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Panasonic CS-E12DKEW / CU-4E27CBPG [50/200] Auto restart control
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9.1.1.14. Auto Restart Control
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If there is a power failure, operation will automatically be restarted when the power is resumed. It will start with the previous
operation mode and airflow direction. (Timer Delay Safety Control is valid.)
1. Control start conditions
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The 24-hour timer must not be set.
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The sleep timer must not be set.
Auto start control is not available when timer or sleep mode is set.
2. Description of control
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In the case of manual operation, the operation mode, temperature setting, fan speed and airflow direction before the power
is turned off are restored.
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In the case of automatic operation, after the power is restored operation starts with the determination of the mode.
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While the air conditioner odour clear timer has been set, the setting is cancelled, and operation is transferred to the mode
before the power is turned off.
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While the air conditioner odour clear operation (with timer / without timer setting) are being performed, both of these
operations are completed, and operation is transferred to the operation mode prior to these operations.
Example: When the power is turned off during an outdoor unit cooling operation.
9.1.1.15. Indication Panel
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:
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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.
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If timer LED is blinking, there is an abnormality operation occurs.
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If ionizer LED is blinking, there is an abnormality of ionizer occurs.
50
CS-ME7DKEG CS-ME10DD3EG / CS-ME10DTEG CS-E15DB4EW
Содержание
- Contents 1
- Cs me7dkeg cs me10dd3eg cs me10dteg cs e15db4ew 1
- Cs me7dkrg cs me7dkdg cs e9dkew cs e9dkrw cs e9dkdw cs e12dkew cs e12dkrw cs e12dkdw cs e15dkew cs e15dkrw cs e15dkdw cs e18dkew cs e18dkrw cs e18dkdw cs e15dd3ew cs e18dd3ew cs e15dtew cs e18dtew cs e18db4ew 1
- Multi air conditioner 1
- Page page 1
- Please file and use this manual together with the service manuals for the following models indoor unit models cs me7ckpg cs me10ckpg cs me12ckpg cs me14ckpg and cs me18ckpg outdoor unit models cu 2e15cbpg cu 2e18cbpg cu 3e23cbpg and cu 4e27cbpg order no rac0209005c2 indoor unit models cs me7cb1p cs me10cb1p cs me12cb1p cs me14cb1p cs me10cd3p and cs me14cd3p outdoor unit models cu 3e23cbpg and cu 4e27cbpg order no rac0312001a8 1
- Features 3
- About lead solder pbf 4
- Caution 4
- Distinction of pbf p c board 4
- Functions 5
- Product specifications 15
- Specifications are subject to change without notice for further improvement 15
- Wall type 15
- Duct type 16
- Specifications are subject to change without notice for further improvement 16
- Ceiling floor type 17
- Specifications are subject to change without notice for further improvement 17
- Mini cassette type 18
- Specifications are subject to change without notice for further improvement 18
- 2 kw class model indicates cs me10dd3eg duct and cs me10dteg ceiling floor 19
- A combination of 2 kw 2 kw includes the following 19
- Cs me10dd3eg duct cs e9dkew wall 19
- Cs me10dd3eg duct cs e9dkrw wall 19
- Cs me10dd3eg duct cs me10dd3eg duct 19
- Cs me10ddteg ceiling floor cs me10dteg ceiling floor 19
- Cs me10dteg ceiling floor cs e9dkew wall 19
- Cs me10dteg ceiling floor cs e9dkrw wall 19
- Cs me10dteg ceiling floor cs me10dd3eg duct 19
- Outdoor units cu 2e15cbpg cu 2e18cbpg 19
- Outdoor units cu 3e23cbpg cu 4e27cbpg 20
- Dimensions 24
- Refrigeration cycle diagram 30
- Wiring diagram 33
- Basic function 37
- Internal setting temperature 37
- Inverter control which equipped with a microcomputer in determining the most suitable operating mode as time passes automatically adjusts output power for maximum comfort always in order to achieve the suitable operating mode the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting 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 and intake air temperature 37
- 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 shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 37
- Operation details 37
- Table a auto operation mode setting 37
- Table b outdoor air temperature shifting 37
- Table c power mode shifting 37
- Wall type 37
- After deice complete within 600 sec 38
- Comp starting within 600 sec 38
- Comp stop 38
- During deice 38
- During operation it will compare with the target room temperature offset value at specific period then the room temperature will be updated 38
- Heating zone e and above temperature gap is big and great capacity increased 38
- However if the following condition is occurred temperature cannot detect correctly and therefore no updating will be done 38
- I initial value when operation starts or changing the actual operation mode 38
- Ii updating during operation 38
- Room temperature shift value dgeta 38
- Set the offset value at each operation mode however in order to improve the heating startup efficiency the offset value will be changed based on the gap between setting temperature and room temperature 38
- Table d indoor air temperature shifting 38
- Target room temperature shift value dgetadst 38
- The heat exchanger unit s temperature is different based on operation mode it becomes the action operation mode value 38
- To offset the absolute gap between detection temperature with actual room temperature 38
- Update the room temperature offset value dgeta 38
- When compressor on off correction of detected room temperature by shift value during defrost etc 38
- Simultaneous operation control 39
- Cooling operation 40
- Heating operation 40
- Soft dry operation 40
- Thermostat control 40
- Automatic operation 41
- During operation mode judgment indoor fan motor with speed of lo and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature the operation mode is decided based on below chart 41
- 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 41
- 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 41
- 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 41
- Values of t1 t2 and t3 depend on remote control setting temperature as shown in below table after the adjustment of t1 t2 and t3 values the operation mode for that particular environment and remote control setting is judged and performed based on the above operation mode chart every 3 hours 41
- A basic rotation speed rpm 42
- Cooling dry fan 42
- Heating 42
- Indoor fan motor operation 42
- Refer to the cs e12dkew column for cs e12dkrw and cs e12dkdw 42
- Refer to the cs e15dkew column for cs e15dkrw and cs e15dkdw 42
- Refer to the cs e18dkew column for cs e18dkrw and cs e18dkdw 42
- Refer to the cs e9dkew column for cs e9dkrw and cs e9dkdw 42
- Refer to the cs me7dkeg column for cs me7dkrg and cs me7dkdg 42
- Required rotation speed for fan is set to respond to the remote control setting 10 rpm unit 42
- Cooling 44
- Heating 44
- Ii auto fan speed 44
- Refer to the cs e12dkew column for cs e12dkrw and cs e12dkdw 44
- Refer to the cs e15dkew column for cs e15dkrw and cs e15dkdw 44
- Refer to the cs e18dkew column for cs e18dkrw and cs e18dkdw 44
- Refer to the cs e9dkew column for cs e9dkrw and cs e9dkdw 44
- Refer to the cs me7dkeg column for cs me7dkrg and cs me7dkdg 44
- Airflow direction 46
- 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 operation the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below when the air conditioner is stopped using remote control the vane will shift to close position 46
- Control at cooling dry operation and auto fan speed 46
- Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 46
- D deodorizing control 46
- I control condition 46
- Ii operation 46
- Manual vertical airflow direction can be set 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 46
- No deodorizing control is performed during on timer standby operation and during anti freezing control prevention 46
- The odor status is arranged as below and it is shifted as follows 46
- There are two types of airflow vertical airflow directed by horizontal vane and horizontal airflow directed by vertical vanes 46
- Vertical airflow 46
- A powerful button is pressed 47
- A purpose 47
- A quiet operation start condition 47
- 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 depends on the indoor heat exchanger temperature as figure 1 below 47
- B control condition 47
- B quiet operation stop condition 47
- B stop by off on switch 47
- C timer off activates 47
- D quiet button is pressed again 47
- Horizontal airflow 47
- Manual horizontal airflow direction can be set using remote control the angles of the vane are as stated below and the positions of the vane are as figure 2 above 47
- Quiet led illuminates 47
- Quiet operation cooling mode cooling area of dry mode 47
- To provide quiet cooling operation compare to normal operation 47
- When one of the following conditions is satisfied quiet operation stops 47
- When quiet button at remote control is pressed 47
- Quiet operation heating 48
- Delay off timer control 49
- Delay on timer control 49
- Powerful mode operation 49
- Auto restart control 50
- Indication panel 50
- Auto operation switch 51
- Ionizer operation 51
- A stopped by on off switch 52
- B operation mode ionizer operation 52
- B timer off activates 52
- C ion feedback signal shows error 52
- C timer during ionizer operation 52
- I purpose 52
- Ii two types of problem detection control 52
- Ionising operation start condition 52
- Ionising operation stop condition 52
- Ionizer problem detection control 52
- Power led also illuminates 52
- Refer to case study in next page for details 52
- To inform user of ionizer problems and detection 52
- When air conditioner unit is in on condition heat cool dry fan auto mode and an ion operation button at remote control is pressed ionizer on ion led illuminates 3 4 52
- When ion is displayed on the remote controller ionizer operates 52
- When one of the following conditions is satisfied ion operation stops 52
- Anti freezing control 53
- Ionizer operation case study 53
- Duct type 54
- Simultaneous operation control 54
- Indoor fan control 55
- Drain pump control 56
- Auto restart control 57
- Auto button 58
- Other indoor unit operation functions 58
- Drain test sw1 59
- High static pressure switch high state switch sw2 59
- Basic function 60
- Ceiling floor type 60
- Internal setting temperature 60
- Inverter control which equipped with a microcomputer in determining the most suitable operating mode as time passes automatically adjusts output power for maximum comfort always in order to achieve the suitable operating mode the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting 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 and intake air temperature 60
- 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 shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 60
- Table a auto operation mode setting 60
- Table b outdoor air temperature shifting 60
- Table c power mode shifting 60
- After deice complete within 600 sec 61
- Comp starting within 600 sec 61
- Comp stop 61
- During deice 61
- During operation it will compare with the target room temperature offset value at specific period then the room temperature will be updated 61
- Heating zone e and above temperature gap is big and great capacity increased 61
- However if the following condition is occurred temperature cannot detect correctly and therefore no updating will be done 61
- I initial value when operation starts or changing the actual operation mode 61
- Ii updating during operation 61
- Room temperature shift value dgeta 61
- Set the offset value at each operation mode however in order to improve the heating startup efficiency the offset value will be changed based on the gap between setting temperature and room temperature 61
- Table d indoor air temperature shifting 61
- Table e 61
- Target room temperature shift value dgetadst 61
- The heat exchanger unit s temperature is different based on operation mode it becomes the action operation mode value 61
- To offset the absolute gap between detection temperature with actual room temperature 61
- Update the room temperature offset value dgeta 61
- When compressor on off correction of detected room temperature by shift value during defrost etc 61
- Simultaneous operation control 62
- Cooling operation 63
- Heating operation 63
- Soft dry operation 63
- Thermostat control 63
- Automatic operation 64
- During operation mode judgment indoor fan motor with speed of lo and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature the operation mode is decided based on below chart 64
- 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 64
- 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 64
- 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 64
- Values of t1 t2 and t3 depend on remote control setting temperature as shown in below table after the adjustment of t1 t2 and t3 values the operation mode for that particular environment and remote control setting is judged and performed based on the above operation mode chart every 30 minutes 64
- A basic rotation speed rpm 65
- Cooling dry fan 65
- Heating 65
- Indoor fan motor operation 65
- Required rotation speed for fan is set to respond to the remote control setting 10 rpm unit 65
- Cooling 67
- Heating 67
- Ii auto fan speed 67
- Airflow direction 69
- 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 operation the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below when the air conditioner is stopped using remote control the vane will shift to close position 69
- Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 69
- Manual vertical airflow direction can be set 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 69
- There is one type of airflow vertical airflow directed by horizontal vane 69
- Vertical airflow 69
- Quiet operation cooling mode cooling area of dry mode 70
- Quiet operation heating 70
- Delay on timer control 71
- Powerful mode operation 71
- Auto operation switch 72
- Auto restart control 72
- Delay off timer can be set using remote control the unit with timer set will stop operate at set time 72
- Delay off timer control 72
- 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 72
- If timer led is blinking there is an abnormality operation occurs 72
- Indication panel 72
- This type of control is not applicable during on off timer setting 72
- When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes 72
- When the switch is pressed between 0 to 5 seconds auto mode operation starts to function 72
- When the switch is pressed between 11 to 16 seconds and together with the signal from remote control timer decrement button for 5s the unit can be changed to different controlling setting 4 type of transmission codes 72
- When the switch is pressed between 16 to 21 seconds either h14 error detection selection mode or the remote control signal receiving sound can be cancelled or turned on 72
- When the switch is pressed between 5 to 8 seconds the unit is forced to operate in cooling mode 72
- When the switch is pressed between 8 to 11 seconds the unit will enter forced heating mode standby press timer decrement button for 5s for the unit to operate in heating mode 72
- Anti dew formation control 73
- Anti freezing control 73
- Basic function 74
- Internal setting temperature 74
- Inverter control which equipped with a microcomputer in determining the most suitable operating mode as time passes automatically adjusts output power for maximum comfort always in order to achieve the suitable operating mode the microcomputer maintains the set temperature by measuring the temperature of the environment and performing temperature shifting 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 and intake air temperature 74
- Mini cassette type 74
- 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 shifted value will be used as internal setting temperature and it is updated continuously whenever the electrical power is supplied to the unit 74
- Table a auto operation mode setting 74
- Table b outdoor air temperature shifting 74
- Table c power mode shifting 74
- After deice complete within 600 sec 75
- Comp starting within 600 sec 75
- Comp stop 75
- During deice 75
- During operation it will compare with the target room temperature offset value at specific period then the room temperature will be updated 75
- Heating zone e and above temperature gap is big and great capacity increased 75
- However if the following condition is occurred temperature cannot detect correctly and therefore no updating will be done 75
- I initial value when operation starts or changing the actual operation mode 75
- Ii updating during operation 75
- Room temperature shift value dgeta 75
- Set the offset value at each operation mode however in order to improve the heating startup efficiency the offset value will be changed based on the gap between setting temperature and room temperature 75
- Table d indoor air temperature shifting 75
- Target room temperature shift value dgetadst 75
- The heat exchanger unit s temperature is different based on operation mode it becomes the action operation mode value 75
- To offset the absolute gap between detection temperature with actual room temperature 75
- Update the room temperature offset value dgeta 75
- When compressor on off correction of detected room temperature by shift value during defrost etc 75
- Simultaneous operation control 76
- Cooling operation 77
- Heating operation 77
- Soft dry operation 77
- Thermostat control 77
- Automatic operation 78
- During operation mode judgment indoor fan motor with speed of lo and outdoor fan motor are running for 30 seconds to detect the indoor intake and outdoor air temperature the operation mode is decided based on below chart 78
- 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 78
- 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 78
- 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 78
- Values of t1 t2 and t3 depend on remote control setting temperature as shown in below table after the adjustment of t1 t2 and t3 values the operation mode for that particular environment and remote control setting is judged and performed based on the above operation mode chart every 30 minutes 78
- A basic rotation speed rpm 79
- Cooling dry fan 79
- Heating 79
- Indoor fan motor operation 79
- Required rotation speed for fan is set to respond to the remote control setting 10 rpm unit 79
- Cooling 81
- Heating 81
- Ii auto fan speed 81
- Airflow direction 83
- 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 operation the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below when the air conditioner is stopped using remote control the vane will shift to close position 83
- Control at cooling dry operation and auto fan speed setting 83
- Control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control 83
- D deodorizing control 83
- I control condition 83
- Ii operation 83
- Manual vertical airflow direction can be set 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 83
- No deodorizing control is performed during on timer standby operation and during anti freezing control prevention 83
- The odor status is arranged as below and it is shifted as follows 83
- There is one type of airflow vertical airflow directed by horizontal vane 83
- Vertical airflow 83
- Quiet operation cooling mode cooling area of dry mode 84
- Quiet operation heating 84
- Powerful mode operation 85
- Auto operation switch 86
- Auto restart control 86
- Delay off timer can be set using remote control the unit with timer set will stop operate at set time 86
- Delay off timer control 86
- 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 86
- Delay on timer control 86
- From the above judgment the decided operation will start operate earlier than the set time as shown below 86
- 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 86
- If timer led is blinking there is an abnormality operation occurs 86
- Indication panel 86
- 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 86
- This type of control is not applicable during on off timer setting 86
- When the power supply is cut off during the operation of air conditioner the compressor will re operate within three to four minutes there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly after power supply resumes 86
- When the switch is pressed between 0 to 5 seconds auto mode operation starts to function 86
- When the switch is pressed between 5 to 8 seconds the unit is forced to operate in cooling mode 86
- When the switch is pressed between 8 to 11 seconds the unit will enter forced heating mode standby press timer decrement button for 5s for the unit to operate in heating mode 86
- Anti dew formation control 87
- Anti freezing control 87
- Breakdown self diagnosis function three digits alphanumeric code 88
- Self diagnosis display 88
- Error code 89
- A chemical characteristics the chemical characteristics of r410a are similar to those of r22 in that both are chemically stable non flammable refrigerants with low toxicity however just like r22 the specific gravity of r410a gas is heavier than that of air because of 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 139
- About r410a refrigerant 139
- B compositional change pseudo azeotropic characteristics r410a is a pseudo azeotropic mixture comprising the two components r32 and r125 multi component refrigerants with these chemical characteristics exhibit little compositional change even from phase changes due to vaporization or condensation which means that there is little change in the circulating refrigerant composition even when the refrigerant leaks from the gaseous section of the piping accordingly r410a can be handled in almost the same manner as the single component refrigerant r22 however when charging because there is a slight change in composition between the gas phase and the liquid phase inside a cylinder or other container charging should basically begin with the liquid side 139
- C pressure characteristics as seen in table 2 the gas pressure of r410a is approximately 1 times as high as that of r22 at the same refrigerant temperature which means that special r410a tools and materials with high pressure specifications must be used for all refrigerant piping work and servicing 139
- Converting air conditioners to r410a since it was declared in1974 that chlorofluorocarbons cfc hydro chlorofluorocarbons hcfc and other substances pose a destructive danger to the ozone layer in the earth s upper stratosphere 20 to 40 km above the earth measures have been taken around the world to prevent this destruction the r22 refrigerant which has conventionally been used in acs is an hcfc refrigerant and therefore possesses this ozone destroying potential international regulations the montreal protocol on ozone damaging substances and the domestic laws of various countries call for the early substitution of r22 by a refrigerant which will not harm the ozone layer 139
- In acs the hfc refrigerant which has become the mainstream alternative is called r410a compared with r22 the pressure of r410a is approximately 1 times as high at the same refrigerant temperature but the energy efficiency is about the same consisting of hydrogen h fluorine f and carbon c r410a is an hfc refrigerant another typical hfc refrigerant is r407c while the energy efficiency of r407c is somewhat inferior to that of r410a it offers the advantage of having pressure characteristics which are about the same as those of r22 and is used mainly in packaged acs 139
- Installation and servicing air conditioner using r410a 139
- Outline 139
- The characteristics of hfc r410a refrigerants 139
- 1 always replace the dryer of the outdoor unit at the same time the replacement dryer is wrapped in a vacuum pack replace it last among the refrigerating cycle parts start brazing as soon as you have opened the vacuum pack and begin the vacuuming operation within 2 hours 140
- 1 you can use the conventional r22 flaring tool if you need to buy a new tool buy the r410a type 140
- 2 use when it is necessary to detect small gas leaks 140
- After finishing the installation check to make sure there is no refrigerant gas leaking 140
- Cause the gas pressure of r410a is approximately 1 times as high as that of r22 a mistake in installation or servicing could result in a major accident it is essential that you use r410a tools and materials and that you observe the following precautions to ensure safety 140
- D r410a refrigerating machine oil conventionally mineral oil or a synthetic oil such as alkylbenzene has been used for r22 refrigerating machine oil because of the poor compatibility between r410a and conventional oils like mineral oil however there is a tendency for the refrigerating machine oil to collect in the refrigerating cycle for this reason polyester and other synthetic oils which have a high compatibility with r410a are used as refrigerating machine oil because of the high hygroscopic property of synthetic oil more care must be taken in its handling than was necessary with conventional refrigerating machine oils also these synthetic oils will degrade if mixed with mineral oil or alkylbenzene causing clogging in capillary tubes or compressor malfunction do not mix them under any circumstances 140
- Do not perform any alterations on the ac unit under any circumstances have all repair work done by a specialist incorrect repairs can result in a water leakage electric shock fire etc 140
- Do not use any refrigerant other than r410a in acs that have been used with r410a 140
- For other installation work you should have the usual tools such as screwdrivers a metal cutting saw an electrical drill a hole core drill 65 or 70 dia a tape measure a level a thermometer a clamp meter an insulation tester a voltmeter etc 140
- If any refrigerant gas leaks while you are working ventilate the room toxic gas may be generated if refrigerant gas is exposed to a direct flame 140
- 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 changed for the refrigerant pipe flaring size and flare nut accordingly when installing or servicing refrigerant piping you must have both the r410a and ordinary tools listed below 140
- Necessary tools 140
- Safety measures when installing servicing refrigerant piping 140
- Tools for installing servicing refrigerant piping 140
- When installing or transferring an ac do not allow any air or substance other than r410a to mix into the refrigeration cycle if it does the pressure in the refrigeration cycle can become abnormally high possibly causing an explosion and or injury 140
- When installing or transferring an ac follow the instructions in the installation instructions carefully incorrect installation can result in an abnormal refrigeration cycle or water leakage electric shock fire etc 140
- Because the pressure is higher for the r410a type the conventional type cannot be used 141
- Copper tube gauge for clearance adjustment used when flaring with the conventional flaring tool clutch type 141
- Flaring tool clutch type 141
- In the r410a flaring tool the receiving hole for the clamp bar is enlarged so the clearance from the clamp bar can be set to 0 0 mm and the spring inside the tool is strengthened to increase the strength of the pipe expanding torque this flaring tools can also be used with r22 piping so we recommend that you select it if you are buying a new flaring tool 141
- Manifold gauge 141
- R410a tools 141
- The shape of the manifold ports has been changed to prevent the possibility of mistakenly charging with another type of refrigerant 141
- This gauge makes it easy to set the clearance for the copper tube to 1 1 mm from the clamp bar of the flaring tool 141
- Torque wrenches 141
- R410a tools which are usable for r22 models 143
- Piping materials 144
- Processing and connecting piping materials 144
- Refrigerant piping work 144
- A check to make sure there is no scratches dust etc on the flare and union 145
- B align the flared surface with the axial center of the union 145
- 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 145
- Procedure and precautions for flare connection 145
- Storing and managing piping materials 146
- Inspecting gas leaks with a vacuum pump for new installations using new refrigerant piping 147
- Installation transferring servicing 147
- Ac units replacement using existing refrigerant piping 148
- Recharging refrigerant during servicing 148
- Refrigerant compatibility using r410a refrigerant in r22 acs and vice versa 148
- Transferring using new refrigerant piping 148
- Brazing 150
- Servicing tips 150
- Disassembly of parts 151
- Indoor control board removal procedures 151
- Remove the front grille 151
- Remove the indoor control board 151
- Wall type 151
- Cross flow fan and fan motor removal procedures 152
- Electronic controller removal procedures 152
- Remove cross flow fan and fan motor 152
- Remove main electronic controller 152
- Duct type 153
- Ceiling floor type 155
- Electronic controller removal procedure 155
- Fan motor removal procedure 155
- Front grille removal procedure 155
- Disassembly of parts 156
- Mini cassette type 156
- All parts are supplied from phaam malaysia vendor code 061 187
- Marked parts are recommended to be kept in stock 187
- Models cs me7dkeg cs me7dkrg cs me7dkdg cs e9dkew cs me9dkrw cs e9dkdw cs e12dkew cs e12dkrw cs e12dkdw 187
- Replacement parts list indoor unit 187
- All parts are supplied from phaam malaysia vendor code 061 189
- Marked parts are recommended to be kept in stock 189
- Models cs e15dkew cs e15dkrw cs e15dkdw 189
- Replacement parts list indoor unit 189
- All parts are supplied from phaam malaysia vendor code 061 191
- Marked parts are recommended to be kept in stock 191
- Models cs e18dkew cs e18dkrw cs e18dkdw 191
- Replacement parts list indoor unit 191
- All parts are supplied from acd in japan 193
- Marked parts are recommended to be kept in stock 193
- Models cs me10dd3eg cs e15dd3ew cs e18dd3ew 193
- Replacement parts list indoor unit 193
- All parts are supplied from phaam malaysia vendor code 061 195
- Marked parts are recommended to be kept in stock 195
- Models cs me10dteg cs e15dtew cs e18dtew 195
- Replacement parts list indoor unit 195
- All parts are supplied from phaam malaysia vendor code 061 198
- Marked parts are recommended to be kept in stock 198
- Models cs e15db4ew cs e18db4ew 198
- Replacement parts list indoor unit 198
- Acd printed in japan 200
- All parts are supplied from phaam malaysia vendor code 061 200
- Marked parts are recommended to be kept in stock 200
- Model cz bt12de front grille complete 200
- Replacement parts list indoor unit front grille 200
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