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  4. CS-E24CKE
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Panasonic CS-E24CKE Service Manual

Manual is about: Panasonic Air Conditioner Service manual

Summary of CS-E24CKE

  • Page 1

    1 features 2 2 functions 3 3 product specifications 6 4 dimensions 8 5 refrigeration cycle diagram 10 6 block diagram 11 7 wiring diagram 12 8 operation details 13 8.1. Basic function 13 8.2. Protection control features 30 9 operating instructions 40 10 installation and servicing air conditioner usi...

  • Page 2: 1 Features

    15 replacement parts list 80 16 exploded view 81 17 replacement parts list 82 18 electronic circuit diagram 83 18.1. Remote control 91 • product − microcomputer-controlled compressor operating frequency − vertical and horizontal airflow directions − five modes of operation selection − powerful mode ...

  • Page 3: 2 Functions

    2 functions remote control operation off / on off/on i room temperature setting temp operation mode selection • a automatic operation • heat heating operation • cool cooling operation • dry soft dry operation • fan fan operation time / timer setting • hours and minutes setting. Clock setting • curre...

  • Page 4

    Indoor unit automatic operation switch • press for (used when the remote control cannot be used.) • press continuously for 5s and forced cooling operation. • press continuously for 8s and run forced heating operation. • press continuously for 11s and change different remote controlling setting (4 ty...

  • Page 5

    Anti-dew formation control indoor power relay control anti freezing control low pressure control (gas leakeage detection) breakdown self diagnosis function anti-cold draft control high pressure control hot start intake air temperature control deodorizing control deice operation outdoor unit 30 secon...

  • Page 6: 3 Product Specifications

    3 product specifications unit cs-e24cke cu-e24cke cooling capacity kw kcal/h btu/h 6.80 (0.90 - 8.10) 5,850 (770 - 6,970) 23,200 (3,070 - 27,600) heating capacity kw kcal/h btu/h 8.60 (0.80 - 9.90) 7,400 (690 - 8,510) 29,300 (2,730 - 33,800) moisture removal l/h pint/h 3.9 (8.2) power source phase v...

  • Page 7

    Unit cs-e24cke cu-e24cke pipe size (flare piping) inch inch g (gas side) ; 5/8” l (liquid side) ; 1/4” g (gas side) ; 5/8” l (liquid side) ; 1/4” drain hose inner diameter mm 12 — length m 0.65 — power cord length number of core-wire 2.1 m 3 core wires × 1.5 mm 2 — — dimensions height inch (mm) 10 -...

  • Page 8: 4 Dimensions

    4 dimensions 8 cs-e24cke cu-e24cke.

  • Page 9

    9 cs-e24cke cu-e24cke.

  • Page 10

    5 refrigeration cycle diagram 10 cs-e24cke cu-e24cke.

  • Page 11: 6 Block Diagram

    6 block diagram 11 cs-e24cke cu-e24cke.

  • Page 12: 7 Wiring Diagram

    7 wiring diagram 12 cs-e24cke cu-e24cke.

  • Page 13: 8 Operation Details

    8.1. Basic function 8 operation details 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 maintains th...

  • Page 14

    Table (b): outdoor air temperature shifting mode: outdoor temperature, x (°c): temperature shift (°c) manual operation auto operation cooling/soft dry 38 x 1.50 2.00 30 x 38 1.25 1.25 23 x 30 1.25 1.25 x 23 1.75 1.75 heating 21 x -2.25 -1.50 17 x 21 -1.75 -1.00 13 x 17 -0.75 0.00 9 x 13 0.25 0.25 5 ...

  • Page 15

    Comphz = freq. A × freq. H + freq. C example calculation: model no.: e24ck operation mode: cooling when intake air temperature - internal setting temperature: 1.5°c comphz = freq. A × freq. H + freq. C = 1.8 × 30 + 13.0 = 67 hz (decimal point is ignored) cooling & soft dry e24ck freq. A freq. C low ...

  • Page 16

    8.1.4. Soft dry operation 8.1.4.1. 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. 8.1.5. Heating operation 8.1.5.1. ...

  • Page 17

    Values of t1, t2, and t3 depend on remote control setting temperature, as shown in below table. After the adjustment of t1, t2 and t3 values, the operation mode for that particular environment and remote control setting is judged and performed, based on the above operation mode chart, every 30 minut...

  • Page 18

    B. Indoor fan control i. Indoor fan control operation outline 1. Cooling / dry 2. Heating 18 cs-e24cke cu-e24cke.

  • Page 19

    Ii. Auto fan speed 1. Cooling 2. Heating note: a. Up: • if move from lo, the fan speed will be shifted to maximum 1520 rpm (e24ck). • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1520 rpm (e24ck). B. Down: • the fan speed will be decreased ...

  • Page 20

    Iii. Max capacity condition a) during cooling operation, if all to the following condition is fulfilled, the indoor fan speed is set to shi. 1. Indoor intake temperature 24°c. 2. Operation frequency 64 hz (e24ck) & above. 3. Remote control setting temperature 16°c. 4. Remote control setting fan spee...

  • Page 21

    D. Deodorizing control i. Control condition control at cooling/dry operation and auto fan speed. No deodorizing control is performed during on timer standby operation and during anti-freezing control prevention. Ii. Operation the odor status is arranged as below and it is shifted as follow. * when c...

  • Page 22

    Basic rotation speed 8.1.9. Airflow direction 1. There are two types of airflow, vertical airflow (directed by horizontal vane) and horizontal airflow (directed by vertical vanes). 2. Control of airflow direction can be automatic (angles of direction is determined by operation mode, heat exchanger t...

  • Page 23

    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. Horizontal airflow 1. Automatic horiz...

  • Page 24

    8.1.10. Quiet operation (cooling mode/cooling area of 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 condit...

  • Page 25

    8.1.10.2. Quiet operation (heating) a. Purpose to provide quiet heating 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 condition 1. When one of the follo...

  • Page 26

    8.1.11. Powerful mode operation when the powerful mode is selected, the internal setting temperature will shift to achieve the setting temperature quickly. (a) cooling operation (b) soft dry operation (c) heating operation 8.1.12. Delay on timer control delay on timer can be set using remote control...

  • Page 27

    8.1.14. Auto restart control 1. When the power supply is cut off during the operation of air conditioner, the compressor will re-operate within three to four minutes (there are 10 patterns between 2 minutes 58 seconds and 3 minutes 52 seconds to be selected randomly) after power supply resumes. 2. T...

  • Page 28

    8.1.18. Ionizer operation 8.1.17. Indoor power relay control power relay will turn on during operation or in progress of stopping operation. Although operation stops, the power relay continues on for three minutes. However, during instantaneous power failure ( and the unit will operate as previous o...

  • Page 29

    3. Ionizer operation status is not memorised by micon. After off, when operation is “on” again, air conditioner operates without ionizer operation. C. Timer during ionizer operation refer to case study in next page for detail. 8.1.18.1. Ionizer problem detection control i. Purpose to inform user of ...

  • Page 30

    8.2. Protection control features 8.2.1. Protection control for all operations 8.2.1.1. 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 condi...

  • Page 31

    8.2.1.4. Ipm (power transistor) prevention control a. Overheating prevention control 1. When the ipm temperature rises to 110°c, compressor operation will stop immediately. 2. Compressor operation restarts after three minutes the temperature decreases to 95°c. B. Dc peak current control 1. When elec...

  • Page 32

    8.2.1.7. Ct disconnection detection 1. Control starting condition a. Total current is below 0.74 ~ 0.94 amp. B. Operating frequency is 20 hz and above. C. Continuously for 20s. 2. Control contents a. Abnormal signal transmitted to indoor unit after 3 minutes outdoor power is supplied. (indoor unit s...

  • Page 33

    8.2.2. Protection control for cooling & soft dry operation 8.2.2.1. Outdoor air temperature control the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the diagram below. 8.2.2.2. Cooling overload control i. Pipe temperature limitation/restriction...

  • Page 34

    8.2.2.3. Anti-freezing control 1. When indoor heat exchanger temperature is lower than 2°c continuously for six minutes, compressor will stop operating. 2. Compressor will resume its operation three minutes after the indoor heat exchanger is higher than 10°c. 3. At the same time, indoor fan speed in...

  • Page 35

    * if the outdoor temperature me & above (include auto air flow) 0 t 74 30 min t 67 90 min t 67 0 t 67 30 min t 54 90 min t 47 b) control 2 • when the following conditions occurs for 20 minutes continuously, anti-dew formation is controlled and air vane change horizontal vane shift to 2nd position an...

  • Page 36

    2. Auto fan speed note: a. Up: • if move from lo, the fan speed will be shifted to maximum 1300 rpm (e24ck). • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1300 rpm (e24ck). B. Down: • the fan speed will be decreased one step every 10 sec. ...

  • Page 37

    8.2.3.3. Outdoor air temperature control the compressor operating frequency is regulated in accordance to the outdoor air temperature as shown in the below figures. This control will begin one minute after the compressor starts. 8.2.3.4. Overload protection control the compressor operating frequency...

  • Page 38

    8.2.3.6. Deice control a. Deice operation (normal deice operation) 1. Detection methods outdoor heat exchanger temperature sensor, timer. 2. Deice operation time chart notes • during deice operation, as relationship for outdoor piping temperature and time t5, the priority given to the condition whic...

  • Page 39

    3. Explanation of operation 1) at the deice starting signal, the compressor frequency is set to the value as previously mentioned. 2) at 120 sec. After deice starting signal generated, 4 way valve off and at the same time outdoor fan is off, indoor fan is off, compressor frequency is set to the prev...

  • Page 40: 9 Operating Instructions

    9 operating instructions 4 1 4 2 4 1 4 2 4 2 4 2 4 2 4 2 4 4 4 5 product overview outdoor unit indoor unit remote control ionizer direction louver fluorescent lights may interfere with signal transmission see page set temperature activate activate quiet select mode check malfunction code timer funct...

  • Page 41

    4 5 4 6 4 4 4 3 operation switch off automatic switch on cooling dehumidifying air circulation heating choose the right temperature to be comfortably warm! Based on the outdoor, indoor and setting temperature, the system automatically chooses. Recommended: choose the right temperature to be comforta...

  • Page 42

    Select automatic / manual direction / volume air flow powerful quiet operation timer operation press button vertical direction horizontal direction fan speed (air volume) on off on & off timer set time set time set time confirm cancel confirm confirm or or timer timer active every day start before ˙...

  • Page 43

    Indoor unit front panel purifying filters air filters catechin triple deodorizing filter every 2 weeks every 6 months care & cleaning wipe gently filter cleaning see below filters benzine / thinner scouring powder soaps neutral household detergents ionizer open manually clean with cotton bud reinsta...

  • Page 44

    Preparations refer page 4 3 press button plug/breaker installation: see enclosed installation instruction! Indoor unit pre-season inspection insert batteries set clock for extended non-operation recommended inspections consult an authorized distributor for inspection! After several seasons and due t...

  • Page 45

    4 4 troubleshooting no problem abnormal noise during operation power plug / cord become unnaturally warm press search code if 4x beep * emergency operation (limited function) * 1. Press mode - 2. Select cool/heat - 3. Press off/on timer flashes circuit breaker switches off frequently switches / butt...

  • Page 46

    Safety precautions immediately isolate from the mains supply (e.G. If there is a smell of burning) cooling air circulation dehumidifying heating never use this unit for purposes other than those listed in these operating instructions. In particular, do not use it for the preservation of food. Never ...

  • Page 47

    4 0 4 2 4 2 4 2 4 3 4 3 4 3 / 4 4 43 / 44 4 1 safety precautions & features defect / suspicion of defect? —> attend defects before use! Do not repair yourself engage dealer / specialist defects off and unplug (connector or breaker) do not wash! Cleaning uninstalling and disposal of the unit only by ...

  • Page 48

    10 installation and servicing air conditioner using r410a 10.1. Outline 10.1.1. About r410a refrigerant 1. Converting air conditioners to r410a since it was declared in1974 that chlorofluorocarbons (cfc), hydro chlorofluorocarbons (hcfc) and other substances pose a destructive danger to the ozone la...

  • Page 49

    D. R410a refrigerating machine oil conventionally, mineral oil or a synthetic oil such as alkylbenzene has been used for r22 refrigerating machine oil. Because of the poor compatibility between r410a and conventional oils like mineral oil, however, there is a tendency for the refrigerating machine o...

  • Page 50

    10.2.2. R410a tools 1. Copper tube gauge for clearance adjustment (used when flaring with the conventional flaring tool (clutch type)) • this gauge makes it easy to set the clearance for the copper tube to 1.0-1.5 mm from the clamp bar of the flaring tool. 2. Flaring tool (clutch type) • in the r410...

  • Page 51

    5. Charging hose • the pressure resistance of the charging hose has been raised to match the higher pressure of r410a. The hose material has also been changed to suit hfc use, and the size of the fitting has been changed to match the manifold ports. 6. Vacuum pump adaptor • when using a vacuum pump ...

  • Page 52

    8. Electronic scale for refrigerant charging • because of the high pressure and fast vaporizing speed of r410a, the refrigerant cannot be held in a liquid phase inside the charging cylinder when charging is done using the charging cylinder method, causing bubbles to form in the measurement scale gla...

  • Page 53

    10.3. Refrigerant piping work when working with refrigerant piping, the following points must be carefully observed: no moisture od dust must be allowed to enter the piping, and there must be no refrigerant leaks. 1. Procedure and precautions for flaring work a. Cut the pipe use a pipe cutter, and c...

  • Page 54

    2. Procedure and precautions for flare connection table 11 r410a flaring dimensions nominal diameter outside diameter (mm) wall thickness (mm) a (mm) r410a flaring tool, clutch type conventional flaring tool clutch type wing-nut type 1/4 6.35 0.8 0 - 0.5 1.0 - 1.5 1.5 - 2.0 3/8 9.52 0.8 0 - 0.5 1.0 ...

  • Page 55

    Precautions • be sure to read the instructions for the vacuum pump, vacuum pump adaptor and manifold gauge prior to use, and follow the instructions carefully. • make sure that the vacuum pump is filled with oil up to the designated line on the oil gauge. • the gas pressure back flow prevention valv...

  • Page 56

    10.4.2. Transferring (using new refrigerant piping) 1. Removing the unit a. Collecting the refrigerant into the outdoor unit by pumping down the refrigerant can be collected into the outdoor unit (pumping down) by pressing the test run button, even when the temperature of the room is low. • check to...

  • Page 57

    10.4.5. Recharging refrigerant during servicing when recharging is necessary, insert the specified amount of new refrigerant in accordance with the following procedure. 1. Connect the charging hose to the service port of the outdoor unit. 2. Connect the charging hose to the vacuum pump adaptor. At t...

  • Page 58

    10.4.6. Brazing as brazing requires sophisticated techniques and experiences, it must be performed by a qualified person. In order to prevent the oxide film from occurring in the pipe interior during brazing, it is effective to proceed with brazing while letting dry nitrogen gas (n 2 ) flow. 1. Atta...

  • Page 59

    11 installation instructions required tools for installation works 1. Philips screw driver 5. Spanner 9. Gas leak detector 13. Multimeter 2. Level gauge 6. Pipe cutter 10. Measuring tape 14. Torque wrench 18 n ● m (1.8 kgf ● m) 55 n ● m (5.5 kgf ● m) 65 n ● m (6.5 kgf ● m) 3. Electric drill, hole co...

  • Page 60

    1. The equipment must be earthed and installed with earth leakage current breaker. It may cause electrical shock if grounding is not perfect. 2. Do not install the unit at place where leakage of flammable gas may occur. In case gas leaks and accumulates at surrounding of the unit, it may cause fire....

  • Page 61

    Applicable piping kit cz-4f5, 7, 10bp (e18ck, e21ck) cz-52f5, 7, 10bp (e24ck) select the best location indoor unit • there should not be any heat source or steam near the unit. • there should not be any obstacles blocking the air circulation. • a place where air circulation in the room is good. • a ...

  • Page 62

    11.2.1. Select the best location (refer to “select the best location” section) 11.2.2. How to fix installation plate the mounting wall is strong and solid enough to prevent it from the vibration. The centre of installation plate should be at more than 550 mm at right and left of the wall. The distan...

  • Page 63

    3. For the embedded piping (this can be used for left rear piping & left bottom piping also.) 63 cs-e24cke cu-e24cke.

  • Page 64

    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 4 × 2.5 mm 2 (e18ck, e21ck, e24ck) flexible cord, type designation 245 iec 57 or heavier cord. • ensure t...

  • Page 65

    Auto switch operation • 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 strong wind and earthquake. Pleas...

  • Page 66

    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 nut ...

  • Page 67

    Disposal of outdoor unit drain water • if a drain elbow is used, the unit should be placed on a stand which is taller than 3 cm. • 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 freezes a...

  • Page 68: 12 Servicing Information

    1. Rated frequency operation 12 servicing information caution: • pb free solder has a higher melting point than standard solder; typically the melting point is 50 - 70°f (30 - 40°c) higher. Please use a high temperature soldering iron. In case of the soldering iron with temperature control, please s...

  • Page 69

    2. Troubleshooting air conditioner 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 ...

  • Page 70

    1. Relationship between the condition of the air conditioner and pressure and electric current cooling mode heating mode condition of the air conditoner low pressure high pressure electric current during operation low pressure high pressure electric current during operation insufficient refrigerant ...

  • Page 71

    Error codes table diagnosis display abnormality / protection control abnormality judgement emergency operation primary location to verify h11 indoor / outdoor abnormal communication > 1 min after starting operation indoor fan operation only • internal / external cable connections • indoor / outdoor ...

  • Page 72

    • remote control reset when the batteries are inserted for the first time, or the batteries are replaced, all the indications will blink and the remote control might not work. If this happen, remove the cover of the remote control and push the reset point once to clear the memory data. • changing th...

  • Page 73

    1. The electronic controller, a signal receiver and an indicator (fig. 3) can be seen by the below steps: • open the intake grille and remove the screw at the front of the front grille. (fig. 1). • remove the 3 caps and 3 screws at the bottom of the front grille. (fig. 1) • remove the front grille b...

  • Page 74

    1. In order to remove the cross flow fan and indoor fan motor, control board need to be taken out by releasing all the connectors as indicated below. A. Release the earth wire screw. (fig. 5) b. Release the intake air sensor. (fig. 5) c. Release the piping sensor. (fig. 5) d. Release the cn-rec conn...

  • Page 75

    6. Remove the bearing. (fig. 9) 7. Remove the screws at the left of the evaporator. (fig. 9) 8. Push up the evaporator and pull out the cross flow fan from shaft. By then, fan motor can be taken out. (fig. 10). Reminder - to reinstall the fan motor, put it back in place, adjust the position of the f...

  • Page 76

    1. Remove the top panel and front panel fig. 16 2. Remove the outdoor electronic controller fig. 18 caution! When handling electronic controller, be careful of electrostatic discharge. • be save to return the wiring to its original position • there are many high voltage components within the heat si...

  • Page 77: 13 Technical Data

    13 technical data 77 cs-e24cke cu-e24cke.

  • Page 78

    Outdoor temp. (°c) indoor wet bulb temp. 30 35 40 46 tc shc ip tc shc ip tc shc ip tc shc ip 17.0°c 6.75 5.11 2.21 6.30 4.90 2.37 5.86 4.71 2.54 5.33 4.48 2.74 19.0°c 6.80 2.41 19.5°c 7.41 5.35 2.25 6.92 5.14 2.42 6.44 4.95 2.59 5.85 4.71 2.79 22.0°c 8.07 5.55 2.29 7.54 5.34 2.46 7.02 5.15 2.63 6.38...

  • Page 79: 14 Exploded View

    14 exploded view 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. 79 cs-e24cke cu-e24cke.

  • Page 80: 15 Replacement Parts List

    15 replacement parts list ref. No. Part name & description qty. Cs-e24cke remarks 1 chassy complete 1 cwd50c1343 2 fan motor 1 cwa981056 0 3 cross flow fan complete 1 cwh02c1010 4 screw - cross flow fan 1 cwh4580304 5 bearing ass’y 1 cwh64k007 6 evaporator 1 cwb30c1451 7 flare nut 1 cwt25086 8 flare...

  • Page 81: 16 Exploded View

    16 exploded view 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. 81 cs-e24cke cu-e24cke.

  • Page 82: 17 Replacement Parts List

    17 replacement parts list ref no. Description & name qty. Cu-e24cke remarks 1 chassy assy 1 cwd50k2098 2 anti-vibration bushing 3 cwh501061 3 compressor 1 c-7rvn153h0v o 4 nut-compressor mount 3 cwh56000 5 sound proof material 1 cwg302215 6 fan motor bracket 1 cwd541067 7 fan motor 1 cwa981111 o 8 s...

  • Page 83

    18 electronic circuit diagram 1 2 1 2 3 3 temperature fuse to outdoor terminal (blk) (red) ac4 ac6 ry-pwr (brw) ac2 ac1 (blk) wht ac5 wht ac3 display (ph10) 6 5 4 3 2 1 cn-disp1 7 10 9 8 6 5 4 3 2 1 cn-disp 7 10 9 8 fg1 fg2 (ylw/grn) (ylw/grn) ph10 (wht) c29 c30 p l sw401 r42 110 Ω c10 0.01 µ r19 10...

  • Page 84

    Schematic diagram 2/3 p72 p73 p74 buz p64 p65 p66 p67 p40 p41 p42 p43 p44 p45 p46 p47 p50 p51 p52 p53 p54 p55 p56 p57 vss0 vdd0 p30 p31 p32 p33 txd2 rxd2 ani1 ani2 ani3 p14 p15 p16 p17 avss vdd1 p25 txd0 rxd0 sck1 s01 s1l p36 46 41 42 43 44 45 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 40...

  • Page 85

    Schematic diagram 3/3 cn001 3 4 5 6 7 8 9 10 11 1 2 f001 z001 c002 l001 c003 d007 r030 r046 cn002 7 6 5 4 3 2 1 cn103 7 6 5 4 3 2 1 cn101 5 4 3 2 1 db004 th001 th002 r114 pc001 1 4 3 2 r002 zd005 r116 pc002 4 1 2 3 r001 r118 c b e q102 r115 r007 r006 d002 d003 r005 r004 r008 r003 pc003 1 4 3 2 pc004...

  • Page 86

    1 2 1 2 3 3 ac-wht ac-blk to indoor terminal hot2 data d1 era15-06 pc1 tlp421 (bl) pc4 tlp421 (gr) red r171 13k 2w zd1 d17 era15-01 zd3 r5 1.21k d2 era15-10 1 4 3 2 hot1 cr101 j0hbjy000004 ry-hot 4-ways valve fg1 grn znr109 znr107 1800v znr108 510v znr102 510v znr103 510v lf101 c77 220pf 250vac c78 ...

  • Page 87

    Schematic diagram 2/3 avref intp0 nmi intp1 intp2 intp3 intp4 intp5 p07 vss rtpo2 rtpo3 rtpo4 rtpo5 rtpo6 rtpo7 p16 t06 rxd txd s1 s0 sck reset vdd x2 x1 vss ic (vpp) p90 p91 p92 p57 p56 p55 vss p54 p53 p52 p51 p50 p47 p46 p45 p44 p43 p42 p41 58 53 54 55 56 57 80 79 78 77 76 75 74 73 72 71 70 69 68 ...

  • Page 88

    Schematic diagram 3/3 + + d10 erb83-006 r104 r101 r102 r103 110 Ω + + r126 4.7k 1/4w d11 era22-04 njm78m05f ic1 l1 (jumper) njm78m15f ic2 c ho ce vcc in com c ho ce vcc in com c ho ce u out v out w out roc cct vcc in com vcc in(x) in(y) in(z) vfo gnd r110 r111 r191 10k r2 15k 1% r3 15.8k 1% r1 18.2k...

  • Page 89

    89 cs-e24cke cu-e24cke.

  • Page 90

    How to use electronic circuit diagram timer table test mode name time (when test point short-circuited) 4 way valve abnormality 4 min. 24 sec. Outdoor air temp. For hz no. Decision 30 min. 0 sec. Anti-dew formation control 20 min. 0 sec. Anti-freezing control 6 min. 0 sec. Thermo off delay 3 min. 0 ...

  • Page 91

    18.1. Remote control 91 cs-e24cke cu-e24cke.

  • Page 92

    18.2. Print pattern indoor unit printed circuit board 92 cs-e24cke cu-e24cke.

  • Page 93

    18.3. Print pattern outdoor unit printed circuit board 93 cs-e24cke cu-e24cke [maico] printed in malaysia.