Heat Controller Energy Knight B/A-HMC30AS Service Manual Download Page 48

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Warning :
Disconnect the unit from power supply before making
any checks.
Be sure the power switch is set to “OFF”.

1. To remove the Grille from the Chassis.

➊

Remove the 2 screws of right side panel.

➋

Remove the 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 panel.

➌

Remove the lower panel by the arrow.

■

Take care not to scratch the wall and mat to
drop.

➍

Remove the left side panel.
(Remove the 2 screws.)

■

B-HMC30AS, B-HMH30AS, B-HMC30BS

Main PCB

Lower panel

Right side panel

Left side panel

Summary of Contents for Energy Knight B/A-HMC30AS

Page 1: ...30AS 1 HMC30BS 1Single Zone Air Conditioning Heat Pump Model B A HMC30AS B A HMH30AS B A HMC30BS Service Manual CAUTION Before servicing the unit read the safety precautions in this manual Only for authorized service personne HEAT CONTROLLER INC ...

Page 2: ...g Diagram 11 Operation Details 13 Display Function 25 Self diagnosis Function 25 Installation 26 Operation 42 Disassembly of the parts Indoor Unit 44 3 way Valve 52 Cycle Troubleshooting Guide 57 Electronic Parts Troubleshooting Guide 58 Electronic Control Device 64 Schematic Diagram 67 Exploded View and Replacement Parts List 70 ...

Page 3: ...prox 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 stops until the indoor pipe temperature will be reached at 28 C 82 F The fan is switched to low Cooling med Heating speed The unit will be stopped after 1 2 3 4 5 6 7 hours The fan is switched to inte...

Page 4: ...IGH 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 Timer ON OFF SET CANCEL Fan Speed Selection Low Med High CHAOS High 39 C 102 F Low 11 C 52 F OFF ON OFF ON Cancel Sleep Mode Timer ON or Timer OFF 1 2 3 4 5 6 7 Off Timer Fan Operates without cooling or heating Cool...

Page 5: ... 3 Airflow 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 electronic control Yes Self Diagnosis Yes Timer 24hr On Of Sleep Operation Yes Healthy Dehumidification Mode Yes Restart Delay minutes 3 Refrigerant R 22 Charge g oz 2300 81 Power cord AWG P mm2 12 3 ...

Page 6: ...ection Control 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 Timer 24hr On Off Sleep Operation Yes Healthy Dehumidification Mode Yes Restart Delay minutes 3 Defrost Control Yes Hot Start Yes Refrigerant R 22 Charge g oz 2550 89 9 Power cord AWG P mm2 ...

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: ...m 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 mm in ch 162 6 4 L9 mm in ch 54 2 1 L10 mm in ch 74 5 2 9 L11 mm in ch 79 3 1 30K SERIES 2 Outdoor Unit ...

Page 9: ...ATOR 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 CHECK VALVE Heating Model only COOLING HEATING REVERSING VALVE Heating Model Only 1 Cooling Only Models 2 Cooling Heating Models ...

Page 10: ...ould 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 15 88mm 3 8 9 52mm 7 5 25 15 50 30 100 30 0 32 50Hz 60Hz Pipe Size Capacity Btu h GAS LIQUID Additional Refrigerant g m oz ft Max Length A m ft Max Elevation B m ft Standard Length m ft ...

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 3854A20065D TO OUTDOOR UNIT BL 3 L1 4 L2 5 BR GN YL BL RD RD BR GN YL BR FUSE AC250V T2A TRIAC OR BK ZNR CN POWER CN MOTOR WIRING DIAGRAM ...

Page 12: ... LEV CN TH2 CN 4WAY PIPE IN PIPE OUT TEMP IN COIL EXPANSION RY HI RY COMP B RY COMP A 3 L1 2 L2 4 L2 1 L1 MAIN PCB ASM 3854A20153X WIRING DIAGRAM TO INDOOR UNIT POWER INPUT FMo T B Comp B OLP CAPACITOR 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 I...

Page 13: ...d for 2 minutes to prevent the refrigerant gas for abnormal noise when the heating operation is OFF or switched to the other operation mode while compressor is off While compressor is running it takes 3 5 seconds to switch 2 Chaos Swing Mode By the Chaos Swing key input the upper lower vane automatically operates with the Chaos Swing or they are fixed to the desired direction While in Chaos Swing ...

Page 14: ...and difference of outdoor temp desired temp following next operation stage of compressor is selected under the table 1 But compressor would be restarted after 3 mins of suspension if it turns off 2 If 100 compressor is selected cooling operation 1st stage would be working 3 If 40 compressor is selected cooling operation 2nd stage would be working 4 Operation Diagram tm tm1 tm2 2 Room Temp Desired ...

Page 15: ... 5 tm 250 40 6 tm 290 40 7 tm 320 40 8 tm 360 40 9 tm 400 40 10 tm 430 40 11 tm 470 40 12 tm 510 40 13 tm 540 100 tm Scale Selected Compressor tm 250 100 tm 250 100 tm 250 100 tm 250 100 tm 250 100 tm 290 100 tm 320 100 tm 360 100 tm 400 100 tm 430 100 tm 470 100 tm 510 100 tm 540 100 Selected Compressor tm Scale Unit Sec ...

Page 16: ...times 2 40 compressor operation would be suspended when the Room Temp goes down to Desired temp 1 0 C after stop ping 60 compressor operation C 3 It shifts to the Cooling Operation 3rd Stage when the 40 compressor operation is suspended in a series of 2 times by falling of room temperature after stopping 60 compressor operation 3 It starts 60 compressor operation immediately and returns to the ini...

Page 17: ...ter 3 mins of compressor s off 2 Condition to shift operation stage It operates the Cooling Operation 2nd Stage when the desired temp goes to Desired Temp 1 0 C more than 3 mins during its operation It shifts to 100 40 operation after standby until 40 operation goes OFF if the single operation of 40 compressor works more than 1 hour 3 Operation Diagram Room Temp Desired Temp Desired Temp 0 5 Desir...

Page 18: ...ass after suspension of the previous stage and the room temperature reaches at Desired Temp 0 5 C 60 40 compressor operations would be suspended when the room temperature goes to Desired Temp 0 5 C Criteria to decide following operation stage a when the average time during 2 times compressor operations is more than 360 seconds b when the temperature falls more than 3 C within 3 minutes after OFF o...

Page 19: ...eration stage It shifts to the Heating Operation 3rd Stage from the Heating Operation 2nd Stage if the operation time of compressor is within 6 minutes and at the same time the outdoor temperature is over Outdoor Temperature possible for 60 Operation whenever it checks every operation time 2 Operation Diagram Room Temp Desired Temp Desired Temp 0 5 C Desired Temp 5 0 C Comp 40 60 Outdoor Fan Indoo...

Page 20: ... compressor would be started when the Room Temperature is maintained between Desired Temp 1 0 C and Desired Temp 0 5 C more than 1 hour after suspension of 40 compressor operation 2 Condition to shift following operation stage It shifts from the operation stage during load and shows condition to perform following operation stage a It operates Heating Operation 1st Stage when operation such as the ...

Page 21: ... In the above and 40 compressor operation would be suspended when the room temperature reaches at Desired Temp after starting 40 compressor The Heating Operation 3rd Stage would be operated when the operations such as the above and are performed 2 times inconsecutively b The Heating Operation 3rd Stage would be operated when the room temperature is under Desired Temp 1 more than 10 minutes after c...

Page 22: ...78 F 1min INDOOR FAN SPEED COMPRESSOR Hot Start Control The indoor fan stops until the indoor pipe temperature will be reached at 82 F 28 C During heating operation if indoor pipe temperature falls below 78 F 25 5 C fan stops The operation diagram is shown below ...

Page 23: ...urs 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 0 5 C Compressor ON SETTING TEMP 1 F 0 5 C Compressor OFF 30 minutes 30 minutes More than 3 minutes 2 F 1 C 1 C 2 F More than 3 minutes COMPRESSOR ON OFF ON OFF ON INDOOR FAN SPEED Low Low Low Low Low SETTING TEMP 6 F 3 C Compressor OFF SETTING TEMP Compr...

Page 24: ...ain after a power failure Auto Restarting Operation 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 standard condition press the auto restart button to make this function active If you do not want to use this operation free the auto restart button once agai...

Page 25: ...o 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 Forced Operation Button Operation starts when this button is pressed and stops when you press the button again 3sec 3sec 3sec once 3sec 3sec twice 3sec 5times Error Code 1 2 5 Error LED Indoor body oper...

Page 26: ...om 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 adequate for the unit location Consult local codes regarding rooftop mounting If the outdoor unit is installed on root structures or walls this may result in excessive noise and vibration and maybe a...

Page 27: ...ortant 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 must be done safely 5 7mm 0 2 0 3 Indoor WALL Outdoor Installation Plate Type A screw 1 D4 0 L38 0 MSR3 FZW 30K Right rear piping Left rear piping 50mm 2 0 ø70mm 2 76 180mm 7 2 115mm 4 5in 4 Drill a ...

Page 28: ...ttached 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 handle Red arrow mark Cone Yoke Handle Bar A Pipe Reamer Point down 4 Flaring work Carry out flaring work using flaring tool as shown below Firmly hold copper pipe in a die in the dimension shown in the...

Page 29: ...to 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 cable to the indoor unit Make a small loop with the cable for easy connection later Right side panel Drain hose Main PCB Lower panel Lower panel For left rear piping CAUTION When install make sure that...

Page 30: ...te 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 installation plate by moving it left and right 5 Connecting the pipings to the indoor unit and drain hose to drain pipe Align the center of the pipings and sufficiently tighten the flare nut by hand Tighten the fla...

Page 31: ...rear piping housing sec 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 into the indoor unit Don t connect the cable to the indoor unit Make a small loop with the cable for easy connection later 4 Tape the drain hose and the connecting cable Connecting c...

Page 32: ...e 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 there is no gap Wrap the area which accommodates the rear piping housing section with vinyl tape Installation plate Three upper hooks Installation plate Indoor unit Three lower hooks Setting line Vinyl tape Adhe...

Page 33: ...ings 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 panel to the original position with the two screws Drain hose Vinyl tape narrow Pipe Wrap with vinyl tape wide Lower panel Main PCB Piping for passage through piping hole ...

Page 34: ... 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 tighten the flare nut with torque wrench until the wrench clicks When tightening the flare nut with torque wrench ensure the direction for tightening follows the arrow on the wrench 1 2 3 4 Outdoor unit Gas side p...

Page 35: ...ires 3 L1 2 L2 1 L1 5 G Y RED BLUE BROWN G Y CAUTION Ø 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 following specifications UL and CSA recognized one The connecting cable connected to the indoor and outdoor unit should be complied with the following specifications UL and CSA recognized one Ø 7 5mm 0 ...

Page 36: ...for the method of wiring be guided by the circuit diagram posted on the inside of control cover 2 Specification of power source 3 Confirm that electrical capacity is sufficient 4 See to that the starting voltage is maintained at more than 90 percent of the rated voltage marked on the name plate 5 Confirm that the cable thickness is as specified in the power source specification Particularly note t...

Page 37: ...ure 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 piping Right side panel Downward slope Do not raise Accumulated drain water Tip of drain hose dipped in water Air Waving Water leakage Water leakage Ditch Less than 50mm gap Water leakage Lower panel ...

Page 38: ...g 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 piping and connecting cable from down to up Secure the taped piping along the exterior wall Form a trap to prevent water entering the room Fix the piping onto the wall by saddle or equiva lent Taping ...

Page 39: ...gauges 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 reached 150 P S I G Next test for leaks with liquid soap Do a leak test of all joints of the tubing both indoor and outdoor and both gas and liquid side service valves Bubbles indicate a leak Be sure ...

Page 40: ... 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 purging with a vacuum pump The air conditioner is now ready to test run 1 Remove the caps from the gas side and liquid side valves 2 Remove the service port cap from the gas side valve 3 To open the gas si...

Page 41: ...ed 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 connection Outside ambient TEMP The pressure of the gas side service valve 35 C 95 F 4 5kg cm2 G 56 8 71 0 P S I G This is performed when the unit is to be relocated or the refrigerant circuit is serviced...

Page 42: ...imer 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 or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature C F SELECTING BUTTON Choose temperature unit C or F alternatively HORIZONTAL AIRFLOW DIRECTIO...

Page 43: ... 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 or heating turns indoor fan on off ROOM TEMPERATURE CHECKING BUTTON Used to check the room temperature C F SELECTING BUTTON Choose temperature unit C or F alternatively HORIZONTAL AIRFLOW DIRECTION CO...

Page 44: ...ws 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 panel Remove the lower panel by the arrow Take care not to scratch the wall and mat to drop Remove the left side pane Remove the 2 screws B HMC30AS B HMH30AS Main PCB Low panel Lower panel Right side panel Left s...

Page 45: ...r 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 sensor holder Motor Evaporator and P C B Power Conductor Step Motor Conductor Motor Conductor Sensor Conductor Earth Conductor 30K 32K ...

Page 46: ...downward 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 1EA Remove 2 screws securing the evaporator clamp Unhook the tab on the right inside of the chassis at the same time slightly pull the evaporator toward you until the tab is clear of the slot Screw Scr...

Page 47: ...ot 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 bearing Lift up the cross flow fan Screw Fan motor Screw Screw Fan motor Mount motor Holder bearing ...

Page 48: ... Remove the 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 panel Remove the lower panel by the arrow Take care not to scratch the wall and mat to drop Remove the left side panel Remove the 2 screws B HMC30AS B HMH30AS B HMC30BS Main PCB Lower panel Lower panel Right side panel Left side panel ...

Page 49: ...le toward you slightly tilted and lift it straight upward Separate the black lead wire from the white connector 2 To remove the sensor housing connector earth conductor and step motor conductor with sensor holder Motor Evaporator and P C B Power Conductor Step Motor Conductor Motor Conductor Sensor Conductor Earth Conductor BLACK WHITE 30K 30K ...

Page 50: ...ille downward 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 1EA Remove 2 screw securing the evaporator clamp Unhook the tab on the right inside of the chassis at the same time slightly pull the evaporator toward you until the tab is clear of the slot Screw...

Page 51: ...ot 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 bearing Lift up the cross flow fan Screw Fan motor Screw Screw Fan motor Mount motor Holder bearing ...

Page 52: ...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 gauge indicates 1kg cm2 g 14 2 Psig 7 Immediately set the Gas side valve to the closed position Do this quickly so that the gauge ends up indi cating 3kg cm2 g 42 7 psi to 5kg cm2 g 71 1psi 8 Disconnect the charge set and mo...

Page 53: ... 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 gauge indicates 3kg cm2 g 42 7 psi to 5kg cm2 g 71 1psi 6 Disconnect the charge set and the gas cylin der and set the Liquid side and Gas side valves to the open position Be sure to use a hexagonal wrench to operate...

Page 54: ...frigerant 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 1kg cm2 G 14 2 psi discharge the refrigerant until the gauge indicates 0 5kg cm2 G 7 1 psi to 1kg cm2 G 14 2 psi if this is the case it will not be necessary to apply a evacuatin Discharge the refrigerant gradually if it is dis charged too ...

Page 55: ...i 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 Disconnect the charge hose from the vacuum pump Vacuum pump oil If the vacuum pump oil becomes dirty or depleted replenish as needed Lo Open Open Vacuum pump 3 Way valve Outdoor unit Liquid side Indoor unit Gas s...

Page 56: ...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 disconnect the charge hose from the 3 way valve s service port Stopping partway will allow the gas to be dis charged If the system has been charged with liquid refrigerant while operating the air conditi...

Page 57: ...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 temperature and pressure of refrigeration cycle Notice 1 The suction pressure is usually 4 5 6 0 kg cm2 G 64 85 3 psi Cooling at normal condition 2 The temperature can be measured by attaching the thermometer...

Page 58: ...o 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 Board Operation Check Items Power Transformer Outdoor unit Input Voltage Output Voltage IC01D 7812 Output Outdoor unit IC02D 7805 Output Outdoor unit IC04D 7805 Output Indoor unit IC01A KIA7036 Reset I...

Page 59: ...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 force Check DISP PWB Ass y Voltage between CN DISP DC 5V When the detect switch double key inside the remote controller door is fault it is impossible to operate temperature regulating and wind speed sel...

Page 60: ...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 10kΩ at 25 C Turn off Main Power Check the electrical wiring diagram of outdoor side Check the abnormal condition for the component of Compressor Outdoor Fan Motor Check the open or short of conmecting wires between indoor and outdoor Check Relay RY COMP...

Page 61: ...uit 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 operate TRIAC short Indoor Fan Motor always operates in case of ON or OFF 4 When indoor Fan does not operate The voltage of PIN NO 1 blue and 3 yellow of CN MOTOR About AC 180V over About AC 50V over TRIAC...

Page 62: ...when 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 checks Confirm the assembly conditions that are catching and interfering parts in the rotation radial of the Vertical Louver 5 When Vertical Louver does not operate Check the operating circuit of the V...

Page 63: ... ON 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 230V COMP OFF DC0V DC0V Below AC10V CHECK POINT Between Micom No 14 and GND Between RY FAN No 1 and No 4 Between CN FAN and CN POWER 2 N COMP ON DC5V About DC12V AC 208 230V COMP OFF DC0V DC0V Below AC...

Page 64: ...D C91C JP03 C81 C06D JP25 C01L JP02 C93C OSC01B C02A JP04 C13M IC01A C01A JP06 JP05 OR2H OR6H OR5H OR4H OR3H OR1H C12M C11M JP07 JP08 JP21 C10M JP24 JP23 JP22 OJ4H OJ1H C02H OJ3H OJ2H CN_MOTOR POLY_SW C07C CN_HVB R99C C92C BZ01E JP26 JP09 CN_TH1 CN_TH2 CN_CON CN_12V CN_U D JP13 JP11 JP12 JP14 C07F ASM 6871A20558 PWB 6870A90224A C03H CN_COMM JP20 JP19 JP18 C02N JP17 CN_DISP CN_L R2 JP15 CN_L R1 JP1...

Page 65: ... 65 TOP VIEW BOTTOM VIEW 2 OUTDOOR UNIT P W B ASSEMBLY Models B A HMC30AS B A HMH30AS ...

Page 66: ...C 0 6 M T R A N S 2 1 3 C07M 5 6 R 0 7 M 13 12 C 0 4 M 9 8 7 L02M L01M C 0 9 M J 0 4 R 0 9 M Q 0 2 M R 0 8 M C 0 2 M L02D C04D Vm R 0 4 M I C 0 3 M C 0 5 M D01M J 0 6 C 8 9 J 0 7 R 0 1 M L04M L03M R Y _ C O M P B LED91 Q 0 1 M R05H C 9 1 R 9 0 D92 R03M J 0 3 COM GND 35 30 C92 10 J 0 2 5 R 0 4 L R 0 6 L R 0 5 L R 0 1 K 15 T E S T _ K E Y IC10 J 0 8 R 0 5 M 25 R02M 22 C 0 1 M R95 IC9 20 R 9 2 D 9 1 ...

Page 67: ... 67 3 DISPLAY P W B ASM Models HMC30AS 1 HMH30AS 1 ...

Page 68: ... 68 Schematic Diagram 1 Heat Pump Cooling Only Series Indoor Unit ...

Page 69: ...60 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 METAL 1M 1 2W R01J N F01J FUSE ZNR01J 0 22uF NF01J 250V 3A 2 2 CN POWER 3 3 1 1 82K 3W 5 DC 5V JOP1_JIG P22 2 3 R05H 08H 32 P10 INT0 P60 AIN0 P61 AIN1 P64 AIN4 P63 AIN3 P62 AIN2 P67 AIN7 P65 AIN5 P6...

Page 70: ... Parts List 1 Indoor Unit 268712 135315 152313 267110 354210 35211B W0CZZ 146811 152302 152302 359011 1 135311 342801 135301 268714 263230 249951 359011 2 342800 352390 2 346810 733010 135313 135314 135312 352390 1 131410 159901 352150 ...

Page 71: ...ASSEMBLY 6323A20002C 6323A20002C 6323A20002C 267110 REMOTE CONTROLLER ASSEMBLY 6711A20025N 6711A20026U 6711A20025N 268712 PWB PCB ASSY DISPLAY 6871A20108A 6871A20108A 268714 PWB PCB ASSEMBLY MAIN 6871A10153B 6871A10153A 6871A20588B 342800 BEARING 4280A20003A 4280A20003A 4280A20003A 342801 BEARING 4280A20001A 4280A20001A 4280A20001A 346810 MOTOR ASSEMBLY INDOOR 4681AP2632H 4681AP2632H 4681A22002A 3...

Page 72: ...10 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 550140 2 2 Outdoor Unit ...

Page 73: ...E 552111 TUBE ASSEMBLY CAPILLARY 5211A20034X 5211A20034X 5211A20034X 552116 TUBE ASSEMBLY REVERSING 5211A20057B 552201 VALVE CHECK 3A01020D 3A01020H 3A01020D 552202 VALVE REVERSING 3A02027J 552203 1 VALVE SERVICE 2A00393H 2A00393H 2A00393H 552203 2 VALVE SERVICE 2A00392N 2A00392N 2A00392N 554031 CONDENSER ASSEMBLY BENT 6140AP2096A 6140AP2096Q 6140AP2096A 554160 1 COMPRESSOR 2520UHAK2AA 2520UHAK2AA...

Page 74: ...Specifications and performance data subject to change without notice HEAT CONTROLLER INC 1900 WELLWORTH AVENUE JACKSON MICHIGAN 49203 THE QUALITY LEADER IN CONDITIONING AIR P No 3828A20390K ...

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