ICP HMC030KD1 Service Manual Download Page 9

Page: 9 / 64

- 9 -

Refrigeration Cycle Diagram

INDOOR UNIT

OUTDOOR UNIT

INDOOR UNIT

OUTDOOR UNIT

HEAT
EXCHANGER
(EVAPORATOR)

HEAT
EXCHANGER
(CONDENSER)

COMPRESSOR

ACCUMU
LATOR

Suction Line

3-WAY VALVE

Evaporator Line

3-WAY VALVE

CAPILLARY TUBE

CHECK VALVE

(Heating Model only)

COOLING

HEATING

REVERSING
VALVE
(Heating Model Only)

(1) Cooling Only Models

(2) Cooling & Heating Models

Summary of Contents for HMC030KD1

Page 1: ...HIGH WALL MINI SPLIT SERVICE MANUAL MODEL HMC030KD1 HMH030KD1 CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL ONLY FOR AUTHORIZED SERVICE PERSONNEL International Comfort P...

Page 2: ...Diagram 11 Operation Details 13 Display Function 20 Self diagnosis Function 20 Installation 21 Operation 37 Disassembly of the parts Indoor Unit 39 3 way Valve 43 Cycle Troubleshooting Guide 48 Elect...

Page 3: ...rox 3 minutes High Med Low and Auto Intermittent operation of fan at low speed Both the indoor and outdoor fan stops during defrosting Hot start will be operated after defrosting ends The indoor fan s...

Page 4: ...MPERATURE LOW HIGH Cooling Operation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode Horizontal Airflow Direction Control Button Option Room Temperature Display Setting the Time or...

Page 5: ...low Direction Control up down Auto Airflow Direction Control left right Manual Remocon Type Wireless LCD Setting Temperature Range Cooling Mode 64 86 F Temperature Increment 2 F Auto Operation electro...

Page 6: ...trol left right Manual Remocon Type Wireless LCD Setting Temperature Range Cooling Mode 64 86 F Heating Mode 60 86 F Temperature Increment 2 F Auto Operation electronic control Yes Self Diagnosis Yes...

Page 7: ...1 Indoor Unit 7 Dimensions W H Tubing hole cover Tubing hole cover Installation plate D W mm inch 1 259 49 6 H mm inch 349 13 7 D mm inch 205 8 1 Model Dimension 30K SERIES...

Page 8: ...in ch 870 34 3 H mm in ch 800 31 5 D mm in ch 320 12 6 L1 mm in ch 370 14 6 L2 mm in ch 340 13 4 L3 mm in ch 25 1 0 L4 mm in ch 775 30 5 L5 mm in ch 25 1 0 L6 mm in ch 546 21 5 L7 mm in ch 162 6 4 L8...

Page 9: ...TOR HEAT EXCHANGER CONDENSER HEAT EXCHANGER CONDENSER COMPRESSOR COMPRESSOR ACCUMU LATOR Suction Line Suction Line 3 WAY VALVE Evaporator Line Evaporator Line 3 WAY VALVE CAPILLARY TUBE CAPILLARY TUBE...

Page 10: ...rap should be installed per 5 7 meters 16 4 23 0ft CAUTION Outdoor unit Indoor unit A B A Oil trap Outdoor unit Indoor unit B In case more than 5m 16 4ft 30k 5 8 3 8 7 5 25 15 50 30 100 30 0 32 50Hz 6...

Page 11: ...TART FORCED OPERATION CN DISP CN L R CN U D CN TH THERMISTOR STEP MOTOR UP DOWN STEP MOTOR L R H V B ASM LIMITS S W Negative ion OPTION STEP MOTOR L R CN L R DISPLAY PCB ASM 3854A20065A TO OUTDOOR UNI...

Page 12: ...B CAPACITOR A C C S S R R Comp A 5 RD BL BR BK YL YL BR BL BK RD RD BL BK BK BK OR OR GN YL BL BR FUSE 250V 5A FUSE 250V 5A FUSE 250V 3A CN POWER CN FAN CN CON CN COMP H H C C F CN LEV CN TH2 PIPE IN...

Page 13: ...matically operates with the Chaos Swing or they are fixed to the desired direction While in Chaos Swing mode the angles of cooling and heating cycle operations are different Operation Details INTAKE A...

Page 14: ...AIR TEMP SETTING TEMP 1 F Compressor OFF SETTING TEMP 1 F Compressor ON COMPRESSOR ON OFF ON OFF INDOOR FAN SPEED The electronic control operation Intake air Temperature Setting Temperature Over 78 F...

Page 15: ...on for Heating only Heating Model Compressor ON temperature Setting temperature Compressor OFF temperature Setting temperature 6 F Intake air temp below 68 F Over 68 F below 70 F over 86 F Setting tem...

Page 16: ...Intake Air Temp 1 C 18 C Intake Intake Air Temp 24 C Intake Air Temp 0 5 C Intake Air Temp 18 C 18 C While in compressor off the indoor fan repeats low airflow speed and pause While the intake air tem...

Page 17: ...temperature is higher than 95 F indoor fan operates at low speed When the indoor pipe temperature becomes lower than 95 F indoor fan stops B point When the indoor pipe temperature is higher than 38 C...

Page 18: ...6 7 hours Heating Mode with the Sleep Mode only Heating Model The operation will be stopped after 1 2 3 4 5 6 7 hours INTAKE AIR TEMP SETTING TEMP 1 F Compressor ON SETTING TEMP 1 F Compressor OFF 30...

Page 19: ...on is the function to operate procedures automatically to the pre vious operating conditions If you want to use this operation The autorestart button is on the main unit of the appliance in the standa...

Page 20: ...Restart Mode Lights up during if Restart Button is pressed Auto Restart Button In failure of electric power if the button is pressed the unit runs as previous setting operation when power returns For...

Page 21: ...m the air con ditioner do not disturb neighbors Rooftop Installations If the outdoor unit is installed on a roof structure be sure to level the unit Ensure the roof structure and anchoring method are...

Page 22: ...rtant to use caution concerning the location of the installation plate routing of the wiring to power outlets is through the walls typically Drilling the hole through the wall for piping con nections...

Page 23: ...attached to indoor and outdoor unit then put them on pipe tube having complet ed burr removal not possible to put them on after flaring work Copper pipe 90 Slanted Uneven Rough Bar Copper pipe Clamp h...

Page 24: ...o drop 1 Route the indoor tubing and the drain hose in the direction of rear left 2 Insert the connecting cable into the indoor unit from the outdoor unit through the piping hole Do not connect the ca...

Page 25: ...tion plate Engage the three hooks of the rear top and rear lower of the indoor unit with the upper edge and lower edge of the installation plate Ensure that the hooks are properly seated on the instal...

Page 26: ...ec tion 1 Route the indoor tubing and the drain hose to the required piping hole position 2 Insert the piping drain hose and the connecting cable into the piping hole 3 Insert the connecting cable int...

Page 27: ...pe 7 Wrap the insulation material around the connecting portion Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind them together with vinyl tape so that...

Page 28: ...ngs and the drain hose across the back of the chassis 9 Reinstall the parts to the original position Refix the lower panel to the original position Connect display conductor Refix the front right side...

Page 29: ...Be sure the rubber the cap is securely fastened so that there is no leakage 4 Connection of piping Outdoor 1 Align the center of the pipings and sufficiently tighten the flare nut by hand 2 Finally t...

Page 30: ...Wires 3 L1 2 L2 1 L1 5 G Y RED BLUE BROWN G Y CAUTION 8 5mm 0 33in 20mm 0 79in GN YL AWG 12 20mm 0 79in GN YL AWG 20 The power supply cord connected to the outdoor unit should be complied with the fol...

Page 31: ...ng of electrical fittings are liable to come loose from vibrations to which the unit is subjected during the course of transportation Check them and make sure that they are all tightly fastened If the...

Page 32: ...re the water flows through the drain hose of the indoor unit without any leakage and goes out the drain exit 5 Drain piping The drain hose should point downward for easy drain flow Do not make drain p...

Page 33: ...cable from down to up Secure the tapped piping along the exterior wall using saddle or equivalent 3 In cases where the Outdoor unit is installed above the Indoor unit perform the following Tape the p...

Page 34: ...auges and dry nitrogen gas cylinder to this service port with charge hoses Pressurize the system to no more than 150 P S I G with dry nitrogen gas and close the cylinder valve when the gauge reading r...

Page 35: ...an adjustable wrench This process is very important to prevent leakage from the system Replace the valve caps at both gas and liquid side service valves and fasten them tight This completes air purgin...

Page 36: ...and charge should be removed If the actual pres sure are lower than shown the system is most likely undercharged and charge should be added The air conditioner is now ready for use Bolt Tubing connec...

Page 37: ...mer when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooli...

Page 38: ...when the desired time is obtained and to cancel the Timer operation SLEEP MODE AUTO BUTTON Used to set Sleep Mode Auto operation AIR CIRCULATION BUTTON Used to circulate the room air without cooling o...

Page 39: ...he 2 screws of right side panel Remove the front right side panel by the arrow The connector can be disconnected by pulling it while pressing the connector s hook Remove the 1 screw for fixing low pan...

Page 40: ...lle pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 2 To remove the sensor housing connector earth conductor and step motor conductor with senso...

Page 41: ...ownward slightly unhook the discharge grille Pull the discharge grille out from the chassis carefully 5 To remove the Evaporator Remove 3 screws securing the evaporator at the left 2EA at the right 1E...

Page 42: ...t remove Loosen the screw securing the mount motor Separate the fan motor from the cross flow fan Take care not to drop the motor 7 To remove the Cross Flow Fan Loosen the screw securing the holder be...

Page 43: ...ow pressure valve on the charge set slightly to air purge from the charge hose 5 Set the liquid side valve to the closed position 6 Operate the air conditioner in cooling mode and stop it when the gau...

Page 44: ...re nut on liquid side valve 4 Check for gas leakage Check the flare connections for gas leakage 5 Discharge the refrigerant Close the valve on the gas cylinder and dis charge the refrigerant until the...

Page 45: ...scharge the refrigerant until the gauge indi cates 0 kg cm2 G If there is no air in the refrigerant cycle the pressure when the air conditioner is not running is higher than 1 kg cm2 G discharge the r...

Page 46: ...f 4 mmHg or less 3 Close the valve Lo side on the charge set turn off the vacuum pump and confirm that the gauge needle does not move approxima tely 5 minutes after turning off the vacuum pump 4 Disco...

Page 47: ...ely 150g each time while operating the air conditioner in the cooling cycle however one time is not suffi cient wait approximately 1 minute and then repeat the procedure pumping down pin 4 Immediately...

Page 48: ...ds on room air humidity When the room air humidity is relativery higher temperature difference is smaller When the room air humidity is relatively lower tem perature difference is larger 2 Check tempe...

Page 49: ...CN MOTOR Connector contacting of Outdoor Fan Compressor Display PWB Ass y Check Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting condition of related connector PCB Bo...

Page 50: ...sor stopped Indoor Fan is driven by a low speed At this point the wind speed is not controlled by the remote controller When operated in the Sleeping Mode the wind speed is set to the low speed by for...

Page 51: ...No 3 4 Indoor unit Check the related circuit of R04H 6 2K Micom No 3 Output unit Check the indoor temperature sensor is disconnected or not About 10k at 25 C Turn off Main Power Check the electrical w...

Page 52: ...it of indoor Fan Motor The pin NO 63 of Micom and the part for driving TRIAC the input and output signal of IC01M PIN NO 2 15 Check the pattern Check the TRIAC TRIAC Open Indoor Fan Motor never operat...

Page 53: ...hen rotating the Vertical Louver with hands Normal Check the connecting condition of CN U D Connector Check the soldering condition on PWB of STEP U D Connector If there are no problems after above ch...

Page 54: ...N DC5V About DC12V AC 208 230V COMP OFF DC0V DC0V Below AC10V CHECK POINT Between Micom No 13 and GND Between RY 4WAY No 1 and No 4 Between CN 4WAY and CN POWER 2 N COMP ON DC5V About DC12V AC 208 230...

Page 55: ...55 Electronic Control Device 1 INDOOR UNIT P W B ASSEMBLY P No 6871A10153 PCB ASSEMBLY MAIN...

Page 56: ...56 TOP VIEW BOTTOM VIEW 2 OUTDOOR UNIT P W B ASSEMBLY...

Page 57: ...57 3 DISPLAY P W B ASM Model HMC030KD1 HMH030KD1...

Page 58: ...58 Schematic Diagram 1 Heat Pump Cooling Only Series Indoor Unit...

Page 59: ...0 C08D R02D 39 C03D 150 ZD02D 2 11V 103 R01D 1 IC03D TLP521 1 3 C06D 104 C02D 680uF 35V 4 DC12V I 681 C04D D06D C01D 15uF 450V IC01D TNY266 S BP D EN NTC100D 9 ST02D 200 D05D R03D 1N4007 D01D C02J 104...

Page 60: ...List 1 Indoor Unit 268712 135315 152313 267110 354210 35211B W0CZZ 146811 1 146811 2 152302 152302 359011 1 135311 342801 135301 268714 263230 249951 359011 2 342800 352390 2 346810 733010 135313 1353...

Page 61: ...0A20003B 5990A20003B 249951 CONTROL BOX ASSEMBLY INDOOR 4995A20337H 4995A20337H 263230 THERMISTOR ASSEMBLY 6323A20002C 6323A20002C 267110 REMOTE CONTROLLER ASSEMBLY 6711A20025M 6711A20025M 268712 PWB...

Page 62: ...0 552116 566000 649950 435512 554031 137213 1 137213 2 559010 435301 430410 546810 549610 437210 435511 552111 552201 263230 668711 W0CZZ 2 W0CZZ 1 552203 2 552203 1 554160 1 554160 2 567502 550140 1...

Page 63: ...4H00637A 552111 TUBE ASSEMBLY CAPILLARY 5211A20034X 5211A20034X 552116 TUBE ASSEMBLY REVERSING 5211A20057B 552201 VALVE CHECK 3A01020H 3A01020H 552202 VALVE REVERSING 3A02027J 552203 1 VALVE SERVICE 2...

Page 64: ...P No 3828A20390Q April 2004 Printed in Korea...

Search results

Summary of Contents for HMC030KD1

Reviews:

Brands by name

Popular brands

ICP HMC030KD1, Service Manual

Search results

Summary of Contents for HMC030KD1

Reviews:

Brands by name

Popular brands