■ Parts List(cont.) Location No. Description Specification Q'TY R303 R-CHIP 10Kohm,5%,1/8W,TP,2012 1 R401 R-CHIP 6.8Kohm,1%,1/8W,TP,2012 1 R402 R-CHIP 6.8Kohm,1%,1/8W,TP,2012 1 R403 R-CHIP 6.8Kohm,1%,1/8W,TP,2012 1 R404 R-CHIP 6.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 76 11-2 Outdoor Unit (Code No:DB93-01855K;UH052EAMT / DB93-01855J;UH070EAMT) ■ TOP ■ BOTTOM ✳ The figure of PCB Pattern is common UH052EAMT and UH070EAMT. ✳ Only part list is different from between UH052EAMT and UH070EAMT.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 77 PCB Diagram ■ Parts List(UH052EAMT) Location No. Description Specification Q'TY D201,D901~D916 DIODE-SWITCHING RLS4148,100V,200MA,SOD-80C,TP 17 D101~D105 DIODE-RECTIFIER 1N4007,1000V,1A,DO-41,TP 5 CD31~CD32 DIODE-TVS SAC5.0,7.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 78 PCB Diagram ■ Parts List(UH052EAMT)(cont.) Location No. Description Specification Q'TY CN31 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN 1 CN77 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,WH 1 CN72 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,BL 1 CN73 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,WH 1 CN75 CONNECTOR-HEADER 1WALL,4P,1R,7.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 79 PCB Diagram ■ Parts List(UH070EAMT) Location No. Description Specification Q'TY D201,D901~D916 DIODE-SWITCHING RLS4148,100V,200MA,SOD-80C,TP 17 D101~D105 DIODE-RECTIFIER 1N4007,1000V,1A,DO-41,TP 5 CD31,CD32 DIODE-TVS SAC5.0,7.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 80 PCB Diagram ■ Parts List(UH070EAMT)(cont.) Location No. Description Specification Q'TY CN31 CONNECTOR-HEADER 1WALL,2P,1R,3.96mm,STRAIGHT,SN 1 CN77 CONNECTOR-HEADER 1WALL,2P,1R,7.92mm,STRAIGHT,SN,WH 1 CN72 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,BL 1 CN73 CONNECTOR-HEADER 1WALL,3P,1R,7.92mm,STRAIGHT,SN,WH 1 CN75 CONNECTOR-HEADER 1WALL,4P,1R,7.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 81 12. Wiring Diagram 12-1 Indoor Unit Code No : DB98-09029A This Document can not be used without Samsung's authorization.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 82 12-2 Outdoor Unit ■ UH052EAMT Code No : DB98-14410A This Document can not be used without Samsung's authorization.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 83 Wiring Diagram ■ UH070EAMT Code No : DB98-14410B This Document can not be used without Samsung's authorization.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 84 13. Schematic Diagram 13-1 Indoor Unit This Document can not be used without Samsung's authorization.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 85 13-2 Outdoor Unit ■ UH052EAMT This Document can not be used without Samsung's authorization.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 86 Schematic Diagram ■ UH070EAMT This Document can not be used without Samsung's authorization.
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 87 MEMO Samsung Electronics 87
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DB98_16890A(2)_1 5/10/04 2:10 PM Page 88 MEMO 88 Samsung Electronics
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DB98_16890A(2)_Co 5/10/04 2:07 PM Page 2 ELECTRONICS This Training 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.