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16 Exploded View (Outdoor Unit)

16.1. CU-E9DKE CU-E12DKE

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.

CS-E9DKEW CU-E9DKE / CS-E12DKEW CU-E12DKE

This document is protected (secured) by www.nettovarmepumpar.se

Содержание CS-E12DKEW

Страница 1: ... violation of law CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE 8 2 Protection Control Features 35 9 Operating Instructions 44 10 Installation Instructions 50 10 1 Safety Precautions 50 10 2 Indoor Unit 53 10 3 Outdoor Unit 57 11 Installation And Servicing Air Conditioner Using R410A 61 11 1 Outline 61 11 2 Tools For Installing Servicing Refrigerant Piping 62 11 3 Refrigerant Piping Work 66 11 4 Install...

Страница 2: ... elements including allergens viruses and bacteria Generated supersonic waves enhance the ability to collect dust and dirt in the air 16 1 CU E9DKE CU E12DKE 85 17 Replacement Parts List Outdoor Unit 86 17 1 CU E9DKE CU E12DKE 86 18 Electronic Circuit Diagram 87 18 1 Indoor Unit 87 18 2 Outdoor Unit 91 18 3 Remote Control 96 18 4 Print Pattern Indoor Unit Printed Circuit Board 97 18 5 Print Patter...

Страница 3: ...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 Medium Medium High AUTO Automatic Fan ...

Страница 4: ...Green Lights up in operation blinks in Automatic Operation Mode judging 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 SUPER ALLERU BUSTER Blue Lights up in operation Automatic and 5 Manual Indoor Fan Spe...

Страница 5: ...ontrol Low Pressure Control Gas Leakeage Detection Breakdown Self Diagnosis Function Anti Cold Draft Control High Pressure Control Hot Start Intake Air Temperature Control Deice Operation 5 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 6: ...or 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 E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 7: ...350 Heating 10 8 380 dB A Cooling High 39 Low 26 Cooling 46 Heating High 40 Low 27 Heating 47 Noise Level Power level dB Cooling High 50 Cooling High 59 Heating High 51 Heating High 60 Electrical Data Input W Cooling 600 175 780 Heating 845 165 1 360 Running Current A Cooling 2 9 Heating 4 0 EER W W kcal hw BTU hw Cooling 4 33 3 73 14 8 COP W W kcal hw BTU hw Heating 4 26 3 67 14 6 Starting Curren...

Страница 8: ...Tube material Copper Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 15 2 24 FPI 21 17 Size W H L mm 610 315 25 4 718 4 689 8 504 36 4 Refrigerant Control Device Capillary Tube Refrigeration Oil cm3 RB68A 320 Refrigerant R410A g oz 965 34 1 Thermostat Electronic Control Protection Device Electronic Control Electroni...

Страница 9: ...ling High 42 Low 29 Cooling 48 Heating High 42 Low 33 Heating 50 Noise Level Power level dB Cooling High 53 Cooling High 61 Heating High 53 Heating High 63 Electrical Data Input W Cooling 965 185 1 200 Heating 1 260 175 1 890 Running Current A Cooling 4 5 Heating 5 8 EER W W kcal hw BTU hw Cooling 3 63 3 12 12 4 COP W W kcal hw BTU hw Heating 3 81 3 28 13 0 Starting Current A 5 8 Piping Connection...

Страница 10: ...er Copper Fin material Aluminium Pre Coat Aluminium Fin Type Slit Fin Corrugated Fin Row Stage Plate fin configuration forced draft 2 15 2 24 FPI 21 17 Size W H L mm 610 315 25 4 718 4 689 8 504 36 4 Refrigerant Control Device Capillary Tube Refrigeration Oil cm3 RB68A 320 Refrigerant R410A g oz 980 34 6 Thermostat Electronic Control Protection Device Electronic Control Electronic Control Length m...

Страница 11: ...4 Dimensions 4 1 Indoor Unit Remote Control 4 1 1 CS E9DKEW CS E12DKEW 11 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 12: ...4 2 Outdoor Unit 4 2 1 CU E9DKE CU E12DKE 12 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 13: ...5 Refrigeration Cycle Diagram 13 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 14: ...6 Block Diagram 14 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 15: ...7 Wiring Diagram 15 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 16: ... 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 shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit Table a Auto Operation Mode Setting Mode Shift Temperature Sh...

Страница 17: ...ta Cool 0 Heat Operation start set temp room temp 4 C 4 Operation start set temp 4 C 4 Dry 0 ii Updating during operation During operation it will compare with the target room temperature offset value at specific period then the room temperature will be updated Actual operation mode Room temperature zone Updating period sec Cool 180 Heat A B C D zone 15 Dry 180 Update the room temperature offset v...

Страница 18: ...ection control priority is given When room temperature is reached it shifts to relative control after moving to change frequency The following operation determines change frequency The Hzkirikae present condition frequency Inclines and it is calculation Inclination lapsed time to remote control attaintment Minute Inclination 0 60 60 90 90 Inclination coefficient 80 90 100 1 The present frequency i...

Страница 19: ...ed out and suction setup separates the domain of relative control it goes to the clause of initial frequency and operation frequency is determined 8 1 2 2 The frequency determination method Heating operation control 8 1 2 2 1 Basic specification Intake temperature domain is sent to outdoor Renewal of data every 60 seconds in outdoor Domain directions data intake setting transmitted from indoor det...

Страница 20: ...following operation determines change frequency The Hzkirikae present condition frequency Inclines calculation Inclination Lapsed time to remote control attainment min Inclination 0 30 30 60 60 Inclination coefficient 70 90 100 1 The present frequency is real operation frequency 2 When directions change come out by remote control after starting calculation continued The time to room temperature at...

Страница 21: ...f relative control it goes to the clause of initial frequency and operation frequency is determined 8 1 2 3 The frequency determination method Soft Dry operation control 8 1 2 3 1 Basic specification The domain directions data intake setting transmitted from indoor determines a changed part of frequency Then a directed changed part changes frequency to the present frequency Change of frequency may...

Страница 22: ...ol setting open air introduction etc When it moves an addition and subtraction tap is changed from the time of the following renewal of data 8 1 3 Cooling Operation 8 1 3 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 1 5 C Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 22...

Страница 23: ...ting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 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 outdoor fan motor are running for 30 se...

Страница 24: ...rol setting temperature 25 T1 25 7 32 T2 25 3 22 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 Motor Operation A Basic Rotation Speed rpm Required rotation speed for fan is set to respond to the rem...

Страница 25: ...B Indoor Fan Control i Indoor fan control operation outline 1 Cooling Dry 25 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 26: ...2 Heating ii Auto Fan Speed 1 Cooling 26 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 27: ...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 the out of rhythm co...

Страница 28: ...0 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 8 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only It starts when compressor starts operation and it stops 30 seconds after compressor stops operation 8 1 9 Airflow Direction 1 There are two types of airflow vertical airflow directed by horizo...

Страница 29: ...les 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 2 Horizontal Airflow 1 Automatic horizontal airflow direction can be set using remote control the vane swings left and right within the angles as stated below For heating mode operation the angle of the vane dep...

Страница 30: ...setting to quiet setting of respective fan speed This is to reduce sound of Hi Me Lo for 3dB 2 Fan speed for quiet operation is 1 step from setting fan speed 8 1 10 1 Quiet operation Heating A Purpose To provide quiet heating operation compare to normal operation B Control condition a Quiet operation start condition When quiet button at remote control is pressed Quiet LED illuminates b Quiet opera...

Страница 31: ...ry Operation c Heating Operation 8 1 12 Delay ON Timer Control Delay ON timer can be set using remote control the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set ON time 60 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...

Страница 32: ...l LED POWER TIMER QUIET POWERFUL ION ALLERGEN BUSTER Color Green Orange Orange Orange Green Blue Light ON Operation ON Timer Setting ON Quiet Mode ON Powerful Mode ON Ion Mode ON Operation ON Light OFF Operation OFF Timer Setting OFF Quiet Mode OFF Powerful Mode OFF Ion Mode OFF Operation OFF Note If POWER LED is blinking the possible operations of the unit are Hot Start during Deice operation ope...

Страница 33: ... receiving sound can be cancelled or turned on Purpose To provide fresh air effect to users by discharging minus ion to air Control Condition a Ionizer Only Operation 1 When air conditioner unit is at OFF condition standby and ION operation button at remote control is pressed Fan ionizer on ION LED illuminates but power LED maintain off 1 2 However fan speed can be adjusted later by customer durin...

Страница 34: ...n feedback signal 0V ii Within 24 counts if anytime CONDITION becomes false then count is cleared ii Press remote 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 wi...

Страница 35: ...t 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 3 minutes M...

Страница 36: ...ol Instructed frequency for compressor operation will be regulated by compressor discharge temperature The changes of frequency are as below figure 8 2 1 6 Low Pressure Prevention Control Gas Leakage Detection a Control start conditions Control will perform when 1 3 condition continues operation for 5 minute and 4 is fulfill 1 During cooling and dry operation Frequency more than normal Fcmax Durin...

Страница 37: ...2 Timer LED blink and F91 indicated 8 2 1 8 Low Frequency Protection Control 1 When the compressor operate at frequency lower than 22 Hz continued for 20 minutes the operation frequency will be increased to 22 Hz for two minutes 8 2 1 9 Low Frequency Protection Control 2 When all the below conditions occur minimum value Freq MIN for the frequency instructed to compressor will change to 30 Hz for c...

Страница 38: ...om indoor outdoor heat exchanger temperature Hz control is performed Control contents 1 During cooling and dry except test mode 2 During heating compressor operation except test mode However official approval mode removes 8 2 2 Protection Control For Cooling Soft Dry Operation 8 2 2 1 Outdoor Air Temperature Control The compressor operating frequency is regulated in accordance to the outdoor air t...

Страница 39: ...gh pressure rise protection ii Electrical part temperature rise protection control 1 Purpose To prevent electronic components temperature rise during cooling overload 2 Judgement Conditions Outdoor temperature 3 Control contents Change a current limit value in a protection location A Refer to the clause of total running current control value 4 Condition resolutive It is canceled when it stops sati...

Страница 40: ...0 T 30 26 Hz 39 Hz Below 710 30 T 90 26 Hz 37 Hz 90 T 420 26 Hz 37 Hz 0 T 30 40 Hz 59 Hz 710 790 30 T 90 33 Hz 48 Hz 90 T 420 32 Hz 47 Hz 0 T 30 50 Hz 70 Hz 791 970 30 T 90 40 Hz 59 Hz 90 T 420 40 Hz 59 Hz 0 T 30 52 Hz 72 Hz 970 above 30 T 90 40 Hz 59 Hz 90 T 420 40 Hz 59 Hz 2 After 420 minutes the operation restarts again from the beginning 3 The operation will restart the above control whenever ...

Страница 41: ... 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 41 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 42: ...r 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 8 9 Instantaneous restart Outdoor heat exchanger temperature a 15 C b 18 C c 25 C 42 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www ne...

Страница 43: ... 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 outdoor heat exchanger temperature 6 C fo...

Страница 44: ...o failure to follow instructions will cause harm or damage the seriousness of which is classiﬁed as below This symbol denotes an action that is PROHIBITED 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 s...

Страница 45: ... 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 batteries can be used for approximately 1 year The batteries must be recycled or disposed of properly 3 Press CLOCK button 4 Set current time Troubleshooting Operation delayed for few minutes after restart This is a normal self protection control Sound like water ﬂowing du...

Страница 46: ...nutes the operation mode is reselected Enables you to enjoy the warming effect at your preferred setting temperature For cold air prevention air might not blow out immediately and power indicator blinks when operation starts Also operates in defrost mode maximum 10 minutes where by the power indicator blinks The melted frost is drained at outdoor unit and indoor fan is stopped HEAT Heating Operati...

Страница 47: ...ds 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 desired temperature To provide you with the v...

Страница 48: ...M 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 temperature This happens when it has been ...

Страница 49: ... low cooling or heating capacity unpleasant smells and higher energy consumption The unit will become dirty and the performance of the unit will decrease after used for several seasons Please consult an authorized dealer to perform seasonal inspections in addition to regular cleaning This air conditioner is equipped with a built in surge protective device However in order to further protect your a...

Страница 50: ...on 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 not enough or defect found in electrical work it will ...

Страница 51: ...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 15A 16A power plug with earth pin for the connection to the socket 2 Power supply connection to a circuit breaker for the permanent connection Use an approved 16A circuit bre...

Страница 52: ...ll be at least 2 3 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 obstacles which may cause a short circuit of ...

Страница 53: ... 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 distance namely 150 mm and...

Страница 54: ...3 For the embedded piping This can be used for left rear piping left bottom piping also 54 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 55: ...ation 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 clamper 55 CS E9DKEW CU E9DKE CS E12DKEW...

Страница 56: ...ons 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 of Test Run ope...

Страница 57: ...m E12DK 1 2 55 N m 1 4 18 N m 10 3 Outdoor Unit 10 3 1 SELECT THE BEST LOCATION Refer to Select the best location section 10 3 3 CONNECTING THE PIPING Connecting The Piping To Indoor Unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping Align the center of piping and sufficiently tighten the fl...

Страница 58: ... 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 wrench 4 mm 8 Mou...

Страница 59: ...ct gap Secure the cable onto the control board with the holder clamper DISPOSAL OF OUTDOOR UNIT DRAIN WATER If a drain elbow is used the unit should be placed on a stand which is taller than 3 cm If the unit is used in an area where temperature falls below 0 C for 2 or 3 days in succession it is recommended not to use a drain elbow for the drain water freezes and the fan will not rotate 10 3 5 CON...

Страница 60: ...y 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 com...

Страница 61: ...f 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 kgf cm2 0 94 Mpa 9 ...

Страница 62: ...repairs can result in an water leakage electric shock fire etc 11 2 Tools For Installing Servicing Refrigerant Piping 11 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 dimensions have been cha...

Страница 63: ...hes 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 R410A and conventi...

Страница 64: ...ot 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 year Fig 4 Manifold g...

Страница 65: ...sing 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 The charging orifi...

Страница 66: ...al flaring tool use the copper pipe gauge for clearance adjustment etc to ensure the correct A dimension see Fig 10 Fig 10 Flaring dimensions 11 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 inferior pipes are used i...

Страница 67: ... 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 Tightening torque N m kg...

Страница 68: ...11 4 Installation Transferring Servicing 11 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 b Fully open the ...

Страница 69: ...ing 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 items c and d of s...

Страница 70: ... 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 Be sure to read th...

Страница 71: ...t 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 Protection In order to prev...

Страница 72: ... 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 of air conditione...

Страница 73: ...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 73 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 74: ...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 controller continuously for more than five seconds to turn on the diagnosis mode H11 will be displayed at remote controller By pressing the TMER button once next error code w...

Страница 75: ...changer 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 2 times occurance within 20 minutes No refrigerant 3 way valve is closed F93 Compressor rotation failure Compressor F9...

Страница 76: ...trol 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 controller 12 3 Remote Control 76 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by w...

Страница 77: ...1 2 Remove the Indoor Control Board Fig 2 Fig 3 Fig 4 Fig 5 12 4 Disassembly of Parts a Indoor Control Board Removal Procedures 77 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 78: ...Fig 10 Fig 7 Fig 9 b Electronic Controller Removal Procedures 1 Remove Main Electronic Controller c Cross Flow Fan and Fan Motor Removal Procedures 78 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 79: ...er be careful of electrostatic discharge Fig 14 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 12 Fig 15 79 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 80: ...13 Technical Data 13 1 Operation Characteristics 13 1 1 CS E9DKEW CU E9DKE 80 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 81: ...13 1 2 CS E12DKEW CU E12DKE 81 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 82: ...C 3 09 2 12 0 57 2 88 2 04 0 61 2 68 1 97 0 66 2 44 1 88 0 71 CS E12DKEW CU E12DKE 230V 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 3 47 2 63 0 88 3 24 2 52 0 95 3 02 2 43 1 02 2 74 2 30 1 10 19 0 C 3 50 0 97 19 5 C 3 81 2 76 0 90 3 56 2 65 0 97 3 31 2 55 1 04 3 01 2 43 1 12 22 0 C 4 15 2 86 0 92 3 88 2 75 0 99 3 61 2 65 1 05 3 28 2 53 1 14 82 CS ...

Страница 83: ...EW 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 83 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 84: ...A50C2122 0 25 CONTROL BOARD FRONT COVER 1 CWH13C1120 26 INDICATOR COMPLETE 1 CWE39C1126 0 27 INDICATOR HOLDER 1 CWD932429 28 INDICATOR HOLDER 1 CWD932430 29 CONTROL BOARD TOP COVER 1 CWH131207 30 REMOTE CONTROL COMPLETE 1 CWA75C2616 0 31 FRONT GRILLE COMPLETE 1 CWE11C3138 0 32 INTAKE GRILLE 1 CWE22C1154 33 GRILLE DOOR 1 CWE141073 34 AIR FILTER 2 CWD001144 35 SCREW FRONT GRILLE 2 XTT4 16C 36 CAP FR...

Страница 85: ...E 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 85 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 86: ...USE HOLDERS 1 K5D203BBA002 26 CONTROL BOARD 1 CWH102114 27 CONTROL BOARD 1 CWH102115 28 ELECTRONIC CONTROLLER 1 CWA73C1672R CWA73C1673R O 29 CONTROL BOARD COVER 1 CWH131104 30 SENSOR COMPLETE 1 CWA50C2066 31 HOLDER SENSOR 1 CWH321010 32 TERMINAL COVER 1 CWH171001 33 NUT TERMINAL COVER 1 CWH7080300 34 CABINET SIDE PLATE CO 1 CWE04C1011 35 CABINET SIDE PLATE LEFT 1 CWE041031A 36 HANDLE 1 CWE161010 3...

Страница 87: ...7 6 2kΩ 1 4W R58 6 2kΩ 1 4W Q04 4 7k 10k PC06 4 1 2 3 PC05 4 1 2 3 Q03 2SD2531 ZD04 ZD03 C32 100µ 25V R69 6 2kΩ 1 4W R70 6 2kΩ 1 4W PC04 1 4 3 2 TEMPERATURE FUSE TERMINAL 1 2 3 AC03 RED GD1 GRN ZNR01 ERZVEAV511 D04 AC02 WHT 1 2 3 C27 4700P 250VAC C26 4700P 250VAC C38 2200P 250VAC FUSE T3 15A L250V R138 7 5Ω R59 6 8kΩ 2W LF01 C22 0 22µ C23 T01 5 2 8 3 10 11 C24 C25 R62 22M 1 2W R56 22M 1 2W R114 6 ...

Страница 88: ...8 NR G I 12V REGULATOR O C31 3300µ 35V IC09 G I 5V REGULATOR O C33 470µ 25V C30 470µ 63V C34 100µ 16V IC03 D0 4 6 5 7 1 3 8 2 CS RST SCK BUSY D1 BR9080F JP8 R33 10kΩ R34 10kΩ R35 10kΩ R44 10kΩ C18 1µ 16V 88 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 89: ... P55 P56 P57 P60 P61 P62 P63 JP3 X01 JP2 JP1 JP4 1 2 3 4 5 6 7 8 9 16 15 14 13 12 11 10 IC05 TD62003AF 1 2 3 4 5 6 7 8 9 16 15 14 13 12 11 10 R17 1kΩ R07 R63 10kΩ R64 10kΩ R65 10kΩ BZ BZ01 R11 100Ω R01 10kΩ R29 10kΩ R02 10kΩ C13 1µ C14 0 01µ C15 0 01µ C09 1µ R22 15kΩ 1 C05 1µ 10V R26 10kΩ R67 10kΩ R54 10kΩ R03 5 1kΩ R04 10kΩ R43 10kΩ C37 0 01µ R23 20kΩ 1 C09 1µ 10V R37 150kΩ H2B40040022 47pFx2 4MH...

Страница 90: ...X601 IC601 CH1 F1 CH1 VIN GND ERR C2 C1 Q1 Q2 Q4 Q5 R2 c e b 4 7k 10k e b c C3 R4 R3 R5 D2 Z01 D4 c e b C8 D1 D3 R14 R13 R9 R15 R10 R102 4 2kV R101 HV CN2 R12 C5 D5 C6 Z02 c e b R6 T1 D101 D102 C101 C7 GND CN3 HIGH VOLTAGE IONIZER AIR TEMP SENSOR 15k 3950 20k 3950 PIPE TEMP SENSOR 1 SCHEMATIC DIAGRAM 4 4 90 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarm...

Страница 91: ...441 Q15 2SA1366 R27 R45 10Ω R49 C22 1500p c b e e b c 4 1 2 3 4 3 2 PC3 TLP421 PC4 TLP421 5 5 4 4 R400 37 4k 1 C413 1000p JC C402 0 01µ D401 C404 0 01µ AN1393S C412 1000p D400 R403 51 1k 1 R406 7 87k 1 R404 49 9k 1 R408 2 74k 1 R407 15k 1 R402 1 8k R401 374k 1 e e c c b b Q402 Q401 10k 4 7k 10k 4 7k 11 11 12 12 8 8 9 9 R405 100Ω IC401 IC402 R409 1 8k R411 10k Q403 A55C2411KRTX C414 1000p R416 82 5...

Страница 92: ...47µ 25V C89 0 1µ 16V C68 0 01µ 400V C59 220P 2kV 3 2 1 6 5 4 ZD6 MAZ4047 C61 22µ 35V C78 0 047µ 25V C11 1µ 10V C65 R126 R122 0 1Ω R135 39k 1 4W R136 4 7Ω 1 4W R158 C108 C67 680P C109 50V 3900P D34 4 1 2 3 PC6 PC817E7 IC8 MM1431 R141 1k R140 2 2k R144 27k R150 100Ω R149 3 3k R127 18k 1 R160 R151 510 R147 1 1 4W C100 0 01µ C111 220µ 10V C94 470µ 25V C88 680µ 16V C96 470µ 10V C98 470µ 25V R159 3k 1 4...

Страница 93: ...188 464k 1 4W R44 464k 1 4W R139 10 7k 1 4W R41 10 7k 1 4W R37 470Ω ZD4 R116 R67 R115 R66 R114 R65 R113 R64 R112 R63 R111 R62 R110 R61 R109 R60 R108 R59 R107 R58 R106 R57 R55 24 9k 1 R92 10k R53 5 1k R38 10k R56 62Ω C21 0 047µ 25V 2 4 6 7 5 3 1 CN FM C69 C71 C74 R47 C114 C60 RY L0 C9 R199 R74 R75 4 7k 10k R73 R100 R78 Q11 Q7 Q9 c e b R72 4 7k 10k R102 R97 C75 IC05 1 2 3 4 5 6 7 8 9 16 15 14 13 12 ...

Страница 94: ...94 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 95: ...How to use electronic circuit diagram 95 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 96: ...18 3 Remote Control 96 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 97: ...18 4 Print Pattern Indoor Unit Printed Circuit Board 97 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE This document is protected secured by www nettovarmepumpar se ...

Страница 98: ...18 5 Print Pattern Outdoor Unit Printed Circuit Board 98 CS E9DKEW CU E9DKE CS E12DKEW CU E12DKE PHAAM Printed in Malaysia This document is protected secured by www nettovarmepumpar se ...

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