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Panasonic CS-MC125KE Service Manual

Manual is about: Panasonic Multi-Split Air Conditioner

Summary of CS-MC125KE

  • Page 1

    1 features 2 2 functions 3 3 product specifications 6 4 dimensions 16 5 refrigeration cycle diagram 20 6 block diagram 23 7 wiring diagram 28 8 operation details 33 © 2000 matsushita industrial corp. Sdn. Bhd. (11969-t) all rights reserved. Unauthorized copying and distribution is a violation of law...

  • Page 2: 1 Features

    17 replacement parts list 105 18 exploded view 106 19 replacement parts list 107 20 exploded view 108 21 replacement parts list 109 22 exploded view 110 23 replacement parts list 111 24 exploded view 112 • high efficiency • compact design • comfort environment − 8 hours of sleep mode operation − air...

  • 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 timer time / timer setting • hours and minutes setting. Clock s...

  • Page 4

    Indoor unit random auto restart control • operation is restarted randomly after power failure at previous setting mode. Anti-freezing control • anti-freezing control for indoor heat exchanger. (cooling and soft dry) sleep mode auto control • indoor fan operates at low speed. • operation stops after ...

  • 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-mc95ke cu-mc145ke cooling capacity kw kcal/h (1 unit) 2.82 - 2.78 2,430 - 2,390 (2 units) 1.81 × 2 - 1.79 × 2 1,555 × 2 - 1,540 × 2 moisture removal l/h pint/h (1 unit) 1.6 3.4 (2 units) 1.05 × 2 2.2 × 2 power source phase v cycle single 230 - 220 50 airflow method o...

  • Page 7

    Heat exchanger description evaporator condenser tube material copper copper fin material aluminium aluminium fin type slit fin louver fin row / stage (plate fin configuration, forced draft) 2 × 14 1 × 20 fpi 18 19 size (w × h × l) mm 624 × 294 × 25.4 687 × 508 × 22 refrigerant control device — capil...

  • Page 8

    Unit cs-mc95ke cu-mc185ke cooling capacity kw kcal/h (1 unit) 2.44 - 2.40 2,100 - 2,060 (2 units) 2.44 × 2 - 2.40 × 2 2,100 × 2 - 2,065 × 2 moisture removal l/h pint/h (1 unit) 1.5 3.2 (2 units) 1.3 × 2 2.75 × 2 power source phase v cycle single 230 - 220 50 airflow method outlet intake side view to...

  • Page 9

    Heat exchanger description evaporator condenser tube material copper copper fin material aluminium aluminium fin type slit fin louver fin row / stage (plate fin configuration, forced draft) 2 × 14 2 × 24 fpi 18 16 size (w × h × l) mm 624 × 294 × 25.4 560 × 609.6 × 44 refrigerant control device — cap...

  • Page 10

    Cs-mc95ke cu-3mc205ke unit single operation (a, b1, b2) single operation double operation trible operation (a) (b1 or b2) (b1 + b2) (a + b1 or b2) (a + b1 + b2) cooling capacity per unit kw kcal/h — 2.40-2.34 2,060-2,010 2.82-2.78 2,430-2,390 3.60-3.52 3,100-3,030 5.22-5.12 4,490-4,400 6.00-5.86 5,1...

  • Page 11

    Heat exchanger description evaporator condenser tube material copper copper fin material aluminium aluminium fin type slit fin louver fin row / stage (plate fin configuration, forced draft) 2 × 14 1 × 24 fpi 18 16 size (w × h × l) mm 624 × 294 × 25.4 756.0 719.5 × 609.6 × 44 refrigerant control devi...

  • Page 12

    Unit cs-mc125ke cu-mc245ke cooling capacity kw kcal/h (1 unit) 3.50 - 3.45 3,010 - 2,970 (2 units) 3.50 × 2 - 3.45 × 2 3,010 × 2 - 2,970 × 2 moisture removal l/h pint/h (1 unit) 2.1 4.4 (2 units) 2.1 × 2 4.4 × 2 power source phase v cycle single 230 - 220 50 airflow method outlet intake side view to...

  • Page 13

    Heat exchanger description evaporator condenser tube material copper copper fin material aluminium aluminium fin type slit fin louver fin row / stage (plate fin configuration, forced draft) 2 × 14 1 × 19 fpi 21 21 size (w × h × l) mm 614 × 294 × 25.4 776.2 × 482.6 × 22 refrigerant control device — c...

  • Page 14

    Unit (a) cs-mc126ke (b) cs-mc76ke cs-mc196ke cooling capacity kw kcal/h (a) 3.55 - 3.52 (a) 3,050 - 3,030 (b) 2.08 - 2.06 (b) 1,790 - 1,770 (a+b) 5.63 - 5.58 (a+b) 4,840 - 4,800 moisture removal l/h pint/h (a) 2.1 4.4 (b) 1.4 3.0 (a+b) 3.1 6.6 power source phase v cycle single 230 - 220 50 airflow m...

  • Page 15

    Heat exchanger description evaporator condenser tube material copper copper fin material aluminium aluminium fin type slit fin louver fin row / stage (plate fin configuration, forced draft) (a) 2 × 14 (b) 2 × 14 2 × 24 fpi 21 21 16 size (w × h × l) mm 614 × 294 × 25.4 756 719.5 × 609.6 × 44 refriger...

  • Page 16: 4 Dimensions

    4 dimensions 16 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 17

    17 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 18

    18 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 19

    19 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 20

    5 refrigeration cycle diagram 20 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 21

    21 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 22

    22 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 23: 6 Block Diagram

    6 block diagram 23 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 24

    24 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 25

    25 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 26

    26 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 27

    27 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 28: 7 Wiring Diagram

    7 wiring diagram 28 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 29

    29 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 30

    30 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 31

    31 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 32

    32 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 33: 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 34

    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. 34 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke...

  • Page 35

    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 36

    Soft dry operation time diagram 36 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 37

    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 38

    Cooling or soft dry operation when you press the sleep mode, the following movement will start to avoid overcooling. • when the room temperature reaches the setting temperature or after 1 hour of operation, sleep shift operation starts and the airflow volume will automatically change to low. • the s...

  • Page 39

    8.8. Random auto restart control • if there is a power failure, operation will be automatically restarted after 3 to 5 1/2 minutes when the power is resumed. It will start with previous operation mode and airflow direction. • restart time is decided randomly using 4 parameter:- intake air temperatur...

  • Page 40

    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 stops during operation. • when stopped with remote control, the discharge vent is closed with the lou...

  • Page 41: 9 Operating Instructions

    9 operating instructions ■ do not install, remove and reinstall the unit yourself. Improper installation will cause leakage, electric shock or fire. Please consult an authorized dealer or specialist for the installation work. Safety precautions before operating, please read the following “safety pre...

  • Page 42

    Do not share outlet. Power economy powerful sleep timer ! Warning this sign warns of death or serious injury. Do not insert plug to operate the unit. Do not pull out plug to stop the unit. Plug in properly. Do not operate with wet hands. ● operation precautions use specified power cord. Do not damag...

  • Page 43

    Power economy powerful sleep timer do not wash the unit with water. Do not use for other purpose such as preservation or etc. Do not use any combustible equipment at airflow direction. Do not sit or place anything on the outdoor unit. Ventilate the room regularly. Pay attention as to whether the ins...

  • Page 44: Name of Each Part

    Name of each part ● indoor unit air intake vent power supply cord panel opener signal receptor operation indicators ● power : green ● sleep : orange ● timer : orange air outlet vent vertical airflow direction louver horizontal airflow direction louver (manually adjusted) economy/powerful indicators ...

  • Page 45: Accessories

    Two ro3 dry-cell batteries or equivalent air purifying filters (catechin air purifying filters and deodorizing filters) remote control remote control indication sticker powerful temp off /on cool auto remote control holder ● outdoor unit ● accessories cu-mc245ke cu-mc185ke cu-mc196ke piping air inta...

  • Page 46

    Room temperature setting button (self-illuminating button) off/on button (self-illuminating button) powerful mode operation button operation display signal transmitter ■ when the remote control cover is opened ● remote control pow erful temp off/on cool auto air swing timer clock 1 2 3 fan cool lo h...

  • Page 47

    ■ when the back cover is opened ■ how to use the remote control • maximum distance : 10 m • make sure it is not obstructed. Open notes • do not throw or drop • do not get it wet • certain type of flourescent lamps may affect signal reception. Consult your dealer. Signal receptor • signal received so...

  • Page 48: Preparation Before Operation

    Preparation before operation ! Warning ■ ensure the power plug is securely inserted. A loose plug may cause a fire or an electric shock. 5 insert the air filters 4 insert the air purifying filters 6 close the front panel ■ notes dbt: dry bulb temp wbt: wet bulb temp maximum temperature minimum tempe...

  • Page 49

    1 press the clock button 2 press to set the current time press continuously for fast forwarding. Press continuously for fast reversing. 3 press the clock button • can be used for approximately one year. Observe the following when replacing the batteries • replace with new batteries of the same type ...

  • Page 50: How To Operate

    Air swing timer clock 1 2 3 cool mode economy fan speed auto manual on off cancel sleep set powerful off/on cool temp how to operate ● automatic, cooling, soft dry, fan display close the cover a fan dry cool hi auto auto lo auto a – automatic operation • once the automatic operation is selected, the...

  • Page 51

    ● adjusting airflow direction and fan speed ■ operation details – air circulation operation • when the room temperature reaches the setting temperature, operation commences at low airflow volume. It stops when the room temperature drops to 2°c below the setting temperature. (it is useful when using ...

  • Page 52: Setting The Timer

    Air swing timer cloc k 1 2 3 cool on am mode economy fan speed auto manual on off set cancel sleep setting the timer 1 press on-timer flashes → set the on-timer to 7:00am 2 press to set the time increase by 10 minutes decrease by 10 minutes * press continuously for quick setting. Ensure that the cur...

  • Page 53

    ● recommended setting of timer ■ when you sleep • set the time at which you will go to sleep with the off-timer. This prevent wastage of electricity. ■ when you wake up • set the time at which you will wake up with the on-timer. You can start the new day at a comfortable temperature. Note: (the abov...

  • Page 54: Convenience Operation

    Convenience operation ■ to set the sleep mode, press sleep. * the sleep indicator on the indoor unit will light up. ■ to cancel the sleep mode, press once more. Air swing timer clo ck 1 2 3 cool mode economy fan speed auto manual on off set cancel sleep • when the room temperature reaches the settin...

  • Page 55

    Air sw ing tim er clo ck 1 2 3 cool mode economy fan speed auto manual on off set cancel sleep po w erful off/on ● economy or powerful mode ■ operation details cover is closed economy operation powerful operation cooling/soft dry airflow volume super high airflow volume low (on and off) economy mode...

  • Page 56: Care and Maintenance

    5 let it dry and reinstall it. Be sure the “front” mark is facing you. * damaged air filter. Consult the nearest authorized dealer. Part no.: cwd00240. • do not clean using benzene, thinner, scouring powder or cloths soaked in caustic chemicals. 2 remove dirt using a vacuum cleaner. 3 wash back of t...

  • Page 57

    ● cleaning the front panel ! Caution 1 raise the front panel to its full extent. 2 slide the two tabs (left and right) to the unlock position. 3 raise the front panel to a position slightly higher than horizontal and pull to remove. • gently wash with water and a sponge. (do not use a scrubbing brus...

  • Page 58

    ● replacing the air purifying filters 1 raise the front panel to its full extent. 2 remove the air filters (left and right). • lift up slightly then pull down 3 hold the tabs of the air purifying filters and pull. ! Caution - be careful not to hurt your hands on metal parts. (once every 3 month) • d...

  • Page 59

    • is the discharge air cold? Operation is normal if 15 minutes after the start of operation, the difference between the air intake and outlet vents temperatures is 8°c or above for cooling. • are the remote control batteries weak? If the remote control display appears weak, replace the batteries (pa...

  • Page 60: Troubleshooting

    Ssshh power economy powerfu l sleep timer troubleshooting auto fan q - during automatic vertical airflow setting, indoor fan stops occasionally. A - this is to remove the smell emitted by the surroundings. Dry q - during soft dry mode operation the air conditioner stops. A - soft dry mode operation ...

  • Page 61

    • water or foreign material gets into the remote control by mistake. The air conditioner does not operate. • has a circuit breaker been tripped? • has the power plug been removed from the wall outlet? • is the timer being used correctly? Air conditioner operation noise too loud. • is the installatio...

  • Page 62: Helpful Information

    Helpful information auto operation button ■ automatic operation • if the remote control fails to function or misplaced, press auto operation button for automatic operation. • the automatic operation will be activated immediately once the auto operation button is pressed. However, temperature cannot ...

  • Page 63

    Energy saving and operation hints timer and sleep mode to prevent wastage of electricity, use sleep mode when sleeping or timer when going out to save electricity cost. Avoid direct sunlight keep curtains or drapes closed to keep out direct sunlight during cooling operation. Outdoor unit do not bloc...

  • Page 64

    ! Warning 1) this appliance must be earthed. 2) if the supply cord is damaged or need to be replaced, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid a hazard. 3) remove power plug or disconnect from the mains before servicing this appli...

  • Page 65

    10 installation instructions required tools for installation works 1. Phillips 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 (ø...

  • Page 66

    1. Grounding is necessary. 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 installati...

  • Page 67

    Attached accessories applicable piping kit cz-3f5, 7aen (cs-mc95ke/cu-mc145ke, mc185ke, 3mc205ke, cs-mc76ke) cz-4f5, 7, 10an (cs-mc125ke/cu-mc245ke, cs- mc126ke) select the best location indoor unit • there should not be any heat source or steam near the unit. • there should not be any obstacles blo...

  • Page 68

    • this illustration is for explanation purposes only. The indoor unit will actually face a different way. 10.2. Indoor unit 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 ...

  • Page 69

    10.2.3. To drill a hole in the wall and install a sleeve of piping 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 dan...

  • Page 70

    (this can be used for left rear piping and left bottom piping also.) 70 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 71

    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 × 1.5 mm 2 flexible cord, type designation h05 rn-f or hea...

  • Page 72

    10.3.1. Select the best location (refer to “select the best location” section) 10.3.2. Install the outdoor unit • 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 nu...

  • Page 73

    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 and down to avoid the metal powder entering the pipe. 3. Please make flare after inserting the flare nut ...

  • Page 74

    10.3.5. Connect the cable to the outdoor unit 1. Remove the control board cover from the unit by loosening the screw. 2. Connecting cable between indoor unit and outdoor unit shall be approved polychloroprene sheathed 3 × 1.5 mm 2 flexible cord, type designation h05 rn-f or heavier cord. 3. Secure t...

  • Page 75

    Check items is there any gas leakage at flare nut connections? Has the heat insulation been carried out at flare nut connection? Is the connecting cable being fixed to terminal board firmly? Is the connecting cable being clamped firmly? Is the drainage ok? (refer to “check the drainage” section) is ...

  • Page 76: 11 3-Way Valve

    11 3-way valve cu-mc145ke / cu-mc185ke / cu-3mc205ke / cu-mc196ke 3-way valve (liquid side) 3-way valve (gas side) works shaft position service port shaft position service port shipping close closed closed closed (with valve cap) (with cap) (with valve cap) (with cap) evacuation closed open closed o...

  • Page 77

    11.1. Evacuation of installation required tools: hexagonal wrench, adjustable wrench, torque wrenches, wrench to hold the joints, gas leak detector, charging set and vacauum pump. 1. Connect a charging hose with a push pin to the low side of a charging set and the service ports of a 3-way valves. • ...

  • Page 78

    11.2. Pumping down 1. Confirm that both the 3-way valves are set to the opened position. • remove the valve stem caps and confirm that the valve stems are in the open 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...

  • Page 79

    11.3. 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 and high sides of a charging set and the service port of the 3-way valve. • be sure...

  • Page 80

    (lack of refrigerant in the refrigeration cycle) 1. Confirm that both the 3-way valves are set to the opened 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. • confirm w...

  • Page 81

    (no refrigerant in the refrigeration cycle) 1. Connect the vacuum pump to the charge set’s centre hose. 2. Turn on the vacuum pump to evacuate the unit. • confirm that the gauge needle has moved toward -76 cmhg (-0.1 mpa). • apply the vacuum for approximately 1 hour (vacuum of 4 mmhg or less). 3. Cl...

  • Page 82

    (after evacuation) 1. Connect the charge hose to the charging cylinder. • connect the charge hose which was 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 use a screwdriver to pre...

  • Page 83: 12 2-Way, 3-Way Valve

    Cu-mc245ke 12 2-way, 3-way valve 2-way valve (liquid side) 3-way valve (gas side) works shaft position shaft position service port shipping close closed closed (with valve cap) (with valve cap) (with cap) evacuation closed closed open (installation and (counter-clockwise) (clockwise) (push-pin) re-i...

  • Page 84

    12.1. Evacuation of installation when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. 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 co...

  • Page 85

    12.2. 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 min...

  • Page 86

    12.3. 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. 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 sur...

  • Page 87

    (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 88

    (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 89

    (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 90: 13 Servicing Information

    • inspection points for the indoor electronic controller 1. The electronic controller, a signal receiver and an indicator () can be seen by the below steps: − remove the 2 caps and 2 screws at the bottom of the front grille. () − remove the front grille by releasing the 2 hooks at the top of the fro...

  • Page 91

    2. Remove the fan motor by:- − release the fan motor leadwire by pressing the hook at the center of the connector. ( − then remove the particular piece that holding the fan motor by pressing the tab. () − remove the discharge grille and then the drain hose. () − finally remove the fan motor by remov...

  • Page 92

    • cross flow fan removal procedure. 1. Remove the control board and the fan motor by referring to the “indoor fan motor removal procedure”. 2. Remove the evaporator screw. () 3. Press the particular piece to loosen the evaporator. () 4. Remove the bearing. () 5. Push up the evaporator and take out t...

  • Page 93

    • 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 back cover of the remote control and you will find a resetting terminal, and by shorting it with ...

  • Page 94: 14 Troubleshooting Guide

    14.1. 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 95

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

  • Page 96: 15 Technical Data

    15 technical data 230v 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 2.80 2.12 1.05 2.61 2.03 1.13 2.43 1.95 1.21 2.21 1.86 1.31 19.0°c 2.82 1.15 19.5°c 3.07 2.22 1.07 2.87 2.13 1.15 1.67 2.05 1.24 2.43 1.95 1.33 22.0°c 3.35 2.30 1.09 3.13 2.21 1...

  • Page 97

    220v 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 3.55 2.69 1.06 3.32 2.58 1.14 3.09 2.48 1.22 2.81 2.36 1.32 19.0°c 3.58 1.16 19.5°c 3.90 2.82 1.08 3.64 2.71 1.16 3.39 2.61 1.25 3.08 2.48 1.34 22.0°c 4.25 2.92 1.10 3.97 2.81 1.19 3.69 2.71 1.27...

  • Page 98

    230v 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 2.80 2.12 1.03 2.61 2.03 1.10 2.43 1.95 1.18 2.21 1.86 1.27 19.0°c 2.82 1.12 19.5°c 3.07 2.22 1.04 2.87 2.13 1.12 2.67 2.05 1.20 2.43 1.95 1.30 22.0°c 3.35 2.30 1.06 3.13 2.21 1.14 2.91 2.14 1.22...

  • Page 99

    230v 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 5.95 4.51 1.70 5.56 4.33 1.83 5.17 4.16 1.96 4.70 3.95 2.11 19.0°c 6.00 1.86 19.5°c 6.53 4.72 1.74 6.11 4.54 1.87 5.68 4.37 2.00 5.17 4.16 2.15 22.0°c 7.12 4.90 1.77 6.65 4.71 1.90 6.19 4.54 2.03...

  • Page 100

    230v 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 3.52 2.67 1.15 3.29 2.56 1.23 3.06 2.46 1.32 2.78 2.34 1.42 19.0°c 3.55 1.25 19.5°c 3.87 2.80 1.17 3.61 2.69 1.26 3.36 2.59 1.34 3.06 2.46 1.45 22.0°c 4.21 2.90 1.19 3.94 2.79 1.28 3.66 2.69 1.37...

  • Page 101

    101 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 102

    102 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 103

    103 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 104: 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. 104 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 105: 17 Replacement Parts List

    (note) • “o” marked parts are recommended to be kept in stock. 17 replacement parts list no. Description & name q’ty cs-mc76ke cs-mc95ke remarks 1 chassy complete 1 cwd50c338 ← 2 particular piece 1 cwd931019 ← 3 fan motor 1 cwa921033 cwa921034 0 4 lead wire - fan motor 1 cwa67c2097 ← 5 cross flow fa...

  • Page 106: 18 Exploded View

    18 exploded view note: the above exploded view is for the purpose of parts disassembly and replacement. 106 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 107: 19 Replacement Parts List

    (note) • “o” marked parts are recommended to be kept in stock. The non-numbered parts are not kept as standard service parts. 19 replacement parts list no. Description & name q’ty cs-mc125ke cs-mc126ke remarks 1 chassy complete 1 cwd50c338 ← 2 particular piece 1 cwd931019 ← 3 fan motor 1 cwa921031 ←...

  • Page 108: 20 Exploded View

    20 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. 108 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 109: 21 Replacement Parts List

    21 replacement parts list (note) • “o” marked parts are recommended to be kept in stock. No. Description & name q’ty cu-mc145ke remarks 1 base ass’y 1 cwd50k573a 2 sound proof cover 1 cwh15066 3 fan motor bracket 1 cwd54168 4 condenser 1 cwb32c142 5 fan motor 1 cwa95354 0 6 propeller fan 1 cwh00022 ...

  • Page 110: 22 Exploded View

    22 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. 110 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 111: 23 Replacement Parts List

    23 replacement parts list (note) no. Description & name q’ty cu-mc185ke remarks 1 base ass’y 1 cwd50k663a 2 air guider for p.F. 1 cwd31094a 3 sound proof cover 1 cwh15071 4 fan motor bracket 1 cwd54179 5 condenser 1 cwb32c317 6 fan motor 1 cwa95269 0 7 propeller fan 1 cwh00023 8 compressor 2 2ps134d...

  • Page 112: 24 Exploded View

    24 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. 112 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 113: 25 Replacement Parts List

    25 replacement parts list (note) • “o” marked parts are recommended to be kept in stock. No. Description & name q’ty cu-3mc205ke remarks 1 base fan ass’y 1 cwd50k663a 2 compressor 1 2ps193d2aa01 0 3 air guider 1 cwd31094a 4 sound proof cover 1 cwh15071 5 fan motor bracket 1 cwd54179 6 condenser 1 cw...

  • Page 114: 26 Exploded View

    26 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. 114 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 115: 27 Replacement Parts List

    27 replacement parts list (note) no. Description & name q’ty cu-mc245ke remarks 1 chassy ass’y (upper) 1 cwd50k625a 2 fan motor bracket 2 cwd54171 3 screw - fan motor bracket 8 cwh4580399 4 fan motor 2 cwa95319 0 5 screw - fan motor mount 6 cwh55027 6 propeller fan 2 cwh00k040 7 nut - propeller fan ...

  • Page 116: 28 Exploded View

    28 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. 116 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 117: 29 Replacement Parts List

    29 replacement parts list (note) • “o” marked parts are recommended to be kept in stock. No. Description & name q’ty cu-mc196ke remarks 1 base ass’y 1 cwd50k662a 2 compressor a 1 2ks224d5ca02 0 3 mount rubber 3 cwh50055 4 nut 3 cwh4582065 5 sound proof material 1 cwg30915 6 compressor b 1 2rs127d3ca...

  • Page 118: 30 Electronic Parts List

    30 electronic parts list note symbol description & name part no. Bz1 sound generator a48040 d1, d4 diode a541sr154-4 db1 diode a54cs1vb20e fuse fuse xba2c20tr0 ic1 integrated circuit a52d0022gb14 ic2 integrated circuit a52br9020f ic3 integrated circuit a52a2003gr2 ic4 integrated circuit a52c040 ic5 ...

  • Page 119

    31 electronic circuit diagram schematic diagram 1/3 r35 330 330 330 330 330 r37 r39 r38 r36 (mx-9) a54lnk3171b a54lnk2172b economy (ph-6) stepping motor drive remote control no. Short open off/on timer sleep powerful 10 7 12 5 11 6 9 g f e cn-stm 1 2 3 4 5 5 4 3 2 1 (mx-5) (zh5) air temp. Sensor (15...

  • Page 120

    Ani2 ani3 ani4 ani5 ani6 an17 avdd avref p20/si1 p21/so1 p22/sck1 p23 p24 nc nc nc p30 p31/t01 p32/t01 p33/ti1 p34/ti2 p35/pcl p36/buz p37 vss p40 p41 p42 p43 p44 p45 p46 p65 p64 p63 p62 p61 p60 p57 p56 vss p55 nc p53 p52 p51 p50 p47 46 41 42 43 44 45 check pin (gnd) 64 63 62 61 60 59 58 57 56 55 54...

  • Page 121

    Sw3 auto ry-h ry-m ry-shi ssr1 78a05 ic4 g i o (nhg) 16v 100 µ c3 – + 5v 12v o i g ic5 c1 3300 µ 35v (nhg) 78n12h + – + – r2 10k c5 0.022 µ q2 2sc2412ktx c e b r4 100k c2 470 µ 25v (nhg) b e c 2sc2412ktx q3 10k r5 r6 12k 6.2k r7 13k r10 0.01 µ c7 zd1 7.5el1 50/60hz 2 1 ac 220-230v (vh-1) (green) yel...

  • Page 122

    122 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 123

    How to use electronic circuit diagram timer table test mode name time (when test point remarks short-circuited) sleep mode waiting 1 hr. 6 sec. Sleep mode operation 8 hrs. 48 sec. 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 6...

  • Page 124

    31.1. Remote control 124 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 125

    31.2. Print pattern indoor unit printed circuit board top view 125 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 126

    31.3. Print pattern indoor unit printed circuit board bottom view 126 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke.

  • Page 127

    127 cs-mc95ke cu-mc145ke / cs-mc95ke cu-mc185ke / cs-mc95ke cu-3mc205ke / cs-mc125ke cu-mc245ke / cs-mc76ke / cs-mc126ke cu-mc196ke [macc] printed in malaysia.