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Panasonic CU-E28EKES [3/77] Safety precautions
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1 Safety Precautions
• Read the following “SAFETY PRECAUTIONS” carefully before perform any servicing.
• Electrical work must be installed or serviced by a licensed electrician. Be sure to use the correct rating of the power plug and
main circuit for the model installed.
• The caution items stated here must be followed because these important contents are related to safety. The meaning of each
indication used is as below.
Incorrect installation or servicing due to ignoring of the instruction will cause harm or damage, and the seriousness is classified
by the following indications.
The items to be followed are classified by the symbols:
• Carry out test running to confirm that no abnormality occurs after the servicing. Then, explain to user the operation, care and
maintenance as stated in instructions. Please remind the customer to keep the operating instructions for future reference.
This indication shows the possibility of causing death or serious injury.
This indication shows the possibility of causing injury or damage to properties.
This symbol denotes item that is PROHIBITED from doing.
1. Engage dealer or specialist for installation and servicing. If installation or servicing done by the user is defective, it will cause water leakage,
electrical shock or fire.
2. Install according to this installation instructions strictly. If installation is defective, it will cause water leakage, electrical shock or fire.
3. Use the attached accessories parts and specified parts for installation and servicing. Otherwise, it will cause the set to fall, water leakage,
fire or electrical 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 the 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 cause electrical shock or fire.
6. Use the specified cable and connect tightly for indoor/outdoor connection. Connect tightly and clamp the cable so that no external force will
be acted on the terminal. If connection or fixing is not perfect, it will cause heat-up or fire at the connection.
7. Wire routing must be properly arranged so that control board cover is fixed properly. If control board cover is not fixed perfectly, it will cause
heat-up at connection point of terminal, fire or electrical shock.
8. When connecting the piping, do not allow air or any substances other than the specified refrigerant to enter the refrigeration
cycle. Otherwise, this may lower the capacity, cause abnormally high pressure in the refrigeration cycle, and possibly result in
explosion and injury.
9. Thickness of copper pipes used must be more than 0.8 mm. Never use copper pipes thinner than 0.8 mm.
10. It is desirable that the amount of residual oil is less than 40 mg/10 m.
11. Do not modify the length of the power supply cord or use of the extension cord, and do not share the single outlet with other
electrical appliances. Otherwise, it will cause fire or electrical shock.
1. The equipment must be earthed. It may cause electrical shock if grounding is not perfect.
2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding
of the unit, it may cause fire.
Содержание
- Air conditioner 1
- Cs e24ekes cu e24eke 1
- Cs e28eke cu e28eke 1
- Table of contents 1
- Carry out test running to confirm that no abnormality occurs after the servicing then explain to user the operation care and maintenance as stated in instructions please remind the customer to keep the operating instructions for future reference 3
- Read the following safety precautions carefully before perform any servicing electrical work must be installed or serviced by a licensed electrician be sure to use the correct rating of the power plug and main circuit for the model installed the caution items stated here must be followed because these important contents are related to safety the meaning of each indication used is as below incorrect installation or servicing due to ignoring of the instruction will cause harm or damage and the seriousness is classified by the following indications 3
- Safety precautions 3
- The items to be followed are classified by the symbols 3
- Cs e24ekes cu e24eke 5
- Specifications 5
- Specifications are subject to change without notice for further improvement 6
- Cs e28eke cu e28eke 7
- Specifications are subject to change without notice for further improvement 8
- Features 9
- Location of controls and components 10
- Example for e24ek 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 28
- Indoor outdoor unit installation diagram 28
- 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 28
- Installation instruction 28
- 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 28
- Select the best location 28
- How to fix installation plate 29
- Indoor unit 29
- Indoor unit installation 29
- To drill a hole in the wall and install a sleeve of piping 29
- Connect the cable to the indoor unit 31
- Connecting the piping 32
- Install the outdoor unit 32
- Outdoor unit 32
- Evacuation of the equipment 33
- Connect the cable to the outdoor unit 34
- Airflow direction 35
- Basic function 35
- Internal setting temperature 35
- 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 35
- 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 35
- Operation and function 35
- 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 35
- A purpose to provide quiet cooling operation compare to normal operation 36
- 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 36
- B control condition a quiet operation start condition when quiet button at remote control is pressed quiet led illuminates 36
- 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 36
- 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 36
- 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 36
- Quiet operation cooling mode cooling area of soft dry mode 36
- Quiet operation heating 37
- Quiet operation under soft dry operation dry area at soft dry mode 37
- On timer control 38
- Powerful mode operation 38
- Auto restart control 39
- Ionizer operation 39
- Off timer control 39
- 30 seconds forced operation 40
- A overheating prevention control 1 when the ipm temperature rises to 110 c compressor operation will stop immediately 40
- 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 40
- Compressor operation restarts after three minutes the temperature decreases to 95 c 40
- However if total outdoor unit running current exceeds y value compressor will be stopped immediately for 2 minutes 40
- If the running current does not exceed x value for five seconds the frequency instructed will be increased 40
- If the set value is exceeded again more than 30 seconds after the compressor starts the operation will restart after two minutes 40
- 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 40
- Ipm power transistor prevention control 40
- 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 40
- Protection control 40
- Protection control for all operations 40
- 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 40
- The first 30 minutes of cooling operation a will be applied 40
- Time delay safety control 40
- Total running current control 40
- When the outdoor unit total running current ac exceeds x value the frequency instructed for compressor operation will be decreased 40
- Compressor overheating prevention control 41
- Cooling overload control 41
- Outdoor air temperature control 41
- Protection control for cooling soft dry operation 41
- Freeze prevention control 42
- Intake air temperature control 42
- Outdoor air temperature control 42
- Protection control for heating operation 42
- Overload protection control 43
- Auto switch operation 44
- Selecting the wireless remote control transmission code 44
- Servicing mode 44
- Indication panel 45
- Note if power led is blinking the possible operations of the unit are hot start during deice operation operation mode judgment or delay on timer sampling if timer led is blinking there is an abnormality operation occurs if ionizer led is blinking there is an abnormality of ionizer occurs 45
- Refrigeration cycle system 46
- Troubleshooting guide 46
- Carry out the measurements of pressure electric current and temperature fifteen minutes after an operation is started 47
- Relationship between the condition of the air conditioner and pressure and electric current 47
- Breakdown self diagnosis function 48
- Self diagnosis function three digits alphanumeric code 48
- Error codes table 49
- Note o frequency measured and fan speed fixed 49
- 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 49
- Disassembly and assembly instructions 50
- Cs e24ekes cu e24eke 54
- Operation characteristics 54
- Technical data 54
- Cs e28eke cu e28eke 62
- Cs e24ekes cu e24eke 70
- Cs e28eke cu e28eke 70
- Sensible capacity chart 70
- Cs e24ekes cs e28eke 71
- Exploded view and replacement parts list 71
- Note all parts are supplied from phaam malaysia vendor code 061 o marked parts are recommended to be kept in stock 72
- Note all parts are supplied from phaam malaysia vendor code 061 o marked parts are recommended to be kept in stock 77
- Phaam printed in malaysia sfyw060 3 0 2 77
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