Panasonic CS-HE12NKE [15/110] Refrigeration cycle diagram

6. Refrigeration Cycle Diagram

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Cs he9nke cs he12nke cs ae9nke 1
Cu he9nke cu he12nke cu ae9nke 1
Indoor unit outdoor unit 1
Table of contents table of contents 1
Carry out test run 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
Caution 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
Warning 3
Caution 4
Warning 4
Specification 5
Features 11
Indoor unit 12
Location of controls and components 12
Outdoor unit 12
Remote control 12
Dimensions 13
Indoor unit 13
Outdoor unit 14
Refrigeration cycle diagram 15
Block diagram 16
Indoor unit 17
Wiring connection diagram 17
Outdoor unit 18
Electronic circuit diagram 19
Indoor unit 19
Outdoor unit 20
Indicator printed circuit board 21
Indoor unit 21
Main printed circuit board 21
Printed circuit board 21
High voltage power supply printed circuit board 22
Receiver printed circuit board 22
Main printed circuit board 23
Outdoor unit 23
Indoor outdoor unit installation diagram 24
Indoor unit 24
Installation instruction 24
Outdoor unit 24
Select the best location 24
How to fix installation plate 25
Indoor unit 25
To drill a hole in the wall and install a sleeve of piping 25
Connect the cable to the indoor unit 27
Wire stripping connecting requirement 28
Connect the piping 30
Connecting the piping to indoor 30
Connecting the piping to outdoor 30
Install the outdoor unit 30
Outdoor unit 30
Evacuation of the equipment 31
Connect the cable to the outdoor unit 32
Cutting and flaring the piping 32
Outdoor unit drain water 32
Piping insulation 32
Basic function 33
Cooling operation 33
Heating operation 33
Internal setting temperature 33
Operation and control 33
Soft dry operation 33
Thermostat control 33
Automatic operation 34
Fan operation 34
Indoor fan motor operation 34
Airflow direction 35
Outdoor fan motor operation 35
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 it does not swing during fan motor stop 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 depands on the indoor heat exchanger temperature as figure 1 below it does not swing during fan motor stop when the air conditioner is stopped using remote control the vane will shift to close position 2 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
Horizontal airflow 36
Vertical airflow 36
Quiet operation cooling mode cooling area of dry mode 37
Quiet operation heating 37
Auto restart control 38
Off timer control 38
On timer control 38
Powerful mode operation 38
Timer control 38
Indication panel 39
Nanoe g operation 40
Press continuously for 15s 41
Remote control normal mode 41
Transmit check code and after 2 seconds return to normal mode 41
Transmit eco demo code and after 2 seconds return to normal mode 41
Transmit sunlight sensor check code and after 2 seconds return to normal mode 41
Econavi operation 43
Judge ambient condition 43
Judge sunlight intensity 43
Sunlight intensity reset 43
Sunlight sensor 43
Temperature shift 43
Default battery insert set to level 3 other than default display last set data 44
Judge sunlight intensity 44
Press and release within 10s 44
Press timer 44
Remote control normal mode 44
Security level 1 less sensitive to sunlight intensity 44
Security level 3 default sensitivity level 44
Security level 5 more sensitive to sunlight intensity 44
Set to level 1 44
Set to level 2 44
Set to level 4 44
Set to level 5 44
Transmit solar radiation level after 2 secs go back to normal mode 44
Econavi is activated while it is cloudy night econavi is activated while it is sunny 45
Judge ambient condition 45
Press continuously for 15s 45
Remote control normal mode 45
Sunlight sensor check mode 45
Temperature shift 45
Transmit check code and after 2 seconds return to normal mode 45
Transmit eco demo code and after 2 seconds return to normal mode 45
Transmit sunlight sensor check code and after 2 seconds return to normal mode 45
Sunlight sensor abnormality 46
8 10 c heat operation 47
Ipm power transistor prevention control 48
Protection control 48
Protection control for all operations 48
Restart control time delay safety control 48
Total running current control 48
Compressor overheating prevention control 49
Low frequency protection control 1 49
Low frequency protection control 2 49
Low pressure prevention control gas leakage detection 49
Cooling overload control 50
Dew prevention control 1 50
Freeze prevention control 1 50
Freeze prevention control 2 50
Outdoor air temperature control 50
Protection control for cooling soft dry operation 50
Dew prevention control 2 51
Intake air temperature control 51
Odor cut control 51
Outdoor air temperature control 51
Protection control for heating operation 51
Cold draught prevention control 52
Compressor oil return control 52
Deice operation 52
Overload protection control 52
Auto off on button 53
Servicing mode 53
Remote control button 54
Reset ac 54
Reset rc 54
Set button 54
Refrigeration cycle system 55
Troubleshooting guide 55
Relationship between the condition of the air conditioner and pressure and electric current 56
Breakdown self diagnosis function 57
Self diagnosis function three digits alphanumeric code 57
Temporary operation depending on breakdown status 57
To clear memorized error protective operation status after repair 57
To display memorized error protective operation status 57
To make a diagnosis 57
Error code table 58
H11 indoor outdoor abnormal communication 60
Self diagnosis method 60
H12 indoor outdoor capacity rank mismatched 61
H14 indoor intake air temperature sensor abnormality 62
H15 compressor temperature sensor abnormality 63
H16 outdoor current transformer open circuit 64
H19 indoor fan motor dc motor mechanism locked 65
H23 indoor pipe temperature sensor 1 abnormality 66
H24 indoor pipe temperature sensor 2 abnormality 67
H25 e ion air purifying system abnormal 68
0 h27 outdoor air temperature sensor abnormality 69
1 h28 outdoor pipe temperature sensor abnormality 70
2 h30 compressor discharge temperature sensor abnormality 71
3 h32 outdoor heat exchanger temperature sensor 2 abnormality 72
4 h33 unspecified voltage between indoor and outdoor 73
5 h34 outdoor heat sink temperature sensor abnormality 74
6 h36 outdoor gas pipe sensor abnormality 75
7 h37 outdoor liquid pipe temperature sensor abnormality 76
8 h97 outdoor fan motor dc motor mechanism locked 77
9 h98 indoor high pressure protection 78
0 h99 indoor freeze prevention protection cooling or soft dry 79
1 f11 4 way valve abnormality 80
2 f17 indoor standby units freezing abnormality 81
3 f90 power factor correction protection 82
4 f91 refrigeration cycle abnormality 83
5 f93 compressor rotation failure 84
6 f95 cooling high pressure abnormality 85
7 f96 ipm overheating 86
8 f97 compressor overheating 87
9 f98 input over current detection 88
0 f99 output over current detection 89
Disassembly and assembly instructions 90
Indoor electronic controllers cross flow fan and indoor fan motor removal procedures 90
Indoor unit 90
To remove electronic controller 90
To remove front grille 90
To remove discharge grille 91
To remove control board 92
To remove cross flow fan and indoor fan motor 92
Outdoor electronic controller removal procedure 95
Cu he9nke cu ae9nke 96
Operation characteristics 96
Technical data 96
Cu he12nke 100
Cu he12nke 104
Cu he9nke cu ae9nke 104
Sensible capacity chart 104
Tc total cooling capacity kw shc sensible heat capacity kw ip input power kw indoor 27 c 19 c outdoor 35 c 24 c 104
Exploded view and replacement parts list 105
Indoor unit 105
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 105
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 108
Outdoor unit 108

Panasonic CS-HE12NKE [15/110] Refrigeration cycle diagram

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