© panasonic ha air-conditioning (m) sdn. Bhd. 2008. Unauthorized copying and distribution is a violation of law. Order no. Phaam0810055c2 air conditioner indoor unit outdoor unit cs-re18jke cu-re18jke cs-re24jke cu-re24jke table of contents page page 1 safety precautions-----------------------------...
2 8 wiring connection diagram --------------------------------- 16 8.1. Indoor unit ------------------------------------------------- 16 8.2. Outdoor unit ----------------------------------------------- 17 9 electronic circuit diagram----------------------------------- 19 9.1. Indoor unit ----------...
3 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...
4 19. During installation, before run the compressor, confirm the refrigerant pipes are fixed. Operation of compressor without fixing the piping, setting the valves at open condition, a burst may occur and cause injury. 20. During pump down operation, stop the compressor before remove the refrigeran...
5 2 specifications model indoor cs-re18jke cs-re24jke outdoor cu-re18jke cu-re24jke performance test condition eurovent eurovent power supply phase, hz single, 50 single, 50 v 230 230 min. Mid. Max. Min. Mid. Max. C o o l i n g capacity kw 0.90 5.00 6.00 0.90 6.80 8.10 btu/h 3070 17100 20500 3070 23...
6 model indoor cs-re18jke cs-re24jke outdoor cu-re18jke cu-re24jke i n d o o r f a n type cross-flow fan cross-flow fan material asg30k1 asg30k1 motor type dc motor dc motor input power w 94.8 85.1 output power w 40 40 speed qlo cool rpm 960 950 heat rpm 1040 1040 lo cool rpm 1040 1050 heat rpm 1120...
7 1. Cooling capacities are based on indoor temperature of 27 qc dry bulb (80.6qf dry bulb), 19.0qc wet bulb (66.2qf wet bulb) and outdoor air temperature of 35 qc dry bulb (95qf dry bulb), 24qc wet bulb (75.2qf wet bulb) 2. Heating capacities are based on indoor temperature of 20 qc dry bulb (68qf ...
8 3 features • inverter technology - wider output range - energy saving - quick cooling - more precise temperature control • environment protection - non-ozone depletion substances refrigerant (r410a) • long installation piping - cs/cu-re18jke, long piping up to 20 meter - cs/cu-re24jke, long piping...
9 4 location of controls and components 4.1. Indoor unit 4.2. Outdoor unit 4.3. Remote control.
10 5 dimensions 5.1. Indoor unit & remote control.
11 5.2. Outdoor unit 5.2.1. Cu-re18jke.
12 5.2.2. Cu-re24jke.
13 6 refrigeration cycle diagram.
14 7 block diagram 7.1. Cs-re18jke cu-re18jke.
15 7.2. Cs-re24jke cu-re24jke.
16 8 wiring connection diagram 8.1. Indoor unit.
17 8.2. Outdoor unit 8.2.1. Cu-re18jke.
18 8.2.2. Cu-re24jke.
19 9 electronic circuit diagram 9.1. Indoor unit.
20 9.2. Outdoor unit 9.2.1. Cu-re18jke.
21 9.2.2. Cu-re24jke.
22 10 printed circuit board 10.1. Indoor unit 10.1.1. Main printed circuit board.
23 10.1.2. Power printed circuit board 10.1.3. Indicator printed circuit board.
24 10.2. Outdoor unit 10.2.1. Main printed circuit board 10.2.1.1. Cu-re18jke.
25 10.2.2. Main printed circuit board 10.2.2.1. Cu-re24jke.
26 10.2.3. Power printed circuit board 10.2.3.1. Cu-re24jke.
27 11 installation instruction 11.1. Select the best location 11.1.1. Indoor unit • do not install the unit in excessive oil fume area such as kitchen, workshop and etc. • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • ...
28 11.2. Indoor unit 11.2.1. How to fix installation plate the mounting wall shall be strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than at right and left of the wall. The distance from installation plate edge to ceiling should more than...
29 1. For the right rear piping 2. For the right and right bottom piping 3. For the embedded piping.
30 (this can be used for left rear piping and left bottom piping also.) 11.2.4. Connect the cable to the indoor unit 1. The inside and outside connecting cable can be connected without removing the front grille. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloropre...
31 cutting and flaring the piping 1. Please cut using pipe cutter and then remove the burrs. 2. Remove the burrs by using reamer. If burrs is not removed, gas leakage may be caused. Turn the piping end down to avoid the metal powder entering the pipe. 3. Please make flare after inserting the flare n...
32 11.3. Outdoor unit 11.3.1. Install the outdoor unit • after selecting the best location, start installation according to indoor/outdoor unit installation diagram. 1. Fix the unit on concrete or rigid frame firmly and horizontally by bolt nut (ø10 mm). 2. When installing at roof, please consider s...
33 11.3.3. Evacuation of the equipment when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1. Connect a charging hose with a push pin to the low side of a charging set and the service port of the 3-way valve. • be sure to conne...
34 5. Secure the power supply cord and connecting cable onto the control board with the holder. 6. Attach the control board cover back to the original position with screw. 7. For wire stripping and connection requirement, refer to instruction of indoor unit. This equipment must be properly earthed. ...
35 12 operation and control 12.1. Basic function 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 mai...
36 12.1.5. Automatic operation • this mode can be set using remote control and the operation is decided by remote control setting temperature, remote control operation mode, indoor intake air temperature and outdoor air temperature. • during operation mode judgment, indoor fan motor (with speed of l...
37 [heating] • according to indoor pipe temperature, automatic heating fan speed is determined as follows. B. Feedback control • immediately after the fan motor started, feedback control is performed once every second. • during fan motor on, if fan motor feedback 2550 rpm or increase, fan motor is t...
38 1. 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 r...
39 12.3. On timer control 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...
40 13 protection control 13.1. Protection control for all operations 13.1.1. Time delay safety control 1. 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. 13.1...
41 13.1.5. Compressor overheating prevention control instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below figure. If compressor discharge temperature exceeds 112 qc, compressor will be stop, occurs 4 times per 20 m...
42 13.1.9. Low frequency protection control 2 • when all the below conditions comply, the compressor frequency will change to lower frequency. 13.2. Protection control for cooling & soft dry operation 13.2.1. Outdoor air temperature control the compressor operating frequency is regulated in accordan...
43 13.2.5. Freeze prevention control 1 1. When indoor heat exchanger temperature is lower than 0 qc continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 13 qc. 3. At the same time, indoor fa...
44 13.3. Protection control for heating operation 13.3.1. Intake air temperature control compressor will operate at maximum frequency if below conditions occur: 1. When the indoor intake air temperature is 30 qc or above. 13.3.2. Outdoor air temperature control the maximum current value is regulated...
45 14 servicing mode 14.1. Auto off/on button 1. Auto operation mode the auto operation will be activated immediately once the auto off/on button is pressed. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. Test run operati...
46 4. Remote control receiving sound off/on mode the remote control receiving sound off/on mode will be activated if the auto off/on button is pressed continuously for more than 16 seconds (4 “beep” sounds will occur at 16th seconds to identify the remote control receiving sound off/on mode is in st...
47 15 troubleshooting guide 15.1. Refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspecting the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor and a f...
48 15.2. Relationship between the condition of the air conditioner and pressure and electric current • carry out the measurements of pressure, electric current, and temperature fifteen minutes after an operation is started. Cooling mode heating mode condition of the air conditoner low pressure high ...
49 15.3. Breakdown self diagnosis function 15.3.1. Self diagnosis function (three digits alphanumeric code) • once abnormality has occurred during operation, the unit will stop its operation, and timer leds blink. • although timer led goes off when power supply is turned off, if the unit is operated...
50 15.4. Error codes table note: “o” - frequency measured and fan speed fixed. 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 whe...
51 15.5. Self-diagnosis method 15.5.1. H11 (indoor/outdoor abnormal communication) malfunction decision conditions • during startup and operation of cooling and heating, the data received from outdoor unit in indoor unit signal transmission is checked whether it is normal. Malfunction caused • fault...
52 15.5.2. H12 (indoor/outdoor capacity rank mismatched) malfunction decision conditions • during startup, error code appears when different types of indoor and outdoor units are interconnected. Malfunction caused • wrong models interconnected. • wrong indoor unit or outdoor unit pcbs mounted. • ind...
53 15.5.3. H14 (indoor intake air temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the indoor intake air temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector co...
54 15.5.4. H15 (compressor temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor compressor temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connecti...
55 15.5.5. H16 (outdoor current transformer open circuit) malfunction decision conditions • a current transformer (ct) is detected by checking the compressor running frequency ( rated frequency) and ct detected input current (less than 0.65a) for continuously 20 seconds. Malfunction caused • ct defe...
56 15.5.6. H19 (indoor fan motor – dc motor mechanism locked) malfunction decision conditions • the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor (feedback of rotation > 2550rpm or malfunction caused • operation stops due to short circuit i...
57 15.5.7. H23 (indoor pipe temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector conn...
58 15.5.8. H27 (outdoor air temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor air temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. • ...
59 15.5.9. H28 (outdoor pipe temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty connector connection. ...
60 15.5.10. H30 (compressor discharge temperature sensor abnormality) malfunction decision conditions • during startup and operation of cooling and heating, the temperatures detected by the outdoor discharge pipe temperature sensor are used to determine sensor errors. Malfunction caused • faulty con...
61 15.5.11. H33 (unspecified voltage between indoor and outdoor) malfunction decision conditions • the supply power is detected for its requirement by the indoor/outdoor transmission. Malfunction caused • wrong models interconnected. • wrong indoor unit and outdoor unit pcbs used. • indoor unit or o...
62 15.5.12. H58 (patrol sensor abnormality) malfunction decision conditions • if patrol sensor feedback is 0v or 5v continuous for 6 hours. • error will display only when the patrol operation is on. Malfunction caused • faulty connector connection. • faulty patrol sensor. Troubleshooting.
63 15.5.13. H97 (outdoor fan motor – dc motor mechanism locked) malfunction decision conditions • the rotation speed detected by the hall ic during fan motor operation is used to determine abnormal fan motor. Malfunction caused • operation stops due to short circuit inside the fan motor winding. • o...
64 15.5.14. H98 (indoor high pressure protection) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions • during heating operation, the temperature detected by the indoor pipe temperature sensor is above 60 qc. Malfunction caused • clogged air filter...
65 15.5.15. H99 (indoor freeze prevention protection: cooling or soft dry) error code will not display (no timer led blinking) but store in eeprom malfunction decision conditions • freeze prevention control takes place (when indoor pipe temperature is lower than 2 qc). Malfunction caused • clogged a...
66 15.5.16. F11 (4-way valve abnormality) malfunction decision conditions • when heating operation, when indoor pipe temperature is below 10 qc. • when cooling operation, when indoor pipe temperature is above 45 qc. Malfunction caused • connector in poor contact. • faulty sensor. • faulty outdoor un...
67 15.5.17. F90 (power factor correction protection) malfunction decision conditions • during startup and operation of cooling and heating, when power factor correction (pfc) protection circuitry at the outdoor unit main pcb senses abnormal high dc voltage level. Malfunction caused • dc voltage peak...
68 15.5.18. F91 (refrigeration cycle abnormality) malfunction decision conditions • during cooling, compressor frequency = fcmax. • during heating, compressor frequency > fhrated. • during cooling and heating operation, running current: 0.65a • during cooling, indoor intake - indoor pipe qc. • durin...
69 15.5.19. F93 (compressor rotation failure) malfunction decision conditions a compressor rotation failure is detected by checking the compressor running condition through the position detection circuit. Malfunction caused • compressor terminal disconnect. • outdoor pcb malfunction. Troubleshooting.
70 15.5.20. F95 (cooling high pressure abnormality) malfunction decision conditions during operation of cooling, when outdoor unit heat exchanger high temperature data (61 qc) is detected by the outdoor pipe temperature sensor. Malfunction caused • outdoor pipe temperature rise due to short circuit ...
71 15.5.21. F96 (ipm overheating) malfunction decision conditions during operating of cooling and heating, when ipm temperature data (100 qc) is detected by the ipm temperature sensor. Multi models only • compressor overheating: during operation of cooling and heating, when the compressor ol is acti...
72 15.5.22. F97 (compressor overheating) malfunction decision conditions during operation of cooling and heating, when compressor tank temperature data (112°c) is detected by the compressor tank temperature sensor. Malfunction caused • refrigerant shortage (refrigerant leakage). • 2/3 way valve clos...
73 15.5.23. F98 (input over current detection) malfunction decision conditions during operation of cooling and heating, when an input over-current (16.8a) is detected by checking the input current value being detected by current transformer (ct) with the compressor running. Malfunction caused • over...
74 15.5.24. F99 (output over current detection) malfunction decision conditions during operation of cooling and heating, when an output over-current (18.5a) is detected by checking the current that flows in the inverter dc peak sensing circuitry. Malfunction caused • dc peak due to compressor failur...
75 16 disassembly and assembly instructions 16.1. Indoor electronic controllers, cross flow fan and indoor fan motor removal procedures 16.1.1. To remove front grille 16.1.2. To remove horizontal vane warning high voltage are generated in the electrical parts area by the capacitor. Ensure that the c...
76 16.1.3. To remove power electronic controller.
77 16.1.4. To remove discharge grille 16.1.5. To remove control board.
78 16.1.6. To remove cross flow fan and indoor fan motor.
79.
80 16.2. Outdoor electronic controller removal procedure (re18jk) 1. Remove the 4 screws of the top panel. Fig. 1 2. Remove the 10 screws of the front panel. Fig. 2 3. Remove the top cover of the electronic controller. Fig. 3 4. Remove the control board. Fig. 4 5. Remove the 8 screws of the electron...
81 17 technical data 17.1. Operation characteristics 17.1.1. Cs-re18jke cu-re18jke cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.
82 cooling characteristic at different piping length condition indoor room temperature: 27/19 qc, 35/-qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.
83 heating characteristic at different outdoor air temperature condition indoor room temperature: 20/- qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.
84 heating characteristic at different piping length condition indoor room temperature: 20/- qc, 7/6qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.
85 17.1.2. Cs-re24jke cu-re24jke cooling characteristic at different outdoor air temperature condition indoor room temperature: 27/19 qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.
86 cooling characteristic at different piping length condition indoor room temperature: 27/19 qc, 35/-qc remote control setting: hi fan, cool 16 qc compressor frequency: f c voltage: 230 v.
87 heating characteristic at different outdoor air temperature condition indoor room temperature: 20/- qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.
88 heating characteristic at different piping length condition indoor room temperature: 20/- qc, 7/6qc remote control setting: hi fan, heat 30 qc compressor frequency: f h voltage: 230 v.
89 17.2. Sensible capacity chart cs-re18jke cu-re18jke cs-re24jke cu-re24jke outdoor temp. ( qc) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0 qc 4.96 3.76 1.35 4.64 3.61 1.45 4.31 3.47 1.55 3.92 3.29 1.67 19.0 qc 5.00 1.47 19.5 qc 5.45 3.94 1.37 5.09 3.78 1.48 4.74 ...
90 18 exploded view and replacement parts list 18.1. Indoor unit.
91 ref no. Part name & description qty. Cs-re18jke cs-re24jke remarks 1 chassy complete 1 cwd50c1623 m 2 fan motor 1 l6cbyyyl0038 m o 3 cross flow fan complete 1 cwh02c1077 m 4 bearing ass’y 1 cwh64k007 m 5 screw - cross flow fan 1 cwh551146 m 6 generator complete 1 — — 7 evaporator 1 cwb30c2900 cwb...
92 (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock. Ref no. Part name & description qty. Cs-re18jke cs-re24jke remarks 49 installation instruction 1 cwf613910 m 50 installation instruction 1 cwf613911 m 51 installat...
93 18.2. Cu-re18jke 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..
94 (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock. Ref no. Part name & description qty. Cu-re18jke remarks 1 chassy ass’y 1 cwd50k2085 2 anti-vibration bushing 3 cwh50077 3 compressor 1 5cs130xad04 o 4 nut-compress...
95 18.3. Cu-re24jke 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..
96 (note) • all parts are supplied from phaam, malaysia (vendor code: 00029488). • “o” marked parts are recommended to be kept in stock. [phaam] printed in malaysia sstk0810 - 00 ref no. Part name & description qty. Cu-re24jke remarks 1 chassy ass’y 1 cwd52k1190 2 anti - vibration bushing 3 cwh50055...