Panasonic CS-E12PD3EA Service Manual

Summary of CS-E12PD3EA

  • Page 1

    © panasonic corporation 2013 order no: papamy1305054ce indoor unit outdoor unit cs-e9pd3ea cs-e12pd3ea cu-e9pd3ea cu-e12pd3ea 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. Papamy1301048ce and c...

  • Page 2: Table of Contents

    2 table of contents 1. Safety precautions ............................................. 3 2. Specifications ..................................................... 5 2.1 cs-e9pd3ea cu-e9pd3ea ...................... 5 2.2 cs-e12pd3ea cu-e12pd3ea .................. 8 3. Features ...........................

  • Page 3: 1. Safety Precautions

    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. ...

  • Page 4

    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, ...

  • Page 5: 2. Specifications

    5 2. Specifications 2.1 cs-e9pd3ea cu-e9pd3ea model indoor cs-e9pd3ea outdoor cu-e9pd3ea performance test condition eurovent power supply phase, hz single, 50 v 220 230 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.85 2.50 3.00 0.85 2.50 3.00 btu/h 2900 8530 10200 2900 8530 10200 kcal/h 730 21...

  • Page 6

    6 model indoor cs-e9pd3ea outdoor cu-e9pd3ea compressor type hermetic motor / rotary motor type brushless (4-poles) output power 900 indoor fan type sirocco material abs motor type dc motor (8-poles) output power w 30 speed qlo cool rpm 1000 heat rpm 1040 lo cool rpm 1070 heat rpm 1100 me cool rpm 1...

  • Page 7

    7 model indoor cs-e9pd3ea outdoor cu-e9pd3ea piping pipe diameter (liquid / gas) mm (inch) 6.35 (1/4) / 9.52 (3/8) standard length m (ft) 5.0 (16.4) length range (min - max) m (ft) 3 (9.8) ~ 20 (65.6) i/d & o/d height different m (ft) 15 (49.2) additional gas amount g/m (oz/ft) 20 (0.2) length for a...

  • Page 8

    8 2.2 cs-e12pd3ea cu-e12pd3ea model indoor cs-e12pd3ea outdoor cu-e12pd3ea performance test condition eurovent power supply phase, hz single, 50 v 220 230 min. Mid. Max. Min. Mid. Max. Cooling capacity kw 0.85 3.40 4.00 0.85 3.40 4.00 btu/h 2900 11600 13600 2900 11600 13600 kcal/h 730 2920 3440 730 ...

  • Page 9

    9 model indoor cs-e12pd3ea outdoor cu-e12pd3ea indoor fan type sirocco material abs motor type dc motor (8-poles) output power w 30 speed qlo cool rpm 980 heat rpm 1020 lo cool rpm 1050 heat rpm 1100 me cool rpm 1170 heat rpm 1250 hi cool rpm 1300 heat rpm 1400 shi cool rpm 1380 heat rpm 1450 outdoo...

  • Page 10

    10 model indoor cs-e12pd3ea outdoor cu-e12pd3ea indoor heat exchanger fin material aluminium (pre coat) fin type slit fin row x stage x fpi 3 x 12 x 18 size (w x h x l) mm 620 x 252 x 38.1 outdoor heat exchanger fin material aluminium fin type corrugated fin row x stage x fpi 2 x 31 x 17 size (w x h...

  • Page 11

    11  multi split combination possibility: o a single outdoor unit enables air conditioning of up to two separate rooms for cu-2e15pbe, cu-2e18pbe. O a single outdoor unit enables air conditioning of up to three separate rooms for cu-3e18pbe. O a single outdoor unit enables air conditioning of up to ...

  • Page 12

    12 connectable indoor unit outdoor unit cu-4e27pbe cu-5e34pbe type/room a b c d a b c d e wall 2.0kw cs-e7pkew cs-xe7pkew ● ● ● ● ● ● ● ● ● 2.5kw cs-e9pkew cs-xe9pkew cs-me9pd3ea cs-me9pb4ea cs-e9gfew cs-e9gfew-2 cs-e9pd3ea ● ● ● ● ● ● ● ● ● 3.2kw cs-e12pkew cs-xe12pkew cs-me12pd3ea cs-me12pb4ea cs-...

  • Page 13

    13  indoor unit : cs-me5pke, cs-e7/9/12pkew, cs-e9/12gfew, cs-me9/12pb4ea, cs-me9/12pd3ea, cs-e9/12pd3ea  outdoor unit : cu-2e15pbe 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) 1.6 + 1.6 3.2 1.6 1.6 1.6 + 2.0 3.6 2.0 2.0 1....

  • Page 14

    14  indoor unit : cs-me5pke, cs-e7/9/12/15/18pkew, cs-e9/12/18gfew, cs-me9/12/18pb4ea, cs-me9/12/18pd3ea, cs-e9/12pd3ea  outdoor unit : cu-3e18pbe 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw...

  • Page 15

    15  indoor unit : cs-me5pke, cs-e7/9/12/15/18/21pkew, cs-e9/12/18gfew, cs-me9/12/18/21pb4ea, cs-me9/12/18pd3ea, cs-e9/12pd3ea  outdoor unit : cu-4e23pbe 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit...

  • Page 16

    16 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) 2.0 + 2.0 + 2.5 + 2.8 9.3 2.5 + 2.5 + 4.0 9.0 2.0 + 2.0 +...

  • Page 17

    17  indoor unit : cs-e7/9/12/15/18/21/24pkew, cs-e9/12/18gfew, cs-me9/12/18/21pb4ea, cs-me9/12/18pd3ea, cs-e9/12pd3ea  outdoor unit : cu-4e27pbe 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacit...

  • Page 18

    18 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) 2.5+2.5+2.5+4.0 11.5 2.8+2.8+4.0 9.6 2.5+2.5+2.5+5.0 12.5...

  • Page 19

    19  indoor unit : cs-e7/9/12/15/18/21/24pkew, cs-e9/12/18gfew, cs-me9/12/18/21pb4ea, cs-me9/12/18pd3ea, cs-e9/12pd3ea  outdoor unit : cu-5e34pbe 5 room 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit ...

  • Page 20

    20 5 room 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw...

  • Page 21

    21 5 room 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw...

  • Page 22

    22 5 room 4 room 3 room 2 room 1 room indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw) total indoor capacity (kw) indoor unit capacity (kw...

  • Page 23: 3.   Features

    23 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  easy to use remot...

  • Page 24

    24 4. Location of controls and components 4.1 indoor unit 4.2 outdoor unit 4.3 remote control.

  • Page 25: 5. Dimensions

    25 5. Dimensions 5.1 indoor unit 5.1.1 cs-e9pd3ea.

  • Page 26

    26 5.1.2 cs-e12pd3ea.

  • Page 27

    27 5.2 outdoor unit 5.2.1 cu-e9pd3ea 5.2.2 cu-e12pd3ea.

  • Page 28

    28 6. Refrigeration cycle diagram.

  • Page 29: 7. Block Diagram

    29 7. Block diagram 7.1 cs-e9pd3ea cu-e9pd3ea.

  • Page 30

    30 7.2 cs-e12pd3ea cu-e12pd3ea.

  • Page 31

    31 8. Wiring connection diagram 8.1 indoor unit.

  • Page 32

    32 8.2 outdoor unit 8.2.1 cu-e9pd3ea resistance of compressor windings model cu-e9pd3ea connection 5rd132xbe21 u-v 1.897Ω u-w 1.907Ω v-w 1.882Ω note: resistance at 20°c of ambient temperature..

  • Page 33

    33 8.2.2 cu-e12pd3ea resistance of compressor windings model cu-e12pd3ea connection 5rd132xba21 u-v 1.897Ω u-w 1.907Ω v-w 1.882Ω note: resistance at 20°c of ambient temperature..

  • Page 34

    34 9. Electronic circuit diagram 9.1 indoor unit.

  • Page 35

    35 9.2 outdoor unit 9.2.1 cu-e9pd3ea.

  • Page 36

    36 9.2.2 cu-e12pd3ea.

  • Page 37: 10.  Printed Circuit Board

    37 10. Printed circuit board 10.1 indoor unit 10.1.1 main printed circuit board.

  • Page 38

    38 10.2 outdoor unit 10.2.1 main printed circuit board 10.2.1.1 cu-e9pd3ea.

  • Page 39

    39 10.2.1.2 cu-e12pd3ea.

  • Page 40: 11. Installation

    40 11. Installation instruction attached accessories ■ required materials  read the catalog and other technical materials and prepare the required materials.  applicable piping kit cz-3f5, 7bp ■ other items to be prepared (locally purchased) product name remarks rigid pvc pipe vp20 (outer diameter...

  • Page 41

    41 11.1 indoor unit 11.1.1 selecting the installation location take into consideration the following contents when creating the blueprint. ■ indoor unit installation location  do not install the unit in excessive oil fume area such as kitchen, workshop and etc.  the location should be strong enoug...

  • Page 42

    42 11.1.3 installing the indoor unit (installation embedded in the ceiling)  always provide sufficient entry and exit space to allow installation work, inspection and unit replacement.  waterproof the rear surface of the ceiling below the unit in consideration of water droplets forming and droppin...

  • Page 43

    43 preparing to install the inddor unit  fit the drain hose insulation around the drain hose as shown in the diagram beside.  attach the discharge chamber. () (10 screws)  cut out the intake cut-out portions at the unit rear panel using a cutter or other tools to make openings.  remove the two ...

  • Page 44

    44 remote controller installation 1 remove the remote controller lower case. (insert a flat-tipped screw driver or similar tool 2 to 3 mm into one of the gaps at the bottom of the case, and twist to open. Refer to the illustration at right.) be careful not to damage the lower case. 2 do not remove t...

  • Page 45

    45 b. If remote controller cable is exposed 1 install the remote controller lower case to the wall with the two accessory screws . 2 fasten the screws properly until screw head is lower than the rib and reach the base of remote controller lower case to ensure they do not damage the pcb inside the re...

  • Page 46

    46 check the drainage check after connecting the power supply.  pour approximately 600 cc of water into the drain pan of the main unit using a squeeze bottle, etc.  press the drain test run switch on the control board in the control box to start the drain motor and check whether the water drains n...

  • Page 47

    47 11.1.6.1 wire stripping and connecting requirement.

  • Page 48

    48 11.2 outdoor unit 11.2.1 selecting the installation location  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.  ke...

  • Page 49

    49 connecting the piping to outdoor multi 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 valve and then tighten with torque wrench to the specified torque a...

  • Page 50

    50 7 remove the valve caps of both of the 2-way valve and 3-way valve. Position both of the valves to “open” using a hexagonal wrench (4 mm). 8 mount valve caps onto the 2-way valve and the 3-way valve. O be sure to check for gas leakage. If gauge needle does not move from 0 cmhg (0 mpa) to -76 cmhg...

  • Page 51

    51 disposal of outdoor unit drain water  if a drain elbow is used, the unit should be placed on a stand which is taller than 30 mm.  if the unit is used in an area where temperature falls below 0°c for 2 or 3 days in succession, it is recommended not to use a drain elbow, for the drain water freez...

  • Page 52: 12.  Operation and Control

    52 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...

  • Page 53

    53 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...

  • Page 54

    54  the indoor fan will operate according to pattern below. [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, ...

  • Page 55

    55 12.2 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...

  • Page 56

    56 12.3 powerful mode operation when the powerful mode is selected, the internal setting temperature will shift higher up to +6.0°c (for heating) or lower up to 4°c (for cooling/soft dry) than remote control setting temperature for 20 minutes to achieve the setting temperature quickly. 12.4 timer co...

  • Page 57: 13. Protection

    57 13. Protection control 13.1 protection control for all operations 13.1.1 restart control (time delay safety control)  the compressor will not turn on within 3 minutes from the moment operation stops, although the unit is turned on again by pressing off/on button at remote control within this per...

  • Page 58

    58 13.1.4 ipm (power transistor) prevention control  overheating prevention control 1 when the ipm temperature rises to 120°c, compressor operation will stop immediately. 2 compressor operation restarts after three minutes the temperature decreases to 110°c.  dc peak current control 1 when electri...

  • Page 59

    59 13.2.2 cooling overload control i. Pipe temperature limitation/restriction  detects the outdoor pipe temperature and carry out below restriction/limitation (limit the compressor operation frequency)  the compressor stop if outdoor pipe temperature exceeds 63°c.  if the compressor stops 4 times...

  • Page 60

    60 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°c or above. 13.3.2 outdoor air temperature control the maximum current value is regulated when...

  • Page 61: 14. Servicing

    61 14. Servicing mode 14.1 test run operation (for pump down/servicing purpose)  the test run operation will be activated by short-circuiting cn-s (pin 1 & 2) at outdoor unit pcb after power supplied to outdoor unit terminal 1 and 2. The unit forced to run rated frequency cooling operation mode. 14...

  • Page 62

    62 14.1.2 cu-e12pd3ea.

  • Page 63: 15. Troubleshooting

    63 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...

  • Page 64

    64 15.2 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...

  • Page 65

    65 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 off/on operation led off.  off indicator does not shown on remote control display.  in operation after b...

  • Page 66

    66 15.4 error codes table.

  • Page 67

    67 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 abnormality detected, ...

  • Page 68

    68 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  faulty ...

  • Page 69

    69 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.  indo...

  • Page 70

    70 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 con...

  • Page 71

    71 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 connectio...

  • Page 72

    72 15.5.5 h16 (outdoor current transformer) malfunction decision conditions  an input current, detected by current transformer ct, is below threshold value when the compressor is operating at certain frequency value for 3 minutes. Malfunction caused  lack of gas  broken ct (current transformer) ...

  • Page 73

    73 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 in...

  • Page 74

    74 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 conne...

  • Page 75

    75 15.5.8 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...

  • Page 76

    76 15.5.9 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...

  • Page 77

    77 15.5.10 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. ...

  • Page 78

    78 15.5.11 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...

  • Page 79

    79 15.5.12 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 ou...

  • Page 80

    80 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.  op...

  • Page 81

    81 15.5.14 h98 (error code stored in memory and no alarm is triggered / no timer led flashing) malfunction decision conditions  indoor high pressure is detected when indoor heat exchanger is detecting very high temperature when the unit is operating in heating operation.  phenomena: unit is stoppi...

  • Page 82

    82 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°c) malfunction caused  air short ci...

  • Page 83

    83 15.5.16 f11 (4-way valve switching failure) malfunction decision conditions  when indoor heat exchanger is cold during heating (except deice) or when indoor heat exchanger is hot during cooling and compressor operating, the 4-way valve is detected as malfunction. Malfunction caused  indoor heat...

  • Page 84

    84 15.5.17 f90 (power factor correction protection) malfunction decision conditions  to maintain dc voltage level supply to power transistor.  to detect high dc voltage level after rectification. Malfunction caused  during startup and operation of cooling and heating, when power factor correction...

  • Page 85

    85 15.5.18 f91 (refrigeration cycle abnormality) malfunction decision conditions  the input current is low while the compressor is running at higher than the setting frequency. Malfunction caused  lack of gas.  3-way valve close. Troubleshooting.

  • Page 86

    86 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  faulty outdoor pcb  faulty compressor t...

  • Page 87

    87 15.5.20 f95 (outdoor high pressure protection: cooling or soft dry) malfunction decision conditions  during operation of cooling or soft dry, when outdoor unit heat exchanger high temperature data is detected by the outdoor unit heat exchanger thermistor. Malfunction caused  outdoor heat exchan...

  • Page 88

    88 15.5.21 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...

  • Page 89

    89 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  faulty compressor tank temperature sensor  2/3 way valve close...

  • Page 90

    90 15.5.23 f98 (input over current detection) malfunction decision conditions  during operation of cooling and heating, when an input over-current (x value in total running current control) is detected by checking the input current value being detected by current transformer (ct) with the compresso...

  • Page 91

    91 15.5.24 f99 (dc peak detection) malfunction decision conditions during startup and operation of cooling and heating, when inverter dc peak data is received by the outdoor internal dc peak sensing circuitry. Malfunction caused  dc current peak due to compressor failure.  dc current peak due to d...

  • Page 92

    92 warning 16. 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. 16.1 disassembly of par...

  • Page 93

    93 16.1.3 detaching the fan 1 first detach the upper and inner casing (16.1.1) 2 disengage the 4 catches (2 each on the left and right) on the air guide. 3 use a 2.5 mm hexagonal wrench to loosen the 2 bolts connecting the fan motor and fan, detach the shaft connecting the fan motor and fan, loosen ...

  • Page 94

    94 16.1.5 outdoor electronic controller removal procedure 16.1.5.1 cu-e9pd3ea caution! When handling electronic controller, be careful of electrostatic discharge. 1 remove the 5 screws of the top panel. Fig. 1 2 remove the 8 screws of the front panel. Fig. 2 3 remove the screw of the terminal board ...

  • Page 95

    95 16.1.5.2 cu-e12pd3ea 1 remove the top panel and front panel fig. 7 be save to return the wiring to its original position there are many high voltage components within the heat sink cover so never touch the interior during operation. Wait at least two minutes after power has been turned off. 2 rem...

  • Page 96: 17. Technical

    96 17. Technical data technical data provided are based on the air conditioner running under free frequency. 17.1 cool mode performance data unit setting: standard piping length, hi fan, cool mode at 16°c voltage: 220v/230v 17.1.1 cs-e9pd3ea cu-e9pd3ea indoor (°c) outdoor db (°c) db wb -10 -7 0 5 tc...

  • Page 97

    97 17.2 heat mode performance data unit setting: standard piping length, hi fan, heat mode at 30°c voltage: 220v/230v 17.2.1 cs-e9pd3ea cu-e9pd3ea indoor (°c) outdoor wb (°c) db -10 -7 2 7 12 tc ip tc ip tc ip tc ip tc ip 24 2170 1158 2155 1185 2835 1152 3024 861 3709 1145 20 2171 1020 2600 1250 333...

  • Page 98

    98 17.3 fan performance 17.3.1 cs-e9pd3ea cu-e9pd3ea test report tap static pressure (mmaq) airflow (m 3 /min) lo 4.0 0.00 3.0 1.80 2.0 3.40 0.0 6.40 hi 8.0 0.00 6.0 3.48 3.0 6.16 0.0 9.50 phi 9.6 0.00 6.0 5.22 3.0 8.10 0.0 11.02 switch hi 15.5 0.00 11.0 5.90 6.0 10.40 2.0 13.70 fan performance curv...

  • Page 99

    99 17.3.2 cs-e12pd3ea cu-e12pd3ea test report tap static pressure (mmaq) airflow (m 3 /min) lo 4.2 2.23 2.5 5.52 1.0 7.64 0.0 9.02 hi 7.2 2.05 4.0 6.80 2.5 8.81 0.0 11.70 phi 8.2 2.35 5.0 6.75 2.5 9.42 0.0 12.42 switch hi 10.0 7.91 8.0 9.64 6.0 11.44 5.0 12.53 0.0 16.20 fan performance curve 0.0 1.0...

  • Page 100: 18. Service

    100 18. Service data service data provided are based on the air conditioner running under rated frequency during forced cooling / forced heating mode. 18.1 cool mode outdoor air temperature characteristic condition  indoor room temperature: 27°c drybulb/19°c wet bulb  unit setting: standard piping...

  • Page 101

    101 18.1.2 cs-e12pd3ea cu-e12pd3ea out le ta ir (°c ) outdoor air temperature (°c) outdoor air temperature (°c) outdoor air temperature (°c) c urrent (a) lo w p ressure (m pa) 220v 230v 8.00 9.00 10.00 11.00 12.00 13.00 14.00 14 19 24 29 34 39 44 2.00 2.50 3.00 3.50 4.00 4.50 5.00 14 19 24 29 34 39 ...

  • Page 102

    102 18.2 heat mode outdoor air temperature characteristic condition  indoor room temperature: 20°c drybulb/ -°c wet bulb  unit setting: standard piping length, forced heating at 30°c, hi fan  compressor frequency: rated for heating operation  voltage: 220v/230v 18.2.1 cs-e9pd3ea cu-e9pd3ea out l...

  • Page 103

    103 18.2.2 cs-e12pd3ea cu-e12pd3ea out le tai r (° c ) outdoor air temperature (°c) outdoor air temperature (°c) outdoor air temperature (°c) c urrent (a) h igh pressure (m pa) 220v 230v 20 24 28 32 36 40 44 48 -15 -10 -5 0 5 10 15 2.00 2.50 3.00 3.50 4.00 4.50 5.00 5.50 6.00 -15 -10 -5 0 5 10 15 1....

  • Page 104

    104 18.3 piping length correction factor the characteristic of the unit has to be corrected in accordance with the piping length. 18.3.1 cs-e9pd3ea cu-e9pd3ea 18.3.1.1 cooling capacity 18.3.1.2 heating capacity note: the graphs show the factor after added right amount of additional refrigerant. Pipi...

  • Page 105

    105 18.3.2 cs-e12pd3ea cu-e12pd3ea 18.3.2.1 cooling capacity 18.3.2.2 heating capacity note: the graphs show the factor after added right amount of additional refrigerant. Capa city cor rection factor piping length (m) range of additional refrigerant charge 0.90 1.00 1.10 2 3 4 5 6 7 8 9 10 11 12 13...

  • Page 106

    106 19. Exploded view and replacement parts list 19.1 indoor unit 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..

  • Page 107

    107 safety ref no. Part name & description qty. Cs-e9pd3ea cs-e12pd3ea remark 1 over load protector 1 cwa12161 ← o 2 fuse-complete 1 cwa16c1038 ← o 3 terminal board ass'y 1 cwa28k1045j ← o 6 sensor-complete 1 cwa50c2556 ← o 9 wired remote control complete (with cable) 1 cwa75c4398 ← o 10 wired remot...

  • Page 108

    108 safety ref no. Part name & description qty. Cs-e9pd3ea cs-e12pd3ea remark 107 installation instruction 1 cwf615964 ← 108 installation instruction 1 cwf615965 ← 109 installation instruction 1 cwf615966 ← 110 installation instruction 1 cwf615967 ← 111 base board 1 cwg62099 ← 112 shock absorber (ri...

  • Page 109

    109 19.2 outdoor unit 19.2.1 cu-e9pd3ea 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..

  • Page 110

    110 safety ref no. Description & name qty. Cu-e9pd3ea remark 1 chassis assy 1 cwd52k1277 2 sound proof material 1 cwg302742 3 fan motor bracket 1 cwd541167 4 screw - fan motor bracket 2 cwh551217 5 fan motor 1 ars6411ac o 6 screw - fan motor mount 4 cwh55252j 7 propeller fan assy 1 cwh03k1066 8 nut ...

  • Page 111

    111 19.2.2 cu-e12pd3ea 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..

  • Page 112

    112 safety ref no. Description & name qty. Cu-e12pd3ea remark 1 chassis assy 1 cwd52k1261 2 anti-vibration bushing 3 cwh50077 3 compressor 1 5rd132xba21 o 4 nut-compressor mount 3 cwh56000j 5 sound proof material 1 cwg302630 6 fan motor bracket 1 cwd541153 7 fan motor 1 arw8401ac o 8 screw - fan mot...