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CS-E28GKE / CU-E28GKE
Сервис мануал Страница: 13

Panasonic CS-E28GKE / CU-E28GKE Сервис мануал онлайн [13/78] 626938

7 Block Diagram

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Air conditioner 1
Cs e24gkes cu e24gke 1
Cs e28gke cu e28gke 1
Table of contents 1
Safety precautions 2
Cs e24gkes cu e24gke 4
Specifications 4
Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 2 heating capacities are based on indoor temperature of 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f d b 6 c w b 42 f w b 5
Note specifications are subject to change without notice for further improvement 5
Cs e28gke cu e28gke 6
Cooling capacities are based on indoor temperature of 27 c d b 80 f d b 19 c w b 66 f w b and outdoor air temperature of 35 c d b 95 f d b 24 c w b 75 f w b 2 heating capacities are based on indoor temperature of 20 c d b 68 f d b and outdoor air temperature of 7 c d b 44 f d b 6 c w b 42 f w b 7
Note specifications are subject to change without notice for further improvement 7
Features 8
Location of controls and components 9
Printed circuit board 19
Example for e24gk if the unit is installed at a 20 m distance the quantity of additional refrigerant should be 300 g 20 10 m x 30 g m 300 g 25
Indoor outdoor unit installation diagram 25
Indoor unit there should not be any heat source or steam near the unit there should not be any obstacles blocking the air circulation a place where air circulation in the room is good a place where drainage can be easily done a place where noise prevention is taken into consideration do not install the unit near the door way ensure the spaces indicated by arrows from the wall ceiling fence or other obstacles recommended installation height for indoor unit shall be at least 2 m 25
Installation instruction 25
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 the discharged air if piping length is over 10 m additional refrigerant should be added as shown in the table 25
Select the best location 25
How to fix installation plate 26
Indoor unit 26
Indoor unit installation 26
To drill a hole in the wall and install a sleeve of piping 26
Connect the cable to the indoor unit 28
Connecting the piping 29
Install the outdoor unit 29
Outdoor unit 29
Evacuation of the equipment 30
Connect the cable to the outdoor unit 31
Airflow direction 32
Basic function 32
Internal setting temperature 32
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 32
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 32
Operation and function 32
There are two types of airflow vertical airflow directed by horizontal vane and horizontal airflow directed by vertical vanes 2 control of airflow direction can be automatic angles of direction is determined by operation mode heat exchanger temperature and intake air temperature and manual angles of direction can be adjusted using remote control vertical airflow 32
A purpose to provide quiet cooling operation compare to normal operation 33
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 33
B control condition a quiet operation start condition when quiet button at remote control is pressed quiet led illuminates 33
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 depends on the indoor heat exchanger temperature as figure 1 below 33
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 33
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 33
Quiet operation cooling mode cooling area of soft dry mode 33
Quiet operation heating 34
Quiet operation under soft dry operation dry area at soft dry mode 34
On timer control 35
Powerful mode operation 35
A purpose to monitor air dirtiness level by using gas sensor and activates e ion operation whenever air is dirty 36
Auto restart control 36
B control condition a patrol operation start condition when the unit operation is started with off on button when the unit stops patrol button is pressed patrol individual operation will start during cooling only operation patrol button is pressed 36
Indication panel 36
Note if power led is blinking the possible operation of the unit are hot start during deice operation operation mode judgment or on timer sampling if timer led is blinking there is an abnormality operation occurs if e ion led is blinking there is an abnormality of e ion occurs if patrol led is blinking there is a gas sensor error detection 36
Off timer can be set using remote control the unit with timer set will stop operate at set time 36
Off timer control 36
Patrol operation 36
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 2 this type of control is not applicable during on off timer setting 36
E ion operation 38
30 seconds forced operation 41
A overheating prevention control 1 when the ipm temperature rises to 110 c compressor operation will stop immediately 41
B dc peak current control 1 when electric current to ipm exceeds set value of 30 5 a the compressor will stop operate then operation will restart after three minutes 41
Compressor operation restarts after three minutes the temperature decreases to 95 c 41
However if total outdoor unit running current exceeds y value compressor will be stopped immediately for 2 minutes 41
If the running current does not exceed x value for five seconds the frequency instructed will be increased 41
If the set value is exceeded again more than 30 seconds after the compressor starts the operation will restart after two minutes 41
If the set value is exceeded again within 30 seconds after the compressor starts the operation will restart after one minute if this condition repeats continuously for seven times all indoor and outdoor relays will be cut off 41
Ipm power transistor prevention control 41
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 41
Protection control 41
Protection control for all operations 41
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 41
The first 30 minutes of cooling operation a will be applied 41
Time delay safety control 41
Total running current control 41
When the outdoor unit total running current ac exceeds x value the frequency instructed for compressor operation will be decreased 41
Compressor overheating prevention control 42
Cooling overload control 42
Outdoor air temperature control 42
Protection control for cooling soft dry operation 42
Freeze prevention control 43
Intake air temperature control 43
Outdoor air temperature control 43
Protection control for heating operation 43
Overload protection control 44
Auto off on button 45
Select remote control transmission code 45
Servicing mode 45
Clock button 46
Remote control button 46
Reset ac 46
Reset rc 46
Set button 46
Refrigeration cycle system 47
Troubleshooting guide 47
Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 48
Relationship between the condition of the air conditioner and pressure and electric current 48
Breakdown self diagnosis function 49
Self diagnosis function three digits alphanumeric code 49
Error codes table 50
Note o frequency measured and fan speed fixed 50
The memory data of error code is erased when the power supply is cut off or press the auto switch until beep sound heard following by pressing the check button at remote control although operation forced to stop when abnormality detected emergency operation is possible for certain errors refer to error codes table by using remote control or auto switch at indoor unit however the remote control signal receiving sound is changed from one beep to four beep sounds 50
Disassembly and assembly instructions 51
Indoor electronic controllers cross flow fan and indoor fan motor removal procedures 51
To remove the front grille 51
To remove the main electronic controller 51
To remove the power electronic controller 52
To remove the control board 53
To remove the cross flow fan and indoor fan motor 53
To remove the discharge grille 53
Cs e24gkes cu e24gke 55
Operation characteristics 55
Technical data 55
Cs e28gke cu e28gke 63
Cs e24gkes cu e24gke 71
Cs e28gke cu e28gke 71
Sensible capacity chart 71
Cs e24gkes cs e28gke 72
Exploded view and replacement parts list 72
Note all parts are supplied from phaam malaysia vendor code 061 o marked parts are recommended to be kept in stock 73
Note all parts are supplied from phaam malaysia vendor code 061 o marked parts are recommended to be kept in stock 78
Phaam printed in malaysia sfyw0701 00 78

Panasonic CS-E28GKE / CU-E28GKE Сервис мануал онлайн [13/78] 626938

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