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Panasonic CS-E15DTEW Service Manual

Summary of CS-E15DTEW

  • Page 1

    1 features 2 2 functions 3 2.1. Remote control 3 2.2. Indoor unit 4 2.3. Outdoor unit 5 3 product specifications 6 3.1. Cs-e15dtew cu-e15dbe 6 3.2. Cs-e18dtew cu-e18dbe 8 3.3. Cs-e21dtes cu-e21dbe 10 4 dimensions 12 4.1. Indoor unit & remote control 12 4.2. Outdoor unit 13 © 2005 panasonic ha air-co...

  • Page 2: 1 Features

    11 installation instructions 52 11.1. Safety precautions 52 11.2. Indoor unit 55 11.3. Outdoor unit 58 12 servicing information 63 12.1. Troubleshooting 63 12.2. Breakdown self diagnosis function 65 12.3. Remote control 67 12.4. Auto off/on button 68 12.5. Disassembly of parts 69 13 technical data 7...

  • Page 3: 2 Functions

    2 functions 2.1. Remote control operation off / on room temperature setting temp operation mode selection • auto automatic operation • heat heating operation • cool cooling operation • dry soft dry operation time / timer setting • hours and minutes setting. Clock setting • current time setting. Quie...

  • Page 4

    2.2. Indoor unit automatic and 5 manual indoor fan speeds powerful mode • for quick cooling or heating. 24-hour real time timer control microcomputer-controlled room temperature control breakdown self diagnosis function indoor power relay control anti-dew formation control anti freezing control anti...

  • Page 5

    2.3. Outdoor unit 30 seconds forced operation time delay safety control overload protection control deice operation standby control compressor overheating prevention control ipm (power transistor) overheating protection control total running current control mininum operation frequency protection con...

  • Page 6: 3 Product Specifications

    3.1. Cs-e15dtew cu-e15dbe 3 product specifications unit cs-e15dtew cu-e15dbe cooling capacity kw kcal/h btu/h 4.15 (0.90 - 4.55) 3,570 (770 - 3,910) 14,200 (3,070 - 15,500) heating capacity kw kcal/h btu/h 5.17 (0.90 - 6.30) 4,450 (770 - 5,420) 17,600 (3,070 - 21,500) moisture removal l/h pint/h 2.4...

  • Page 7

    Unit cs-e15dtew cu-e15dbe 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 14 — length m 0.66 — power cord length number of core-wire —— — — dimensions height inch (mm) 21 - 9/32 (540) 29 - 17/32 (75...

  • Page 8

    3.2. Cs-e18dtew cu-e18dbe unit cs-e18dtew cu-e18dbe cooling capacity kw kcal/h btu/h 5.00 (0.90 - 5.40) 4,300 (770 - 4,640) 17,100 (3,070 - 18,400) heating capacity kw kcal/h btu/h 6.10 (0.90 - 7.60) 5,250 (770 - 6,540) 20,800 (3,070 - 25,900) moisture removal l/h pint/h 2.8 (5.9) power source (phas...

  • Page 9

    Unit cs-e18dtew cu-e18dbe drain hose inner diameter mm 14 — length m 0.66 — power cord length number of core-wire —— — — dimensions height inch (mm) 21 - 9/32 (540) 29 - 17/32 (750) width inch (mm) 40 - 1/2 (1,028) 34 - 7/16 (875) depth inch (mm) 7 - 7/8 (200) 13 - 19/32 (345) net weight lb (kg) 40 ...

  • Page 10

    3.3. Cs-e21dtes cu-e21dbe unit cs-e21dtes cu-e21dbe cooling capacity kw kcal/h btu/h 5.80 (0.90 - 6.60) 4,990 (770 - 5,680) 19,800 (3,070 - 22,500) heating capacity kw kcal/h btu/h 6.80 (0.90 - 8.10) 5,850 (770 - 6,970) 23,200 (3,070 - 27,600) moisture removal l/h pint/h 3.2 (6.8) power source (phas...

  • Page 11

    Unit cs-e21dtes cu-e21dbe drain hose inner diameter mm 14 — length m 0.66 — power cord length number of core-wire —— — — dimensions height inch (mm) 21 - 9/32 (540) 29 - 17/32 (750) width inch (mm) 40 - 1/2 (1,028) 34 - 7/16 (875) depth inch (mm) 7 - 7/8 (200) 13 - 19/32 (345) net weight lb (kg) 44 ...

  • Page 12: 4 Dimensions

    4 dimensions 4.1. Indoor unit & remote control 4.1.1. Cs-e15dtew cs-e18dtew cs-e21dtes 12 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 13

    4.2. Outdoor unit 4.2.1. Cu-e15dbe cu-e18dbe cu-e21dbe 13 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 14

    5 refrigeration cycle diagram 14 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 15: 6 Block Diagram

    6 block diagram 15 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 16: 7 Wiring Diagram

    7 wiring diagram 16 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 17: 8 Operation Details

    8 operation details 8.1. Basic operation inverter control, which equipped with a microcomputer in determining the most suitable operating mode as time passes, automatically adjust output power for maximum comfort always. In order to achieve the suitable operation mode, the microcomputer maintains th...

  • Page 18

    8.1.2. Cooling operation 8.1.2.1. Thermostat control • compressor is off when intake air temperature - internal setting temperature • compressor is on after waiting for 3 minutes, if the intake air temperature - internal setting temperature > compressor off point. 8.1.3. Soft dry operation 8.1.3.1. ...

  • Page 19

    8.1.5. Automatic operation this mode can be set using remote control and the operation is decided by remote control setting temperature, indoor intake air temperature and outdoor air temperature. During operation mode judgment, indoor fan motor (with speed of lo-) and outdoor fan motor are running f...

  • Page 20

    8.1.6. Indoor fan motor operation a. Basic rotation speed (rpm) • required rotation speed for fan is set to respond to the remote control setting (10 rpm unit) [cooling, dry, fan] remote control — — o o o o o — — — tab (rpm) pshi shi hi me+ me me- lo lo- slo sslo e15d 1050 990 960 903 845 788 730 68...

  • Page 21

    2. Heating ii. Auto fan speed 1. Cooling 21 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 22

    2. Heating note: a. Up: • if move from lo, the fan speed will be shifted to maximum 1520 rpm. • if move from maximum, the fan speed no change. • in up zone, 10 rpm is added for every 10s until maximum 1520 rpm. B. Down: • the fan speed will be decreased one step every 10 sec. Until minimum 1270 rpm....

  • Page 23

    8.1.7. Outdoor fan motor operation outdoor fan motor is operated with 15 fan speed. It starts when compressor starts operation and it stops 30 seconds after compressor stops operation for speed no.8. No. Rpm during fan speed (rpm) e21d e18d e15d 15 75 73 71 14 75 73 71 13 70 68 66 12 68 66 64 11 64 ...

  • Page 24

    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. 8.1.9. Quiet operation (cooling mode/...

  • Page 25

    8.1.9.1. 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 follow...

  • Page 26

    (c) heating operation 8.1.11. 24-hour real time timer control on timer on timer can be set using remote control, the unit with timer set will start operate earlier than the setting time. This is to provide a comfortable environment when reaching the set on time. Outdoor fan-on instructions are trans...

  • Page 27

    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 for 20 seconds and on again or after 4-way val...

  • Page 28

    8.2.1.5. Compressor overheating prevention control instructed frequency for compressor operation will be regulated by compressor discharge temperature. The changes of frequency are as below figure. 8.2.1.6. Low pressure prevention control (gas leakage detection) a. Control start conditions control w...

  • Page 29

    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. This control will begin one minute after the compressor starts. 8.2.2.2. Coo...

  • Page 30

    3. Control contents in the outdoor fan speed no. I) in protectorate domain a is referred to as min 660 rpm. Ii) in protectorate domain b, it is referred to as min 600 rpm. 4. Condition resolutive it is canceled when it stops satisfying all of the above-mentioned. 8.2.2.3. Anti-freezing control 1. Wh...

  • Page 31

    8.2.3. Protection control for heating operation 8.2.3.1. Intake air temperature control compressor will operate at max freq 94 (e15d), 128 (e18d, e21d) hz if either one of the below conditions occur: 1. When the indoor intake air temperature is less than 21°c and remote control setting fan speed is ...

  • Page 32

    8.2.3.4. Deice control • deice starts to prevent frosting at outdoor heat exchanger. • deice operation detection commences after minimum 60 minutes of heating operation. • the outdoor heat exchanger temperature drops below 3°c for long period (minimum 40 minutes) during compressor is in operation, t...

  • Page 33: 9 Operating Instructions

    9 operating instructions 33 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 34

    34 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 35

    35 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 36

    36 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 37

    37 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 38

    38 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 39

    39 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 40

    40 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 41

    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 42

    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 43

    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 44

    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 45

    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 46

    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 47

    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 48

    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 49

    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 50

    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 51

    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 52

    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) 3. Electric drill, hole core drill (ø70 mm) 7. Reamer 11....

  • Page 53

    Caution 1. This 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 mention...

  • Page 54

    Attached accessories applicable piping kit cz-4f5, 7, 10bp 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 drainag...

  • Page 55

    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 parts installation on the ceiling • measure and mark the position for the suspension bolts and the piping hole. • drill the hole for anchor nut on the ceiling. • drill the...

  • Page 56

    1. Insert the piping sleeve to the hole. 2. Fix the bushing to the sleeve. 3. Cut the sleeve until it extrudes about 15 mm from the wall. Caution when the wall is hollow, please be sure to use the sleeve for tube ass’y to prevent dangers caused by mice biting the connecting cable. 4. Finish by seali...

  • Page 57

    Open the control box at the bottom end of the chassis and connect the cable through the hole. • connect the wires to the terminals on the control board individually according to the outdoor unit connection. • ensure the color of wires of outdoor unit and the terminal nos are the same to the indoor’s...

  • Page 58

    At 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. Please fasten the installation stand firm...

  • Page 59

    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 60

    Caution • if gauge needle does not move from 0 cmhg (0 mpa) to -76 cmhg (-0.1 mpa), in step 3 above take the following measure: • if the leak stops when the piping connections are tightened further, continue working from step 3. • if the leak does not stop when the connections are retightened, repai...

  • Page 61

    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 62

    Remo-con no. Change in remote control 1. Remove the batteries from the battery compartment of the remote control. 2. On the left side of the battery compartment, there is a small opening in the centre in which jumper (j_a) can be seen. In the accepted remo-con pcb shown beside, jumper (j_b) can be s...

  • Page 63: 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 64

    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 65

    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 66

    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 67

    Remote control reset • when the batteries are inserted for the first time or the batteries are replaced, you may notice the indications at remote control’s display screen blink continuously and not functionable. If this condition happens, try to reset the remote control by pushing the reset terminal...

  • Page 68

    12.4. Auto off/on button • the “auto off/on” button is used to operate the air conditioner if remote control is misplaced or malfunctioning. • auto operation is started once “auto off/on” button is pressed. • forced cooling operation is possible by pressing the “auto off/on” button for more than 5 s...

  • Page 69

    1. Remove the intake grille and air filter from the front grille (fig. 1). 2. Remove the front grille by removing the screws (fig. 2). 3. Fan motor and control board (fig. 3). (fig. 1) (fig. 2) (fig. 3) 12.5. Disassembly of parts 12.5.1. Front grille removal procedure 69 cs-e15dtew cu-e15dbe / cs-e1...

  • Page 70

    1. Remove two air guider blower wheel (fig. 4). 2. Remove fan motor by: - release the connectors fan motor (fig. 5). - remove the fan motor supportor screws (fig. 5). - remove the blower wheel bolts (fig. 5). 1. Remove the control board cover by removing the screws (fig. 6). 2. Electronic controller...

  • Page 71

    1. Remove the top panel and front panel fig. 8 2. Remove the outdoor electronic controller fig. 9 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 sink...

  • Page 72: 13 Technical Data

    13 technical data 13.1. Operation characteristics 13.1.1. Cs-e15dtew cu-e15dbe 72 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 73

    13.1.2. Cs-e18dtew cu-e18dbe 73 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 74

    13.1.3. Cs-e21dtes cu-e21dbe 74 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 75

    13.2. Sensible capacity chart ● cs-e15dtew cu-e15dbe 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 4.12 3.12 1.18 3.85 2.99 1.27 3.58 2.88 1.36 3.25 2.73 1.47 19.0°c 4.15 1.29 19.5°c 4.52 3.27 1.20 4.22 3.14 1.30 3.93 3.02 1.39 3.57 2.88 1.49 22....

  • Page 76

    14 exploded view (indoor unit) 14.1. Cs-e15dtew cs-e18dtew cs-e21dtes 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. 76 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 77

    15 replacement parts list (indoor unit) 15.1. Cs-e15dtew cs-e18dtew cs-e21dtes ref no. Description & name qty. Cs-e15dtew cs-e18dtew cs-e21dtes remarks 1 chassy complete 1 cwd50c1419 ← ← 2 fan motor 1 cwa921158 ← ← o 3 supporter fan motor 2 cwd932270 ← ← 4 blower wheel assy 2 cwh01k1014 ← ← 5 air gu...

  • Page 78

    16 exploded view (outdoor unit) 16.1. Cu-e15dbe cu-e18dbe cu-e21dbe 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. 78 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 79

    17 replacement parts list (outdoor unit) 17.1. Cu-e15dbe cu-e18dbe cu-e21dbe ref no. Description & name qty. Cu-e15dbe cu-e18dbe cu-e21dbe remarks 1 chassy assy 1 cwd50k2085 ← ← 2 anti-vibration bushing 3 cwh50077 ← ← 3 compressor 1 5cs130xad04 ← ← o 4 nut-compressor mount 3 cwh56000 ← ← 5 sound pro...

  • Page 80

    18.1. Indoor unit 18 electronic circuit diagram ● cs-e15dtew cs-e18dtew cs-e21dtes 10 2 4 6 8 9 7 5 3 1 1 2 3 4 5 6 10 8 7 9 cn-disp r103 10k cn-disp hajem-a (xh4) ic101 3 4 1 2 vout vcc gnd 2 r101 1k bz bz101 r102 47 d101 power sw101 auto c101 47 µf 6.3v c03 0.01 µ d102 timer d103 air swing d104 qu...

  • Page 81

    Ic01 upd784956gc 1 2 3 4 5 6 7 8 9 21 22 23 24 25 26 27 28 29 52 53 54 55 56 57 58 59 60 72 73 74 75 76 77 78 79 80 10 51 30 71 11 50 31 70 12 49 13 48 32 69 33 68 14 47 15 46 16 45 34 67 35 66 36 65 17 44 18 43 19 42 20 41 37 64 38 63 39 62 40 61 p16 t06 rxd txd s1 s0 sck reset vdd x2 x1 vss ic(vpp...

  • Page 82

    C04 1 µ cn-th pipe temp sensor (20k 3950) 4 3 2 1 air temp sensor (15k 3950) r31 20k c05 1 µ c-fm 440v 3.0 µf c19 0.1 µ r33 15k 2 3 4 5 7 4 1 1 b e c nr db01 t01 ac01(blk) fuse01 (t 2a l 250v) c17 3300 µ 35v c11 0.047 µ 630v c16 470 µf 25v c18 220 µ 16v 12v ic04 o g i 5v ic03 o g i g01 (grn) c07 470...

  • Page 83

    18.2. Outdoor unit ● cu-e15dbe cu-e18dbe cu-e21dbe 1 2 1 2 3 3 ac-wht ac-blk fuse 30a znr3 erzv10d102 znr2 erzveav511 znr6 erzveav511 data d1 era15-06 pc1 tlp421 (bl) pc2 tlp421(gr) red r11 r27 330k r2 510k 1/4w r1 510k 1/4w zd3 d12 zd4 r15 1.21k 1% d9 era15-10 1 4 3 2 13k 2w gd1 grn znr1 erzveav511...

  • Page 84

    Schematic diagram 2/4 r190 7.5 Ω 5w r103 9.53k 1% r104 51.5k 1% c50 1000p d17 c45 1000p r109 11.3k r91 49.9k r110 3.74k 1% r92 15k r83 1.8k r100 374k 1% e e c c b b q13 q11 10k 4.7k 10k 4.7k ic4 ic4 7 5 6 ic3 ic3 r82 1.8k r79 10k q7 2sc3441 c51 1000p r108 82.5k 1% r99 15.0k 1% r98 3.74k 1% r107 3.74...

  • Page 85

    Schematic diagram 3/4 p70 p71 p72 p73 p74/irq00 p75/irq01 p76/irq02 p77/irq03 p80/adin00 p81/adin01 p82/adin10 p83/adin11 vss vref- p84/adin20 vref+ vdd p85/adin21 p86/adin22 p87/adin23 p90/adin24 p91/adin25 p92/adin26 p93/adin27 p94/adin28 p42/tm9a1 p41/tm8810 p40/tma10 p37/tm710 p36/tm610 p35/tm51...

  • Page 86

    Schematic diagram 4/4 c ho ce vcc in com c ho ce vcc in com c ho ce u out v out w out roc cf0 vcc in com vcc in(x) in(y) in(x) vfo gnd r194 r193 c106 0.47µ 630v d27 d41 d26 1000p x3 hv1c1 hv1c2 hv1c3 lvic q17 p u 3 2 1 7 8 6 5 13 12 10 9 14 19 20 18 15 4 v w u v w n red blue yellow compressor c81 0....

  • Page 87

    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 88

    18.3. Remote control 88 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 89

    18.4. Print pattern indoor unit printed circuit board 89 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe.

  • Page 90

    18.5. Print pattern outdoor unit printed circuit board view 90 cs-e15dtew cu-e15dbe / cs-e18dtew cu-e18dbe / cs-e21dtes cu-e21dbe [phaam] printed in malaysia.