Samsung ASH070VE/D Service Manual Download

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SERVICE

Manual

INDOOR UNIT
ASH070VE/D
ASH090VE/D
ASH120VE/D
ASH071VE/D
ASH091VE/D
ASH121VE/D
ASH074VE/D
ASH094VE/D
ASH124VE/D
ASH075VE/D
ASH095VE/D
ASH125VE/D

OUTDOOR UNIT
AXH070VE/D
AXH090VE/D
AXH120VE/D
AXH071VE/D
AXH091VE/D
AXH121VE/D
AXH074VE/D
AXH094VE/D
AXH124VE/D
AXH075VE/D
AXH095VE/D
AXH125VE/D

CONTENTS

AIR CONDITIONER

1. Pre c a u t i o n s

2. Product Specifications

3. Operating Instructions and

I n s t a l l a t i o n

4. Disassembly and Reassembly

5. Tro u b l e s h o o t i n g

6. Exploded Views and Parts List

7. Block Diagrams

8. PCB Diagrams

9. Wiring Diagrams

10. Schematic Diagrams

Summary of Contents for ASH070VE/D

Page 1: ...D AXH090VE D AXH120VE D AXH071VE D AXH091VE D AXH121VE D AXH074VE D AXH094VE D AXH124VE D AXH075VE D AXH095VE D AXH125VE D CONTENTS AIR CONDITIONER 1 Precautions 2 Product Specifications 3 Operating...

Page 2: ...Samsung Electronics Co Ltd FEB 1997 Printed in Korea Code No DB81 10122A 1...

Page 3: ...g into a power cord This practice may result in malfunction or fire 6 After completing repairs and reassembly check the insulation resistance Procedure Prior to applying power measure the resis tance...

Page 4: ...1 2 Samsung Electronics MEMO...

Page 5: ...tep CAPILLARY TUBE 280 695 MST24AMM 12008 ASH090VE ASH091VE ASH094VE ASH095VE Indoor unit Outdoor unit Wall mounting 9000 1 6 10000 6 1 6 9 35 45 35 45 10 1 10 7 1 220 240 50 890 930 4 0 4 0 92 7 96 9...

Page 6: ...2 2 Samsung Electronics 2 2 Dimensions 2 2 1 Indoor Unit 2 2 1 Outdoor Unit Air in Front view Remote control Rear view Front view Rear view Air out Installation plate...

Page 7: ...75VE Cooling characteristics Heating characteristics 11 10 9 8 7 6 5 4 3 25 Outdoor Inlet air D B temp C 30 40 35 45 50 11 10 9 8 7 6 5 4 3 5 Outdoor Inlet air D B temp C 0 10 5 15 20 25 14 13 12 11 1...

Page 8: ...cs Heating characteristics 11 10 9 8 7 6 5 4 3 25 Outdoor Inlet air D B temp C 30 40 35 45 50 11 10 9 8 7 6 5 4 3 5 Outdoor Inlet air D B temp C 0 10 5 15 20 25 14 13 12 11 10 9 8 7 6 5 4 3 25 Outdoor...

Page 9: ...E Cooling characteristics Heating characteristics 11 10 9 8 7 6 5 4 3 25 Outdoor Inlet air D B temp C 30 40 35 45 50 11 10 9 8 7 6 5 4 3 5 Outdoor Inlet air D B temp C 0 10 5 15 20 25 14 13 12 11 10 9...

Page 10: ...D Cooling characteristics Heating characteristics 11 10 9 8 7 6 5 4 3 25 Outdoor Inlet air D B temp C 30 40 35 45 50 11 10 9 8 7 6 5 4 3 5 Outdoor Inlet air D B temp C 0 10 5 15 20 25 14 13 12 11 10 9...

Page 11: ...E Cooling characteristics Heating characteristics 11 10 9 8 7 6 5 4 3 25 Outdoor Inlet air D B temp C 30 40 35 45 50 11 10 9 8 7 6 5 4 3 5 Outdoor Inlet air D B temp C 0 10 5 15 20 25 14 13 12 11 10 9...

Page 12: ...D Cooling characteristics Heating characteristics 11 10 9 8 7 6 5 4 3 25 Outdoor Inlet air D B temp C 30 40 35 45 50 11 10 9 8 7 6 5 4 3 5 Outdoor Inlet air D B temp C 0 10 5 15 20 25 14 13 12 11 10 9...

Page 13: ...cle Block Diagram INDOOR UNIT OUTDOOR UNIT Heat exchanger Evaporator Gas side 3 way valve 2 way valve Liquid side Capillary tube Cooling Gas leak check point Heat exchanger Condenser Heating Capillary...

Page 14: ...tton to reserve the timer on Set up the time that operation stop Set up the time that operation start Each time you press this button FAN SPEED is changed in the following order Adjusts air flow verti...

Page 15: ...mode Compressor ON OFF Time is controlled compulsorily can not set up the fan speed always breeze Protective function Low temperature release Prevention against freeze 5 TURBO MODE This mode is avail...

Page 16: ...CD displays the polling state sequentially The LCD also displays the time remaining 11 24 Hour ON OFF Real Setting Timer The air conditioner is turned ON at a specified time using OFF TIMER The air Co...

Page 17: ...in a high place 3 Make sure that you install the outdoor unit in area providing good ventilation and which is not dusty It must not be blocked by any obstacle affecting the airflow near the air inlet...

Page 18: ...ain hose installation Cut the piping hole sloped slightly Piping Liquid 1 4 Clamper tube Installation plate Installation tube Pipe connection Vinyl tape Screw Putty Drain hose Piping may be laid to th...

Page 19: ...or bolts the anchor bolts must not project by more than 20mm 4 Determine the positions of the wooden uprights to be attached to the window frame 5 Attach the wooden uprights to the window frame in a m...

Page 20: ...m the indoor unit the cable must first be extended to a maximum of ten metres 1 Extend the assembly cable if necessary 2 Open the front grille by pulling on the tabs on the lower right and left sides...

Page 21: ...the entry of water form a trap of the ass y cable as illustrated in the installation dia gram of indoor and outdoor unit In heating and de ice operation condensed water may be generated Install drain...

Page 22: ...ing a pipe cutter Tools used 2 Remove burrs at the tip of the pipe cut Caution Burrs not removed may result in leakage of gas 3 Insert a flare nut into the pipe and modifty flare Unproper flaring Oute...

Page 23: ...the cap of each valve 8 Check each valve for leakage 5 Open the service valve cap of the 3 way valve and press the needle valve to discharge gas for 3 seconds and leave it for about 1 minute Repeat t...

Page 24: ...ide to the service valve and open the 3 way valve again 5 Check the pressure indicated by the pressure gauge low pressure side Standard pressure is should be 4 5 5 5kg cm2 in a reqular high operation...

Page 25: ...12 7 12000Btu Gas Side 160 300 500 200 350 550 Fixing Torque Final Torque Torque kg cm Connection Pipe Length 5m Max 5 10m Air Purge Method Refer to the detailed Air Purge Procedure Refrigerant Adjust...

Page 26: ...location of the air conditioner Refer to this procedure when the unit is relocated 1 Carry out the pump down procedure refer to the details of pump down 2 Remove the power cord 3 Disconnect the assemb...

Page 27: ...Samsung Electronics 3 14 MEMO...

Page 28: ...nd finger to the left and right handle and pull to open the inlet grille 4 Take the left and right filter out 5 Loosen one of the right fixing screw and seperate the terminal cover 6 Loosen two fixing...

Page 29: ...1 2 above 2 Take all the connector of PCB upper side out Inclusion Power cord 3 Separate the outdoor unit connection wire from the terminal block 4 If pulling the Main PCB up it will be taken out Sep...

Page 30: ...dure Remark 3 Fan Motor and Cross Fan 1 Do 1 2 3 4 above 2 Loosen the fixing three screws and separate the motor holder 3 Loosen the fixing screw of fan motor By use of M3 wrench 4 Separate the fan mo...

Page 31: ...Separate the connection wire from the termi nal block 3 Loosen three fixing screws and separate the upper cabinet 4 Loosen the two fixing screws of Ass y E part 5 Loosen seven fixing screws and separa...

Page 32: ...the motor 1 Do 1 above 2 Loosen three fixing screws of left and right side 3 Disassemble the inlet and outlet pipe by welding 4 Separate the heat exchanger 1 Do 1 above 2 Open the terminal cover of co...

Page 33: ...e compressor stops intermittently in a COOL mode or DRY mode and fan speed of the indoor unit decreases It indicates power is on The LED stops blinking if the operation ON OFF button on the remote con...

Page 34: ...DC Is voltage of 63 indoor fan of the micom normal Is voltage at 32 terminal of the Micom normal 0VDC Is voltage at 64 terminal of the Micom normal 5VDC Is 198 264VAC applied to the primary side of th...

Page 35: ...hooting After unplugging out the power cord should be reconnected within five seconds Does the operating lamp Green blink Does the Solid State Relay SS71 work properly Is the supply voltage of the fan...

Page 36: ...cord should be reconnected within five seconds Does the operating lamp blink YES YES NO NO NO 1 YES 3 2 NO YES 1 NO 2 NO Outdoor unit is out of order Power relay is out of order Power relay should be...

Page 37: ...ing Does operation start when swing button of the remote control unit pushed Voltage at pin 33 36 of micom ICO4 change Squarewave Volatge at pin 10 11 12 13 of IC05 KID65003 change Squarewave UP DOWN...

Page 38: ...on Micom is faulty Receiver module is faulty Q601 C4375Y or Q602 C1623Y is faulty IR LED CL 1L5EU is faulty sound heard from the indoor unit when ON OFF button on the remote control unit pushed Voltag...

Page 39: ...its substrate So if a circuit board is roughly handled such lead wires and parts will be easily broken or damaged by bending or shock 5 When soldering the lead wires of any new part be sure to polish...

Page 40: ...18Vac 3 DC voltage at OUT and GND of IC01 KA7812 12VDC 4 DC voltage at OUT and GND of IC02 5VDC 5 DC voltage at Q201 Base and GND change squarewave Voltage check 1 Voltage of relay RY71 coil Voltage a...

Page 41: ...al At ambient temperature 10 C 30 C Abnormal Measure the voltage between ground and signal wire of the fan motor Normal Abnormal Abnormal if voltage does not change from 0V to 5V Normal At ambient tem...

Page 42: ...Samsung Electronics 6 1 6 Exploded Views and Parts List 6 1 Indoor Unit...

Page 43: ...BODY BUSH ASS Y BACK BODY HOLDER PIPE PLATE HANGER ABS ABS PC PC PP CLEANER CARBON HIPS ASS Y ASS Y ASS Y ASS Y PC PC ASS Y ASS Y ASS Y DC12V 600GR HIPS ASS Y ASS Y ASS Y PVC ASS Y AMPFS040WTVB 95 61...

Page 44: ...Samsung Electronics 6 3 6 2 Outdoor Unit 24 1 24 25 25 2 25 1 25 3 25 4 25 5 18 18 1 19...

Page 45: ...NAL NUT FLANGE ASS Y 4 WAY VALVE 4 WAY VALVE ASS Y CHECK VALVE ASS Y COND INSU CABI SIDE ASS Y CABI SIDE ASS Y COVER E PARTS ASS Y CABLE BAG ASS Y FLARE NUT FLARE NUT DRAIN PLUG CAP DRAIN ABS 2C SM20C...

Page 46: ...0A PH M2 DB67 60061A DB67 60062A DB67 60063A 90 250 DB93 40179C DB61 40243A Description ASS Y CODE CASE UP CASE LOW DOOR REMOCON COVER BATTERY FILTER REMOCON RUBBER REMOCON INLAY LCD INLAY REMOCON LAB...

Page 47: ...B32 50021A Description CASE CONTROL Ass y main PCB Ass y main PCB Ass y main PCB Micom Thermistor EVAP Trans power C film Power relay Fuse Ass y display and Remocon Module Ass y display and Remocon Mo...

Page 48: ...6 7 Samsung Electronics MEMO...

Page 49: ...MER SELECT TEMPERATURE SELECT SLEEP SELECT TIME SETTING COMPRESSOR CONTROL SIGNAL OUTDOOR FAN CONTROL SIGNAL 4 WAY VALVE CONTROL SIGNAL STEPPING MOTOR CONTROL SIGNAL BUZZER CONTROL SIGNAL TRIGER SIGNA...

Page 50: ...Samsung Electronics 8 1 8 PCB Diagrams 8 1 a Main PCB 7000Btu DB93 10483A...

Page 51: ...TOR BUZZER TRANS L V PIN EYELET C CERAMIC C CERAMIC C CERAMIC C ELEC C ELEC C ELEC C ELEC IC MCU IC RSONATOR CERAMIC IC DRIVE TR GENERAL TRANSISTOR TRANSISTOR SWITCH TACT CONNECTOR WAFER CONNECTOR WAF...

Page 52: ...Samsung Electronics 8 3 8 1 b Main PCB 9000 12000Btu 12000BUT DB93 10471A 9000BUT DB93 10485A...

Page 53: ...C RSONATOR CERAMIC IC DRIVE TR GENERAL TRANSISTOR TRANSISTOR SWITCH TACT CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR WAFER CONNECTOR TERMI...

Page 54: ...1 001059 0601 001060 0601 001196 DB41 10200A DB41 10199A DB32 50021A DB39 20346A DB61 10143A DB61 10137A 2202 000780 2201 000283 0401 000005 2001 000034 Specification LTL 52EG 002 ORG GRN SY5511 YEL S...

Page 55: ...Samsung Electronics 9 1 9 Wiring Diagrams 9 1 Indoor Unit...

Page 56: ...50VAC CAPACITOR AXH090 091 094 095VD 1 7 30 F X 450VAC CAPACITOR AXH090 091 094 095VE 1 5 30 F X 450VAC CAPACITOR AXH120 121 124 125VD 1 2 30 F X450VAC CAPACITOR AXH070 071 074 075VD 1 7 20 F X450VAC...

Page 57: ...Samsung Electronics MEMO...

Page 58: ...Samsung Electronics MEMO...

Page 59: ...10 1 10 Schematic Diagrams 10 1 Indoor Unit Samsung Electronics...

Page 60: ...Samsung Electronics 10 2 10 2 Remote Control...

Page 61: ...ay not in whole or in part be copied photocopied reproduced translated or converted to any electronic or machine readable from without prior written permission of Samsung Electronics Co Ltd SyncMaster...

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