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35

14 Troubleshooting Guide

14.1. Refrigeration Cycle System

In order to diagnose malfunctions, make sure that there are no
electrical problems before inspecting the refrigeration cycle.
Such problems include insufficient insulation, problem with the
power source, malfunction of a compressor and a fan.
The normal outlet air temperature and pressure of the
refrigeration cycle depends on various conditions, the standard
values for them are shown in the table to the right.

Summary of Contents for CS-E9HKEA

Page 1: ...mensions 10 5 1 Indoor Unit 10 5 2 Outdoor Unit 11 6 Refrigeration Cycle Diagram 12 7 Block Diagram 13 8 Wiring Connection Diagram 14 8 1 Indoor Unit 14 8 2 Outdoor Unit 15 9 Electronic Circuit Diagram 16 9 1 Indoor Unit 16 9 2 Outdoor Unit 17 10 Printed Circuit Board 18 10 1 Indoor Unit 18 10 2 Outdoor Unit 20 11 Installation Instruction 21 11 1 Select The Best Location 21 11 2 Indoor Outdoor Uni...

Page 2: ...g done by the user is defective it will cause water leakage electrical shock or fire 2 Install according to this installation instruction strictly If installation is defective it will cause water leakage electrical shock or fire 3 Use the attached accessories parts and specified parts for installation and servicing Otherwise it will cause the set to fall water leakage fire or electrical shock 4 In...

Page 3: ... Select an installation location which is rigid and strong enough to support or hold the unit and select a location for easy maintenance 2 Power supply connection to the conditioner Connect the power supply cord of the air conditioner to the mains using one of the following methods Power supply point shall be the place where there is ease for access for the power disconnection in case of emergency...

Page 4: ...9 9 350 Heating 10 9 384 Refrigeration Control Device Exp Valve Refrigeration Oil cm3 RB68A or Freol Alpha68M 400 Refrigerant R410A g oz 930 32 8 Dimension Height mm inch 280 11 1 32 540 21 9 32 Width mm inch 799 31 15 32 780 30 23 32 Depth mm inch 183 7 7 32 289 11 13 32 Net Weight kg lbs 9 20 35 77 Pipe Diameter Gas mm inch 9 52 3 8 Liquid mm inch 6 35 1 4 Standard Length m ft 7 5 24 6 Pipe Leng...

Page 5: ...it Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 21 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material P P Honey Comb Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power W Cooling 590 120 750 Heating 845 115 1360 Starting Current A 4 0 Running Current A Cooling 2 9 Heating 4 0 Power Factor Cooling 88 Heating 92 Power facto...

Page 6: ... Heating 11 59 409 Refrigeration Control Device Exp Valve Refrigeration Oil cm3 RB68A or Freol Alpha68M 400 Refrigerant R410A g oz 970 34 2 Dimension Height mm inch 280 11 1 32 540 21 9 32 Width mm inch 799 31 15 32 780 30 23 32 Depth mm inch 183 7 7 32 289 11 13 32 Net Weight kg lbs 9 20 35 77 Pipe Diameter Gas mm inch 12 7 1 2 Liquid mm inch 6 35 1 4 Standard Length m ft 7 5 24 6 Pipe Length Ran...

Page 7: ...t Fin Corrugated Fin Row x Stage x FPI 2 x 15 x 21 2 x 24 x 17 Size W x H x L mm 610 x 315 x 25 4 36 4 x 504 x 713 684 Air Filter Material P P Honey Comb Type One Touch Item Unit Power Source Phase Voltage Cycle ø Single V 230 Hz 50 Input Power W Cooling 920 120 1180 Heating 1260 115 1850 Starting Current A 5 8 Running Current A Cooling 4 3 Heating 5 8 Power Factor Cooling 93 Heating 94 Power fact...

Page 8: ...re WBT Wet bulb temperature This unit is still able to operate as a cooler with outdoor temperature as low as 15qC in a non living room such as a computer room with a room temperature of 16qC or above and room humidity up to 80 During cooling operation when the outdoor temperature drops below 15qC compressor will be cut off and resume operation again once the temperature rises more than 15qC Servi...

Page 9: ...9 4 Location of Controls and Components 4 1 Product Overview 4 1 1 Indoor Unit 4 1 2 Outdoor Unit 4 1 3 Remote Control ...

Page 10: ...10 5 Dimensions 5 1 Indoor Unit ...

Page 11: ...11 5 2 Outdoor Unit ...

Page 12: ...common length additional refrigerant should be added as shown in the table Model Piping size Rated Length m Common Length m Max Elevation m Max Piping Length m Additional Refrigerant g m Gas Liquid E9HKEA 3 8 1 4 7 5 7 5 5 15 20 E12HKEA 1 2 1 4 7 5 7 5 5 15 20 ...

Page 13: ...13 7 Block Diagram ...

Page 14: ...14 8 Wiring Connection Diagram 8 1 Indoor Unit ...

Page 15: ...15 8 2 Outdoor Unit ...

Page 16: ...16 9 Electronic Circuit Diagram 9 1 Indoor Unit ...

Page 17: ...17 9 2 Outdoor Unit ...

Page 18: ...18 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board ...

Page 19: ...19 10 1 2 Power Printed Circuit Board 10 1 3 Indicator Panel ...

Page 20: ...20 10 2 Outdoor Unit 10 2 1 Main Printed Circuit Board ...

Page 21: ...awning is built over the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed There should not be any animal or plant which could be affected by hot air discharged Keep the spaces indicated by arrows from wall ceiling fence or other obstacles Do not place any obstacles which may cause a short circuit of the discharged air If piping length is o...

Page 22: ... method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the distance namely 150 mm and 125 mm for left and right hole respectively Drill the piping hole at either the right or the left and the hole should be slightly slanted to the outdoor side 11 3 2 TO DRILL A HOLE IN THE WALL AND INSTALL A SLEEVE OF PIPING 1 Insert the piping sleev...

Page 23: ...23 3 For the embedded piping This can be used for left rear piping and left bottom piping also ...

Page 24: ... 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the colour of wires of outdoor unit and the terminal Nos are the same to the indoor s respectively Earth lead wire shall be longer than the other lead wires as shown in the figure for the electrical safety in case of the slipping out of the cord from the anchorage Secure the cable onto the control board with the holder clamp...

Page 25: ...nut with torque wrench in specified torque as stated in the table Connecting The Piping To Outdoor Unit Decide piping length and then cut by using pipe cutter Remove burrs from cut edge Make flare after inserting the flare nut locate at valve onto the copper pipe Align center of piping to valves and then tighten with torque wrench to the specified torque as stated in the table CUTTING AND FLARING ...

Page 26: ...ve at a torque of 18 NO m with a torque wrench 7 Remove the valve caps of both of the 2 way valve and 3 way valve Position both of the valves to OPEN using a hexagonal wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage 11 4 4 CONNECT THE CABLE TO THE OUTDOOR UNIT FOR DETAIL REFER TO WIRING DIAGRAM AT UNIT 1 Remove the control board cover from t...

Page 27: ...mentioned in Indoor Outdoor Unit Installation Diagram Please wrap the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the room where dew may form please increase the insulation by using POLY E FOAM with thickness 6 mm or above ...

Page 28: ...e are two types of airflow vertical airflow directed by horizontal vane and horizontal airflow directed by vertical vanes 2 Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 12 1 2 1 Vertical Airflow 1 Automatic vertical airflow d...

Page 29: ...Quiet operation start condition When quiet button at remote control is pressed Quiet LED illuminates b Quiet operation stop condition 1 When one of the following conditions is satisfied quiet operation stops a Powerful button is pressed b Stop by OFF ON switch c Timer off activates d Quiet button is pressed again 2 When quiet operation is stopped operation is shifted to normal operation with previ...

Page 30: ...tton is pressed again 2 When quiet operation is stopped operation is shifted to normal operation with previous setting 3 When fan speed is changed quiet operation is shifted to quiet operation of the new fan speed 4 When operation mode is changed quiet operation is shifted to quiet operation of the new mode except fan only mode 5 During quiet operation if timer on activates quiet operation maintai...

Page 31: ...ment the decided operation will start operate earlier than the set time as shown below 12 1 6 OFF Timer Control OFF timer can be set using remote control the unit with timer set will stop operate at set time 12 1 7 Auto Restart Control 1 When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between...

Page 32: ...Compressor will not start for three minutes after stop of the operation 12 2 2 30 Seconds Forced Operation Once compressor starts the operation it will not stop its operation for 30 seconds However it can be stopped with the remote controller or the Auto button on the indoor unit 12 2 3 Total Running Current Control 1 When the total running current exceeds l1 compressor operation frequency is redu...

Page 33: ...l Switching Abnormality between Cooling and Heating In Cooling operation 1 When indoor heat exchanger temperature exceeds 45qC in 4 minutes after compressor starts compressor will be stopped 2 If the above excess occurs 4 times per 30 minutes timer LED is to be blinking F11 is to be confirmed In Heating operation 1 When indoor heat exchanger temperature is below 0qC in 4 minutes after compressor s...

Page 34: ...n be change over by following steps a Press the AUTO switch continuously for more than 16 sec to below 21 sec a beep beep beep beep sound will occur at the sixteenth sec b Press the A C Reset button once Remote controller signal will activate the remote controller sound setting mode c Press the Check button once at remote controller A beep sound will occur d Press the AUTO switch once to select re...

Page 35: ... problems before inspecting the refrigeration cycle Such problems include insufficient insulation problem with the power source malfunction of a compressor and a fan The normal outlet air temperature and pressure of the refrigeration cycle depends on various conditions the standard values for them are shown in the table to the right ...

Page 36: ...is mode H11 will be displayed at remote controller By pressing the TMER button once next error code will be displayed press V button once previous error code will be displayed If error code displayed matches the error code saved in unit memory abnormality detected beep beep beep sounds will be heard for 4 seconds and Power LED will light on Otherwise one beep sound is heard If CHECK button is pres...

Page 37: ...n Ionizer H27 Outdoor intake air temperature sensor abnormality Continue for 5 sec O Outdoor temperature sensor defective or disconnected H28 Outdoor heat exchanger temperature sensor abnormality Continue for 5 sec O Outdoor heat exchanger temperature sensor defective or disconnected H30 Outdoor discharge air temperature sensor abnormality Continue for 5 sec Outdoor temperature sensor defective or...

Page 38: ...tion When handling electronic controller be careful of electrostatic discharge Be sure to return the wiring to its original position There are many high voltage components within the heat sink cover so never touch the interior during operation Wait at least two minutes after power has been turned off ...

Page 39: ...39 ...

Page 40: ...40 15 2 Indoor Cross Flow Fan and Fan Motor ...

Page 41: ...41 ...

Page 42: ...ler be careful of electrostatic discharge 1 Remove the 3 screws of the Top Panel Fig 1 2 Remove the 6 screws of the Front Panel Fig 2 3 Remove the screw of the Terminal Board Cover 4 Remove the Top Cover of the Control Board by 4 hooks Fig 3 5 Remove the Control Board as follows Fig 4 Fig 5 Fig 6 ...

Page 43: ...43 16 Technical Data 16 1 Operation Characteristics 16 1 1 CS E9HKEA CU E9HKEA ...

Page 44: ...44 ...

Page 45: ...45 ...

Page 46: ...46 ...

Page 47: ...47 16 1 2 CS E12HKEA CU E12HKEA ...

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Page 49: ...49 ...

Page 50: ...50 ...

Page 51: ...3 09 2 12 0 56 2 88 2 04 0 60 2 68 1 97 0 64 2 44 1 88 0 70 CS E12HKEA CU E12HKEA 230V Outdoor Temp qC Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0qC 3 47 2 63 0 84 3 24 2 52 0 91 3 02 2 43 0 97 2 74 2 30 1 05 19 0qC 3 50 0 92 19 5qC 3 81 2 76 0 86 3 56 2 65 0 92 3 31 2 55 0 99 3 01 2 43 1 07 22 0qC 4 15 2 86 0 87 3 88 2 75 0 94 3 61 2 65 1 01 3 28 2 53 1 08 TC SHC...

Page 52: ...7 Exploded View and Replacement Parts List 17 1 Indoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 53: ...ONTROL BOARD FRONT COVER 1 CWH131207 m 26 INDICATOR COMPLETE 1 CWE39C1126 m O 27 INDICATOR HOLDER 1 CWD932429 m 28 INDICATOR HOLDER 1 CWD932430 m 29 CONTROL BOARD FRONT COVER CO 1 CWH13C1171 m 30 REMOTE CONTROL COMPLETE 1 CWA75C3192 m O 31 FRONT GRILLE CO 1 CWE11C3973 m O 32 INTAKE GRILLE COMPLETE 1 CWE22C1154 m 33 GRILLE DOOR 1 CWE14C1011 m 34 AIR FILTER 2 CWD001144 m 35 SCREW FRONT GRILLE 2 XTT4...

Page 54: ...l parts are supplied from PHAAM Malaysia Vendor Code 061 O marked parts are recommended to be kept in stock 55 INSTALLATION INSTRUCTION 1 CWF613399 m REF NO PART NAME DESCRIPTION QTY CS E9HKEA CS E12HKEA REMARKS ...

Page 55: ...55 17 2 Outdoor Unit Note The above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts ...

Page 56: ...VE 1 CWB001037J m O 19 2 WAY VALVE 1 CWB021333 m O 21 V COIL CO FOR 4 WAY VALVE 1 CWA43C2144J m O 22 V COIL COMPLETE FOR EXP VALVE 1 CWA43C2058J m 23 REACTOR 1 G0C193J00003 G0C193J00004 24 SENSOR COMPLETE 1 CWA50C2402 m 25 SENSOR COMPLETE 1 CWA50C2281 m 26 TERMINAL BOARD ASSY 1 CWA28K1021J m 27 ELECTRONIC CONTROLLER MAIN 1 CWA73C3245R CWA73C3246R O 28 OVER HEAT PROTECTOR COMPLETE 1 CWA14C1013 m 29...

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