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8.2. Protection Control Features

8.2.1. Protection Control For All Operations

8.2.1.1. Time Delay Safety Control

1. The compressor will not start for three minutes after stop of operation.

2. This control is not applicable if the power supply is cut off and on again or after 4-way valve deices condition.

8.2.1.2. 30 Seconds Forced Operation

1. Once the compressor starts operation, it will not stop its operation for 30 seconds.

2. However, it can be stopped using remote control or Auto Switch at indoor unit.

8.2.1.3. Total Running Current Control

1. When the outdoor unit total running current (AC) exceeds X value, the frequency instructed for compressor operation will be

decreased.

2. If the running current does not exceed X value for five seconds, the frequency instructed will be increased.

3. However, if total outdoor unit running current exceeds Y value, compressor will be stopped immediately for 2 minutes.

E24DK

Operation Mode

X (A)

Y (A)

Cooling/Soft Dry (A)

12.8

20.0

Cooling/Soft Dry (B)

10.3

20.0

Heating

13.0

20.0

4. The first 30 minutes of cooling operation, (A) will be applied.

CS-E24DKE CU-E24DKE

Содержание CS-E24DKE

Страница 1: ...tion is a violation of law CS E24DKE CU E24DKE 8 2 Protection Control Features 31 9 Operating Instructions 41 10 Installation And Servicing Air Conditioner Using R410A 47 10 1 Outline 47 10 2 Tools For Installing Servicing Refrigerant Piping 48 10 3 Refrigerant Piping Work 52 10 4 Installation Transferring Servicing 54 11 Installation Instructions 58 11 1 Safety Precautions 58 11 2 Indoor Unit 61 ...

Страница 2: ... with Super Alleru Buster Inactive various harmful airbone elements including allergens viruses and bacteria Generated supersonic waves enhance the ability to collect dust and dirt in the air 16 Exploded View Outdoor Unit 81 16 1 CU E24DKE 81 17 Replacement Parts List Outdoor Unit 82 17 1 CU E24DKE 82 18 Electronic Circuit Diagram 83 18 1 Indoor Unit 83 18 2 Outdoor Unit 86 18 3 Remote Control 91 ...

Страница 3: ...ON Timer and OFF Timer setting and cancellation CLOCK Powerful Mode Operation POWERFUL Increase or decrease set temperature 16 C to 30 C Vertical Automatic Airflow Direction Control and Manual Airflow Direction Control 5 stages of adjustment Horizontal Automatic Airflow Direction Control and Manual Airflow Direction Control 5 stages of adjustment Indoor Fan Speed Selection FAN SPEED Low Medium Med...

Страница 4: ... cooling or heating 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 Powerful Mode is selected Green Lights up in Ionizer Mode Operation Blinks in Ionizer error SUPER ALLER...

Страница 5: ...ntrol Anti Freezing Control Low Pressure Control Gas Leakeage Detection Breakdown Self Diagnosis Function Anti Cold Draft Control High Pressure Control Hot Start Intake Air Temperature Control Deodorizing Control Deice Operation 5 CS E24DKE CU E24DKE ...

Страница 6: ... Deice Operation Standby 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 6 CS E24DKE CU E24DKE ...

Страница 7: ...ng 12 8 450 Heating 14 0 490 Me m3 min cfm Cooling 14 8 520 Heating 16 0 570 Hi m3 min cfm Cooling 16 9 600 Cooling 52 0 1 840 Heating 18 3 660 Heating 50 5 1 780 dB A Cooling High 47 Low 38 Cooling 52 Heating High 47 Low 38 Heating 52 Noise Level Power level dB Cooling High 60 Cooling High 66 Heating High 60 Heating High 66 Electrical Data Input Power W Cooling 2 410 380 2 990 Heating 2 710 350 3...

Страница 8: ...s Transistor 8 poles Rate Output W 30 60 Fan Speed Lo Cool Heat rpm 1 200 1 310 Me Cool Heat rpm 1 390 1 500 Hi Cool Heat rpm 1 580 1 690 830 810 Heat Exchanger Description Evaporator Condenser Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Blue Coated Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 15 2 28 FPI 21 18 Size W H L mm 810 315 25...

Страница 9: ...4 Dimensions 4 1 Indoor Unit Remote Control 9 CS E24DKE CU E24DKE ...

Страница 10: ...4 2 Outdoor Unit 10 CS E24DKE CU E24DKE ...

Страница 11: ...5 Refrigeration Cycle Diagram 11 CS E24DKE CU E24DKE ...

Страница 12: ...6 Block Diagram 12 CS E24DKE CU E24DKE ...

Страница 13: ...7 Wiring Diagram 13 CS E24DKE CU E24DKE ...

Страница 14: ...icrocomputer at indoor unit that judging the condition according to internal setting temperature and intake air temperature 8 1 1 Internal Setting Temperature Once the operation starts remote control setting temperature will be taken as base value for temperature shifting processes These shifting processes are depending on the air conditioner settings and the operation environment The final shifte...

Страница 15: ... 5 X 9 1 25 1 00 1 X 5 0 75 1 00 3 X 1 1 50 1 00 X 3 1 50 1 00 Table c Powerful Mode Shifting Mode Period X min Temperature Shift C Cooling X 20 2 0 X 20 0 0 Soft Dry X 20 1 0 X 20 0 0 Heating X 20 3 5 X 20 3 5 Table d Fan Speed Shifting Mode Fan Speed Temperature Shift C Cooling All 0 25 Soft Dry All 0 0 Heating Lo 2 0 Me Me Me Auto Hi 1 5 Table e Start Up Shifting Mode within 60 Minutes from Sta...

Страница 16: ...3 0 1 0 1 5 3 2 1 5 2 5 0 5 11 10 13 3 1 0 2 0 0 0 15 12 17 4 0 5 1 5 0 5 18 14 21 5 0 0 1 0 1 0 22 16 26 6 0 5 0 5 1 5 25 18 32 7 1 0 0 0 2 0 28 21 35 Fh 8 1 5 0 5 2 5 30 24 35 Fc Fh 9 2 0 1 0 3 0 30 27 35 Fc Fh 10 2 5 1 5 3 5 30 30 35 Fc Fh 11 Nil Nil 4 0 Nil Nil 35 Fh 12 Nil Nil 4 5 Nil Nil 35 Fh Operating Frequency Calculation Formula Remarks When Freq H is equal to 30 Cooling 35 Heating or ab...

Страница 17: ...1 5 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 0 5 C 8 1 6 Automatic Operation This mode can be set using remote control and the operation is decided by remote control setting temperature indoor intake air temperature and outdoor air temperature During operation mode judgment indoor fan motor with speed of Lo and o...

Страница 18: ...ing Cooling Soft Dry 2 Example of operation mode chart adjustment From the above table if remote control setting temperature 25 T1 25 7 32 T2 25 6 31 T3 25 7 18 The operation mode chart for this example is as shown in below figure and the operation mode to be performed will depend on indoor intake air temperature and outdoor air temperature at the time when the judgment is made 8 1 7 Indoor Fan Mo...

Страница 19: ...B Indoor Fan Control i Indoor fan control operation outline 1 Cooling Dry 2 Heating 19 CS E24DKE CU E24DKE ...

Страница 20: ...hange In up zone 10 rpm is added for every 10s until Maximum 1520 rpm E24DK b DOWN The fan speed will be decreased one step every 10 sec until Minimum 1270 rpm c Current Output Fixed Maintain at present fan speed d Instantaneous Maximum Fan speed will be increased to maximum auto fan speed e Temperature in is for Powerful Mode operation 20 CS E24DKE CU E24DKE ...

Страница 21: ...tting fan speed Hi 5 Outdoor temperature 4 C 6 Operation start 2 hours If any of above conditions is not valid the condition is ended C Fan Motor Control i Motor specification High voltage PWM Motor ii Feedback Control 1 Rotation speed feedback Immediately after the fan started rpm is checked and duty is added and feedback control is performed iii Abnormal Detection 1 Condition Step out signal inp...

Страница 22: ... is OFF 4 5 4 5 Shift to 1 when COMP is ON Start from 4 if the Thermostat is OFF during the start operation Odor Status 1 2 3 4 5 4 5 4 5 4 1 Status Shift according to COMP ON OFF ON Status Shift according Cooling zone 40 50 20 90 20 90 to time s Dry zone ON Fan Speed Cooling zone OFF SLo Auto Fan Speed SLo OFF SLo OFF Dry zone OFF SLo OFF 8 1 8 Outdoor Fan Motor Operation Outdoor fan motor is ope...

Страница 23: ...Operation Mode Airflow Direction Vane Angle 1 2 3 4 5 Heating Auto with Heat Exchanger A 19 Temperature B 49 C 8 D 8 Manual 8 17 33 49 60 Cooling Soft Dry and Fan Ion Auto 8 38 Manual 8 17 25 33 38 Mode Judgment in Auto Auto 8 Manual 8 17 25 33 38 1 Automatic vertical airflow direction can be set using remote control the vane swings up and down within the angles as stated above For heating mode op...

Страница 24: ...wings left and right within the angles as stated below For heating mode operation the angle of the vane depends on the indoor heat exchanger temperature as Figure 1 below Operation Mode Vane Angle Heating with heat exchanger temperature A 18 62 B 90 Cooling Soft Dry and Fan Ion 18 62 2 Manual horizontal airflow direction can be set using remote control the angles of the vane are as stated below an...

Страница 25: ...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 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised D Control contents 1 Fan speed is change...

Страница 26: ... 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 5 During quiet operation if timer on activates quiet operation maintains 6 After off when on back quiet operation is not memorised C Control contents a Fan Speed manual 1 Fan speed is changed from normal setti...

Страница 27: ...is is to provide a comfortable environment when reaching the set ON time Seventy minutes before the set time indoor at fan speed of Lo and outdoor fan motor start operate for 30 seconds to determine the indoor intake air temperature and outdoor air temperature in order to judge the operation starting time From the above judgment the decided operation will start operate earlier than the set time as...

Страница 28: ...on mode judgment or delay ON timer sampling If Timer LED is blinking there is an abnormality operation occurs If Ionizer LED is blinking there is an abnormality of Ionizer occurs 8 1 16 Auto Operation Switch 1 When the switch is pressed between 0 to 5 seconds Auto Mode operation starts to function 2 When the switch is pressed between 5 to 8 seconds the unit is forced to operate in Cooling Mode 3 W...

Страница 29: ...minates but power LED maintain off 1 2 However fan speed can be adjusted later by customer during this operation Airflow direction Horizontal Vane control Follow vane direction control at cooling mode Horizontal vane can be changed by customer during ion only operation b Operation Mode Ionizer Operation 1 Ionising Operation Start Condition When air conditioner unit is in ON condition Heat Cool Dry...

Страница 30: ...ote control ion button for a ON Ion LED blink buzzer beep b OFF Ion LED OFF buzzer beep ii iii Reset power Off by force operation BREAKDOWN PROTECTION i ii Actual ion OFF ion feedback signal 5V i Actual ion OFF 2s i Case 1 During Air Con ON Air Cond OFF with abnormal no H26 is activated with timer LED is blinking permanently i When anytime CONDITION becomes false i Case 2 During Air Con OFF Abnorm...

Страница 31: ...opped using remote control or Auto Switch at indoor unit 8 2 1 3 Total Running Current Control 1 When the outdoor unit total running current AC exceeds X value the frequency instructed for compressor operation will be decreased 2 If the running current does not exceed X value for five seconds the frequency instructed will be increased 3 However if total outdoor unit running current exceeds Y value...

Страница 32: ...this condition repeats continuously for seven times all indoor and outdoor relays will be cut off 8 2 1 5 Compressor Overheating Prevention Control Instructed frequency for compressor operation will be regulated by compressor top temperature The changes of frequency are as below figure 8 2 1 6 Low Pressure Prevention Control Gas Leakage Detection 1 When the conditions listed in below table occur t...

Страница 33: ...ill change to 20 Hz Temperature T for Cooling Soft Dry Heating Indoor intake air C T 15 or T 30 Outdoor air C T 16 or T 38 T 4 or T 24 Indoor heat exchanger C T 30 T 0 8 2 1 10 Low Frequency Protection Control 3 If Compressor operation frequency reduce from 20 Hz the frequency will be fixed for 20 Hz for 3 min before reduce to min frequency 8 2 1 11 Minimum Frequency Protection Control During cool...

Страница 34: ...or Operation frequency The compressor stop if outdoor pipe temperature exceeds 62 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 To prevent electrical component temperature rise during cooling overload Judgement condition is by outdoor temperature sampled every 10s Control contents ...

Страница 35: ...d will return to its normal operation 8 2 2 4 Anti Dew Formation Control a Control 1 This control is perform if the following conditions is fulfilled during cooling dry operation i Control Start Condition 1 Indoor Intake Temperature 24 C above 2 Outdoor Temperature Refer below 3 Remote Control Setting Temperature 16 C above below 30 C 4 Fan tab Refer below Control start after 1 4 continued for mor...

Страница 36: ...t to 2nd position and Vertical vane shift to center position 1 Indoor intake air temperature is 25 C or above and less than 29 C 2 Outdoor air temperature is less than 30 C 3 Air vane control Manual Horizontal Airflow and Manual Vertical Airflow 4 Fan speed is quiet Lo 8 2 3 Protection Control For Heating Operation 8 2 3 1 Anti Cold Draft Control Indoor fan speed varies in accordance to indoor hea...

Страница 37: ...100 rpm c Current Output Fixed Maintain at present fan speed d Instantaneous Maximum Fan speed will be increased to maximum auto fan speed e Temperature in is for Powerful Mode operation 8 2 3 2 Intake Air Temperature Control Compressor will operate at freq 67 Hz if either one of the below conditions occur 1 When the indoor intake air temperature is above 10 C and remote control setting fan speed ...

Страница 38: ...minute after the compressor starts 8 2 3 4 Overload Protection Control The compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures 8 2 3 5 Outdoor Temperature Control Outdoor temperature is detected and the following control is perform Control operates after more than 1 minute the compressor has started 38 CS E24DKE CU E24DKE ...

Страница 39: ...eice operation as relationship for outdoor piping temperature and time T5 the priority given to the condition which is first fulfilled and shift to the next mode First deice after operation restricted to 60 min above No restart operation if compressor OFF for sequence No 1 7 Instantaneous restart Outdoor heat exchanger temperature a 15 C b 18 C c 25 C 39 CS E24DKE CU E24DKE ...

Страница 40: ...mingly ON signal transmit on outdoor FM 7 After 59 sec lapsed after deice operation completion signal generated 4 way valve indoor fan is ON compressor frequency become FREE and recover to normal heating operation 4 Deice operation judgement condition When any of below a b c d condition is satisfied deice signal is produced a Continuously outdoor heat exchanger temperature 3 C for 120 minutes and ...

Страница 41: ...will cause leakage electric shock or ﬁre Please consult an authorized dealer or specialist for the installation work Caution This air conditioner must be earthed Improper grounding will cause electric shock Ensure that the drainage piping is connected properly Otherwise water will leak Current leakage protection equipment must be installed Otherwise electric shock or ﬁre may occur Do not install t...

Страница 42: ...ioning Action Operation mode Press once Automatic Operation Press until beep sound and release Cooling Operation Press until beep sound and release Press again until beep beep sound and release Heating Operation To OFF press again the Auto OFF ON button Auto OFF ON Button 1 Pull out 2 Insert batteries AAA or R03 5 Press again to conﬁrm Timer operation will be based on current time set The batterie...

Страница 43: ...been obstructed To save electricity close the curtains when using air conditioner to prevent sunlight and heat from coming in Hint AUTO Automatic Operation Enables you to enjoy the cooling effect at your preferred setting temperature COOL Cooling Operation Enables you to set the desired temperature at low fan speed which provides you with the dehumidifying surroundings DRY Soft Dry Operation The u...

Страница 44: ...surrounding area during operation To avoids unintended cooling effect HOW TO OPERATE Hints If you wish to have the cool air blowing directly on you set the airﬂow direction downward but not for an excessive length of time as it may harm your health Approximately 10 of electricity can be saved if you set the temperature 1 C higher in cooling operation or 2 C lower in heating operation than the desi...

Страница 45: ...ge the time format from 24 hours to AM PM format For your convenience you could set the air conditioner to operate automatically by using both ON and OFF timer Hint Troubleshooting TIMER indicator always on Timer is activated and the setting will repeat itself daily POWER indicator is blinking 35 minutes before ON timer is activated The unit is determining the operation mode by sensing the room te...

Страница 46: ... neutral household detergent pH7 only Do not use water with temperature higher than 40 C Pre season Inspection Preparation for extended Non operation It is recommended to clean the ionizer every 6 months IONIZER SUPERSONIC AIR SUPERSONIC AIR PURIFYING DEVICE PURIFYING DEVICE Vacuum the super alleru buster ﬁlter Vacuum wash and dry the frame Remove Raise and pull to remove Wash and dry Vacuum wash ...

Страница 47: ... this it can cause an oxygen 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 pressu...

Страница 48: ...pair work done by a specialist 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 press...

Страница 49: ...orque wrenches Table 5 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 Tabl...

Страница 50: ...rch that were used with 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 ...

Страница 51: ...rging is done manually 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...

Страница 52: ...size before using When 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 s...

Страница 53: ...face with the axial center 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 Out...

Страница 54: ...ith nitrogen or dried with 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 po...

Страница 55: ...t you should re flare the 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 machi...

Страница 56: ...e connection port of the 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 ...

Страница 57: ...orrosion should occur from 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 ...

Страница 58: ...lectrical shock 4 Install at a strong and firm location which is able to withstand the set s weight If the strength is not enough or installation is not properly done the set will drop and cause injury 5 For electrical work follow the local national wiring standard regulation and this installation instruction An independent circuit and single outlet must be used If electrical circuit capacity is n...

Страница 59: ...hall be the place 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 receptacle using a power plug Use an approved 20A power plug with earth pin for connection to the receptacle 2 Power supply connection to a circuit breaker for the per...

Страница 60: ...installation height for indoor unit shall be at least 2 5 m OUTDOOR UNIT If an 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 obstac...

Страница 61: ... off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70 mm hole core drill Line according to the arrows marked on the lower left and right side of the installation plate The meeting point of the extended line is the centre of the hole Another method is by putting measuring tape at position as shown in the diagram above The hole centre is obtained by measuring the d...

Страница 62: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 62 CS E24DKE CU E24DKE ...

Страница 63: ...athed 4 2 5 mm2 flexible cord type designation 245 IEC 57 or heavier cord Ensure the color 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...

Страница 64: ... below operations will be performed by pressing the AUTO switch 1 AUTO OPERATION MODE The Auto operation will be activated immediately once the Auto Switch is pressed 2 TEST RUN OPERATION FOR PUMP DOWN SERVICING PURPOSE The Test Run operation will be activated if the Auto Switch is pressed continuously for more than 5 sec A beep sound will occur at the fifth sec in order to identify the starting o...

Страница 65: ...the table MODEL Piping size Torque Gas Liquid E24DK 5 8 65 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 v...

Страница 66: ... 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 wrench 4 mm 8 Mount valve caps onto the 2 way valve and the 3 way valve Be sure to check for gas leakage CAUTION If gauge needle does not move from 0 cmHg 0 MPa to 76 cmHg 0 ...

Страница 67: ... any gas leakage at flare nut connections Has the heat insulation been carried out at flare nut connection Is the connecting cable being fixed to terminal board firmly Is the connecting cable being clamped firmly Is the drainage OK Refer to Check the drainage section Is the earth wire connection properly done Is the indoor unit properly hooked to the installation plate Is the power supply voltage ...

Страница 68: ...be sure to heat the Pb free solder until it melts before applying Pb solder 12 2 Troubleshooting During troubleshooting and servicing rated compressor operating frequency must be obtained in 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 sec...

Страница 69: ...efore 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 69 CS E24DKE CU E24DKE ...

Страница 70: ...it will 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...

Страница 71: ...irculation 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 occurance continuously No refrigerant 3 way valve is closed F93 Out...

Страница 72: ...s happen remove the cover of the remote control and push the reset point once to clear the memory data Changing the wireless remote control transmission code When there are more than one indoor units installed in the same room it is possible to set different remote control receiving signal by modifying the jumpers inside Remote Control 12 4 Remote Control 72 CS E24DKE CU E24DKE ...

Страница 73: ... screw Fig 3 Release the CN REC DISP connector Fig 3 Release the 2 Particular Piece Fig 3 Release the CN ION connector Fig 4 Release the CN SONIC connector Fig 4 Release the CN TH connector Fig 4 Release the CN MAIN connector Fig 4 Release the CN STM1 connector Fig 4 Release the CN STM2 connector Fig 4 Release the hook that hold the Main Electronic Controller Fig 4 3 To remove the Power Electronic...

Страница 74: ...5 f Release the CN SONIC connector Fig 5 g Release the CN STM2 connector Fig 5 h Release the CN STM1 connector Fig 5 i Pull out the Drain Hose from outlet to remove the Discharge Grille Fig 5 2 Release the ION connectors Fig 6 3 Release the screws you will be able to remove the Control Board Fig 6 4 Remove the screw at the Cross Flow Fan Fig 7 5 Remove the Bearing Fig 8 6 Remove the screws at the ...

Страница 75: ...from shaft By then Fan Motor can be taken out Fig 9 REMINDER To reinstall the Fan Motor put it back in place adjust the position of the Fan Motor s leadwire appropriately as shown in the Fig 7 before installing the Cross Flow Fan Fig 9 75 CS E24DKE CU E24DKE ...

Страница 76: ...e 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 19 12 7 Outdoor Electronic Controller Removal Procedure 76 CS E24DKE CU E24DKE ...

Страница 77: ...13 Technical Data 77 CS E24DKE CU E24DKE ...

Страница 78: ... 2 37 5 86 4 71 2 54 5 33 4 48 2 74 19 0 C 6 80 2 41 19 5 C 7 41 5 35 2 25 6 92 5 14 2 42 6 44 4 95 2 59 5 85 4 71 2 79 22 0 C 8 07 5 55 2 29 7 54 5 34 2 46 7 02 5 15 2 63 6 38 4 91 2 84 TC Total Cooling Capacity kW Indoor 27 C 19 C SHC Sensible Heat Capacity kW Outdoor 35 C 24 C IP Input Power kW 78 CS E24DKE CU E24DKE ...

Страница 79: ...loded View Indoor Unit 14 1 CS E24DKE 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 79 CS E24DKE CU E24DKE ...

Страница 80: ...R 1 CWA743304 0 24 INDICATOR RECEIVER COMPLETE 1 CWE39C1116 0 25 INDICATOR HOLDER 1 CWD932435 26 INDICATOR HOLDER 1 CWD932436 27 SENSOR COMPLETE 1 CWA50C2122 0 28 CONTROL BOARD TOP COVER 1 CWH131209 29 CONTROL BOARD FRONT COVER 1 CWH131210 30 REMOTE CONTROL COMPLETE 1 CWA75C2616 0 31 FRONT GRILLE COMPLETE 1 CWE11C3160 0 32 INTAKE GRILLE COMPLETE 1 CWE22C1159 33 GRILLE DOOR 1 CWE141076 34 AIR FILTE...

Страница 81: ...loded View Outdoor Unit 16 1 CU E24DKE 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 E24DKE CU E24DKE ...

Страница 82: ...IDE 1 CWH102122 33 TERMINAL BOARD ASSY 1 CWA28K1036 O 34 FUSE HOLDERS 1 K3GB1PH00016 35 FUSE 1 K5D303BBA002 36 CONTROL BOARD TOP 1 CWH102204 37 CONTROL BOARD BOTTOM 1 CWH102205 38 ELECTRONIC CONTROLLER MAIN 1 CWA73C1777R O 40 CONTROL BOARD COVER TOP 1 CWH131167 41 CABINET SIDE PLATE LEFT 1 CWE041082A 42 HANDLE 1 CWE161010 43 CABINET SIDE PLATE RIGHT 1 CWE041100A 44 HANDLE 2 CWE16000E 45 CABINET FR...

Страница 83: ...1 2KHz IC3 D0 CS RST SK BUSY D1 BR9080F R33 10kΩ R35 10kΩ R36 10kΩ C20 0 01µ 1 1 2 2 3 4 CN HA SW1 C9 0 01µ R20 10kΩ R21 1kΩ CN MAIN C31 ELECTRONIC CONTROL UNIT RY PWR R9 330Ω R42 220Ω R48 220Ω R51 220Ω R50 220Ω 1 2 3 4 5 6 10 8 7 9 10 2 4 6 8 9 7 5 3 1 2 4 6 7 5 3 1 2 4 6 5 3 1 DISPLAY COMPLETE RECEIVER VCC CN DISP VOUT GND D105 SUPER ALLERT BUSTER IC101 1 2 3 D101 TIMER ORG R101 47Ω C101 47µ 6 7...

Страница 84: ... 0 01µ C14 0 01µ R26 10kΩ R56 1kΩ F TEST R27 1kΩ R29 10kΩ R28 1kΩ R54 10kΩ R41 10kΩ C8 10µ 50V S TEST C12 0 01µ 1 2 3 4 5 6 7 8 9 17 18 19 20 21 22 23 24 25 40 41 42 43 44 45 46 47 48 56 57 58 59 60 61 62 63 64 10 39 26 55 11 38 27 54 12 37 13 36 28 53 29 52 14 35 15 34 16 33 30 51 31 50 32 49 P72 P73 P74 BUZ P64 P65 P66 P67 P40 P41 P42 P43 P44 P45 P46 P47 P50 P51 P52 P53 P54 P55 P56 P57 Vss0 Vdd0...

Страница 85: ...1 C016 C015 Q005 e b c C007 c b e R013 R031 R016 Q004 C012 R060 R059 R058 R014 ZD002 ZD003 C009 C010 C011 Q003 R012 C018 C008 R017 S D G R025 R019 D045 R015 D006 D014 Q006 c b e R018 R021 ZD004 C103 D101 R105 ZD101 T602 5 4 9 8 7 6 10 2 3 1 C105 C106 L101 5V I O IC101 R117 ELECTRONIC CONTROL UNIT CONVERTER UNIT C004 R052 R051 R050 R048 R020 R027 R026 C005 D013 R057 R048 R047 EH 4P ZD006 ZD007 C013...

Страница 86: ... Q6 A55C2411KRTX Q7 A54A1036KRTX R143 39Ωx2 5W 5W R81 1 4W 1 R82 1 4W 1 200Ω C131 1500p c b e e b c 4 1 2 3 4 3 2 PC5 TLP421 PC3 TLP421 4 3 4 3 PC2 TLP620 R7 4 7k R32 1k R8 4 7k c b e Q3 A55C2412KTX 5 5 4 4 R400 5 49k 1 C413 1000p JC C402 0 01 D401 C404 0 01 C406 0 82 IC401 AN1393S IC401 C412 1000p D400 R403 51 1k 1 R406 11 3k 1 R404 49 9k 1 R408 3 74k 1 R407 15k 1 R402 1 8k R401 374k 1 e e c c b ...

Страница 87: ...V 40 R217 10k R213 1k R211 1k JP201 R237 10k R210 1k R241 1k R240 1k R238 10k R74 10k R214 10k R216 10k R209 10k R233 1k R228 1k R227 10k R229 10k R215 10k 12 42 1 1 4 34 3 33 TEST R73 10k 3 2 2 10 10 4 4 1 16 10 40 9 30 8 38 7 37 6 36 5 35 11 41 14 14 15 15 32 2 45 15 12 12 20 5 22 7 23 8 21 6 18 3 ECU1 25 10 30 15 19 4 8 8 43 13 44 14 11 11 11 26 5 5 6 6 R232 51k R231 47k R235 1k R218 10k R202 1...

Страница 88: ... 4W 1 R6 499k 1 4W 1 R13 34k 1 C75 C115 100p C116 100p R28 5 11k 1 R27 5 11k 1 R29 5 11k 1 R131 4 99k 1 R130 5 11k 1 R132 4 99k 1 IC3 POWER TR TEMP SENSOR 50kΩ 3950 12 4kΩ 3950 15kΩ 3950 20kΩ 3950 CN PTR 1 2 TANK TEMP SENSOR CN TANK 1 2 3 R151 20k C138 10 50V C143 0 022 25V C142 0 022 25V R192 4 99k IC4 IC4 1 8 3 2 4 7 5 6 R153 4 99k R152 866Ω R154 28k D18 ERA22 04 R193 133k OUTDOOR TEMP SENSOR PI...

Страница 89: ...89 CS E24DKE CU E24DKE ...

Страница 90: ...ntake air temp sampling 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...

Страница 91: ...18 3 Remote Control 91 CS E24DKE CU E24DKE ...

Страница 92: ...18 4 Print Pattern Indoor Unit Printed Circuit Board 92 CS E24DKE CU E24DKE ...

Страница 93: ...18 5 Print Pattern Outdoor Unit Printed Circuit Board 93 CS E24DKE CU E24DKE PHAAM Printed in Malaysia ...

Страница 94: ......

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