© panasonic corporation 2013 order no: papamy1301095ce air conditioner indoor unit cs-me9pb4ea cs-me12pb4ea cs-me18pb4ea cs-me21pb4ea destination europe please file and use this manual together with the service manual for model no. Cu-2e15pbe cu-2e18pbe cu-3e18pbe cu-4e23pbe, order no. Papamy1301048...
2 table of contents 1. Safety precautions ............................................. 3 2. Specifications ..................................................... 5 3. Features ............................................................. 27 4. Location of controls and components .......... 28 4.1 in...
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 warning 19. During installation, install the refrigerant piping properly before run 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, ...
5 2. Specifications model indoor / outdoor cs-me9pb4ea / cu-2e15pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.10 2.50 3.50 btu/h 3750 8530 11900 running current a - 3.15 - input power w 220 670 1.00k annual consumption kwh - 335 ...
6 model indoor / outdoor cs-me9pb4ea / cu-2e15pbe dimension height (i/d) mm 260 width (i/d) mm 575 depth (i/d) mm 575 weight net (i/d) kg 18 piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminiu...
7 model indoor / outdoor cs-me9pb4ea / cu-2e18pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.10 2.50 3.50 btu/h 3750 8530 11900 running current a - 3.15 - input power w 220 670 1.00k annual consumption kwh - 335 - eer w/w 5.00 3.7...
8 model indoor / outdoor cs-me9pb4ea / cu-2e18pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 210...
9 model indoor / outdoor cs-me9pb4ea / cu-3e18pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.80 2.50 2.90 btu/h 6140 8530 9890 running current a - 3.00 - input power w 340 630 810 annual consumption kwh - 315 - eer w/w 5.29 3.97 3...
10 model indoor / outdoor cs-me9pb4ea / cu-3e18pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 21...
11 model indoor / outdoor cs-me9pb4ea / cu-4e23pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.80 2.50 2.90 btu/h 6140 8530 9890 running current a - 3.20 - input power w 340 630 810 annual consumption kwh - 315 - eer w/w 5.29 3.97 ...
12 model indoor / outdoor cs-me9pb4ea / cu-4e23pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 21...
13 model indoor / outdoor cs-me12pb4ea / cu-2e15pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.10 3.20 4.00 btu/h 3750 10900 13600 running current a - 4.30 - input power w 220 920 1.22k annual consumption kwh - 460 - eer w/w 5.00 ...
14 model indoor / outdoor cs-me12pb4ea / cu-2e15pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 2...
15 model indoor / outdoor cs-me12pb4ea / cu-2e18pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.10 3.20 4.00 btu/h 3750 10900 13600 running current a - 4.30 - input power w 220 920 1.22k annual consumption kwh - 460 - eer w/w 5.00 ...
16 model indoor / outdoor cs-me12pb4ea / cu-2e18pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 2...
17 model indoor / outdoor cs-me12pb4ea / cu-3e18pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.80 3.20 3.80 btu/h 6140 10900 13000 running current a - 3.70 - input power w 340 800 1.36k annual consumption kwh - 400 - eer w/w 5.29 ...
18 model indoor / outdoor cs-me12pb4ea / cu-3e18pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 2...
19 model indoor / outdoor cs-me12pb4ea / cu-4e23pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.80 3.20 3.80 btu/h 6140 10900 13000 running current a - 3.90 - input power w 340 800 1.36k annual consumption kwh - 400 - eer w/w 5.29 ...
20 model indoor / outdoor cs-me12pb4ea / cu-4e23pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 2...
21 model indoor / outdoor cs-me18pb4ea / cu-3e18pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.90 5.00 5.70 btu/h 6480 17100 19400 running current a - 6.80 - input power w 340 1.55k 2.13k annual consumption kwh - 775 - eer w/w 5.5...
22 model indoor / outdoor cs-me18pb4ea / cu-3e18pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) (use cz-ma1p to convert id gas side tube connector 12.7 9.52) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type sli...
23 model indoor / outdoor cs-me18pb4ea / cu-4e23pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.90 5.00 5.70 btu/h 6480 17100 19400 running current a - 7.20 - input power w 340 1.55k 2.13k annual consumption kwh - 775 - eer w/w 5.5...
24 model indoor / outdoor cs-me18pb4ea / cu-4e23pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) (use cz-ma1p to convert id gas side tube connector 12.7 9.52) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type sli...
25 model indoor / outdoor cs-me21pb4ea / cu-4e23pbe performance test condition eurovent power supply phase, hz single, 50 v 230 min. Mid. Max. Cooling capacity kw 1.90 6.00 6.20 btu/h 6480 20500 21100 running current a - 9.20 - input power w 340 2.03k 2.33k annual consumption kwh - 1015 - eer w/w 5....
26 model indoor / outdoor cs-me21pb4ea / cu-4e23pbe piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 12.7 (1/2) drain hose inner diameter mm 30 length mm 193 indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 2 x 10 x 18 size (w x h x l) mm 1330 x 2...
27 3. Features inverter technology o wider output power range o energy saving o quick cooling o quick heating o more precise temperature control environment protection o non-ozone depletion substances refrigerant (r410a) long installation piping o long piping up to 20 meter (2e15/18pbe), 25 me...
28 4. Location of controls and components 4.1 indoor unit 4.2 outdoor unit 4.3 remote control.
29 5. Dimensions 5.1 indoor unit.
30 6. Refrigeration cycle diagram.
31 7. Block diagram.
32 8. Wiring connection diagram 8.1 indoor unit.
33 9. Electronic circuit diagram 9.1 indoor unit.
34 10. Printed circuit board 10.1 indoor unit 10.1.1 main printed circuit board.
35 11. Installation instruction 11.1 indoor unit installation diagram 11.2 selecting the location for the indoor unit provide a check port on the piping side ceiling for repair and maintenance. install the indoor unit once the following conditions are satisfied and after receiving the customer app...
36 note thoroughly study the following installation locations 1 in such places as restaurants and kitchens, considerable amount of oil steam and flour adhere to the turbo fan, the fin of the heat exchanger and the drain pump, resulting in heat exchange reduction, spraying, dispersing of water drop...
37 positions of air conditioner body and ceiling surface 11.4 refrigerant piping refrigerant is charged to the outdoor unit. For details, see the manual for installation work of outdoor unit. (additional charging, etc.) 1 brazing for piping. O execute brazing before tightening the flare nut. O bra...
38 11.5 indoor unit drain piping during drain piping connection, be careful not to exert extra force on the drain port at the indoor unit. the outside diameter of the drain connection at the indoor unit is 32mm. Piping material: polyvinyl chloride pipe vp-25 and pipe fittings. be sure to perfo...
39 11.6 heat insulation be sure to perform heat insulation on the drain, liquid and gas piping. Imperfection in heat insulation work leads to water leakage. 1 use the heat insulation material for the refrigerant piping which has an excellent heat-resistance (over 120°c). 2 precautions in high humidi...
40 11.7 connecting the cable to the indoor unit remove the mounting screw, remove the control box cover, and then connect the wires by following the procedure given in the illustration. connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 4 x 1.5 mm 2 ...
41 11.8 installation of decorative panel the decorative panel has its installation direction. Confirm the direction by displaying the piping side. 1 remove the air inlet grille by moving the catchers to center. 2 fitting the decorative panel o temporarily secure the fixing screws (3 pcs.) before fit...
42 4 open the indoor control box cover. (2 pcs) 5 insert firmly the connector of cosmetic louver to indoor pcb cn-stm1, cn-stm2 and cn-disp. Be caution not to clamp the cord in between control board and control board cover. Be caution not to clamp the cord in between control board and control board ...
43 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...
44 12.1.4 heating operation 12.1.4.1 thermostat control compressor is off when intake air temperature - internal setting temperate > +2.0°c. compressor is on after waiting for 3 minutes, if the intake air temperature - internal setting temperature compressor off point. 12.1.5 automatic operation...
45 ii. Auto fan speed [cooling, dry] according to room temperature and setting temperature, indoor fan speed is determined automatically. the indoor fan will operate according to pattern below. [heating] according to indoor pipe temperature, automatic heating fan speed is determined as follows...
46 12.3 quiet operation (cooling mode/cooling area of soft dry mode) a. Purpose to provide quiet cooling operation compare to normal operation. B. Control condition a. Quiet operation start condition when “quiet” button at remote control is pressed. Quiet led illuminates. B. Quiet operation stop c...
47 c. Control contents a. Fan speed auto indoor fm rpm depends on pipe temperature sensor of indoor heat exchanger. Auto fan speed is changed from normal setting to quiet setting of respective fan speed. This is to reduce sound of hi, me, lo for 3db. B. Fan speed manual manual fan speed for quie...
48 12.7 indication panel led power timer quiet powerful air swing color green orange orange orange orange light on operation on timer setting on quiet mode on powerful mode on auto air swing on light off operation off timer setting off quiet mode off powerful mode off auto air swing off note: if p...
49 13. Servicing mode 13.1 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 operation...
50 13.2 select remote control transmission code there are 4 types of remote control transmission code could be selected and stored in eeprom of indoor unit. The indoor unit will only operate when received signal with same transmission code from remote control. This could prevent signal interferenc...
51 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...
52 14.2 relationship between the condition of the air conditioner and pressure and electric current condition of the air conditioner cooling mode heating mode low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refrig...
53 14.3 breakdown self diagnosis function 14.3.1 self diagnosis function (three digits alphanumeric code) once abnormality has occurred during operation, the unit will stop its operation, and timer led blinks. although timer led goes off when power supply is turned off, if the unit is operated u...
54 14.4 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 when...
55 14.5 self-diagnosis method 14.5.1 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 faulty ...
56 14.5.2 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. indo...
57 14.5.3 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 con...
58 14.5.4 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 connectio...
59 14.5.5 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...
60 14.5.6 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 in...
61 14.5.7 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 conne...
62 14.5.8 h24 (indoor pipe temperature sensor 2 abnormality) malfunction decision conditions during startup and operation of cooling and heating, the temperatures detected by the indoor heat exchanger temperature sensor 2 are used to determine sensor errors. Malfunction caused faulty connector c...
63 14.5.9 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. f...
64 14.5.10 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. ...
65 14.5.11 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 conn...
66 14.5.12 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. op...
67 14.5.13 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°c. Malfunction caused air short circuit. ...
68 14.5.14 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°c) malfunction caused air short ci...
69 14.5.15 f11 (4-way valve abnormality) malfunction decision conditions when heating operation, when indoor pipe temperature is below 10°c when cooling operation, when indoor pipe temperature is above 45°c malfunction caused connector in poor contact. faulty sensor. faulty outdoor unit pc...
70 14.5.16 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 ...
71 14.5.17 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 during hea...
72 14.5.18 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. faulty outdoor pcb. faulty compressor...
73 14.5.19 f95 (cooling high pressure abnormality) malfunction decision conditions during operation of cooling, when outdoor unit heat exchanger high temperature data (61°c) is detected by the outdoor pipe temperature sensor. Malfunction caused air short circuit at indoor unit. dust accumulati...
74 14.5.20 f96 (ipm overheating) malfunction decision conditions during operating of cooling and heating, when ipm temperature data (100°c) is detected by the ipm temperature sensor. Multi models only o compressor overheating: during operation of cooling and heating, when the compressor ol is acti...
75 14.5.21 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 clo...
76 14.5.22 f98 (input over current detection) malfunction decision conditions during operation of cooling and heating, when an input over-current (15.06a) is detected by checking the input current value being detected by current transformer (ct) with the compressor running. Malfunction caused ov...
77 14.5.23 f99 (output over current detection) malfunction decision conditions during operation of cooling and heating, when an output over-current (20.2a) is detected by checking the current that flows in the inverter dc peak sensing circuitry. Malfunction caused dc peak due to compressor failu...
78 warning 15. Disassembly and assembly instructions high voltage are 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. 15.1 disassembly of par...
79 4 to remove the electronic controller, release the 6 hooks that hold it to the control board (fig. 4). Fig. 4 5 remove the front grille by removing the screw a and screws b, c & d half way open (fig. 5). Fig. 5 6 remove the air guider and drain pan complete by removing the screws (fig. 6). Fig. 6...
80 8 remove the fan motor by release the fan motor lead wire connectors and fan motor screws (fig. 8). Fig. 8.
81 16. Exploded view and replacement parts list 16.1 indoor unit.
82 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..
83 safety ref. No. Part name & description qty cs- me9pb4ea cs- me12pb4ea cs- me18pb4ea cs- me21pb4ea remark 1 base pan ass’y 1 cwd52k1100 ← ← ← 2 inner polystyrene complete 1 cwg07c1047 ← ← ← 3 cabinet side plate ass’y 1 cwe041121 ← ← ← 4 cabinet side plate ass’y 1 cwe041122 ← ← ← 5 lead wire - fan...
84 safety ref. No. Part name & description qty cs- me9pb4ea cs- me12pb4ea cs- me18pb4ea cs- me21pb4ea remark 52 operating instruction 1 cwf568974 ← ← ← 53 installation instruction 1 cwf615797 ← ← ← 54 installation instruction 1 cwf615836 ← ← ← 55 installation instruction 1 cwf615837 ← ← ← 56 install...
85 16.2 cz-bt20e (front grille complete) 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..
86 safety ref. No. Part name & description qty part no. 1 front grille - complete 1 cwe11c3105 2 frone - front grille co. 1 cwe11c3353 4 a.S motor dc single 12v 250 ohm 2 cwa981105j 5 bracket - a.S.Motor 1 cwd932522 6 vane 4 cwe241159 7 shaft 6 cwh631038 8 shaft 2 cwh631045 9 connector - shaft 4 cwh...