- DL manuals
- Panasonic
- Air Conditioner
- CS-MC90KE
- Service Manual
Panasonic CS-MC90KE Service Manual
Service Manual
Multi-Split Air Conditioner
Contents
●
Features .......................................................... 1
●
Functions ................................................... 2 – 4
●
Product Specifications ............................. 5 – 10
●
Dimensions ............................................ 11 – 12
●
Refrigeration Cycle Diagram ......................... 13
●
Block Diagram ....................................... 14 – 16
●
Wiring Diagram ...................................... 17 – 19
●
Operation Details ................................... 20 – 26
●
Installation Information .......................... 27 – 28
●
3-way Valve ........................................... 29 – 35
●
Servicing Information ............................. 36 – 39
●
Troubleshooting Guide .......................... 40 – 41
●
Technical Data ....................................... 42 – 44
●
Exploded View ............................. 45, 47, 49, 51
●
Replacement Parts List ............... 46, 48, 50, 52
●
Electronic Parts List ............................... 53 – 54
CS-MC90KE / CU-MC140KE
CS-MC90KE / CU-MC180KE
CS-MC90KE / CU-3MC200KE
ORDER NO. MAC9702008C2
1997 Matsushita Industrial Corp. Sdn. Bhd.
(11969-T)
All rights reserved. Unauthorized copying and distribu-
tion is a violation of law.
Untitled-22
6/25/00, 5:27 PM
1
Summary of CS-MC90KE
Page 1
Service manual multi-split air conditioner contents ● features .......................................................... 1 ● functions ................................................... 2 – 4 ● product specifications ............................. 5 – 10 ● dimensions ..................................
Page 2: Electronic Parts List
– 55 – mac9702008c2 cs-mc90ke printed in malaysia p970602400yw maico electronic parts list cwa741165 • electronic controller description & name znr zener diode diode zener diode photo isolator diode photo isolator diode diode diode diode diode diode diode diode diode diode znr znr fuse ic ic ic tran...
Page 3: Features
– 1 – mac9702008c2 cs-mc90ke warning this service information is designed for experienced repair technicians only and is not designed for use by the general public. It does not contain warnings or cautions to advise non-technical individuals of potential dangers in attempting to service a product. P...
Page 4: Functions
– 2 – mac9702008c2 cs-mc90ke remote control functions operation off / on off / on i room temperature setting temp. • temperature setting (16˚c to 30˚c) • automatic operation m / n 2˚c lower than standard n standard n - o 2˚c higher than standard operation mode selection • auto automatic operation mo...
Page 5: Functions
– 3 – mac9702008c2 cs-mc90ke indoor unit functions power switch off / on power i auto operation switch • used when the remote control cannot be used. Remote control signal receiving sound control • it can be controlled by pressing auto operation switch for 10 seconds. Auto off / on operation test ru...
Page 6: Functions
– 4 – mac9702008c2 cs-mc90ke outdoor unit functions compressor reverse rotation protection control restart control (3 minutes) • once the compressor stops, the compressor and the outdoor fan motor will not start for 3 minutes. (fan motor is still running if the compressor is stopped by overload prot...
Page 7: Product Specifications
– 5 – mac9702008c2 cs-mc90ke product specifications inner diameter length input running current cop starting current cooling capacity moisture removal power source airflow method air volume noise level electrical data piping connection port (flare piping) pipe size (flare piping) drain hose power co...
Page 8: Product Specifications
– 6 – mac9702008c2 cs-mc90ke product specifications description tube material fin material fin type row / stage fpi size (w × h × l) µ f, vac µ f, vac length flow rate inner diameter material style heat exchanger refrigerant control device refrigeration oil refrigerant (r-22) thermostat protection d...
Page 9: Product Specifications
– 7 – mac9702008c2 cs-mc90ke product specifications inner diameter length input running current cop starting current cooling capacity moisture removal power source airflow method air volume noise level electrical data piping connection port (flare piping) pipe size (flare piping) drain hose power co...
Page 10: Product Specifications
– 8 – mac9702008c2 cs-mc90ke product specifications description tube material fin material fin type row / stage fpi size (w × h × l) µ f, vac µ f, vac length flow rate inner diameter material style heat exchanger refrigerant control device refrigeration oil refrigerant (r-22) thermostat protection d...
Page 11: Product Specifications
– 9 – mac9702008c2 cs-mc90ke cu-3mc200ke top view – – – – 56 - 54 (b unit) 22-21 g ; 3-way valve 3/8" l ; 2-way valve 1/4" g (gas side) ; 3/8" l (liquid side) ; 1/4" – – – – 25-21/32 (651) 35-3/16 (893) 13-19/32 (345) 141 (64) rotary (1 cylinder) rolling piston type induction (2-poles) 650 + 900 pro...
Page 12: Product Specifications
– 10 – mac9702008c2 cs-mc90ke product specifications heat exchanger refrigerant control device refrigeration oil refrigerant (r-22) thermostat protection device capillary tube air filter capacity control compressor capacitor fan motor capacitor unit mm (c.C) g (oz) mm s /min mm cs-mc90ke evaporator ...
Page 13: Dimensions
– 11 – mac9702008c2 cs-mc90ke dimensions cs-mc90ke relative position between the indoor unit and the installation plate (45) (410) installation plate hooks drain ports gas side liquid side remote control transmitter 57 142 16 790 48.5 60 290 175 61 34.5 52 direction air intake air outlet direction l...
Page 14: Dimensions
– 12 – mac9702008c2 cs-mc90ke dimensions cu-mc140ke cu-3mc200ke 113 113 664 893 32 651 44 57 65 65 65 65 65 334 345 113 113 664 893 32 651 44 57 65 65 65 334 345 cu-mc180ke 115 115 530 760 90 540 13 55 65 55 286 23 untitled-24 6/25/00, 5:31 pm 12.
Page 15: Refrigeration Cycle Diagram
– 13 – mac9702008c2 cs-mc90ke refrigeration cycle diagram cs-mc90ke / cu-mc180ke cs-mc90ke / cu-3mc200ke 1 compressor (1) 2 compressor (2) 3 condensor 4 capillary tube (1) 5 capillary tube (2) 6 capillary tube (3) 7 switching solenoid valve 8 3 way valve (1/4") 9 3 way valve (3/8") ! Half union (1/4...
Page 16: Block Diagram
– 14 – mac9702008c2 cs-mc90ke block diagram cs-mc90ke / cu-mc140ke 2 2 1 1 3c "c" fuse 3.15a ry-c receiver p.C.B. Single phase 220-240v ~ 50hz ry-h trans- former thermal fuse (99°c) (102°c) fuse thermal znr1 fan motor power switch electronic controller indicates the electronic control unit. Indicate...
Page 17: Block Diagram
– 15 – mac9702008c2 cs-mc90ke block diagram cs-mc90ke / cu-mc180ke 2 2 1 1 3c "c" fuse 3.15a ry-c receiver p.C.B. Single phase 220-240v ~ 50hz ry-h trans- former thermal fuse (99°c) (102°c) fuse thermal znr1 fan motor power switch electronic controller indicates the electronic control unit. Indicate...
Page 18: Block Diagram
– 16 – mac9702008c2 cs-mc90ke block diagram cs-mc90ke / cu-3mc200ke 2 2 1 1 3c "c" fuse 3.15a ry-c receiver p.C.B. Single phase 220-240v ~ 50hz ry-h trans- former thermal fuse (99°c) (102°c) fuse thermal znr1 fan motor power switch electronic controller indicates the electronic control unit. Indicat...
Page 19: Wiring Diagram
– 17 – mac9702008c2 cs-mc90ke wiring diagram cs-mc90ke / cu-mc140ke remarks: b : blue br : brown bl : black w : white r : red o : orange p : pink y/g : yellow/ green gry : gray connection yellow - blue yellow - brown brown - orange orange - red cwa92232 ( Ω ) 495.2 74.5 77.7 370.4 resistance of indo...
Page 20: Wiring Diagram
– 18 – mac9702008c2 cs-mc90ke wiring diagram cs-mc90ke / cu-mc180ke 1 2 terminal indoor unit a cn-rcv(w) cn-disp(w) main sw 4 3 2 1 2 3 4 motor cn-stm(g) cn-th(y) 1 2 3 4 5 4321 (intake temp.) sensor b b b w w w w y/g b br power supply cord display lamp cn-disp(w) control remote wireless controller ...
Page 21: Wiring Diagram
– 19 – mac9702008c2 cs-mc90ke wiring diagram cs-mc90ke / cu-3mc200ke remarks: b : blue br : brown bl : black w : white r : red o : orange p : pink y/g : yellow/ green gry : gray connection yellow - blue yellow - brown brown - orange orange - red cwa92232 ( Ω ) 495.2 74.5 77.7 370.4 resistance of ind...
Page 22: Operation Details
– 20 – mac9702008c2 cs-mc90ke operation details 1) cooling mode operation cooling in operation according to remote control setting. • when the compressor is stopped by power switch, remote control or there is a power failure, it restarts after 3 minutes when the power switch, remote control is turne...
Page 23: Operation Details
– 21 – mac9702008c2 cs-mc90ke automatic fan speed mode when automatic fan speed is selected at remote control during cooling operation. • fan speed rotates in the range of hi to me. • deodorizing control. Operation details cooling operation time diagram a b c d e f g h i j k l m n o p q r s t u v w ...
Page 24: Operation Details
– 22 – mac9702008c2 cs-mc90ke operation details 2) soft dry mode operation • the unit starts cooling operation until the room temperature reaches the setting temperature set on the remote control, and then soft dry operation will start. • during soft dry operation, the indoor fan will operate and st...
Page 25: Operation Details
– 23 – mac9702008c2 cs-mc90ke operation details soft dry operation time diagram a b c d e f g h i j k l m n o p q r s t u v basic time compressor indoor fan outdoor fan operation led 10’ 1’ 1’ 1’ 6’ 6’ 6’ 6’ 4’ 1’ cooling on cooling off soft dry on soft dry off 1.5°c 1.0°c slo slo slo lo slo slo slo...
Page 26: Operation Details
– 24 – mac9702008c2 cs-mc90ke operation details 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 below the setting temperature. Air c...
Page 27: Operation Details
– 25 – mac9702008c2 cs-mc90ke operation details 5) sleep mode auto operation cooling or soft dry operation 6) auto restart control • if there is a power failure, operation will be automatically restarted when the power is resumed. It will start with previous operation mode and airflow direction. (ti...
Page 28: Operation Details
– 26 – mac9702008c2 cs-mc90ke operation details * the left and right airflow direction louvers can be adjusted manually. Lower limit for cooling mode and soft dry mode lower limit for air circulation mode • when set a airflow direction auto-control with remote control, the louver swings up and down ...
Page 29: Installation Information
– 27 – mac9702008c2 cs-mc90ke no. 1 2 3 4 5 accessories part installation plate installation plate fixing screw remote control battery air purifying filter model mc140k mc180k 3mc200k piping size gas 3/8" 3/8" 3/8" liquid 1/4" 1/4" 1/4" rated length 10 10 10 max. Elevation (m) 5 5 5 max. Piping leng...
Page 30: Installation Information
– 28 – mac9702008c2 cs-mc90ke installation information indoor / outdoor unit installation diagram length of power supply cord piping direction attention not to bend up drain hose about 1.1 m about 1.8 m right rear right bottom left rear left bottom left (front side) right installation parts you must...
Page 31: 3-Way Valve
– 29 – mac9702008c2 cs-mc90ke 3-way valve shaft position closed (with valve cap) closed (clockwise) open (with valve cap) open (counter-clockwise) open (counter-clockwise) open (counter-clockwise) open (counter-clockwise) open (counter-clockwise) service port closed (with cap) open (connected manifo...
Page 32
– 30 – mac9702008c2 cs-mc90ke 1 evacuation of installation when installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedutre. Required tools: hexagonal wrench, adjustable wrench, torque wrench, wrench to hold the joints, gas leak detector, c...
Page 33
– 31 – mac9702008c2 cs-mc90ke 2 pumping down procedure: (1) confirm that both the 3-way valves are set to the open 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 fo...
Page 34
– 32 – mac9702008c2 cs-mc90ke 3 evacuation of re-installation when re-installing an air conditioner, be sure to evacuate the air inside the indoor unit and pipes in the following procedure. If air remains in the indoor unit and refrigeration pipes, it will affect the compressor, reduce to cooling ca...
Page 35
– 33 – mac9702008c2 cs-mc90ke 4 balance refrigerant of the 3-way valves (lack of refrigerant in the refrigeration cycle) open procedure: (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 charg...
Page 36
– 34 – mac9702008c2 cs-mc90ke 5 evacuation (no refrigerant in the refrigeration cycle) procedure: (1) connect the vacuum pump to the charge set’s centre hose. (2) turn on the vaccuum pump to evacuate the unit. ● confirm that the gauge needle has moved toward –76 cmhg (–0.1 mpa). ● apply the vacuum f...
Page 37
– 35 – mac9702008c2 cs-mc90ke 6 gas charging (after evacuation) procedure: (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 ...
Page 38: Servicing Information
– 36 – mac9611041c2 cs-mc90ke servicing information ● inspection points for the indoor electronic control- ler 1. The electronic controller, a signal receiver and an indicator can be seen by removing the front grille and control board cover, as shown in the fig. 1. ● indoor fan motor removal procedu...
Page 39: Servicing Information
– 37 – mac9611041c2 cs-mc90ke servicing information 3. Remove the fan motor loosen the fan motor securing screw at the junction with cross flow fan. (fig. 5) remove the particular piece and the fan motor can be taken off as shown in fig. 6 and 7. 4. To fix the indoor fan motor, ensure that the fan m...
Page 40: Servicing Information
– 38 – mac9611041c2 cs-mc90ke ● cross flow fan removal procedure 1. Remove the indoor fan motor. (refer to the removal procedure of the indoor fan motor.) (fig. 9) 2. Remove the air discharge grille by taking off the screws that hold the air discharge grille and then pull the air discharge grille in...
Page 41: Servicing Information
– 39 – mac9611041c2 cs-mc90ke servicing information ● by adding a jumper wire to the remote control side and a carbon resistor (1/4 w, 10 k Ω ) to the indoor printed circuit board, it is possible to select 4 types of transmission codes including one at time of delivery condition (1). Remote control ...
Page 42: Troubleshooting Guide
– 40 – mac9702008c2 cs-mc90ke refrigeration cycle system in order to diagnose malfunctions, make sure that there are no electrical problems before inspect- ing the refrigeration cycle. Such problems include insufficient insulation, problem with the power source, malfunction of a compressor or a fan....
Page 43: Troubleshooting Guide
– 41 – mac9702008c2 cs-mc90ke 2. Diagnosis methods of a malfunction of a compressor nature of fault insufficient compressing of a compressor locked compressor symptom 1. Relationship between the condition of the air conditioner and pressure and electric current cooling mode condition of the air cond...
Page 44: Technical Data
– 42 – mac9702008c2 cs-mc90ke technical data l l l l l thermostat characteristics cs-mc90ke • cooling 16 16 (°c) thermostat setting (remote control) intake air temperature / comp. Off = set temperature / comp. On 18 28 26 24 22 20 30 18 20 22 24 26 28 30 32 34 (°c) / diff. 1.5°c / / / cooling on / /...
Page 45: Technical Data
– 43 – mac9702008c2 cs-mc90ke l l l l l operation characteristics [conditions]: room temperature: 27/19 ° c cooling operation: at high fan piping length: 5 m at 220v • cs-mc90ke/cu-mc140ke technical data 30 outside air temperature ( ° c) 3 4 2.0 2.2 2.4 2.6 t q l q : cooling capacity (kw) i : curren...
Page 46: Technical Data
– 44 – mac9702008c2 cs-mc90ke technical data ■ operation characteristics [conditions]: room temperature: 27/19 ° c cooling operation: at high fan piping length: 5 m at 220v • cs-mc90ke/cu-3mc200ke 1 unit operation 2 units operation (a + b1 or b2) 30 outside air temperature ( ° c) 3 4 5 2.2 2.6 : uni...
Page 49: Exploded View
– 49 – mac9702008c2 cs-mc90ke exploded view cu-mc180ke 1 " ; / ) ( & $ % 7 8 ? 9 ! ! 9 # - , + % 5 . = : 4 6 2 3 ~ ( ) [ \ @ ] ^ > > _ untitled-1 6/26/00, 7:30 am 49.
Page 51: Replacement Parts List
– 46 – mac9702008c2 cs-mc90ke replacement parts list description & name chassy complete fan motor cross flow fan complete screw – cross flow fan bearing ass’y evaporator tube ass’y complete flare nut (1/4") flare nut (3/8") discharge grille complete motor – air swing tap – drain tray vane control bo...
Page 52: Replacement Parts List
– 48 – mac9702008c2 cs-mc90ke replacement parts list description & name base ass'y sound proof cover fan motor bracket condenser fan motor propeller fan compressor 3-way valve (liquid side) 3-way valve (gas side) coupling bracket capillary tube capillary tube solenoid valve coil – solenoid valve con...
Page 53: Replacement Parts List
– 50 – mac9702008c2 cs-mc90ke (note) ● all parts are supplied from maico, malaysia (vendor code: 061). ● the above parts are kept for seven years in accordance with mei service policy. However, longer lead time will be taken in supplying the non-numbered parts. ● t marked parts are recommended to be...
Page 54: Replacement Parts List
– 52 – mac9702008c2 cs-mc90ke replacement parts list description & name base fan ass'y compressor air guider sound proof cover fan motor bracket condensor fan motor propeller fan compressor 3-way valve (liquid side) 3-way valve (gas side) coupling bracket capillary tube capillary tube solenoid valve...
Page 55: Electronic Parts List
– 53 – mac9702008c2 cs-mc90ke electronic parts list cwa74813 • electronic controller (main) description & name sound generator sh capacitor diode diode fuse integrated circuit integrated circuit integrated circuit integrated circuit integrated circuit v–coil transistor transistor transistor transist...
Page 56: Electronic Parts List
– 54 – mac9702008c2 cs-mc90ke electronic parts list cwa741123, cwa741165 • electronic controller symbol d7 d8 d9 q1 q2 q3, q4, q5 q6, q7 ic1 ic2 ic3 fuse ry-ca ry-cb ry-vai, ry-va2, ry-fm sw1 zd1 znr1 x1 description & name diode diode diode transistor transistor transistor transistor integrated circ...