© panasonic appliances air-conditioning (guangzhou) co.,ltd (papagz )2012. Unauthorized copying and distribution is a violation of law. Order no: papagz120408ce indoor unit outdoor unit cs-le9nkd cs-le12nkd cu-le9nkd cu-le12nkd table of contents 1. Safety precautions ...................................
2 14.2 breakdown self diagnosis function ............37 15. Technical data ..................................................39 15.1 operation characteristics.............................39 16. Disassembly and assembly instructions ......47 17. Exploded view and replacement pars list ...51 17.1 indo...
3 caution warning warning 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. •...
4 caution 17. During installation, install the refrigerant piping properly before running the compressor. Operation of compressor without fixing refrigeration piping and valves at opened condition will cause suck-in of air, abnormal high pressure in refrigeration cycle and result in explosion, injur...
5 2. Specification indoor cs-le9nkd cs-le12nkd model outdoor cu-le9nkd cu-le12nkd phase, hz single, 50 single, 50 power supply v 220 220 min rate max min rate max kw 0.90 2.50 3.00 0.900 3.300 3.900 btu/h 3070 8530 10230 3070 11250 13300 capacity kcal/h 770 2150 2580 770 2840 3350 running current a ...
6 hi m 3 /min (ft 3 /m) 12.0 (424) 13.3 (470) q-lo m 3 /min (ft 3 /m) 6.8 (239) 8.0 (283) lo m 3 /min (ft 3 /m) 7.9 (279) 9.7 (344) me m 3 /min (ft 3 /m) 9.2 (326) 11.1 (392) indoor airflow (heating) hi m 3 /min (ft 3 /m) 11.5 (406) 12.6 (445) hi (cooling) m 3 /min (ft 3 /m) 32.9 (1162) 36.8 (1300) ...
7 3. Features • inverter technology o wider output power range o energy saving o quick cooling o more precise temperature control • long installation piping o cs/cu-le9/12nkd, long piping up to 15 meters. • easy to use remote control • quality improvement o random auto restart after power failure fo...
8 4. Location of controls and components 4.1 indoor unit 4.2 outdoor unit 4.3 remote control for normal operation, error reset and check button is not in use. Press reset button to restore the remote control’s default setting. Power green timer orange auto comfort green indicator econavi green front...
9 5. Dimensions 5.1 indoor unit unit ： ： ： ： mm.
10 5.2 outdoor unit cu-le9nkd unit: mm cu-le12nkd.
11 6. Refrigeration cycle diagram cs/cu-le9nkd, cs/cu- le12nkd cooling heating.
12 7. Block diagram c s /c u -l e 9 n k d c s /c u -l e 1 2 n k d.
13 8. Block diagram cs/cu-le9nkd.
14 cs/cu-le12nkd.
15 9. Printed circuit board 9.1 indoor unit.
16 10. Installation instruction 10.1 select the best location 10.1.1 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. • a...
17 wall indoor outdoor 15 mm sleeve for tube ass’y approx. 5 - 7 mm bushing for tube ass’y putty or caulking compound Ø 70 through hole 10.2 indoor unit 10.2.1 how to fix installation plate the mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plat...
18 10.2.3 indoor unit installation.
19 10.2.4 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 polychloroprene sheathed 4x 1.5mm 2 flexible cords, type designation 245 iec 57 or he...
20 connecting the piping to outdoor unit decide piping length and then cut by using pipe cutter. Remove burrs from cut edge. Make flare after inserting the flare nut (locate at valve) onto the copper pipe. Align center of piping to valves and then tighten with torque wrench to the specified torque a...
21 caution: ● if gauge needle does not move from 0 cmhg (0 mpa) to -76 cmhg (-0.1 mpa), in step 3 above take the following measure: ● if the leak stops when the piping connections are tightened further, continue working from step 3. ● if the leak does not stop when the connections are retightened, r...
22 11. Service mode 11.1 auto off/on button 1. Auto operation mode once the auto off/on button is slightly pressed, the unit will immediately operate in auto operation. This operation can be used to operate air conditioner with limited function if remote control is misplaced or malfunction. 2. Test ...
23 11.3 operate and display of remote control 11.3.1 original setting 11.3.2 mode selecting button a uto, heat, cool, dry can be selected by pressing “mode” button. Initial display of lcd is as follow *keeping the button depressed continuously, the operation mode will change in the following order i...
24 11.3.7 auto comfort button to maximize comfort. Start auto comfort operation: press auto comfort button on remote control, “econavi” displays on remote control screen and send signal to indoor unit to turn on auto comfort operation mode. Auto comfort indicator on indoor unit lights up. To stop au...
25 note: off timer and off- on timer can only be set during the operation; timer setting can operate only once. If the off/on button on the remote control or the auto switch on the indoor unit is pressed, the timer setting will be cancelled. If auto restart control occurs, timer setting will be canc...
26 12.1.2 cooling operation 12.1.2.1 thermostat control • compressor is off when intake air temperature – internal setting temperature ℃ • compressor is on after waiting for 3 minutes, if the intake air temperature – internal setting temperature > compressor off point +0.5k. 12.1.3 soft dry operatio...
27 12.1.5 automatic operation • once auto mode is selected, operation mode is determined by set temperature of remote control and indoor intake temperature. 1 st judgment judge condition referance mode if indoor intake temp – remote control temp setting ≥ +2 cool mode if -2 ≤ indoor intake temp. – r...
28 remote control o o o o o quiet model tab hi me+ me me- lo qlo cooling(rpm) 1060 980 900 820 740 560 cs-le9nkd heating(rpm) 1020 880 820 760 700 600 cooling(rpm) 1150 1060 960 860 760 560 cs-le12nkd heating(rpm) 1100 1030 970 910 850 700 ii. Auto fan speed (cooling, soft dry mode) according to roo...
29 12.3.3 powerful operation ● to cooling or heating the room faster comparing to normal operation. The powerful operation can be active or stop by pressing powerful button on remote control. ● when powerful operation is active, the unit will continuously operate in powerful mode until cancel the mo...
30 (4) human presence or absence detection flow: process infrared sensor output signal of human detection every 3 seconds. Record human detection result save the result once every 30 seconds. Presence / absence detection compare current and previous human detection result every 30 seconds to determi...
31 timer signal receiving sound during operation. Timer signal receiving sound when the air conditioner stops. 13. Protection control 13.1 protection control for all operations 13.1.1 time delay safety control ● the compressor will not turn on within 3 minutes from the moment operation stops, althou...
32 ● if the set value is exceeded again within 30 seconds, the operation will restart after one minute. ● if this condition repeats continuously for seven times, all indoor and outdoor relays will be cut off. ● error code [f99] will be displayed. 1. Overheating protection control when the ipm temper...
33 13.2 protection control for cooling and soft dry operation 13.2.1 outdoor air temperature control • the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. • this control will begin 1 minute after the compressor starts. • compres...
34 - outdoor air temperature is less than 34 ℃ . • this control stopped if anyone of the following conditions is achieved: - outdoor air temperature is over 34 ℃ - intake air temperature is less than 24 ℃ . - operation without cooling or soft dry mode. 13.2.4 overload protection for cooling operatio...
35 13.3.2 overload protection control frequency of compressor is determined by indoor piping temperature..
36 14. Troubleshooting guide 14.1 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...
37 14.1.2 relationship between the condition of the air conditioner and pressure and electric current cooling mode heating mode condition of the air conditioner low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refr...
38 14.2.3 error codes table code abnormality/protection judgment check emergency operation h00 normal h11 indoor/outdoor abnormal communication >1 minute after starting operation connecting cable, indoor/outdoor pcb ○ h14 indoor intake air temp sensor abnormality - intake air temperature sensor(defe...
39 15. Technical data 15.1 operation characteristics 15.1.1 cs-le9nkd cu-le9nkd cooling characteristic at different outdoor air temperature.
40 cooling characteristic at different piping length.
41 heating characteristic at different outdoor air temperature.
42 heating characteristic at different piping length.
43 15.1.2 cs-le12nkd cu-le12nkd cooling characteristic at different outdoor air temperature.
44 cooling characteristic at different piping length.
45 heating characteristic at different outdoor air temperature.
46 heating characteristic at different piping length.
47 warning 16. Disassembly and assembly instructions high voltage is generated in the electrical parts area by the capacitor. Ensure that the capacitor has discharged sufficiently before proceeding with repair work. Failure to heed this caution may result in electric shocks. 1. Open the intake grill...
48 2.Remove the air filters and then pull out the front grille form the unit body. 1. Separate the drain hose and the drain plate. 2. Loose fixing screw to remove the human sensor 3. Pull out the discharge slightly. Front grille removal procedure for discharge grille.
49 1. Remove top cover of c-box and pcb holder 2. Slightly pull out the supporting hook to the right side and pull up a bit the main pcb. Then release the lead wire connected to cn-fm, cn-fb, cn-stm3, cn-human, cn-th, ac2, ac4 on main pcb, disconnect the wire connected to terminal 1(l), 3. The pcb c...
50 3.After removing the bearing, indoor fan can be taken out from the left side 4.Lift up the indoor fan slightly, and then pull the fan motor out. Loose the screw of human sensor complete, which is fixing to the discharge grille. Remove the upper cover of human sensor complete, take out the sensor ...
51 17. Exploded view and replacement pars list 17.1 indoor unit cs-le9nkd, cs-le12nkd.
52 no. Parts name q’ty cs-le9nkd cs-le12nkd remark 1 chassis complete 1 cwd50c1728 cwd50c1728 2 fan motor(ac,220v,25w) 1 cwa921477 cwa921475 3 cross flow fan complete 1 cwh02c1101 cwh02c1101 4 evaporator 1 cwb30c3955 cwb30c3955 5 auxiliary tube ass’y 1 cwt01c5374 cwt01c5374 6 drain plug 1 cwh521096 ...
53 17.2 outdoor unit cu-le9nkd.
54 cu-le12nkd.
55 no part name&description q'ty cu-le9nkd cu-le12nkd remark 1 chassis ass'y 1 cwd52k1299a cwd52k1284a 2 fan motor bracket 1 cwd541177 cwd541145 3 screw-fan motor bracket 2 cwh551148a cwh551148a fan motor(ac,220v,20w) 1 cwa951835 - 4 fan motor(ac,220v,30w) 1 - cwa951787 5 screw-fan motor mount 4 cwh...
