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18.1. Indoor Unit

18 Electronic Circuit Diagram

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CS-E15DB4EW CS-E18DB4EW CS-E21DB4ES

CN-DISP

R203

CN-DISP

HAJEM-A

(XH4)

IC201

Vout
Vcc

GND

R201

BZ201

R202

C202

D205

POWER

SW201

Auto

C201

25V

C03

0.01

D204

TIMER

D203

POWERFUL

D202

QUIET

D201

AIR SWING

INDICATOR COMPLETE

MAIN ELECTRONIC CONTROLLER

R04 360
R15 360
R16 360

C28

0.01

R42

10k

R41

10k

R43

C26

0.1

C02

0.01

C01

0.01

C25

100

16V

R03

R14 5.1k

R28

R22

R11

R12

10k

R21

10k

R29

10k

JP7

JP6

F-TEST

S-TEST

JP5

IC02

RST

SCK

BUSY

JP8

R37

10k

Ω

R34

10k

Ω

R32

100k

Ω

C20

0.01

R38

10k

Ω

R35

10k

Ω

IC06

C0EBH0000282

C27

2.2

50V

C15

0.01

C32

0.01

IC07

B1HBGFF00005

IC05

B1HBGFF00005

SSR02

SSR01

VERTICAL

CN-STM2

VERTICAL

CN-STM1

SCHEMATIC DIAGRAM 1/4

CS-E15DB4EW CU-E15DBE / CS-E18DB4EW CU-E18DBE / CS-E21DB4ES CU-E21DBE

Содержание CS-E15DB4EW

Страница 1: ...d Unauthorized copying and distribution is a violation of law CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE 4 2 Outdoor Unit 13 5 Refrigeration Cycle Diagram 14 6 Block Diagram 15 7 Wiring Diagram 16 8 Operation Details 17 8 1 Basic Operation 17 8 2 Protection Control Features 28 9 Operating Instructions 34 10 Installation And Servicing Air Conditioner Using R410A 42 10 1 Outli...

Страница 2: ...moke 14 1 CS E15DB4EW CS E18DB4EW CS E21DB4ES 79 14 2 CZ BT20E Front Grille Complete 81 15 Replacement Parts List Indoor Unit 82 15 1 CS E15DB4EW CS E18DB4EW CS E21DB4ES 82 15 2 CZ BT20E Front Grille Complete 83 16 Exploded View Outdoor Unit 84 16 1 CU E15DBE CU E18DBE CU E21DBE 84 17 Replacement Parts List Outdoor Unit 85 17 1 CU E15DBE CU E18DBE CU E21DBE 85 18 Electronic Circuit Diagram 86 18 1...

Страница 3: ...Powerful Mode Operation POWERFUL Increase or decrease set temperature 16 C to 30 C AUTO Vertical Automatic Airflow Direction Control MANUAL Vertical Manual Airflow Direction Control FAN SPEED Check Point Reset Point RESET CHECK AIR SWING Breakdown self diagnosis function Clear memory data CANCEL OFF TIMER ON TIMER FAN SPEED AUTO HEAT DRY COOL OFF MODE TIMER ON 1 2 3 OFF CLOCK RESET SET CANCEL TEMP...

Страница 4: ...revious setting mode Low Pressure Control Gas Leakeage Detection Deodorizing Control Operation Indication Lamps LED POWER Green Lights up in operation blinks in Automatic Operation Mode judging deice On Timer sampling and Hot Start operation TIMER Orange Lights up in Timer Setting Blinks in Self Diagnosis Control QUIET Orange Lights up in Quiet Mode Operation POWERFUL Orange Lights up when Powerfu...

Страница 5: ...y Control Compressor Overheating Prevention Control IPM Power Transistor Overheating Protection Control Total Running Current Control Mininum Operation Frequency Protection Control Low Operation Frequency Protection Control Outdoor Air Temperature Control 5 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 6: ... min cfm Cooling 10 5 370 Cooling 46 8 1 650 Heating 10 8 380 Heating 48 5 1 710 dB A Cooling High 34 Low 26 Cooling 45 Heating High 35 Low 28 Heating 47 Noise Level Power level dB Cooling High 47 Cooling High 58 Heating High 48 Heating High 60 Electrical Data Input Power W Cooling 1 300 255 1 710 Heating 1 770 260 2 180 Running Current A Cooling 6 0 5 9 Heating 8 0 7 9 EER W W Cooling 3 15 3 53 2...

Страница 7: ...8 poles Transistor 8 poles Rate Output W 40 40 Fan Speed Lo Cool Heat rpm 400 480 Me Cool Heat rpm 480 540 Hi Cool Heat rpm 560 600 640 660 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 10 1 28 FPI 18 18 Size W H L mm 1 330 1 270 210 25 4 871 7 7...

Страница 8: ... 405 dB A Cooling High 36 Low 28 Cooling 47 Heating High 37 Low 29 Heating 48 Noise Level Power level dB Cooling High 49 Cooling High 60 Heating High 50 Heating High 61 Electrical Data Input Power W Cooling 1 530 255 1 930 Heating 1 900 260 2 450 Running Current A Cooling 7 0 6 9 Heating 8 5 8 3 EER W W Cooling 3 14 3 53 2 95 BTU hW Cooling 10 7 12 0 10 1 COP W W Heating 2 95 3 46 2 90 BTU hW Heat...

Страница 9: ...peed Lo Cool Heat rpm 430 490 Me Cool Heat rpm 510 560 Hi Cool Heat rpm 590 640 660 660 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 10 2 34 FPI 18 16 Size W H L mm 1 330 1 270 210 25 4 849 3 878 714 36 4 Refrigerant Control Device Expansion Val...

Страница 10: ...Heating 41 5 1 460 dB A Cooling High 41 Low 33 Cooling 49 Heating High 42 Low 34 Heating 49 Noise Level Power level dB Cooling High 54 Cooling High 62 Heating High 55 Heating High 62 Electrical Data Input Power W Cooling 2 050 255 2 200 Heating 2 450 260 2 820 Running Current A Cooling 9 2 9 0 Heating 10 9 10 6 EER W W Cooling 2 88 3 53 2 86 BTU hW Cooling 9 8 12 0 9 8 COP W W Heating 2 86 3 46 2 ...

Страница 11: ...peed Lo Cool Heat rpm 510 580 Me Cool Heat rpm 600 670 Hi Cool Heat rpm 700 770 700 680 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 10 2 34 FPI 18 18 Size W H L mm 1 330 1 270 210 25 4 839 5 868 714 36 4 Refrigerant Control Device Expansion Val...

Страница 12: ...4 Dimensions 4 1 Indoor Unit Remote Control 4 1 1 CS E15DB4EW CS E18DB4EW CS E21DB4ES 12 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 13: ...4 2 Outdoor Unit 4 2 1 CU E15DBE CU E18DBE CU E21DBE 13 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 14: ...5 Refrigeration Cycle Diagram 14 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 15: ...6 Block Diagram 15 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 16: ...7 Wiring Diagram 16 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 17: ...he suitable operation mode the microcomputer maintains the set temperature by measuring the temperature of environment and performing temperature shifting 8 1 1 Temperature Shifting Flow The compressor at outdoor unit is operating following the frequency instructed by the microcomputer at indoor unit that judging the condition according to internal setting temperature 17 CS E15DB4EW CU E15DBE CS E...

Страница 18: ... is OFF when Intake Air Temperature Internal Setting Temperature 2 0 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 8 1 4 Heating Operation 8 1 4 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 2 0 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperatu...

Страница 19: ...dged and performed based on the above operation mode chart every 30 minutes Remote Control Setting Temperature C T1 T2 T3 16 18 10 3 5 19 22 8 3 7 23 26 7 3 7 27 30 6 3 8 There is a temperature shifting on T1 T2 and T3 if the operation mode judged is changed from Cooling Soft Dry to Heating or vice verse Operation Mode change from Temperature shifts C Cooling Soft Dry Heating 2 Heating Cooling Sof...

Страница 20: ...25 400 370 310 200 E18D 680 640 590 563 510 488 430 410 350 200 E21D 800 750 700 660 600 560 510 480 410 200 Heating Remote Control O O O O O Tab rpm PSHi SSHi SHi Me Me Me Lo Lo SLo SSLo E15D 650 610 600 545 540 495 480 440 300 200 E18D 740 690 640 618 560 553 490 490 320 200 E21D 870 820 770 745 670 655 580 570 370 200 B Indoor Fan Control i Indoor fan control operation outline 1 Cooling Dry 20 ...

Страница 21: ...2 Heating ii Auto Fan Speed 1 Cooling 21 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 22: ...voltage PWM motor it is done once every 0 5 second b Offset duty T max min limit High voltage PWM motor has maximum offset duty Refer Indoor fan motor control basic rotation speed 3 Abnormal Detection Control Conditions a Out of rhythm signal input b If feedback number of rotations exceeded 2550 r min or when less than 50 r min Control Fans stop Return Restart after 5 seconds It will not detect th...

Страница 23: ...Status Shift according to COMP ON OFF ON Status Shift according Cooling zone 40 50 30 90 20 90 20 90 20 to time s Dry zone ON Fan Speed Cooling zone OFF SSLo Auto Fan Speed SSLo OFF SSLo OFF SSLo OFF Dry zone SLo 8 1 7 Outdoor Fan Motor Operation Outdoor fan motor is operated with 15 fan speed It starts when compressor starts operation and it stops 30 seconds after compressor stops operation for s...

Страница 24: ...t using remote control the angles of the vane are as stated above and the positions of the vane are as Figure 2 below When the air conditioner is stopped using remote control the vane will shift to close position 8 1 9 Quiet operation Cooling Mode Cooling area of Dry Mode A Purpose To provide quiet cooling operation compare to normal operation B Control condition a Quiet operation start condition ...

Страница 25: ...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 maintains 6 ...

Страница 26: ...g the outdoor indoor temperature with indoor fan at Lo for 30 seconds After detecting the indoor outdoor temperature the unit determines the operation starting time according to the load However when outdoor unit is operating the preparation starting time will be set to minimum OFF Timer When the OFF timer is set by using the remote control the unit stop operate according to the desired setting No...

Страница 27: ...r Swing OFF Note If POWER LED is blinking the possible operations of the unit are Hot Start during Deice operation operation mode judgment or delay ON timer sampling If Timer LED is blinking there is an abnormality operation occurs 8 1 14 Drain Pump Control Operation To drain out the condensed watar trapped in the drain pan in order to prevent the condensed water from overflowing from the drain pa...

Страница 28: ...r 2 minutes Model E15D E18D E21D Operation Mode X A Y A X A Y A X A Y A Cooling Soft Dry A 7 20 17 8 74 17 11 02 17 Cooling Soft Dry B C 6 30 17 7 70 17 9 59 17 Heating 8 60 17 10 71 17 11 53 17 4 The first 30 minutes of cooling operation A will be applied 8 2 1 4 IPM Power transistor Prevention Control A Overheating Prevention Control 1 When the IPM temperature rises to 100 C compressor operation...

Страница 29: ... temperature is below 4 C During of heating operation Indoor piping temperature indoor suction is under 5 C Control contents compressor stops restart after 3 minutes if happen 2 times within 20 minutes perform the following operation 1 Unit stop operation 2 Timer LED blink and F91 indicated 8 2 1 7 Low Frequency Protection Control 1 When the compressor operate at frequency lower than 25 Hz continu...

Страница 30: ...the Outdoor pipe temperature and carry out below restriction limitation Limit the compressor Operation frequency The compressor stop if outdoor pipe temperature exceeds 63 C If the compressor stops 4 times in 20 minutes Timer LED blinking F95 outdoor high pressure rise protection ii Electrical part temperature rise protection control 1 Purpose To prevent electronic components temperature rise duri...

Страница 31: ...re ceiling floor duct and mini casette c Control contents Hz control is carried out according to the spray prevention status transmitted from indoor Spray prevention status transmitted indoor Control contents Relative control domain MAX domain 0 it usually controls Usually control Usually control 1 rise Relative change control priority On tap up 10 seconds 2 changeless Changeless Changeless 3 down...

Страница 32: ...l setting fan speed is lower Me 2 When the indoor intake air temperature is 35 C or above 8 2 3 2 Outdoor Air Temperature Control The Max current value is regulated in accordance to the outdoor air temperature as shown in the below figures 8 2 3 3 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures...

Страница 33: ...tion detection commences after minimum 60 minutes of Heating Operation The outdoor heat exchanger temperature drops below 3 C for long period minimum 40 minutes during compressor is in operation the deice operation may starts 33 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 34: ...9 Operating Instructions 34 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 35: ...35 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 36: ...36 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 37: ...37 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 38: ...38 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 39: ...39 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 40: ...40 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 41: ...41 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 42: ...xygen deficiency if it leaks into a closed room since it collects in the lower area of the room It also generates toxic gas when it is directly exposed to a flame so it must be used in a well ventilated environment where it will not collect Table 1 Physical comparison of R410A and R22 R410A R22 Composition wt R32 R125 50 50 R22 100 Boiling point C 51 4 40 8 Vaporizing pressure 25 C 1 56 Mpa 15 9 k...

Страница 43: ...cialist Incorrect repairs can result in an water leakage electric shock fire etc 10 2 Tools For Installing Servicing Refrigerant Piping 10 2 1 Necessary Tools In order to prevent an R410A AC from mistakenly being charged with any other refrigerant the diameter of the 3 way valve service port on the outdoor unit has been changed Also to increase its ability to withstand pressure the opposing dimens...

Страница 44: ...Conventional wrenches R410A wrenches For 1 4 opposite side x torque 17 mm x 18 N m 180 kgf cm 17 mm x 18 N m 180 kgf cm For 3 8 opposite side x torque 22 mm x 42 N m 420 kgf cm 22 mm x 42 N m 420 kgf cm For 1 2 opposite side x torque 24 mm x 55 N m 550 kgf cm 26 mm x 55 N m 550 kgf cm Because the pressure is higher for the R410A type the conventional type cannot be used Table 6 Difference between ...

Страница 45: ... CFC and HCFC cannot be used with R410A because there is no chlorine in the refrigerant The present R134a leak detector can be used but the detection sensitivity will be lower setting the sensitivity for R134a at 1 the level for R410A will drop to 0 6 For detecting small amounts of gas leakage use the electric gas leak detector for HFC refrigerant Detection sensitivity with R410A is about 23 g yea...

Страница 46: ...by opening and closing the valve 9 Refrigerant cylinders The R410A cylinders are labeled with the refrigerant name and the coating color of the cylinder protector is pink which is the color stipulated by ARI of the U S Cylinders equipped with a siphon tube are available to allow the cylinder to stand upright for liquid refrigerant charging 10 Charging orifice and packing for refrigerant cylinders ...

Страница 47: ...using a conventional flaring tool use the copper pipe gauge for clearance adjustment etc to ensure the correct A dimension see Fig 10 Fig 10 Flaring dimensions 10 3 1 Piping Materials It is recommended that you use copper and copper alloy jointless pipes with a maximum oil adherence of 40 mg 10m Do not use pipes that are crushed deformed or discolored especially the inside surface If these inferio...

Страница 48: ...ter of the union c Use a torque wrench and tighten to the specified torque The tightening torque for R410A is the same as the conventional torque value for R22 Be careful because if the torque is too weak it may lead to a gas leak If it is too strong it may split the flare nut or make it impossible to remove the flare nut Table 15 R410A tightening torque Nominal diameter Outside diameter mm Tighte...

Страница 49: ...ith a vacuum pump 10 4 Installation Transferring Servicing 10 4 1 Inspecting Gas Leaks with a Vacuum Pump for New Installations Using New Refrigerant Piping 1 From the viewpoint of protecting the global environment please do not release refrigerant into the atmosphere a Connect the projecting side pin pushing side of the charging hose for the manifold gauge to the service port of the 3 way valve 1...

Страница 50: ...he refrigerant piping Even though the replacement AC unit uses the R410A problems occur when for example either the AC unit maker or the refrigerating machine oil is different When replacing an R22 AC unit with an R410A AC unit the following checks and cleaning procedures are necessary but are difficult to do because of the chemical characteristics of the refrigerating machine oil as described in ...

Страница 51: ...e electronic scale 2 3 7 Open the valve of the refrigerant cylinder then open the charging valve slightly and close it Next press the check valve of the manifold gauge and purge the air 2 4 Watch the liquid refrigerant closely at this point 8 After adjusting the electronic scale to zero open the charging valve then open the valve Lo of the manifold gauge and charge with the liquid refrigerant 2 5 ...

Страница 52: ...rom the brazed part 2 Prevention of Overheating Due to heating the interior and exterior surfaces of treated metal may oxidize Especially when the interior of the refrigerant circuit oxidizes due to overheating scale occurs and stays in the circuit as dust thus exerting a fatally adverse effect So make brazing at adequate brazing temperature and with minimum of heating area 3 Overheating Protectio...

Страница 53: ...lectrical work please follow the local national wiring standard regulation and this installation instructions An independent circuit and single outlet must be used If electrical circuit capacity is not enough or defect found in electrical work it will cause electrical shock or fire 6 Use the specified cable and connect tightly for indoor outdoor connection Please clamp the cable firmly so that no ...

Страница 54: ...lace where there is ease for access for the power disconnection in case of emergency In some countries permanent connection of this room air conditioner to the power supply is prohibited 1 Power supply connection to the socket using a power plug Use an approved 15A power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent connection...

Страница 55: ...ant should be added as shown in the table This illustration is for explanation purposes only The indoor unit will actually face a different way 11 2 Indoor Unit 11 2 1 SELECTING THE LOCATION FOR THE INDOOR UNIT Provide a check port on the piping side ceiling for repair and maintenance Install the indoor unit once the following conditions are satisfied and after receiving the customer approval 1 Th...

Страница 56: ...laces as restaurants and kitchens considerable amount of oil steam and flour adhere to the turbo fan the fin of the heat exchanger and the drain pump resulting in heat exchange reduction spraying dispersing of water drops drain pump malfunction etc In these cases take the following actions Make sure that the ventilation fan for smoke collecting hood on a cooking table has sufficient capacity so th...

Страница 57: ...ts generation of oxidized scale in copper pipe 2 When there is a lot of brazings for long piping install a strainer midway of the piping The strainer is locally supplied 3 Use clean copper pipe with inner wall surface free from mist and dust Blow nitrogen gas or air to blow off dust in the pipe before connection 4 Form the piping according to its routing Avoid bending and bending back the same pip...

Страница 58: ...drain connection at the indoor unit is 32mm Piping material Polyvinyl chloride pipe VP 25 and pipe fittings Be sure to perform heat insulation on the drain piping Heat insulation material Polyvinylene foam with thickness more than 8 mm local supply Drain Test The air conditioner uses a drain up motor to drain water Use the following procedure to test the drain up motor operation Connect the main d...

Страница 59: ...C 2 Precautions in high humidity circumstance This air conditioner has been tested according to the JIS Standard Conditions with Mist and have been confirmed that there are no faults However if it is operated for a long time in high humid atmosphere dew point temperature more than 23 C water drops are liable to fall In this case add heat insulation material according to the following procedure Hea...

Страница 60: ...ng direction is determined by the unit direction Only use the screws with the length of 35mm which is provided to fix the decorative panel Do not use other screw which is longer it may cause damage to the drain pan and other components Earth lead wire shall be longer than other wires as shown in the figure for the electrical safety in case of the slipping out of the cord from anchorage 11 2 6 CONN...

Страница 61: ...6 After complete install back removed part follow opposite procedure WARNING Be sure to hook the air inlet grill string to prevent grill from falling and causing injury from it 3 Fit the decorative panel and ceiling wall together and confirm no gap in between Readjust indoor unit height if there is a gap between ceiling wall and decorative panel 61 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E2...

Страница 62: ...size Torque Gas Liquid 1 2 55 N m 1 4 18 N m 11 3 Outdoor Unit 11 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 11 3 2 INSTALL THE OUTDOOR UNIT 11 3 3 CONNECTING THE PIPING 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 located at valve onto the copper pipe Ali...

Страница 63: ...ve minutes Note BE SURE TO FOLLOW THIS PROCEDURE IN ORDER TO AVOID REFRIGERANT GAS LEAKAGE 5 Disconnect the charging hose from the vacuum pump and from the service port of the 3 way valve 6 Tighten the service port caps of the 3 way valve at torque of 18 N 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...

Страница 64: ...ning the screw 2 Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 1 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord 3 Secure the cable onto the control board with the holder clamper 4 Cable connection to the power supply through knife switch Disconnecting means Connect the approved polychloroprene sheathed power supply cable 3 x 2 5...

Страница 65: ...Short Short C Open Short D Is there any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connections Is the connecting cable being fixed to the terminal board firmly Is the connecting cable being clamped firmly Is the drainage OK Is the Earth wire connection properly done Is the cooling operation normal Is the indoor unit property secured to the installati...

Страница 66: ...order to check the specification and technical data Below are the methods used to obtain rated compressor operating specification a Cooling i Press the Auto button continuously for 5 seconds or less than 8 seconds the air conditioner starts operation at Cooling rated frequency beep will be heard at the 5th second ii Short the service terminal CN S of the outdoor printed circuit board The operation...

Страница 67: ...frigeration 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 67 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 68: ...immediately stop its operation Timer LED is blinking and maximum of three error codes abnormality will be saved in memory The abnormality of the operation can be identified through the below breakdown diagnosis method Press CHECK button at remote control continuously for more than five seconds to turn on the diagnosis mode H11 will be displayed at remote control By pressing the TMER button once ne...

Страница 69: ...n Motor H98 Indoor high pressure protection Air filter dirty Air circulation short circuit H99 Indoor heat exchanger anti freezing protection Insufficient refrigerant Air filter dirty F11 Cooling Heating cycle changeover abnormality 4 times occurance within 30 minutes 4 way valve V coil F90 PFC control 4 times occurance within 10 minutes Voltage at PFC F91 Refrigeration cycle abnormality 7 times o...

Страница 70: ...ode could be selected The indoor unit will only operate when received signal with same transmission code from remote control This could prevent signal interference when there are 2 or more indoor unit installed nearby together To change remote control transmission code short or open jumpers at the remote control printed circuit board Under various setting mode after select the transmission code co...

Страница 71: ... unit still operates with Forced Cooling Operation Press Timer Decrement button of remote control for 5 seconds to activate the standby mode where beep sound is heard In Various Setting Mode the unit captures remote control transmission code when Check button is pressed In Individual Correspondence Mode press Check button at remote control to enter remote control signal receiving sound selection m...

Страница 72: ... connector CN FM WHT connector CN TH1 WHT connector CN TH2 BLU connector CN DRMTR1 BLU connector AC01 BLK AC02 WHT and CN DRMTR2 RED from Terminal Board G01 GRN screw Two T BLK connectors CN T1 WHT CN T2 YLW 4 To remove the Electronic Controller release the 6 hooks that hold it to the Control Board Fig 4 Fig 1 Fig 2 Fig 3 Fig 4 12 5 Disassembly of Parts 72 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18D...

Страница 73: ...Air Guider and Drain Pan complete by removing the screws Fig 6 7 Remove the Turbo Fan by removing the bolt Fig 7 8 Remove the Fan Motor by release the Fan Motor lead wire connectors and Fan Motor screws Fig 8 Fig 5 Fig 6 Fig 7 Fig 8 73 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 74: ...andling electronic controller be careful of electrostatic discharge Be save 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 Fig 11 74 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 75: ...13 Technical Data 13 1 Operation Characteristics 13 1 1 CS E15DB4EW CU E15DBE 75 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 76: ...13 1 2 CS E18DB4EW CU E18DBE 76 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 77: ...13 1 3 CS E21DB4ES CU E21DBE 77 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 78: ...46 1 51 4 14 3 33 1 61 3 76 3 16 1 74 19 0 C 4 80 1 53 19 5 C 5 23 3 78 1 43 4 89 3 63 1 54 4 55 3 50 1 64 4 13 3 33 1 77 22 0 C 5 70 3 92 1 45 5 32 3 77 1 56 4 95 3 64 1 67 4 50 3 47 1 80 CS E21DB4ES CU E21DBE Outdoor Temp C Indoor wet bulb temp 30 35 40 46 TC SHC IP TC SHC IP TC SHC IP TC SHC IP 17 0 C 5 85 4 44 1 88 5 47 4 26 2 02 5 09 4 09 2 16 4 63 3 89 2 33 19 0 C 5 90 2 05 19 5 C 6 43 4 65 ...

Страница 79: ...14 Exploded View Indoor Unit 14 1 CS E15DB4EW CS E18DB4EW CS E21DB4ES 79 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 80: ...e above exploded view is for the purpose of parts disassembly and replacement The non numbered parts are not kept as standard service parts 80 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 81: ...e Complete 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 81 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 82: ...VAPORATOR SUPPORTER 3 CWD911529A 25 TUBE ASS Y CAPIL TUBE 1 CWT07K1188 26 DRAIN PUMP COMPLETE 1 CWB53C1015 27 PANEL DRAIN PUMP ASS Y 1 CWD93K1008 28 DRAIN PUMP 1 CWB532043 29 ANTI VIBRATION BUSHING 3 CWH501080 30 FLOAT SWITCH DRAIN PUMP 1 CWA121215 31 FLEXIBLE PIPE 1 CWH85C1033 32 DRAIN NOZZLE 1 CWH411011 33 DRAIN HOSE HEAT INSULATION 1 CWG321050 35 DRAIN PAN COMPLETE 1 CWH40C1034 36 DRAIN PLUG 1 ...

Страница 83: ...6 CWH641008 11 LEAD WIRE A S MOTOR 1 CWA67C5117 12 PLATE COVER FOR A S MOTOR 1 CWD911459 13 PLATE COVER FOR CONNECTING SHAFT 2 CWD911460 14 PLATE COVER FOR END SHAFT 1 CWD911461 21 ELECTRONIC CONT RECEIVER INDICATOR 1 CWA743610 22 LEAD WIRE COMPLETE 1 CWA67C5576 24 INTAKE GRILLE 1 CWE221131 28 LEVER ARM 2 CWH651029 29 AIR FILTER 1 CWD001142 Note All parts are supplied from PHAAM Malaysia Vendor Co...

Страница 84: ...15DBE CU E18DBE CU E21DBE 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 84 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 85: ...1 29 SENSOR COMPLETE COMP DISC 1 CWA50C2180 30 SENSOR COMPLETE 1 CWA50C2181 31 REACTOR 1 CWA421069 32 CONTROL BOARD CASING SIDE 1 CWH102273 33 TERMINAL BOARD ASSY 1 CWA28K1110 34 FUSE HOLDERS 1 K3GB1PH00016 35 FUSE 1 K5D303BBA002 36 CONTROL BOARD CASING TOP 1 CWH102204 37 CONTROL BOARD CASING BOTTOM 1 CWH102282 38 ELECTRONIC CONTROLLER MAIN 1 CWA73C1767R CWA73C1768R CWA73C1769R O 40 CONTROL BOARD ...

Страница 86: ... R42 10k R41 10k R43 1k C26 0 1µ C02 0 01µ C01 0 01µ C25 100µ 16V R03 1k R14 5 1k R28 1k R22 1k R11 1k R12 10k R21 10k R29 10k JP7 JP6 F TEST S TEST JP5 IC02 1 3 8 4 6 7 2 5 D0 CS RST SCK BUSY D1 JP8 R37 10kΩ R34 10kΩ R32 100kΩ C20 0 01µ R38 10kΩ R35 10kΩ 5V IC06 C0EBH0000282 C27 2 2µ 50V I G O C15 0 01µ C32 0 01µ IC07 B1HBGFF00005 IC05 B1HBGFF00005 1 2 3 4 5 6 7 16 SSR02 15 14 13 12 11 10 9 8 SSR...

Страница 87: ...ADVV Vdd Vss P37 P36 P35 P34 P33 P32 T01 T00 P67 P66 P65 P64 RTP07 RTP06 RTP05 RTP04 RTP03 RTP02 Vss P07 INTP5 INTP4 INTP3 INTP2 INTP1 INTP0 NMI AVREF AVSS AN17 AN16 AN15 P41 P42 P43 P44 P45 P46 P47 P50 P51 P52 P53 P54 Vss P55 P56 P57 P60 P61 P62 P63 R17 360 R18 360 C38 R46 10k R48 1k C22 1µ C23 1µ X01 R30 150k JP4 JP3 JP1 JP2 C21 R09 10k R10 10k R20 10k R19 10k SW01 High Static Pressure C30 0 01µ...

Страница 88: ...N T2 1 2 CN V2 2 3 4 1 DB03 C17 3300µF 35V C13 470µF 63V C11 0 22µ C16 470µF 25V C18 100µF 16V 12V IC04 O G I 5V IC03 O G I R61 5 1kΩ R05 22kΩ 1 4W R69 22kΩ 1 4W R59 7 5Ω 10W R66 82kΩ 1 4W R65 82Ω 1 4W R64 82kΩ 1 4W R63 82kΩ 1 4W DB02 C33 C37 270µ 450V SSR02 CR02 C19 L01 ZNR01 511U FUSE01 T3 15A L 250V C24 SSR01 CR01 1 2 CN V1 4 1 2 3 PC05 B3PAA0000209 R26 6 2kΩ 1 4W R23 6 2kΩ 1 4W 4 1 2 3 PC03 B3...

Страница 89: ...0k R24 1 21k R53 5 6k R52 47k Q03 2SD2531 C06 1000p 2 4 6 7 5 3 1 CN FM 4 1 2 3 PC04 B3PAAD000209 R47 7 5k C36 0 47µ 25V C12 22µ 50V R67 6 2kΩ 1 4W R68 6 22kΩ 1 4W ZD03 ZD04 Q04 UNR211L c e b R07 4 75k R06 10kΩ R01 1kΩ R08 5 62k ZD05 1 2 1 2 3 3 Table 1 High Static Pressure High Usual SW01 ON OFF Table 3 MIST Protection Without Mist Protection With Mist Protection JX1 Jumper None Table 2 Drain Pum...

Страница 90: ...5TA5 R33 698Ω 1 R32 100k R89 10k R97 1k c b e Q1 2SC3852 R21 5 6k R20 20k 1 R26 47k 4 1 2 3 c e b Q2 RT1N432 10k 4 7k R29 680Ω R93 100k 1 4W R94 100k 1 4W R95 100k 1 4W 1 2 3 4 C E G 1 2 3 4 1 LJP2 LJP3 LJP4 LJP5 LJP6 LJP8 LJP9 LJP10 RY C R61 10k R65 47Ω Q5 2SC3441 Q6 2SA1366 R58 0 839Ωx2 5W 5W R60 10Ω R63 200Ω C30 1500p c b e e b c 4 1 2 3 4 3 2 PC5 TLP421 PC4 TLP421 R70 470Ω DB2 RBV 1506 DB1 Q3 ...

Страница 91: ... FUSE2 T 3 15A L 250V C57 0 22µ 630V C61 22µ 35V C89 0 1µ 16V C48 0 01µ C35 10µ C39 0 047µ 25V C41 0 01µ C44 0 82µ 50V C32 10µ 50V C37 0 047µ 25V C40 0 82µ C55 0 01µ C68 0 01µ 400V C59 220P 2kV 3 2 1 6 5 4 ZD6 MAZ4047 C115 0 047µ C65 R126 R122 0 1Ω R47 39k 1 4W R136 4 7Ω 1 4W R158 C75 C67 680P C85 3900P 50V D36 4 1 2 3 PC6 PC817E7 IC5 MM1431 R141 1k R140 2 2k R144 27k R150 100Ω R64 4 7k R149 3 30k...

Страница 92: ...0 56 42 84 43 83 44 82 45 81 21 55 22 54 23 53 24 52 25 51 46 80 47 79 48 78 49 77 50 76 D2 R7 1k C18 0 01µ C113 0 1µ C9 3900p C15 3900p D4 C21 0 1µ 16V D13 HRU0103A2 D3 R38 47k R44 10k R24 JX1 R25 R14 200k C117 0 1µ C12 C23 10µ 50V C24 0 047µ 25V R197 10k R50 1k R77 10k R78 30k R198 10k R196 10k R195 10k 1 2 CN S 2 1 3 CN DIS CN CPU R45 10k R55 1k R88 10k R96 10k R74 10k R81 1k R84 10k 2 1 CN STE...

Страница 93: ...TL3472 IC8 TL3472 C70 47µ 25V C87 470p R138 33Ω 2W R127 20k ZD7 R192 R186 R187 R184 R185 R182 R183 R180 R181 R178 R179 R176 R177 R174 R175 R172 R173 R170 R171 R168 R169 R135 10k R129 4 99k R152 20k R142 2 49k R146 27 4k R132 4 99k R137 39 2k R143 1 40k R123 2k C58 1000P R166 200k R119 1k R124 39 2k R167 82 5Ω R205 8 0Ω 2 4 6 7 5 3 1 CN FM R189 4 7k 10k R164 10k R163 5 11k R162 5 11k R134 1k C72 10...

Страница 94: ... time 2 min 0 sec Self diagnosis display time 10 sec 0 sec Auto mode judgement sampling time 20 sec 0 sec 24 hours Real Timer 1 hour 1 min Heating SSHi fan speed shift 120 min 12 sec Cooling SHi fan speed shift 30 min 3 sec Hot start forced completion 4 min 0 4 sec Auto mode judgement interval 30 min 3 sec After Hot start Deice 2 min 12 sec TIMER TABLE OUTDOOR Test mode Name Time When test point S...

Страница 95: ...18 3 Remote Control 95 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 96: ...18 4 Print Pattern Indoor Unit Printed Circuit Board 96 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE ...

Страница 97: ...18 5 Print Pattern Outdoor Unit Printed Circuit Board View 97 CS E15DB4EW CU E15DBE CS E18DB4EW CU E18DBE CS E21DB4ES CU E21DBE PHAAM Printed in Malaysia ...

Страница 98: ......

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