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Panasonic CS-E18CKE Service Manual

Summary of CS-E18CKE

  • Page 1

    1 features 2 2 functions 3 3 product specifications 6 4 dimensions 10 5 refrigeration cycle diagram 12 6 block diagram 13 7 wiring diagram 14 8 operation details 15 8.1. Basic function 15 8.2. Protection control features 32 9 operating instructions 44 10 installation and servicing air conditioner us...

  • Page 2: 1 Features

    15 replacement parts list 85 16 exploded view 86 17 replacement parts list 87 18 electronic circuit diagram 88 18.1. Remote control 98 • 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-e18cke cu-e18cke cooling capacity kw kcal/h btu/h 5.30 (0.90 - 6.00) 4,560 (770 - 5,160) 18,100 (3,070 - 20,500) heating capacity kw kcal/h btu/h 6.60 (0.90 - 8.00) 5,680 (770 - 6,880) 22,500 (3,070 - 27,300) moisture removal l/h pint/h 2.9 (6.1) power source phase v...

  • Page 7

    Unit cs-e18cke cu-e18cke pipe size (flare piping) inch inch g (gas side) ; 1/2” l (liquid side) ; 1/4” g (gas side) ; 1/2” 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

    Unit cs-e21cke cu-e21cke cooling capacity kw kcal/h btu/h 6.30 (0.90 - 7.10) 5,420 (770 - 6,110) 21,500 (3,070 - 24,200) heating capacity kw kcal/h btu/h 7.20 (0.90 - 8.50) 6,190 (770 - 7,310) 24,600 (3,070 - 29,000) moisture removal l/h pint/h 3.5 (7.4) power source phase v cycle single 230 50 airf...

  • Page 9

    Unit cs-e21cke cu-e21cke 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 - 13/16 (275) 29 - 17/32 (750) width inch (mm) 39 - 9/32 (998) 34 - 7/16 (875) depth inch (mm) 8 - 9/32 (210) 13 - 19/32 (...

  • Page 10: 4 Dimensions

    4 dimensions 10

  • Page 11

    11.

  • Page 12

    5 refrigeration cycle diagram 12.

  • Page 13: 6 Block Diagram

    6 block diagram 13.

  • Page 14: 7 Wiring Diagram

    7 wiring diagram 14.

  • Page 15: 8.1. Basic Function

    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 16

    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 17

    Comphz = freq. A × freq. H + freq. C example calculation: model no.: e18ck operation mode: cooling when intake air temperature - internal setting temperature: 1.5°c comphz = freq. A × freq. H + freq. C = 1.53 × 46 + 2.5 = 72 hz (it cuts down less than a decimal point) cooling & soft dry e18ck e21ck ...

  • Page 18

    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 19

    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 20

    B. Indoor fan control i. Indoor fan control operation outline 1. Cooling / dry 2. Heating 20

  • Page 21

    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 (e21ck), 1480 rpm (e18ck). • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1520 rpm (e21ck), 1480 rpm (e18ck). B. Down...

  • Page 22

    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 72 hz (e18ck), 95 hz (e21ck) & above. 3. Remote control setting temperature 16°c. 4. Remote control s...

  • Page 23

    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 24

    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 25

    1. Automatic vertical airflow direction can be set using remote control; the vane swings up and down within the angles as stated above. For heating mode operation, the angle of the vane depends on the indoor heat exchanger temperature as figure 1 below. When the air conditioner is stopped using remo...

  • Page 26

    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 27

    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 28

    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 29

    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 30

    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 31

    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 32

    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 33

    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 34

    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 72 hz (e18ck), 95 hz (e21ck) +1 and above. C. Continuously for 20s. 2. Control contents a. Abnormal signal transmitted to indoor unit after 3 minutes outdoor power i...

  • Page 35

    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 36

    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 37

    8.2.3. Protection control for heating operation 8.2.3.1. Anti cold draft control indoor fan speed varies in accordance to indoor heat exchanger temperature, based on type of air volume and direction, as shown below. 1. Manual fan speed 2. Auto fan speed 37.

  • Page 38

    Note: a. Up: • if move from lo, the fan speed will be shifted to maximum 1520 rpm (e21ck), 1480 rpm (e18ck). • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1520 rpm (e21ck), 1480 rpm (e18ck). B. Down: • the fan speed will be decreased one s...

  • Page 39

    8.2.3.4. Overload protection control the compressor operating frequency is regulated in accordance to indoor heat exchanger temperature as shown in below figures. 8.2.3.5. Outdoor temperature control • outdoor temperature is detected and the following control is perform. • control operates after mor...

  • Page 40

    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 a. During deice operation, the relationship between outdoor pipe temperature and time t1 is such operation will proceed to nex...

  • Page 41

    3. Explanation of operation 1) before the deice is started, compressor frequency is set to the specified value for t0-timer. 2) after deice is started, the 4-way valve, od fan and id fan are off. 3) after 4-way valve is off for 30 s, compressor frequency is set to the specified value. 4) before deic...

  • Page 42

    3. Deice condition: od air temp. T 0°c. Od heat exchanger temp. 0°c for 14 min. Od heat exchanger temp. -8°c for 10 min. 4. Auto clean deice time chart similar to deice operation 2 except for frequency values. A. Detection methods outdoor heat exchanger temp. Sensor, timer, indoor air temp. Sensor. ...

  • Page 43

    Outdoor heat exchanger pipe temperature a 15°c b 18°c c 25°c notes 1. During deice operation, the relationship between outdoor pipe temperature and time t1 is such proceed to next operation. 2. The deice will be performed only after 1 hour from when the operation has started. 3. When comp. Off by th...

  • Page 44: 9 Operating Instructions

    9 operating instructions 45 46 45 46 46 46 46 46 48 49 47 ionizer do not touch 44.

  • Page 45

    49 50 48 47 45.

  • Page 46

    Current time ok? –> setting: page 48 on select or set time confirm off or set time confirm on & off timer timer timer set time confirm 46.

  • Page 47

    Every 6 months see page 44 see page 48 soaps neutral household detergents ( ph7) 47.

  • Page 48

    Refer page 47 48.

  • Page 49

    48 49.

  • Page 50

    Never install, remove or reinstall yourself do not pull out the plug by the cable do not insert finger or other objects into the unit! —> especially dangerous for children! 50

  • Page 51

    44 46 46 46 47 47 47 / 48 47 / 48 45 51.

  • Page 52: 10.1. Outline

    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 53

    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 54

    10.2.2. R410a tools 1. Cooper 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 55

    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 56

    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 57

    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 58

    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 59

    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 60

    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 61

    5. Set the refrigerant cylinder onto the electronic scale, then correct the hose the cylinder and to the connection port for the electronic scale. (1)(2) precaution: be sure to set up the cylinder for liquid charging. If you use a cylinder equipped with a siphon tube, you can charge the liquid witho...

  • Page 62

    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 (n2) flow. 1. Attach...

  • Page 63: 11.1. Safety Precautions

    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 64

    1. The equipment must be earthed. 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. 3. Carry out drainage piping as mentioned in ins...

  • Page 65

    Applicable piping kit cz-4f5, 7, 10an (e18ck, e21ck) 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 place where drainage can ...

  • Page 66: 11.2. Indoor Unit

    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 67

    3. For the embedded piping (this can be used for left rear piping & left bottom piping also.) 67.

  • Page 68

    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) flexible cord, type designation 245 iec 57 or heavier cord. • ensure the colo...

  • Page 69: 11.3. Outdoor Unit

    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 70

    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 71

    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 72: 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 73

    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 74

    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 75

    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 76: 12.3. Remote Control

    • 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 77

    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 78

    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 79

    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 80

    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 81: 13 Technical Data

    13 technical data 81.

  • Page 82

    82.

  • Page 83

    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 5.26 3.99 1.51 4.91 3.82 1.63 4.57 3.67 1.74 4.16 3.49 1.88 19.0°c 5.30 1.65 19.5°c 5.77 4.17 1.54 5.40 4.01 1.66 5.02 3.86 1.77 4.56 3.67 1.91 22.0°c 6.29 4.33 1.57 5.88 4.16 1.69 5.47 4.01 1.80 4.97...

  • Page 84: 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. 84.

  • Page 85: 15 Replacement Parts List

    15 replacement parts list ref. No. Part name & description qty. Cs-e18cke cs-e21cke remarks 1 chassy complete 1 cwd50c1293 ← 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 cwb30c1387 cwb30c1336...

  • Page 86: 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. 86.

  • Page 87: 17 Replacement Parts List

    17 replacement parts list ref no. Description & name qty. Cu-e18ckr cu-e21ckr remarks 1 chassy assy 1 cwd50k2085 ← 2 anti-vibration bushing 3 cwh50077 ← 3 compressor 1 5cs130xac03 ← o 4 nut-compressor mount 3 cwh56000 ← 5 sound proof material 1 cwg302111 ← 6 fan motor bracket 1 cwd541054 ← 7 fan mot...

  • Page 88

    18 electronic circuit diagram 1 2 1 2 3 3 temperature fuse to outdoor (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 10k Ω r45 2...

  • Page 89

    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 90

    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 91

    • cu-e18ck e cu-e21ck e schematic diagram 1/5 d14 era15-01 1 2 1 2 3 3 ac-wht ac-blk terminal data d6 era15-06 pc18 tlp421 (bl) pc17 tlp421 (gr) red r152 zd1 zd5 r3 1.21k r172 330k d5 era15-10 1 4 3 2 2w 13k 1% 1% fg1 grn znr107 znr108 znr102 erzveav511 znr103 erzveav511 lf101 ry-pwr ptc2 r151 r150 ...

  • Page 92

    Schematic diagram 2/5 r2 499k 1/4w 1 % r1 499k 1/4w 1 % r139 8.25k 1% r28 499k 1/4w 1 % r8 499k 1/4w 1 % r134 7.68k 1 % fuse 3.15a 250v 1 r17 10k 10 4 25 14 7 14 1 28 ljp109 black ljp113 black 37 43 41 31 17 30 11 9 cn203 12 7 cn203 6 cn203 cn202 15 10 ljp112 brown + c15 100 6.3v 34 14 32 + c223 0.0...

  • Page 93

    Schematic diagram 3/5 40 30 8 38 7 37 36 35 41 44 16 25 29 26 27 r249 18 33 4 5 6 13 12 7 8 cn202 1 11 18 cn203 cn203 cn201 3 20 36 19 28 (gnd)vss (x)npwm00 (u)pwm00 (v)pwm01 (3.3v)vdd (y)npwm01 (w)pwm02 (z)npwm02 (fm)pwm10 (ry-1)p71 (ry-2)p72 (3.3v)vdd (tr)73 (gnd)vss pwm20 (2.5v)vdd2 p56 p57 vdd(3...

  • Page 94

    Schematic diagram 4/5 c84 10 50v c82 0.047 25v 2 1 r199 160 5w 5% ptc3 zpc56ch251a1uc ry-2 ald112a01 d23 era15-06 ry-1 ala2zf12e01 3 c65 0.22 630v c74 0.047 25v c75 0.047 25v + r75 10k r74 5.11k 1% r73 5.11k 1% c61 10 50v 1ok 1ok 1ok 4.7k 4.7k 4.7k q8 dta143xk q10 q7 dtc143xk c60 1000p (mb) r72 1k r...

  • Page 95

    Schematic diagram 5/5 + + d8 erb83-006 + + r25 4.7k 1/4w r24 10 1w r19 10 1w r20 10 1w r26 d9 era22-04 c27 100 16v njm78m05f ic2 njm78m15f ic1 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 r66 r65 r12 15k 1% r11 15.8k 1% r64 r63 r62 ...

  • Page 96

    96.

  • Page 97

    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 98: 18.1. Remote Control

    18.1. Remote control 98.

  • Page 99: 18.2. Print Pattern

    18.2. Print pattern indoor unit printed circuit board 99.

  • Page 100: 18.3. Print Pattern

    18.3. Print pattern outdoor unit printed circuit board view 100 [maico] printed in malaysia.