Heat Controller A-HMC09AS Service Manual Download Page 65 | Manualshive

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3. Indoor Unit(18K, 24K)

131410

267110

249951

135312

135311

354212

359011

733010

342800

268712

152302

159901-2

159901-1

263230

268714

352150

346810

35211B

146811

135314

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Summary of Contents for A-HMC09AS

Page 1: ...ir Conditioning Heat Pump Service Manual B A HMC09AS B A HMC12AS B A HMH12AS B A HMC18AS B A HMH18AS B A HMC24AS B A HMH24AS Before servicing the unit read the safety precautions in this manual Only f...

Page 2: ...g Diagram 12 Operation Details 15 Display Function 22 Self diagnosis Function 22 Installation 23 Operation 38 Disassembly of the Parts Indoor Unit 40 Cycle Troubleshooting Guide 46 Electronic Control...

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: ...ation Mode Heating Operation Mode Auto Operation Mode Fan Operation Mode Horizontal Airflow Direction Control Button Option Room Temperature Display Setting the Time or Timer Selecting C F ON OFF SET...

Page 5: ...LCD Wireless LCD Setting Temperature Range Cooling Mode 64 86 F 64 86 F 64 86 F 64 86 F Temperature Increment 2 F 2 F 2 F 2 F Auto Operation electronic control Yes Yes Yes Yes Self Diagnosis Yes Yes...

Page 6: ...reless LCD Wireless LCD Setting Temperature Range Cooling Mode 64 86 F 64 86 F 64 86 F Heating Mode 60 86 F 60 86 F 60 86 F Temperature Increment 2 F 2 F 2 F Auto Operation electronic control Yes Yes...

Page 7: ...it 7 Dimensions D W H Tubing hole cover Tubing hole cover Installation plate MODEL 9K 12K 18K 24K DIM W mm inch 802 31 6 888 35 0 1 080 42 5 H mm inch 262 10 3 287 11 3 314 12 4 D mm inch 165 6 5 170...

Page 8: ...3 L1 D H L4 L5 Gas side 3 way valve Liquid side 2 way valve MODEL 9K 12K DIM unit W mm inch 770 30 3 H mm inch 540 21 3 D mm inch 245 9 6 L1 mm inch 287 11 3 L2 mm inch 64 2 5 L3 mm inch 518 20 4 L4 m...

Page 9: ...alve 2 18K 24K MODEL 18K 24K DIM W mm inch 870 34 3 H mm inch 655 25 8 D mm inch 320 12 6 L1 mm inch 370 14 6 L2 mm inch 25 1 0 L3 mm inch 630 24 8 L4 mm inch 25 1 0 L5 mm inch 546 21 5 L6 mm inch 162...

Page 10: ...62m 25ft 15m 50ft 5m 16ft 8m 26ft 5 8 1 4 7 62m 25ft 15m 50ft 5m 16ft 8m 26ft 5 8 3 8 7 62m 25ft 15m 50ft 5m 16ft 8m 26ft Refrigeration Cycle Diagram For installation over rated a proper quantity of r...

Page 11: ...Gas Liquid Rated Max Rated Max 1 2 1 4 7 62m 25ft 15m 50ft 5m 16ft 8m 26ft 5 8 1 4 7 62m 25ft 15m 50ft 5m 16ft 8m 26ft 5 8 3 8 7 62m 25ft 15m 50ft 5m 16ft 8m 26ft For installation over rated a proper...

Page 12: ...24K Cooling Only Models Cooling Heating Models 4 3 2 1 BLDC MOTOR STEP MOTOR MAIN P C B INDOOR WIRING DIAGRAM TO OUTDOOR UNIT DISPLAY P C B ROOM PIPE THERMISTOR CN UP DOWN 3854AR7074A CN MOTOR PILLAR...

Page 13: ...USE 2 5A ZNR CN DC DC RY COMP 3 4 MAIN P C B BK T B 1 MOTOR YL OR BR BR BR BR BR RD BL BL 1 8 6 4 2 0 BL TERMINAL BLOCK TO INDOOR UNIT POWER INPUT 3854AR7077J OUTDOOR WIRING DIAGRAM RD BR BK BL G H F...

Page 14: ...P R C YL BR S CRANK CASE HEATER CN 4WAY CN TRANS TRANSFORMER CN FAN T B 3 T B 1 T B 2 T B 4 CN POWER FUSE 2 5A N L 4WAY VALVE BK RD RY 4WAY BL BL BK BK FUSE 3 15A FUSE 2 5A RY FAN RY HEATER ZNR CN DC...

Page 15: ...ically 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 15 Operation Details INTAKE A...

Page 16: ...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 17: ...for Heating only Heating Model Compressor ON temperature Setting temperature Compressor OFF temperature Setting temperature 6 F 17 Intake air temp below 68 F Over 68 F below 70 F over 86 F Setting tem...

Page 18: ...ake 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 temp i...

Page 19: ...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 20: ...hours Heating Mode with the Sleep Mode only Heating Model The operation will be stopped after 1 2 3 4 5 6 7 hours 20 INTAKE AIR TEMP SETTING TEMP 1 F Compressor ON SETTING TEMP 1 F Compressor OFF 30...

Page 21: ...cally to the previous operating condi tions If you want to use this operation Open the front panel upward and move the slide switch to the Auto Restart position If you do not want to use this operatio...

Page 22: ...t Indicator or Hot start Indicator OUT DOOR Cooling Heating Model only only Cooling Model CODE NO DIAGNOSIS Operation Indicator LED Blinks Unit Operation Once Still Operation Outdoor pipe thermistor S...

Page 23: ...ian should attempt to wire this system Do not supply power to the unit until all wiring and tubing are completed or reconnected and checked Highly dangerous electrical voltages are used in this system...

Page 24: ...weight into account and select a place where noise and vibration are minimum Select a place so that the warm air and noise from the air conditioner do not disturb neighbors Rooftop Installations If t...

Page 25: ...a line in the direction of the arrow marked A The meeting point of the two lines is the center of the hole The position of the center of the hole 4 Drill a hole in the wall Drill the piping hole with...

Page 26: ...ng 3 Putting nut on Remove flare nuts attached to indoor and outdoor unit then put them on pipe tube having completed burr removal not possible to put them on after flaring work 4 Flaring work Carry o...

Page 27: ...ge furniture or floors Foamed polyethylene or equivalent is recommended 4 Indoor unit installation Hook the indoor unit onto the upper portion of the instal lation plate Engage the two hooks of the re...

Page 28: ...rear piping housing section 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 28 Torque wre...

Page 29: ...the indoor unit install the drain pipe 7 Wrap the insulation material around the connecting portion Overlap the connection pipe heat insulation and the indoor unit pipe heat insulation material Bind t...

Page 30: ...against the installation plate until the hooks engage into their slots clicking sound 3 Connection of the pipes Outdoor 1 Align the center of the pipings and sufficiently tighten the flare nut by hand...

Page 31: ...y wire the high and low voltage line 3 Use heat proof electrical wiring capable of withstanding temperatures up to 167 F 4 Use outdoor and waterproof connection cable rated more than DC 100V 3A for th...

Page 32: ...bout 25mm 15 16 2 Using a screwdriver remove the terminal screw s on the terminal plate 3 Using pliers bend the solid wire to from a loop suit able for the terminal screw 4 Shape the loop wire properl...

Page 33: ...bs on the top inside edge of the chassis Press the Grille toward the chassis until it will be back into place 33 Air Conditioner Circuit Breaker Use a circuit breaker or time delay fuse Main power sou...

Page 34: ...dditional drain hose the end of the drain outlet should be routed above the ground Secure the drain hose appropriately 2 In cases where the outdoor unit is installed below the indoor unit perform the...

Page 35: ...nitrogen gas cylinder to this service port with charge hoses CAUTION Be sure to use a manifold valve for air purg ing If it is not available use a stop valve for this purpose The Hi knob of the manifo...

Page 36: ...edure 2 When the desired vacuum is reached close the Lo knob of the manifold valve and stop the vacu um pump Finishing the job 1 With a service valve wrench turn the valve stem of liquid side valve co...

Page 37: ...F Cooling or reversely Heating 4 For reference the gas side pressure of optimum condi tion is as below Cooling NOTE If the actual pressure are higher than shown the system is most likely over charged...

Page 38: ...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 39: ...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 40: ...rizontally by finger pressure Remove the securing screws 9K Btu models 2EA To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward...

Page 41: ...ox out from the chassis careful ly 3 To remove the Discharge Grille Unhook the discharge grille and pull the dis charge grille out from the chassis carefully 4 To remove the Evaporator Remove 3 screws...

Page 42: ...he tab is clear of the slot 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor se...

Page 43: ...inger pressure Remove the securing screws To remove the Grille pull the lower left and right side of the grille toward you slightly tilted and lift it straight upward 1 To remove the sensor housing co...

Page 44: ...remove the Discharge Grille Remove the securing screw Pressing the right side of the discharge grille downward slightly unhook the discharge grille Pull the discharge grille out from the chassis care...

Page 45: ...he tab is clear of the slot 5 To remove the Cross Flow Fan Loosen the screw securing the cross flow fan to the fan motor do not remove Lift up the right side of the cross flow fan and the fan motor se...

Page 46: ...When the room air humidity is relatively higher temperature difference is smaller When the room air humidity is relatively lower temperature difference is larger 2 Check temperature and pressure of r...

Page 47: ...o CN FAN Connector contacting of Outdoor Fan Compressor Display PWB Ass y Check Connector related to CN DC DC Check each load Indoor Outdoor Fan Motor Compressor Stepping Motor and contacting conditio...

Page 48: ...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 49: ...R02 12 1K R04 6 2K Micom No 27 Indoor unit Check the indoor temperature sensor is disconnected or not About 10k at 25 C When the temperature around Outdoor PWB Ass y is above 163 F the compressor is...

Page 50: ...PWB Assy s Check the connecting condi tion and disconnection of connecting wires between Indoor and Outdoor unit Check the pattern and the condition of Indoor unit PWB Ass y Check the interference of...

Page 51: ...perating circuit of the Vertical Louver Confirm that there is DC 12V between pin RED of CN UP DOWN and GND Confirm that there is a soldering short at following terminals Between 60 61 62 and 63 of MIC...

Page 52: ...controller then taking above 2 minutes Apply the power again after about 10 seconds by the power of Outdoor unit is off Check for the communication error and the operating condition of product after...

Page 53: ...ontroller The operation indicator blinks once on for 0 5 second off for 3 seconds The compressor operates continuously regardless of the setting temperature and the variation of room temperature The o...

Page 54: ...1 in the Outdoor unit are damaged when the indoor fan is operated No power for Indoor unit The signal input of the remote controller and opera tion of product is impossible The RED indicator of the Ou...

Page 55: ...0 5 0 5 5 0 0 5 0 5 0 5 0 5 5 0 0 5 0 5 0 5 0 5 5 0 0 5 0 5 0 5 0 5 5 0 4 3 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 0 12 2 3 17 0 17 0 17 0 17 0...

Page 56: ...71A10035B 12K 56K 3K OPEN OPEN OPEN 3 18K Heating Model 6871A10035C OPEN 56K 6 8K OEPN OPEN OPEN 4 18K Cooling Model 6871A10035D 12K 56K 6 8K OPEN OPEN OPEN 5 12K Heaing Model 6871A10035E OPEN 56K 2K...

Page 57: ...8K 10K 6 8K 3K OPEN X X X X X X 4 18K Heaing Model 6871A10036C 6 8K 10K 5 1K 6 8K 12K O O O O O O 5 18K Cooling Model 6871A10036D 6 8K 10K 5 1K 6 8K 12K X X X X X X 6 24K Heaing Model 6871A10036A 3K 2...

Page 58: ...3 DISPLAY PWB ASSY 58 9K 12K 18K 24K P No 6871A30009C...

Page 59: ...5V KID65004AF KID65004AF IC01G 1 8 IC01M 9 HVB OUT 8 5 6 7 4 1 2 3 1 R02A 20K 5V R11H R16H 12 1K DC 5V C02D C03D 25V 470uF C01D 35V 2200uF 104 50V 7812 IC01D O I 3 10K R97 10K 2 R96 IC9 1 KA393 4 DC12...

Page 60: ...4WAY HEATER RY 4WAY G5N 1A RY HEATER RY FAN G5N 1A COIL2 LS404060 CN 4WAY CN FAN 3 4 3 4 1 1 3 1 3 1 GMS81C1408SK HYUNDDAI 8K TMR20V RB7 SRDYIN SRDYOUT RC3 AN0 Aref RB0 PWM0 COMP0 RB4 PWM1 COMP1 RB5 R...

Page 61: ...1 Indoor Unit 9K 61 Exploded View and Replacement Parts List 267110 249951 354212 135312 135311 359011 131410 733010 342800 268712 152302 159901 263230 268714 352150 346810 35211B 135314 146811...

Page 62: ...R 159901 VANE HORIZONTAL 2020 0036 1 R 249951 CONTROL BOX ASSY INDOOR 2011 0039 1 R 263230 THERMISTOR ASSY 2014 0019 1 R 267110 REMOTE CONTROLLER ASSY 2019 0065 1 R 268712 PWB PCB ASSY DISPLAY 2011 00...

Page 63: ...2 Indoor Unit 12K 63 267110 249951 354212 135312 135311 359011 131410 733010 342800 268712 152302 159901 2 159901 1 263230 268714 352150 346810 35211B 135314 146811...

Page 64: ...159901 2 VANE HORIZONTAL 2020 0043 1 1 R 249951 CONTROL BOX ASSY INDOOR 2011 0042 1 R 2011 0043 1 R 263230 THERMISTOR ASSY 2014 0019 1 1 R 267110 REMOTE CONTROLLER ASSY 2019 0065 1 R 2019 0066 1 R 26...

Page 65: ...65 3 Indoor Unit 18K 24K 131410 267110 249951 135312 135311 354212 359011 733010 342800 268712 152302 159901 2 159901 1 263230 268714 352150 346810 35211B 146811 135314...

Page 66: ...1 R 249951 CONTROL BOX ASSY INDOOR 2011 0047 1 R 2011 0048 1 R 2011 0049 1 R 2011 0050 1 R 263230 THERMISTOR ASSY 2014 0019 1 1 1 1 R 267110 REMOTE CONTROLLER ASSY 2019 0065 1 1 R 2019 0066 1 1 R 2687...

Page 67: ...67 550140 554160 567502 552116 561410 553000 552111 437210 559010 546810 549610 554031 261704 W0CZZ 430410 552203 3 552203 1 437212 435511 552202 649950 668711 4 Outdoor Unit 9K 12K...

Page 68: ...VE 2034 0012 1 R 567502 O L P 2019 0012 1 R 2019 0023 1 R 2019 0062 1 R 649950 CONTROL BOX ASSY OUTDOOR 2011 0025 1 R 2011 0026 1 R 2011 0027 1 R 668711 PWB PCB ASSY MAIN OUTDOOR 2011 0032 1 R 2011 00...

Page 69: ...5 Outdoor Unit 18K 69 552116 649950 561410 554160 567502 447910 549610 550140 552203 2 552203 3 435512 437210 559010 546810 668711 552111 W0CZZ 554031 261704 437212 435511 553000 430411...

Page 70: ...ILLARY 2035 0030 1 R 2035 0031 1 R 552116 TUBE ASSY REVERSING 2035 0035 1 R 552202 VALVE REVERSING 2034 0004 1 R 552203 2 VALVE SERVICE 2033 0005 1 1 R 552203 3 VALVE SERVICE 2033 0001 1 R 2033 0011 1...

Page 71: ...6 Outdoor Unit 24K 71 649950 549610 552111 668711 W0CZZ 550140 553000 552116 552202 561410 552203 3 552203 1 435511 430411 435512 554031 437212 437210 559010 546810 554160 261704...

Page 72: ...2040 0122 3 R 552111 TUBE ASSY CAPILLARY 2035 0032 1 R 2035 0033 1 R 552116 TUBE ASSY REVERSING 2035 0036 1 R 552202 VALVE REVERSING 2034 0004 1 R 552203 1 VALVE SERVICE 2033 0004 1 1 R 552203 3 VALVE...

Page 73: ...Specifications and performance data subject to change without notice...

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