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INSTALLATION DIAGRAM

Below is an overview for the connection of the Indoor unit to the Outdoor unit. The pages following will give detailed
instructions for full installation. Remember to read the complete Installation section and follow all the safety instructions
fully when installing the Indoor and Outdoor units.

OVERVIEW

This appliance must be installed according to national power supply acquirement.

NOTES:

• After installation it must be

possible for the user to dis -
connect the power supply
plug.

• If the AC outlet is a 3-

pronged type or other, have
an electrician install a new
outlet.

• Contanct service man when

replace the power cord set.

• The specification of AC con -

nection is 1.5mm

2

X 4PX6m.

Drain
Hose

Ground Wire
(Not Supplied)

1/2" side piping

Connecting cable

Signal Wire

1/4" side piping

Drain Hose

Wall

Wall
Cap

Drain
Hose

Pipes

(Not Supplied)

AC

Connection

(Not Supplied)

Wrap with

Tape

AC Outlet

and Plug

Copper

(12000
BTU/h)

(9000BTU/h)

Tubing

At least 30cm

(11.8in) from unit

Maximum Height

7M (21Ft)

Maximum Length

15M (49Ft)

Any tube length between 7 and 15 meters must

be precharged with freon using the following calulation: (Length – 5) x 30 grams

Adding additonal tubing will decrease efficiency

60

cm

23.6
inches

cm

10

cm

3.9 inches

60

23.6
inches

70

cm

27.6
inches

Plug into 220V~240V

AC Outlet

10cm (3.95in)
from ceiling

30cm (11.8in) from

side wall

10cm (3.95in) from

side wall

10cm (3.95in) from

side wall

Wall

Bracket

8

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...
6
7
8
9
10
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Содержание DMB-1812LH

Страница 1: ...iring Diagram 36 6 Refrigerant Cycle 38 7 Control Block Diagram 39 8 Trouble Shooting 41 9 Key Components of Electronic Circuit 71 10 Disassembly Instructions 75 1 Indoor Unit 75 2 Outdoor Unit 77 3 Exploded Diagram Indoor Unit 78 4 Exploded Diagram Outdoor Unit 83 5 Control Box Assembly 85 Contents ...

Страница 2: ...74 925 x 285 x 194 Outdoor Unit Dimensions W x H x D 872 x 675 x 325 Net Weight Indoor Unit kg 7 00 9 70 Outdoor Unit kg 55 94 Electrical Data Compressor Fan Motor Refrigerant R 22 Connection DMB 1812LH W Btu h l h A W A Cooling Heating Cooling Heating Cooling Heating 2637 6 9000 2637 6 9000 3516 8 12000 3516 8 12000 5275 2 18000 5275 2 18000 8 0 1800 0 8 0 1800 0 8 0 1800 0 8 0 1800 0 8 5 1850 0 ...

Страница 3: ...3 750 Plate Mounting REMOCON Connecting Pipe Grille Insert 174 245 REMOTE CONTROLLER Frame Grille Body Plate Mounting 2 OUTLINE AND DIMENSIONS 1 INDOOR UNIT DMB 1812LH 900BTU h ...

Страница 4: ...4 REMOCON Filter L Filter R Grille Insert Frame Grille Body Plate Mounting Connecting Pipe Plate Mounting 406 194 285 925 REMOTE CONTROLLER DMB 1812LH 12000BTU h ...

Страница 5: ...5 Inlet 325 Foot Cabinet Front Cover Service Outlet Outlet 675 Service Valve 872 Cabinet Side Guide Post Panel Top 2 OUTDOOR UNIT DMB 1812LH ...

Страница 6: ...G Copper tubing supplied is available at most dealers or A C shops Make sure the new copper tubing has the same specifications and diameter as the original copper tubing and is as short as possible Note The remainders except for No 2 7 11 are contained in the indoor boxes BASIC ACCESSORIES ON OFF ENTER CANCEL TIMER RESET SWING FAN SPEED MODE SLEEP ON OFF TEMP 1 2 8 6 7 9 3 10 11 12 5 4 No Descript...

Страница 7: ... X 2m PVC Pipe 2 Tape 2TQ1008000 2 PVC 80W X 0 1T X 3 5m 3 Copper Tubing Extension 3100002600 2 1 2 1 4 Copper Tube 4 Insulator Plate 3103301000 2 F US 225 X 120 X 8T 5 Putty 2221040001 2 80g 6 Connection Cord 3102797200 2 3P X 6m 7 Signal Connection Cord 3112704600 3112704700 1 1 5P x 3m White 5P x 3m Red Complete Optional 3100400000 1 Accessories 1 2 3 4 5 6 7 7 ...

Страница 8: ...hen replace the power cord set The specification of AC con nection is 1 5mm 2 X 4PX6m Drain Hose Ground Wire Not Supplied 1 2 side piping Connecting cable Signal Wire 1 4 side piping Drain Hose Wall Wall Cap Drain Hose Pipes Not Supplied AC Connection Not Supplied Wrap with Tape AC Outlet and Plug Copper 12000 BTU h 9000BTU h Tubing At least 30cm 11 8in from unit Maximum Height 7M 21Ft Maximum Len...

Страница 9: ...nough room around the unit for air intake exhaust and possible maintenance 2 Determine if the hole is to be made at the left or right hole location 10 mm 10 mm 150 mm 60 mm 3 Using drill with hole cutting attachment or equivalent cut a hole 65mm 2 56 in diameter The hole should be made at a slight downward slant to the outdoor side Measure the thickness from the inside to outside edges and cut a P...

Страница 10: ... through the front of the unit For easier connection make sure enough wire is pulled through the front Use the wire as shown below INSTALLING THE INDOOR OUTDOOR WIRE TO THE INDOOR UNIT FOR AC CONNECTION The Indoor Outdoor wire is used to supply AC from the Indoor unit to the Outdoor unit To install the indoor outdoor wire follow the procedures below 3 To connect wires loosen the screw in the Termi...

Страница 11: ... used connection cable connected to indoor and outdoor unit must be 1 H07RN F 3G1 5mm2 NOT INCLUDED Housing Terminals on the outdoor unit color of wires color of wires BLACK GRAY BLACK GRAY Brown Yellow Green Brown Yellow Green Blue Blue Terminals Housing Terminals on the indoor unit Terminals Terminals Signal DMB 1812LH Y Y L L 11 DMB 1812LH 9000BTU h ...

Страница 12: ...sen two screws for fixing the Connection Cover Loosen two screws at the Connection Cover Remove the Connection Cover 2 Fish the indoor outdoor wire from the rear of the indoor unit through the front of the unit For easier connection make sure enough wire is pulled through the front Use the wire as shown below Blue Yellow Green Brown The Indoor Outdoor wire is used to supply AC from the Indoor unit...

Страница 13: ...x The used connection cable connected to indoor and outdoor unit must be 1 H07RN F 3G1 5mm2 NOT INCLUDED Housing Terminals on the outdoor unit color of wires color of wires BLACK GRAY BLACK GRAY Brown Yellow Green Brown Yellow Green Blue Blue Y L Y L Terminals Housing Terminals on the indoor unit Terminals Terminals Signal DMB 1812LH 12000BTU h 13 ...

Страница 14: ... go through the hole in the wall Push the indoor outdoor wire copper tub ing and drain hose through the hole in the wall angling downward Situate the indoor unit on the wall bracket by lifting the indoor unit slightly above the wall bracket and then down so it is securely locked in place Wall Bracket Insert Putty Drain Hose CAUTION When using the tube reamer hold the tube downward and make sure no...

Страница 15: ...from the outdoor unit s valves Connect the larger copper tubing to the larger valve on the outdoor unit Connect the smaller copper tubing to the smaller valve on the outdoor unit 5 Perform a leak test on all copper tube connections To prevent heat loss and damage to walls from conden sation the copper tube connections coming from the wall must be insulated Do this by wrapping foam rub ber or equiv...

Страница 16: ...he screw on the wire hold er insert the wires through then tighten the screw NOTES Make sure the Indoor unit s AC cord is not connected to AC power when connecting the indoor outdoor wire When connecting wires make sure they are fully inserted and minimum copper wire is exposed If they are not shorting overheating no operation etc may occur Be sure to comply with local codes on running a wire from...

Страница 17: ...owing figure Connect the Blue wire to L connection Brown wire to the Y connection the Yellow Green wire to the connection The used connection cable connected to indoor and outdoor unit must be 1 H07RN F 3G 1 5mm2 X2 NOT INCLUDED Y L OUTDOOR UNIT Control Panel DMB 1812LH 9K White Signal 12K Red 17 ...

Страница 18: ...the wire hose and tubing outside tape them up as shown below to insulate 1 Apply the putty to any area on the outside hole that air or rain can get into Apply Putty Here Tubing 2 After applying putty insert the wall Cap at Indoor side and Outdoor side Wall Bracket Insert Putty Wall Cap For DS 110R Drain Hose APPLYING PUTTY AND INSERTING WALL CAP After running the wires and tubing outside putty sho...

Страница 19: ... and wide tubes between the indoor and outdoor units has been properly connected and all wiring for the test run has been completed Remove the valve caps from the wide and narrow service valves on the outdoor unit Note that both narrow and wide tube service valves on the out door unit are kept closed at this stage shipping position Leak Test 1 With the service valves on the outdoor unit remaining ...

Страница 20: ...and fasten it securely This process is very important to prevent gas from leaking from the system 5 Replace the valve caps at both wide and narrow service valves and fasten them securely This completes air purging with a vacuum pump The air conditioner is now ready to test run If tubing length is less than 33 ft 10 m 10 min or more If tubing length is longer than 33 ft 10 m 15 min or more Required...

Страница 21: ...alve stem be sure to use a hex wrench PUMP DOWN Pump Down means collecting all refrigerant in the outdoor unit without loss in refrigerant gas This is performed when the unit is to be relocated or the refrigerant circuit is serviced CAUTION Be sure to perform Pump Down procedure with the unit cooling mode Pump Down Procedure execute the pump down of the 12K and 9K respectively 1 Connect a low pres...

Страница 22: ...ise push pin or with vacuum pump Operation Open Open Closed with valve cap with valve cap with cap 2 Pumping down Closed Open Open connected Transfering clockwise counter clockwise manifold gauge 3 Evacuation Open Open Open Servicing with charging cylinder 4 Gas charging Open Open Open Servicing with charging cylinder 5 Pressure check Open Open Open Servicing with charging cylinder 6 Gas releasing...

Страница 23: ...E CONTROLLER Electrostatic Filter removes dust and particles from the air Deodorizing Filter removes bad smells from the air Air Inlet Remote Controller Receiver Signal wire Remote Controller Fan Direction Up Down Air Outlet Antibacterial Filter removes dust and prohibits germs Lamp ...

Страница 24: ...Down Remote Controller Remote Controller Receiver Lamp RE MO TE CO NT RO LLE R Electrostatic Filter removes dust and particles from the air Deodorizing Filter removes bad smells from the air Air Inlet Remote Controller Receiver Signal wire Remote Controller Fan Direction Up Down Air Outlet Antibacterial Filter removes dust and prohibits germs Lamp ...

Страница 25: ...the remote controller is lost or out of order push the emergency button EMR to operate by hand Open the front panel on emergency operating Remocon switch is usually used with remote controller Indoor Unit Display Switch Panel Timer Yellow Lights during the time reservation mode Quick Red ON Red Lights when the operation is going on Air clean Green EMR REMOCON ...

Страница 26: ...o operate by hand Open the front panel on emergency operating Remocon switch is usually used with remote controller Indoor Unit Display Switch Panel Timer Yellow Lights on during the time of reservation mode Quick Red Lights on during the time of Quick Mode ON Red Lights on during the operation Air clean Green Lights on during the operation ON AIR CLEAN QUICK TIMER EMERGENCY REMOTE EMERGENCY REMOT...

Страница 27: ... Connection Cover Remove cover to access the AC connection to the indoor unit Service Valves The indoor and outdoor units are connected by copper tubes which are connected here AIR IN AIR OUT Outdoor Unit ...

Страница 28: ...ress to cycle through the modes Auto Quick Cooling Fan Dry SLEEP Button Press to set the unit for the sleep mode FAN DIR FAN DIR Button Press to select up down direction for fan ON OFF Button Press to turn the unit on or off TEMPERATURE Buttons Press to raise or lower the desired temperature FAN SPEED Button Press to select the fan speed High Middle Low COVER Slide down to access most of the remot...

Страница 29: ... NT RO LL ER MODE Indicators Auto Quick Cool Fan Dehumidifier Heat Lights to indicate the mode selected TIMER Indicators Include sleep Lights to indicate the timer function mode TEMPERATURE RESERVATION TIME lndicator Lights to indicate the temperature or time FAN DIRECTION Indicators Lights to indicate the fan direction NATURAL Indicator Lights to indicate the speeds simulating a breeze FAN Indica...

Страница 30: ...Unit Display receive the signal of Remote Controller you can hear the signal beep or beep beep 1 In the case of receiving ON OFF signal beep beep 2 And so on beep OFF Timer 4 DESCRIPTION OF FUNCTIONS Unit ON Unit OFF SET Time HOUR ON OFF ON Timer Unit ON Unit OFF SET Time HOUR ON OFF Control of Room Temperature Buzzer COMP ON RT ROOM TEMPERATURE DT DESIRED TEMPERATURE COMP OFF 1 C 0 C COOLING RT D...

Страница 31: ... legned X no relation 4 Automatic Operation If the unit is set in AUTO mode the unit operates automatically according to the room temperature to keep the room temperature comfortable 0 C L M H 1 C 2 C R T D T D T 0 C L M H 1 C 2 C DT RT COOLING HEATING FAN ONLY COOL DEHUMI AUTO QUICK HEAT DIFICATION H H H L H H H M M M L M H M L L L L L H L Auto Auto L Auto H Auto Natural Natural Natural L Natural...

Страница 32: ...erature is lower than 0 C at the end of 10 minutes of continuous compressor operation from the start the microcomputer of the unit stops the compressor to protect the unit from the frost The control procedure for indoor coil freeze protection 1 The compressor and outdoor fan turn off 2 Indoor fan operates according to user set speed 3 The normal operation returns when the indoor coil temperature i...

Страница 33: ...e minutes between turn off and turning back on including initial power up RT Room temperature 1 When the remote controller is lost damaged or the battery is discharged the Emergency operation can be used to run the unit 2 The setting conditions of Emergency operation are as follows Operation mode Quick Preset temperature 18 C Cooling 32 C Heating Fan speed High You cannot operate with remote contr...

Страница 34: ...3Set temperature 18 C Fixed 4Compressor and Outdoor Fan The air discharge direction procedure is below Fixed Up Down Up Down Fixed The option is LEFT RIGHT direction Dehumidification Mode Air Discharge Direction only remocon operation Quick Mode Powerful Cooling Heating The air discharge direction procedure is below Fixed Up Down Fixed Up Down 1Desired temperature Room temperature Outdoor Fan Comp...

Страница 35: ... D sensor open or short Do not working Compressor or electrical parts Show only Emergency mode but of compressor error continuously working Gas leak Communication error between Connection check and restart I D U and O D U 4 Way Valve or electrical parts of Show only Energency mode but 4 Way valve continuously working Operation mode is different from the other unit 0 2S 1S ON Airclean LAMP TIMER LA...

Страница 36: ...36 5 WIRING DIAGRAM ...

Страница 37: ...400mm 1 Terminal Block 3108912300 SN DBW 03P 1 Compressor 3107120010 SHW 33TC4 U 1 Fan Motor 3108007400 OSME986DERC 1 Dual Capacitor 3109507100 5 50ßfi 400VAC 1 Terminal Block 3108912300 SN DBW 03P 1 Reversing Valve 3105400310 CHV 0201 1 Solenoid Coil 3109700120 CHV 01AJ502D1 1 Tranceformer 5EPK560120 WIF 5401FN 1 As Solenoid Valve 3115400900 WHITE 1 As Solenoid Valve 3115401000 BLUE 1 As Solenoid...

Страница 38: ...dd 30g of refrigerant per extra meter Contents Model Name Capillary Tube Cool Heat Charge Quantity DMB 1812LH 9K IDØ1 6 x L750 IDØ1 8 x L350 1700 g DMB 1812LH 12K IDØ1 6 x L350 IDØ2 0 x L350 1700 g DMB 1812LH 9K 12K IDØ1 6 x L750 IDØ1 6 x L350 IDØ1 8 x L350 IDØ2 0 x L350 1700 g ...

Страница 39: ... Indoor coil temp Air clean lamp Quick lamp Remote Emergency Operation Signal receiver Timer lamp A D converter lnitialization Clock generation DC power supply Circuit for TRIAC control DC 12V Circuit for signal receiver MICRO CONTROLLER Beeper circuit for motor driving Stepping motor Temp Setting ON OFF SLEEP REMOCON STEPPING MOTOR ON OFF DC5V INDOOR PART ...

Страница 40: ...D sensor TRANS Former Micro Controller A D Converter Communication Relay Out put Driver RL 1 Comp FAN 4W SV E SV A SV B SV C SV D SV F RL 2 RL 3 RL 4 RL 5 RL 6 RL 7 RL 8 RL 9 DC POWER 12V 5V DC 12V AC 220V OUT DOOR PART ...

Страница 41: ...ck press the power ON OFF button on remote controller Does the beeper beep two times Is the display all off Check the connector on display PCB connected to control PCB Check the display PCB itself Check power supply mains or interconnection wires Check the wiring of indoor Is the switch position on switch pannel at Remote Does control PCB status LED repeat one second on and off control PCB fault M...

Страница 42: ...s time guard for compressor operated Self Diagnostic Function Error CODE Display Check point 1 ON Air clean LAMP I D Sensor Registance check 1 time blink I D Sensor Connection check 2 Timer LAMP O D Sensor Registance check 1 time blink O D Sensor Connection check 3 ON Air clean LAMP Compressor and its electrical parts check 2 times blink Leakage check I D Sensor assembly check 4 Timer LAMP Communi...

Страница 43: ...ot run The power is applied to the unit Check the voltge between and of terminal block Y L Check the Breaker or Fuse Self Diagnostic function is ON Check according to self Diagnostic function Control P C B defect Check the indoor unit display is the display all off Press the ON OFF switch of Remote Control Is the indoor unit display all off Pull out the power plug and then insert the power plug af...

Страница 44: ...ck the fan motor capacitor Check the connecting wire of indoor fan motor Run again Check the starting of indoor fan motor Run again Check the Fan Motor bearing and fan Check the power P C B The circuit for triac control Change of fan motor Normal NO Rating voltage under 90 Open or short No YES Rating Voltage more than 90 Normal Outdoor Unit Runs but Indoor Fan Does Not Run ...

Страница 45: ... compressor 3 During frost prevention of lndoor unit 4 During dehumidifier mode Outdoor Fan and Compressor Do Not Run Check the voltge between and of indoor unit terminal Y L Check the voltge between and of outdoor unit terminal Y L Check compressor outdoor fan motor individually Check the connecting wire Check the wiring and voltage within doors Rating voltage under 90 Rating voltage under 90 ...

Страница 46: ...ck the compressor Check the winding resistance Check the compressor capacitor Check the connecting wire between indoor and outdoor Change the control P C B Change the compressor Check the control P C B the circuit for relay driving Rating voltage less than 90 NG Open or Short Rating voltage less than 90 Rating voltage more than 90 Rating voltage more than 90 OK Only Compressor Does not Run ...

Страница 47: ...PCBDRIVINGDESCRIPTION ...

Страница 48: ...1 PCB CIRCUIT DIAGRAM DMB 1812LH Outdoor ...

Страница 49: ......

Страница 50: ...DMB 1812LH 12K ...

Страница 51: ......

Страница 52: ...DMB 1812LH 9K ...

Страница 53: ......

Страница 54: ...R 1 4W 10KJ RD 4K103J 5 R3 7 8 15 16 RESISTOR 1 4W 5 6KJ RD 4K562J 1 R1 RESISTOR 1 4W 1KJ RD 4K102J 8 R2 4 5 6 9 10 11 12 RESISTOR 1 4W 330J RD 4K331J 1 R13 RESISTOR ARRAY 5A 103J RA8K4103J 1 RA1 RESISTOR ARRAY 6A 103J RA8K5103J 1 RA2 FUSE 250V 50T 3 15A 5FVLB3152L 1 FUSE FUSE CLIP AFC 520 3107000600 2 FUSE CLIP VARISTOR 15G561K D15G561K 1 VAR C LINE ACROSS 275V 104K CLV B3104M 1 CL1 HEAT SHINK 33...

Страница 55: ... 330J RD 4K331J 2 2 R7 8 RESISTOR 1 2W 1KJ RD 2K102J 1 1 R2 RESISTOR 1 4W 15 0KF RN 4K1502F 1 R27 RESISTOR 1 4W 24 9KF RN 4K2492F 1 R28 RESISTOR 1 4W 12 4KF RN 4K1242F 1 R29 RESISTOR 1 4W 3 24KF RN 4K3241F 1 R30 RESISTOR 1 4W 28 0KF RN 4K2802F 2 R27 28 RESISTOR 1 4W 2 87KF RN 4K2871F 2 R29 30 RESISTOR 1 4W 24 3KF RN 4K2432F 1 1 R31 RESISTOR 1W 120J RS01F121J 1 1 R11 RESISTOR ARRAY 6A 103J RA8K5103...

Страница 56: ... Buzzer Driving Swing Sweep Motor And it is regulated 5V DC by Regulator IC7805 Zero cross Communication line 12V GND CN4 O D U I D U Oscillator 2 19 OSC 8M 20 VDD 10 VSS 10 Fig 2 1 DESCRIPTION Oscillatory Frequency drive Micom it is made up 8MHz resonator oscillatory Freqency Ocillatory wave is as following Fig 2 1 ...

Страница 57: ...ange of Thermister Resistance Micom is put in 5V by ratio between R9 12 7KΩ and R10 12 7KΩ Relation between temperature and voltage is following Table 3 1 CC3 4 is Noise filter Temperature C No 1 No 3 5 1 127 1 127 0 1 378 1 378 5 1 650 1 650 10 1 936 1 936 15 2 228 2 228 Voltage V Table 3 1 Sensor 3 I D SENSOR ROOM SENSOR R7 R6 330 330 CC3 103 103 CC4 24 25 MICOM CN9 R9 12 7KF R10 12 7KF ...

Страница 58: ... Triac is detected Zero Cross Part of AC input and it is triggered from Zero Cross part to Time delay part according to Fan Speed Ref Fig 4 1 SN1 is Snubber N L AC 220V TO MOTOR T1 SM3JZ47 L1 1 2 130µH 3A SN1 0 1µF 120Ohm TLP561 PT1 12V R2 TRI C102M 1K 1 2W MICOM 13 AC220V TRIGGER MOTOR INPUT LOW SPEED MEDIUM SPEED HIGH SPEED Fig 4 1 LOW SPEED MEDIUM SPEED HIGH SPEED ...

Страница 59: ...USTOM CODE DATA CODE CHECK SUM TAILER 9ms 4 5ms 16bit 16bit 24bit 8bit Fig 5 1 Fig 5 2 BIT STRUCTURE Remote Controller 5 0 56ms 0 56ms 1 69ms 1 12ms 2 25ms bit 0 bit 1 Selecting Mode 6 SELECT S W INPUT OUTPUT MICOM 14 R5 1K 10K R4 5V CC7 103 P2 MODE SELECT PUSH S W DESCRIPTION There are Mode according to SW position as following Table 6 1 According as port of fixed Micom is Low the unit is operati...

Страница 60: ...57 DESCRIPTION MICOM Power is supplied 5V at Number 42 using VDD Number 19 20 Using Oscillator Micom Power Supply 7 VDD 42 CE4 10µF 16V CC9 104 5V 22 21 19 OSC 8MHz 20 VSS MICOM ...

Страница 61: ...Micom Terminal of Number 18 and then Micom reset Reset IC detect Power ON and Voltage less than 4 25V and then send Reset Signal Reset 8 R3 5 6K 1K R13 18 CC6 CE3 4 7uF 50V IC3 7042P 10 3 MICOM 4 25V H L t t POWER ON Vcc 5V DELAY TIME FOR POWER ON RESET ...

Страница 62: ...ected by internal Micom This unit is setting at 4KHz VCC 12V MICOM 35 R6 1K BZ1 Buzzer Driving 10 DESCRIPTION Indoor Fan Motor RPM is set by each registance R27 R28 R29 R30 R31 30 29 28 27 26 1K 1K 1K 1K 1K R26 R25 R24 R23 R28 R29 R30 R31 R22 MICOM CA1 F5 104Z RA1 R27 heat low heat high cool low cool high monitoring 6A 103J I D FAN RPM SETTING ...

Страница 63: ...r TR1 is used to put in the Micom Detail Driving is as following Fig 11 1 R19 is Resistance to limit current MICOM R36 5 6K 1 2 CC12 103 TR7 KRC120M 1 2 1 2 3 2 1 R33 10K R32 1K VCC CN4 31 DETECT POINT H The Number 31 of Micom terminal AC18V L Fig 11 1 Zero Crossing Detect 11 ...

Страница 64: ...d it is used 4 face Drive Method It is driving as following Fig 12 1 Ring Count Method of 8 Status Ø 4 Ø 3 Ø 2 Ø 1 B 6 5 4 3 2 1 12V IC4 KID65004 CN9 1 MICOM 2 3 4 M1 FOR SWING Ø 4 Ø 3 Ø 2 Ø 1 Fig 12 1 Normal Rotating Reversed Rotating Stepping Motor Driving 12 CN9 IC4 ...

Страница 65: ...62 DESCRIPTION Each 2 ports 34 32 are using communication between I D U and O D U 34 Micom 32 CC11 103 R35 1K TR5 C102M R34 10K R19 10K CN4 A1270 TR6 Communication circuit 13 ...

Страница 66: ...or IC7805 AC 220V CL1 275V 104K VAR FUSE1 3 15A POWER TRANS D2 CC1 CE1 D3 D1 D4 104 35V 2200µF IC2 7812 VI VO G IC3 7805 VI VO G 25V 470µF CC2 CC3 CE3 CE2 104 16V 100µF 104 12V 5V Oscillator 2 1 OSC 8M 2 VDD 10 VSS 10 Fig 2 1 DESCRIPTION Oscillatory Frequency drive Micom it is made up 8MHz resonator oscillatory Freqency Ocillatory wave is as following Fig 2 1 OUTDOOR CONTROL PCB ASS Y ...

Страница 67: ...r temperature is sensing by change of Thermister Resistance Micom is put in 5V by ratio between R14 12 7KΩ Relation between temperature and voltage is following Table 3 1 CC7 is Noise filter Temperature C No 1 No 3 5 1 127 1 127 0 1 378 1 378 5 1 650 1 650 10 1 936 1 936 15 2 228 2 228 Voltage V Sensor 3 O D SENSOR CN13 330 R13 R14 12 7kF CC7 103 13 MICOM ...

Страница 68: ... 12 R4 1K R3 10K 5V CC10 103 P2 Install S W DESCRIPTION There are Mode according to SW position as following Table 6 1 According as port of fixed Micom is Low the unit is operating as following Table 6 1 Table 6 1 POSITION MODE OPEN Normal GND Install ...

Страница 69: ...66 DESCRIPTION MICOM Power is supplied 5V at Number 28 using VDD Number 1 2 Using Oscillator Micom Power Supply 5 VDD 42 CE4 10µF 16V CC9 104 5V 22 21 19 OSC 8MHz 20 VSS MICOM 1 2 VDD 28 ...

Страница 70: ...n Micom Terminal of Number 3 and then Micom reset Reset IC detect Power ON and Voltage less than 4 25V and then send Reset Signal Reset 6 R1 5 6K 1K R2 3 CC4 CE3 4 7uF 50V IC4 7042P 103 MICOM 4 25V H L t t POWER ON Vcc 5V DELAY TIME FOR POWER ON RESET ...

Страница 71: ...0K R10 1K R9 1K R7 10K TR2 A1270 TR1 A1270 R8 10K TR4 102 IC1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 DESCRIPTION Relay is controlled by Drive ICS IC5 IC6 Relay Control Circuit 8 28 IC1 16 RL 1 RL 2 RL 3 RL 9 RL 4 RL 5 RL 6 RL 7 RL 8 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 27 26 25 24 23 22 21 20 19 18 17 16 15 16 CC8 104 IC6 65004 IC6 65004 CC9 104 15 14 13 12 11 10 9 1 2 3 4 5 6 7 8 ...

Страница 72: ...n Check the Following BATTERY SPRING MICOM PCB LCD Is Display at the beginning ON Is Display at the beginning ON Is it normal Is it normal Is it normal 2 REMOTE CONTROLLER ASSMBLY FUNCTIONAL TEST METHOD 69 ERROR No ERROR No Whenever you selectted Temp Button it is changed by 1C 21 32C Select TEMP Button Select ON OFF button Is display at the begining ON Is it normal ...

Страница 73: ...L Button Select ON OFF Button Select OFF Timer Button Select SLEEP Button Select SLEEP Button TEST OK Is LCD display OFF Is it normal display TIMER Is all display OFF Is it normal SLEEP MODE Display ON Is display at the beginning ON ERROR No ERROR No ERROR No ERROR No ERROR No ERROR No ...

Страница 74: ...K P75 SO P74 SI P73 SCK P72 PDO PWM P71 INT4 P70 INT3 TC3 P07 P06 P05 P04 P03 P02 P01 P00 TEST RESET XIN XOUT VASS VSS 42 41 40 39 38 37 36 35 34 33 32 31 30 29 28 27 26 25 24 23 22 Steppping Motor Driving Buzzer Driving Communication out Remocon Input Communication input Zero crossing detect Test S W Input Indoor fan motor RPM set Temperature Sensor Input LED Driving Indoor unit Motor driving Eme...

Страница 75: ...81 T2 R80 INT2 R63 R62 R61 R60 R53 AIN7 XOUT XIN RESET R70 R71 PULSE R72 VAREF R40 AINO R41 AIN1 R42 AIN2 R43 AIN3 R50 AIN4 R51 AIN5 R52 AIN6 VSS 28 27 26 25 24 23 22 21 20 19 18 17 16 15 Reset circuit Communication circuit Install S W Temperature sensor input Relay control output Oscillation Relay control output ...

Страница 76: ...ODES COMMON 10 5KΩ 7 2KΩ 3KΩ OUTPUT GND INPUT 100K 500 100 100 0 3 10K 6K 500 1K 5K 28K 6K 30pF 2K 5K 200 240 1 4 K 2 7 K 3 3 K 0 19K INPUT OUTPUT GND SCHEMATIC DIAGRAM 1 2 3 Fin 2 is ground for Cose 221A Case is ground for Case 1 10K INPUT GND 10K 300 36K 64K 520 26K 60K 29K 20K 20K 40 pF 50K 50 200 300 200 100 16K 210 012 OUTPUT Top View Pin 1 INPUT 2 GROUND 3 OUTPUT Pin 1 INPUT 2 GROUND 3 OUTPU...

Страница 77: ...74 6 U9 KIA7042P RESET IC KIA70 42P OUTLINE INPUT GROUND OUTPUT VCC 1 3 2 OUT GND ...

Страница 78: ...connection at the Control PCB 4 Remove the select switch from connection at the Control PCB 5 Loosen the screw fixed at ground wire 6 Remove the Control Box 4 Removing the Drain Pan Fig 4 1 Disconnect the Body drain hole left and right Body 2 Disconnect three hook and remove the Drain Pan 5 Removing the Indoor Evaporator Fig 5 6 1 Remove the screw fixed at the indoor Evaporator of the Body 2 Remov...

Страница 79: ...rom connection at the Control PCB 4 Remove the select switch from connection at the Control PCB 5 Loosen the screw fixed at the ground wire 6 Remove the Control Box 4 Removing the Drain Pan Fig 4 1 Disconnect the Body drain hole left and right Body 2 Disconnect three hooks and remove the Drain Pan 5 Removing the Indoor Evaporator Fig 5 6 1 Remove three screws fixed at the indoor Evaporator of the ...

Страница 80: ...n the screw fixed at the motor bracket 2Remove the Plain Washer 3Remove the Propeller Fan 4 Temove the panel control Fig 4 1Disconnect the wire at the control panel 2Loosen the screw at the panel control 3Remove the parts on the panel control 5 Remove the partition panel Fig 5 1Loosen four screws at the bracket motor 2Disconnect the wire at the control panel 6 Removing the Over load Protector Fig ...

Страница 81: ...78 3 EXPLODED DIAGRAM Indoor Unit DMB 1812LH 9K ...

Страница 82: ... ASS Y 1 19 5 3108912310 TERMINAL BLOCK 1 SN DBW 05P 19 6 3104896300 SENSOR ID ASS Y 1 PTM KD 43C D2 19 7 3102797910 HARNESS 1 I D EARTH 19 8 31013A24B1 POWER CORD ASS Y 1 16A 250V 19 9 7111301611 SCREW TAPPING 2 T1S PAN 3x16 MFZN 20 3100400400 BODY TOP 1 HIPS T2 0 21 3102200800 FRAME GRILLE 1 HIPS T2 5 22 3104508700 PLATE LED 1 PC SHEET T0 2 23 3104510200 PLATE SWITCH 1 PC SHEET T0 2 24 310140460...

Страница 83: ...80 DMB 1812LH 12K ...

Страница 84: ...NG R 1 POM 13 3107600300 FLAP 1 ABS 14 3108000100 MOTOR STEPPING 1 MG28GA 15 3100038210 CONTROL BOX ASS Y 1 BUYER 15 1 3100503101 BOX CONTROL 1 P P G F30 15 2 5EPV050100 TRANS FORMER 1 DWA220A 50 60Hz 15 3 3106900300 CAPACITOR SH M B 1 1 0µF 400VAC 15 4 3100054400 CONTROL PCB ASS Y 1 15 5 3100054200 LED PCB ASS Y 1 15 6 3108912301 TERMINAL BLOCK 1 SN DBW 05P 15 7 3104896300 SENSOR I D ASS Y 1 PTM ...

Страница 85: ...20 3100900900 CAP FRAME C 1 ABS 21 3100900800 CAP FRAME R 1 ABS 22 3101401701 COVER TER BLOCK 1 ABS 23 3100017800 FILTER ELECTRO ASS Y 1 24 3100017900 FILTER CARBON ASS Y 1 25 3100017700 FILTER PRE ASS Y 2 26 REMOCON ASS Y 1 BUYER 27 3102401500 INSERT GRILLE 1 ABS 28 3107500200 EMBLEM 1 URETANE BUYER 29 3100602400 BRACKET PIPE 1 HIPS 30 3101201200 CLAMP BRACKET PIPE 1 HIPS 31 3104503900 PLATE MOUN...

Страница 86: ...83 4 EXPLODED DIAGRAM Outdoor Unit DMB 1812LH ...

Страница 87: ...1 17 1 3110023800 ODU CONTROL PCB Ass y 1 17 2 3104201602 PANEL CONTROL 1 SGCC T0 8 M Z22 17 3 3108912300 TERMINAL BLOCK 1 SN DBW 03P 17 4 3109507100 CAPACITOR DUAL 1 5 50ßfi 400VAC 17 5 3101202300 CLAMP CAPACITOR 1 SGCC T1 0 M Z22 17 6 310P9Y00UA SUPPORT PCB 4 DASS 13N 17 7 3101201800 CLAMP TIE 3 DACT 140 18 3100801010 CABINET SIDE 1 SECC T0 8 19 3110600500 BRACKET SERVICE 1 SECC T1 6 20 31154002...

Страница 88: ...85 5 CONTROL BOX ASSEMBLY DMB 1812LH 9K ...

Страница 89: ...104896300 SENSOR ID ASS Y 1 PTM KD43C D2 6 3102704500 LED PCB 1 7 3112704600 LED PCB 1 ID Signal 9K 8 3102797910 HARNESS 1 I D EARTH 9 3112703600 HARNESS 1 ID POWER Caution In this Service Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service information Center ht...

Страница 90: ...87 DMB 1812LH 12K ...

Страница 91: ...900300 CAPACITOR SH M B 1 1 0µF 400VAC H1 3102703400 HARNESS LED PCB 1 H2 3112703500 HARNESS MODE SELECT 1 H3 3102797910 HARNESS I D EARTH 1 S 3104896300 SENSOR ID ASS Y 1 PTM KD 43C D2 8 3112704700 HARNESS ID SIGNAL 12K 1 6M Option 8m 12m Caution In this Service Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts inform...

Страница 92: ...89 DMB 1812LH Outdoor ...

Страница 93: ...R 7 3112704100 HARNESS 1 RELAY 8 3112704000 HARNESS 1 OD EARTH 9 3112703900 HARNESS 1 COM 10 3112703700 HARNESS 1 INSTALL S W 11 3112705200 HARNESS 1 COMP 12 3112704200 HARNESS 1 OD SIGNAL 9K 13 3112704300 HARNESS 1 OD SIGNAL 12K Caution In this Service Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information plea...

Страница 94: ...CS CO LTD 686 AHYEON DONG MAPOGU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 82 2 364 5588 TEL 82 2 360 7114 8114 http www dwe daewoo co kr S M NO 3113902200 PRINTED DATE APR 2001 ...

Страница 95: ...CTRONICS CO LTD S M No 3113902200 Caution In this Manual some parts can be changed for improving their performance without notice in the parts list So if you need the latest parts information please refer to PPL Parts Price List in Service Information Center http svc dwe co kr ...

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