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Panasonic CS-C12CKP Service Manual

Summary of CS-C12CKP

  • Page 1

    1 features 2 2 functions 3 3 product specifications 6 4 dimensions 14 5 refrigeration cycle diagram 16 6 block diagram 17 7 wiring diagram 18 8 operation details 19 9 operating instructions 32 10 installation instructions 37 © 2002 matsushita industrial corp. Sdn. Bhd. (11969-t). All rights reserved...

  • Page 2: 1 Features

    • high efficiency • compact design • comfort environment − ionizer control for generate negative ion in discharge air − air filter with function to reduce dust and smoke − wider range of horizontal discharge air • auto restart − random auto restart after power failure for safety restart operation • ...

  • Page 3: 2 Functions

    2 functions remote control operation off / on off / on i room temperature setting temp. Operation mode selection • auto automatic operation mode • cool cooling operation mode • dry soft dry operation mode • fan air circulation mode mode time time / timer setting • hours and minutes setting. Clock se...

  • Page 4

    Indoor unit ionizer control • ionizer control for generate negative ion in discharge air. Indoor fan speed control • high, medium and low. • automatic fan speed mode – cooling : fan rotates at hi, me and slo speed. Deodorizing control is available. – soft dry : fan rotates at lo- speed. Deodorizing ...

  • Page 5

    Outdoor unit • to protect compressor from reverse rotation when there is a instantaneous power failure. 60 secs. Forced operation control • once the compressor is activated, it does not stop within the first 60 secs. However, it stops immediately with remote control stop signal. Overload protector •...

  • Page 6: 3 Product Specifications

    3 product specifications unit cs-c7ck cu-c7ck power source phase, voltage, cycle (1) single, 220 - 230, 50 hz (3) single, 220 - 240, 50 hz cooling capacity kw (kcal/h) (1) 2.00 - 2.10 (1,720 - 1,800) kw (btu/h) (3) 2.00 - 2.05 (6,820 - 6,990) moisture removal l/h (pint/h) 1.3 (2.7) airflow method ou...

  • Page 7

    Note: unit cs-c7ck cu-c7ck air circulation type cross-flow fan propeller fan material as + glass fiber 20% pp resin motor type induction (4-poles) induction (6-poles) input w 44.8 - 53.5 52.0 - 59.0 rate output w 15 30 fan speed low rpm 780 - 780 — medium rpm 900 - 900 — high rpm (1) 1,030 - 1,030 8...

  • Page 8

    Unit cs-c9ck cu-c9ck power source phase, voltage, cycle (1) (4) single, 220 - 230, 50 hz (2) single, 220, 60 hz (3) single, 220 - 240, 50 hz cooling capacity kw (kcal/h) (1) (4) 2.65 - 2.75 (2,280 - 2,360) kw (btu/h) (2) 2.65 (9,000) (3) 2.65 - 2.70 (9,040 - 9,200) moisture removal l/h (pint/h) 1.6 ...

  • Page 9

    Unit cs-c9ck cu-c9ck dimensions height inch (mm) 10 - 13/16 (275) 21 - 1/4 (540) width inch (mm) 31 - 15/32 (799) 30 - 23/32 (780) depth inch (mm) 8 - 9/32 (210) 11 - 3/8 (289) net weight lb (kg) (1) (3) (4) 20 (9.0) 71 (31.0) (2) 20 (9.0) 62 (28.0) compressor type — rotary (1 cylinder) rolling pist...

  • Page 10

    Note: • specifications are subject to change without notice for further improvement. • (1) — cs-c9ckp/cu-c9ckp5 (europe & cis). • (2) — cs-c9ckp-1/cu-c9ckp6-1 (panama). • (3) — cs-c9ckp-2/cu-c9ckp5-2 (oceania). • (4) — cs-c9ckp-6/cu-c9ckp5-6 (turkey & tunisia). 10 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9...

  • Page 11

    Unit cs-c12ck cu-c12ck power source phase, voltage, cycle (1) (4) single, 220 - 230, 50 hz (2) single, 220, 60 hz (3) single, 220 - 240, 50 hz cooling capacity kw (kcal/h) (1) (4) 3.52 - 3.65 (3,030 - 3,140) kw (btu/h) (2) 3.56 (12,100) (3) 3.52 - 3.57 (12,000 - 12,170) moisture removal l/h (pint/h)...

  • Page 12

    Unit cs-c12ck cu-c12ck net weight lb (kg) (1) (3) (4) 20 (9.0) 77 (35.0) (2) 20 (9.0) 73 (33.0) compressor type — rotary (1 cylinder) rolling piston type motor type — induction (2-poles) rated output kw (1) (3) (4) — 1.10 (2) — 0.85 air circulation type cross-flow fan propeller fan material as + gla...

  • Page 13

    Note: unit cs-c12ck cu-c12ck capillary tube length mm — 605 flow rate l/min — 15.7 inner diameter mm — 1.7 air filter material style p.P. Honeycomb — capacity control capillary tube compressor capacitor µf, vac — 30 µf, 400vac fan motor capacitor µf, vac 1.5 µf, 400vac 2.0 µf, 450vac • specification...

  • Page 14: 4 Dimensions

    4 dimensions 14 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 15

    15 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 16

    5 refrigeration cycle diagram 16 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 17: 6 Block Diagram

    6 block diagram 17 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 18: 7 Wiring Diagram

    Remarks b : blue br : brown bl : black g : green gry : gray o : orange p : pink r : red w : white y : yellow y/g : yellow/green resistance of indoor fan motor windings model cs-c7ck cs-c9ck cs-c12ck connection cwa921060 blue-yellow 371.0 Ω yellow-red 386.6 Ω note: resistance at 20°c of ambient tempe...

  • Page 19: 8 Operation Details

    Cooling in operation according to remote control setting. Time delay safety control (3 minutes) 7 minutes time save control starting current control anti-freezing control • if the temperature of the indoor heat exchanger falls continuously below 2°c for 4 minutes or more, the compressor turns off to...

  • Page 20

    Automatic fan speed mode cooling operation time diagram when automatic fan speed is selected at remote control during cooling operation. • fan speed rotates in the range of hi to me. • deodorizing control. 20 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c1...

  • Page 21

    Quiet operation control (for cooling mode or cooling region of soft dry mode) • purpose of this operation is to provide quite cooling operation compare to normal operation. • when the quiet mode is set at the remote control, quiet mode led illuminates, the sound level will be automatically decreased...

  • Page 22

    Time delay safety control starting current control anti-freezing control compressor reverse rotation protection control automatic fan speed mode 8.2. Soft dry mode operation • the unit starts cooling operation until the room temperature reaches the setting temperature set on the remote control, and ...

  • Page 23

    Soft dry operation time diagram quiet operation control (for dry region of soft dry mode) 23 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 24

    Air circulation mode operation time diagram standard for determining operation mode 8.3. Air circulation mode operation • when the temperature near the ceiling reaches the setting temperature, air circulation mode operation commences at low airflow volume. It stops when the temperature drops to 2°c ...

  • Page 25

    8.5. Powerful mode operation • purpose of this operation is to obtain the setting temperature quickly. • when the powerful mode is set, the set temperature will be automatically decreased 3°c against the present setting temperature (lower temperature: 16°c). • this operation automatically will be ru...

  • Page 26

    Vertical airflow direction auto-control • when set a airflow direction auto-control with remote control, the louver swings up and down as shown in the diagram. • the louver does not swing when the indoor fan motor stops during operation at the upper limit. • when stopped with remote control, the dis...

  • Page 27

    8.9. Delay on timer control • when the delayed on timer is set by using the remote control, the unit will start operate slightly before the set time, so that the room will reach nearly to the set temperature by the desired time. • for cooling and soft dry mode, the operation will start 15 minutes be...

  • Page 28

    Air flow direction (horizontal vane) control: follow vane direction control at cooling mode. Horizontal vane can be changed by customer during ion only operation. 2. Ion only operation can be off by pressed ion button again. (2 → 1) 3. It can be changed to previous operated mode (auto, cool, dry, fa...

  • Page 29

    Case 1a: ionizer only operation (12h delay timer on) case 2a: ionizer only operation (24h real time timer on) case 3a: operation mode + ionizer (12h delay timer on) case 4a: operation mode + ionizer (24h real time timer on) case 5a: ionizer only operation (24h real time timer on) case 6a: ionizer on...

  • Page 30

    Case 8: ionizer only operation (auto fan) & shift to cool mode 30 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 31

    Note: 1. 24 times checking: actual ion on for 10s & off for 1s 30 min continuously for 24 times. 2. 24 times count will be cleared when following conditions happen. A) 24 times count over, b) ionizer cancel if press ion button or power reset, c) ion f/b sgnl ok. 3. Error protection will be cleared w...

  • Page 32: 9 Operating Instructions

    9 operating instructions safety precautions before operating, please read the following “safety precautions” carefully. ● to prevent personal injury, injury to others and property damage, the following instructions must be followed. ● incorrect operation due to failure to follow instructions will ca...

  • Page 33

    Name of each part ■ remote control ● remote control signal. • make sure it is not obstructed. • maximum distance : 10 m. • signal received sound. One short beep or one long beep. ● notes for remote control. • do not throw or drop. • do not get it wet. • certain type of fluorescent lamps may affect s...

  • Page 34

    Manual five stages of adjustment can be made between 14° ~ 36°. Manual five stages of adjustment can be made between 0° ~ 61°. Heat pump model manual five stages of adjustment can be made between 14° ~ 36°. Swing up/down automatically move up/down automatically manual five stages of adjustment can b...

  • Page 35

    ■ pre-season inspection ● is the discharged air cold/warm? Operation is normal if 15 minutes after the start of operation, the difference between the air intake and outlet vents temperature is:- ● are the air intake or outlet vents of the indoor or outdoor units obstructed? ● are the remote control ...

  • Page 36

    Troubleshooting ■ normal operation is it okay? • air conditioner has been restarted, but does not operate for 3 minutes. • a sound like water flowing can be heard. • it seems that fog is coming out from the air conditioner. • the room has a peculiar odour. • during automatic vertical airflow setting...

  • Page 37

    10 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) 42 n.M (4.2 kgf.M) 55 n.M (5.5 kgf.M) 3. Electric drill, hole core drill (ø7...

  • Page 38

    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 39

    Applicable piping kit cz-3f5, 7aen (c7ck, c9ck, a7ck, a9ck, v7ck, v9ck, w7ck, w9ck) cz-4f5, 7, 10an (c12ck, a12ck, v12ck, w12ck) 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 pl...

  • Page 40

    10.2.1. Select the best location (refer to “select the best location” section) 10.2.2. 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 450 mm at right and left of the wall. The distan...

  • Page 41

    3. For the embedded piping (this can be used for left rear piping & left bottom piping also.) 41 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 42

    10.2.5. Connect the cable to the indoor unit 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 3 (c7ck, c9ck, c12ck, v7ck, v9ck, v12ck) or 5 (a7ck, a9ck, a...

  • Page 43

    How to take out front grille please follow the steps below to take out front grille if necessary such as when servicing. 1. Set the vertical airflow direction louver to the horizontal position. 2. Slide down the two caps on the front grille as shown in the illustration below, and then remove the two...

  • Page 44

    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 45

    (1) * * connect the manifold gauge to the service port of 3-way valve. Measure the pressure. (2) * * keep it for 5-10 minutes. Ensure that the pressure indicated on the gauge is the same as that of measured during the first time. 10.3.5. (b) air purging of the piping and indoor unit the remaining ai...

  • Page 46

    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 47: 11 2-Way, 3-Way Valve

    11 2-way, 3-way valve 2-way valve (liquid side) 3-way valve (gas side) works shaft position shaft position service port shipping close close close (with valve cap) (with valve cap) (with cap) evacuation close close open (installation and (counter-clockwise) (clockwise) (push-pin) re-installation) op...

  • Page 48

    11.1.1. Evacuation of installation when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1. Connect a charging hose with a push pin to the low side of a charging set and the service port of a 3-way valve. • be sure to connect the...

  • Page 49

    11.1.2. Pumping down procedure: 1. Confirm that both the 2-way and 3-way valves are set to the opened position. • remove the valve stem caps and confirm that the valve stems are in the opened position. • be sure to use a hexagonal wrench to operate the valve stems. 2. Operate the unit for 10 to 15 m...

  • Page 50

    11.1.3. Evacuation of re-installation when reinstalling an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 1. Connect a charging hose with a push pin to the low side of a charging set and the service port of the 3-way valve. • be sure to conn...

  • Page 51

    (lack of refrigerant in the refrigeration cycle) procedure: 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. • leave the valve on the charge set closed. • connect the charge hose with the push-pin to the servic...

  • Page 52

    (no refrigerant in the refrigeration cycle) procedure: 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. • confirm that the gauge needle has moved toward -0.1 mpa (-76 cmhg) [vacuum of 4 mmhg or less.] 3. Close the valve (low side) on the charge se...

  • Page 53

    (after evacuation) procedure: 1. Connect the charge hose to the charging cylinder. • connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. • open the valve at the bottom of the cylinder and press the che...

  • Page 54

    Required tools: hexagonal wrench, adjustable wrench, torque wrenches, wrench to hold the joints and gas leak detector. The additional gas for air purging has been charged in the outdoor unit. However, if the flare connections have not been done correctly and there gas leaks, a gas cylinder and the c...

  • Page 55

    1. Confirm that both the 2-way and 3-way valves are set to the opened position. • remove the valve stem caps and confirm that the valve stems are in the opened position. • be sure to use a hexagonal wrench to operate the valve stems. 2. Operate the unit for 10 to 15 minutes. 3. Stop operation and wa...

  • Page 56

    11.2.3. Re-air purging (re-installation) 1. Confirm that both the 2-way and 3-way valves are set to the closed position. 2. Connect the charge set and a charging cylinder to the service port of the 3-way valve. • leave the valve on the charging cylinder closed. 3. Air purging. • open the valves on t...

  • Page 57

    (gas leakage) 1. Confirm that both the 2-way and 3-way valves are set to the open position. 2. Connect the charge set to the 3-way valve’s service port. • leave the valve on the charge set closed. • connect the charge hose with the push pin to the service port. 3. Open the valves (low side) on the c...

  • Page 58

    (no refrigerant in the refrigeration cycle) 1. Connect the vacuum pump to the charge set’s centre hose. 2. Evacuation for approximately one hour. • confirm that the gauge needle has moved toward -0.1 mpa (-76 cmhg) [vacuum of 4 mmhg or less.] 3. Close the valve (low side) on the charge set, turn off...

  • Page 59

    11.2.6. Gas charging (after evacuation) 1. Connect the charge hose to the charging cylinder. • connect the charge hose which you disconnected from the vacuum pump to the valve at the bottom of the cylinder. 2. Purge the air from the charge hose. • open the valve at the bottom of the cylinder and pre...

  • Page 60: 12 Servicing Information

    1. The electronic controller, a signal receiver and an indicator (fig. 3) can be seen by the below steps: • remove the 2 caps and 2 screws at the bottom of the front grille. (fig. 1) • remove the front grille by releasing the 2 hooks at the top of the front grille. (fig. 1) • remove the control boar...

  • Page 61

    − pulling out the drain hose from outlet to remove the discharge grille. (fig. 5) − removing the right and left screws. (fig. 5) − then remove the control board by pressing down the hook at the left and pushing up the right hook. (fig. 5) − releasing connector lead wire ionizer. (fig. 5) − release t...

  • Page 62

    − remove the screws at the left of the evaporator. (fig. 8) − remove the bearing. (fig. 9) − push up the evaporator and pull out the cross flow fan from shaft. By then, fan motor can be taken out. (fig. 9) fig. 8 fig. 9 62 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c...

  • Page 63

    • 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 you will find a resetting terminal, and by shorting it with a min...

  • Page 64: 13 Troubleshooting Guide

    13.1. 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 fan. The normal outlet air te...

  • Page 65

    13.1.1. Relationship between the condition of the air conditioner and pressure and electric current cooling mode condition of the air conditioner low pressure high pressure electric current during operation insufficient refrigerant (gas leakage) clogged capillary tube or strainer short circuit in th...

  • Page 66: 14 Technical Data

    14 technical data 240v 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 2.03 1.54 0.59 1.90 1.48 0.63 1.77 1.42 0.67 1.61 1.35 0.73 19.0°c 2.05 0.64 19.5°c 2.23 1.61 0.60 2.09 1.55 0.64 1.94 1.49 0.69 1.77 1.42 0.74 22.0°c 2.43 1.67 0.61 2.27 1.61 0...

  • Page 67

    240v 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 2.68 2.03 0.75 2.50 1.95 0.81 2.33 1.87 0.86 2.12 1.78 0.93 19.0°c 2.70 0.82 19.5°c 2.94 2.13 0.77 2.75 2.04 0.82 2.56 1.97 0.88 2.32 1.87 0.95 22.0°c 3.20 2.20 0.78 2.99 2.12 0.84 2.79 2.05 0.90...

  • Page 68

    68 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 69

    69 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 70: 15 Exploded View

    15 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. 70 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 71: 16 Replacement Parts List

    16 replacement parts list ref. No. Part name & description qty. Cs-c7ck cs-c9ck cs-c12ck remarks 1 chassy complete 1 cwd50c1246 ← ← 2 fan motor 1 cwa921060 ← ← 0 3 cross flow fan complete 1 cwh02c1012 ← ← 4 bearing ass’y 1 cwh64k007 ← ← 5 screw - cross flow fan 1 cwh4580304 ← ← 6 evaporator 1 cwb30c...

  • Page 72: 17 Exploded View

    17 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. 72 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 73: 18 Replacement Parts List

    18 replacement parts list ref. No. Part name & description qty. Cu-c7ck cu-c9ck cu-c12ck remarks 1 chassy ass’y 1 (1) (2) (3) (4) cwd50k2071 - cwd50k2071 - ← cwd50k2071 ← cwd50k2071 cwd50k2072 ← cwd50k2072 cwd50k2072 2 sound proof material 1 cwg302110 ← ← 3 fan motor bracket 1 cwd541030 ← ← 4 screw ...

  • Page 74

    Ref. No. Part name & description qty. Cu-c7ck cu-c9ck cu-c12ck remarks 31 wire net 1 (1) (2) (3) (4) cwd041021a - cwd041021a - ← cwd041021a ← cwd041021a cwd041022a ← cwd041022a cwd041022a 32 cabinet top plate 1 cwe031014a ← ← 33 plate - c. B. Cover 1 cwh131088 ← ← 34 control board cover 1 cwh131092 ...

  • Page 75

    19 electronic circuit diagram schematic diagram 1/3 • cs-c7ck / cu-c7ck • cs-c9ck / cu-c9ck • cs-c12ck / cu-c12ck (ph10) 10 7 12 5 11 6 9 g f e cn-stm 3 4 5 5 4 3 2 (ph5) (zh5) air temp. Sensor (15k 3950) (20k 3950) pipe temp. Sensor receiver indicator a b c d cn-disp 7 6 5 4 3 1 2 1 8 3 14 2 15 1 1...

  • Page 76

    Schematic diagram 2/3 q03 4.7k 10k e b c a52d0022gb75 ic01 p72 p73 p74 p75 p64 p65 p66 p67 p40/ad0 p41/ad1 p42/ad2 p43/ad3 p44/ad4 p45/ad5 p46/ad6 p47/ad7 p11/an1 p12/an2 p13/an3 p14/an4 p15/an5 p16/an6 p17/an7 avss vdd1 p25 p24 p23 p22/sck p21/s0 p20/s1 p36 p51/a9 p50/a8 p53/a11 p52/a10 p54/a12 p56...

  • Page 77

    Schematic diagram 3/3 ic03 g i 16v c11 5v 12v i g ic04 c17 35v (nhg) db01 c14 25v 1k r36 50/60hz ac 220-240v motor fan cn-fm 5 4 3 1 cn-fb1 (ph-3) ry-pwr ac (wht) t01 5 8 13 2 511u znr01 regulator regulator + ~ ~ c12 c-fm c03 ssr01 511u znr03 l01 c19 q04 c e b r44 1k 1.0k r41 510 r48 39k/2w r47 39k/...

  • Page 78

    78 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 79

    How to use electronic circuit diagram timer table test mode name time (when test point remarks short-circuited) real timer 1 hr. 1 min. 10 min. 10 sec. 1 min. 1 sec. Time delay safety control 2 min. 58 sec. 0 sec. Forced operation 60 sec. 0 sec. Time save control 7 min. 4.2 sec. Anti-freezing 4 min....

  • Page 80

    19.1. Remote control 80 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 81

    19.2. Print pattern indoor unit printed circuit board top view 81 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6.

  • Page 82

    19.3. Print pattern indoor unit printed circuit board bottom view 82 cs-c7ckp cu-c7ckp5 / cs-c9ckp cu-c9ckp5 / cs-c9ckp cu-c9ckp6 / cs-c12ckp cu-c12ckp5 / cs-c12ckp cu-c12ckp6 [maico] printed in malaysia.