Friedrich MW09C1H Service Manual
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Friedrich MW09C1H Service Manual

Split type room air conditioner wall mounted type
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See also: Operation & Installation Manual
2 0 11
SPLIT TYPE ROOM AIR CONDITIONER
WALL MOUNTED TYPE
Models
Indoor Unit
Outdoor Unit
MW09C1H
MW12C1H
MR09C1H
MR12C1H

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Summary of Contents for Friedrich MW09C1H

  • Page 1 2 0 11 SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED TYPE Models Indoor Unit MW09C1H MW12C1H Outdoor Unit MR09C1H MR12C1H...

  • Page 2: Table Of Contents

    Table of Contents Model and product code ....................Summary and features ............................................1. Safety Precautions 2. Specifications ........................... 2.1 Unit Specifications......................8-11 ....................... 2.2 Operation Date ....

  • Page 3: Model And Product Code

    Model and product code Model and product code Voltage range Complete unit model Indoor unit model Outdoor unit model 115V ~ 60H M09CIH W09CIH MR09CIH 115V ~ 60H M12CH W12CIH MR12CIH...

  • Page 4: Summary And Features

    Summary and features Summary and features Outdoor Unit MR09CI H MR012CIH Remote control windo w YB1FAF...

  • Page 5: Important Safety Information

    IMPORTANT SAFETY INFORMATION T h e i n f o r m a t i o n c o n t a i n e d i n t h i s m a n u a l i s i nt e n d e d f o r u s e by a q u a l i f i e d s e r v i c e technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to ser vice this product.

  • Page 6: Safety Precautions

    • Do not spray or pour water on the return air grille, discharge air grille, evaporator coil, control panel, and sleeve on the room side of the air conditioning unit while cleaning. • Electrical component malfunction caused by water could result in electric shock or other electrically unsafe conditions when the power is restored and the unit is turned on, even after the exterior is dry.
  • Page 7 PROPERTY DAMAGE HAZARDS FIRE DAMAGE HAZARDS: • Read the Installation/Operation Manual for the air conditioning unit prior to operating. • Use air conditioner on a single dedicated circuit within the specifi ed amperage rating. • Connect to a properly grounded outlet only. •...

  • Page 8: Specifications

    Specifi cations 2 . 1 U n i t S p e c i f i c a t i o n s 0 9 K o f 1 1 5 V M o d e l s I n d o o r M W 0 9 C I Model Outdoor Unit MR09C1H MW09CIH...
  • Page 9 Specifications 12K of 115V Models Outdoor Unit MR12C1H MW12CIH Function COOLING Rated Voltage 208-230V~ Frequency (Inverter different Compressor speed) Total Capacity W / Btu/h 4100/14000 (Inverter different Compressor W / Btu/h 3520/12000 speed) 1320/4500 W / Btu/h Power Input (Inverter different Compressor speed) Rated Input Rated Current...
  • Page 10 Specifications Outdoor Unit MR09C1H Manufacturer/trademark SANYO Model C-6RZ110H1A Type Twin rotory Compressor Power Input(W) Overload Protector Int11l-3979 Electronic Expansion Valve Throttling Method throttling Transducer starting Starting Method Working Temp Range 41 - 115 Coil Aluminum fin-copper tube Heat Exchanger Pipe Diameter .275 Coil Rows-Fin Gap...
  • Page 11 Specifications Outdoor Unit MR12C1H Manufacturer/trademark SANYO Model C-6RZ110H1A Type Twin rotory Compressor Power Input(W) Overload Protector Int11l-3979 Electronic Expansion Valve Throttling Method throttling Transducer starting Starting Method Working Temp Range 41 - 115 Coil Aluminum fin-copper tube Heat Exchanger Pipe Diameter .275 Coil Rows-Fin Gap...

  • Page 12: Operation Date

    Specifications Appending date Table showing operation frequency limits for cooling and heating Outdoor Relative Humidity 40% Outdoor Relative Humidity 72% Indoor Wet Bulb 59°F 59°F Indoor Wet Bulb Temperature( 60.8°F Temperature( 68°F 62.6°F 77°F Compressor Frequency(Hz) Compressor Frequency(Hz) Performance date for both cooling and heating COOLING: Temperature Condition Standard...

  • Page 13: Expanded Capacity Data Tables For Both Cooling And Heating

    Specifications Expanded c apacity data tables for both cooling and heating • Conditions DB80°F/WB67°F Indoor: DB80.06˚F/WB66.92˚F Indoor air flow : TURBO Pipe length : 7.6m Outdoor temp. (˚F) Capacity Variation Ratio According to Pipe Length • Conditions • Conditions Indoor: DB80°F/WB67°F Indoor: DB80°F/WB67°F Outdoor: DB95°F/WB75°F Outdoor: DB95°F/WB75°F...

  • Page 14: Operation Characteristic Curve N

    Specifications Operation C haracteristic Curve 9 btu unit 25.0 • Conditions Indoor: DB80°F/WB67°F 22.5 Outdoor: DB95°F/WB75°F Indoor air flow : TURBO 20.0 Pipe lengt: 7.6m 17.5 15.0 12.5 10.0 115V Compressor speed (rps) 12 btu unit 1 2 K o f 1 1 5 V U n i t s •...

  • Page 15: Noise Criteria Curve Tables For Both Models

    Specifications 2.5 Noise criteria curve tables for both models 09 btu units 0 9 K U n i t s Indoor side noise when blowing Outdoor side noise MiddleH Turbo Indoor fan motor rotating speed Compressor frequency/Hz 12 btu unit 1 2 K U n i t s Indoor side noise when blowing Outdoor side noise...

  • Page 16: Construction Views

    Constrction views 3. Construction Views 3.1 Indoor Unit 5 1/4 6 3/4 Unit:m m 3.2 Outdoor Unit Indoor Unit (mm) Outdoor Unit (mm) System Cabinet Cabinet Additional Dimensions Model Number 0 9 K 7.25 21.25 12.75 11.50 21.25 1 2 K...

  • Page 17: Refrigerant System Diagram

    Refrigerant System Diagram 4. Refrigerant System Diagram Cooling Models GAS SIDE 3-WAY VALVE Muffler Di s charge HEAT EXCHANGE (EVAPORATOR) Suction Accumlator COMPRESSOR HEAT EXCHANGE (CONDENSER) LIQUID SIDE 2-WAY VALVE i a r t r e n i a r t r e n Electric Expansion Valve...

  • Page 18: Schematic Diagram

    Schematic Diagram 5. Schematic Diagram 5.1 Electrical Date Indoor Unit Symbol Color symbol Symbol Color symbol WHITE BROWN YELLOW BLUE BLACK YELLOW GREEN PROTECTIVE EARTH YEGN Outdoor Unit Symbol Parts name Symbol Color symbol REACROR WHITE PCB1~PCB2 PRINTED CIRCUIT BOARD YELLOW S10/S11S40/S70/S80/S90 CONNECTOR...
  • Page 19 Schematic Diagram Outdoor Unit Cooling Models of 115V COMP CT1,2 COMP TUBE OUTROOM EXHUAST W8 YEGN TEM.SENSOR TEM.SENSOR TEM.SENSOR W3YEGN W10 RD W5 BU W6 YE W7 BK OVERHEAT OUTTUBE OUTROOM EXHAUST W15 BU N(1) W4 BK COMU W14 BN FILTER W1 BN W17 RD...

  • Page 20: Printed Circuit Board

    Schematic Diagram 5.3 Printed Circuit Board TOP VIEW Interface of neutral wire Transformer input Interface of PG motor Auto button Feedback from PG motor Up&Down swing Jumper cap Indoor temperature sensor Pipe temperature sensor DISP-1, DISP-2 display interface Protective tube Communication interface BOTTOM VIEW...

  • Page 21: Schematic Diagram

    Schematic Diagram TOP VIEW Terminal of jump wire, live wire and neutral wire, Neutral wire terminal of 4-way valve AC-N4 joint AC-N3, Terminal of jumper External connect high- Live wire terminal of 4-way wire, neutral wire AC-L2 joint capacity positive terminal valve External connect high- AC-L3...

  • Page 22: Function And Control

    Function and Control 6. Function and Control 6.1 Remote Control Operations START / STOP P res s to s tart or s top operation. ON/OFF Press it to start or stop operation : P ress to decrease temperature setting. MODE : P res s to increas e temperature Press it to select operation mode setting.
  • Page 23 Function and Control ON/OFF : Press this button to start the unit operation .Press this button again to stop the unit operation. MODE : Each time you press this button,a mode is selected in a sequence that goes from AUTO, COOL,DRY, FAN,and HEAT * , as the following: HEAT AUTO...
  • Page 24 Function and Control TIMER ON : Press TIMER ON button, "ON" blinks and disappears. Within 5 seconds, every press of + or - button increases or decreases the ON time setting by 1 minutes. Holding down either buton above 2.5 seconds rapidly changes the time setting by 1 minute and then by 10 minutes. Within 5 seconds after setting, press TIMER ON to confirm.
  • Page 25 Function and Control TURBO: Press this button in COOL or HEAT mode turns on/off Turbo function. After TURBO function is set, its icon is displayed. When switching operation mode or changing fan speed, this function will be canceled automatically. at super high fan speed. (This function is not applicable for some models). SLEEP: Press SLEEP button into SLEEP operation.
  • Page 26 Function and Control Replacement of Batteries 1.Remove the battery cover plate from the rear of the remote controller. (As shown in the figure) 2.Take out the old batteries. 3.Insert two new AAA1.5V dry batteries, and pay attention to the polarity. 4.

  • Page 27: Description Of Each Control Operation

    Function and Control 6.2 Description of Each Control Operation 1. Temperature Parameters Indoor preset temperature (T preset Indoor ambient temperature (T amb. 2. Basic Functions Once energized, in no case should the compressor be restarted within less than 3 minutes. In the situation that memory function is available, for the first energization, if the compressor is at stop before de-energization, the compressor will be started without a 3-minute lag;...
  • Page 28 Function and Control Protection Protection is the same as that under the cooling mode. (3) Heating Mode Working conditions and process of heating If T .≤T +36°F, the unit enters heating mode, in which case the four-way valve, the compressor and the outdoor fan preset will operate simultaneously, and the indoor fan will run at preset speed in the condition of preset cold air prevention.
  • Page 29 Function and Control a. Under AUTO mode, if T .≥T is detected, the unit will select to run under cooling mode, in which case implicit preset preset temperature is 77°F; if T .≤T 28°F, the compressor will stop, the outdoor fan will stop with a time lag of 1 preset minute, and the indoor fan will run at preset speed;...
  • Page 30 Function and Control Designation of sensors Faults The sensor is detected to be open-circuited or short-circuited for successive 30 Indoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30 Indoor tube temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30 Outdoor ambient temperature seconds The sensor is detected to be open-circuited or short-circuited for successive 30...
  • Page 31 Function and Control Heating angle Cooling angle (10) Display Operation pattern and mode pattern display All the display patterns will display for a time when the unit is power d e on, the operation indication icon will display in red under standby status.

  • Page 32: Frequency Control

    Function and Control 6.3 Detection of temperature sensor malfunction Detect malfunctions of temperature sensor any time. In defrosting period, the temperature sensor malfunction will not be detected. 5 min after finishing defrosting, the system begins to detect the temperature sensor malfunction. In other times, the temperature sensor malfunction will be detected. 1.

  • Page 33: Discharge Pipe Control

    Function and Control 6.7 Discharge Pipe Control Outline The discharge pipe temperature is used as the compressor’s internal temperature. If the discharge pipe temperature rises above a certain level, the operating frequency upper limit is set to keep this temperature from going up further. Detail Divide the Zone Stop zone...
  • Page 34 Function and Control During cooling operation, the signals being sent from the indoor unit allow the operating frequency limitation and then prevent freezing of the indoor heat exchanger. (The signal from the indoor unit must be divided into the zones as the followings.) Detail Conditions for Start Controlling Judge the controlling start with the indoor heat exchanger temperature after 2 sec from operation start.

  • Page 35: Fan Control

    Function and Control PI control Frequency 60sec. 50sec. 600sec. 50sec. Compressor Four way valve 5sec. 5sec. 450pps 350pps 450pps Electronic expansion valve opening Initial opening 6.12 Fan Control Outline Fan control is carried out according to the following priority. 1. Fan ON control for electric component cooling fan 2.

  • Page 36: Installation Manual

    Installation Manual 7. Installation Manual 7.1 Notices for installation Important Notices The unit installation work must be done by qualified personnel according to the local rules and this manual. Before installating, please contact with local authorized maintenance center, if unit is not installed by the authorized maintenance center, the malfunction may not solved, due to discommodious contacts.

  • Page 37: Ground Requirements

    Installation Manual Outdoor Unit Installation Position Selection Select a location from which noise and outflow air emitted by unit will not inconvenience neighbors, animals, plants. Select a location where there should be sufficient ventilation. Select a location where there should be no obstructions cover the inlet and outlet vent . The location should be able to withstand the full weight and vibration of the outdoor unit and permit safe installation.

  • Page 38: Installation Dimension Diagram

    Installation Manual 7.2 Installation dimension diagram Space to the ceiling 6 in. side above Space to the wall 6 in. to side 6 in. to side Space to the wall 6 ft. from bottom Air outlet side Space to the floor The dimensions of the space necessary for correct installation of the appliance including the minimum permissible distances to adjacent structures...
  • Page 39 Installation Manual 7 . 3 I n s t a l l i n g I n d o o r U n i t Installing Mounting Plate 1.Make the mounting plate completely level . As the water tray's oulet of the indoor unit is two-way type, the indoor unit during installation should slightly slant to watert tray's outlet for smooth drainage of condensing water.

  • Page 40: Installing Indoor Unit

    Installation Manual NOTE: All interconnecting wiring between indoor and outdoor unit must be performed by a a licenced electrical contractor The electric wiring must be correctly connected.Improper connection may cause spare parts malfunction. Tighten the terminal screws adequately to prevent loosening. After tightening the screws, slightly pull the wire and confirm whether it is firm or not.

  • Page 41: Installing Outdoor Unit

    Installation Manual 7.4 Installing Outdoor Unit Electric wiring Disassemble the cable cross plate sub-assy on the outdoor unit right side plate. Take off wire clamp. Connect and fix power connect Cable Cross Plate sub-assy cord (for cooling and heating unit,connect and fix power connect cord and signal control wire)to terminal of line bank.

  • Page 42: Check After Installation

    Installation Manual 7.5 Check after Installation and Operation Test Check after Installation Items to be checked Possible malfunction Has it been fixed firmly? The unit may drop, shake or emit noise. It may cause insufficient cooling(heating) Have you done the refrigerant leakage test? capacity It may cause condensation and dripping.
  • Page 43 Installation Manual 7.6 Installation and Maintenance of Healthy Filter(Optional) Installation of Healthy Filter Lift up the front panel from the two ends of it, as the arrow direction shown. Then (as shown Fig.a) pull the air filter out. Fig. a Fig.

  • Page 44: Troubleshooting

    Troubleshooting 9. Troubleshooting 9.1 Precautions before Performing Inspection or Repair Be cautious during installation and maintenance. Do operation following the regulations to avoid electric shock and casualty or even death due to drop from high altitude. * Static maintenance is the maintenance during de-energization of the air conditioner. For static maintenance, make sure that the unit is de-energized and the plug is disconnected.
  • Page 45 Troubleshooting The breaker trips at once when it is set to Measure insulation resistance to grou "ON". nd to see if there is any leakage. Trip of breaker or blow of fuse The circuit or the part of the air conditioner has malfunction.
  • Page 46 Troubleshooting Improper set of temperature Adjust set temperature If cooling (heating) load is Check the forecasted load of cooling (heating) proper heck and fill the leakage, then The refrigerant has leakage or is vacuumize it and supplement the re- insufficient frigerant as required Leakage between the high pres- Replace the compressor...
  • Page 47 Troubleshooting The indoor fan motor is burned or bre- Replace the fan motor or the defective part. aks or has the heat protector malfun- ction. The built-in heat protector of the motor Replace the fan motor breaks frequently because the motor is The fan does not abnormal.
  • Page 48 Troubleshooting C o n t r o l l e r m a l f u n c t i o n ( I C 2 0 - 0 3 b r o k e n , creepage of parallel Change controller capacitor of relay loop,relay is bro- ken etc.)
  • Page 49 Troubleshooting If malfunction occurs,corresponding code will display and the unit will resume normal until protection or malfunction disappears. Yellow indicator blinks for once Compressor stars (normal) Defrosting (normal display of indoor unit) Yellow indicator blinks for twice Anti-freezing protection (normal Yellow indicator blinks for 3 times display of indoor unit) IPM protection...
  • Page 50 Troubleshooting Name of running status Yellow light Red light Green light Indoor unit display Compressor start Blink once Defrosting Blink twice Anti-freezing protection Blink three times IPM protection Blink four times Overcurrent protection Blink five times Overload protection Blink six times Air exhaust protection Blink seven times Overload protection...
  • Page 51 Troubleshooting Analysis or processing of some of the malfunction display: 1. Compressor discharge protection Possible reasons: shortage of refrigerant; blockage of air filter; poor ventilation or air flow short pass for condenser; the system has noncondensing gas (such as air, water etc.); blockage of capillary assy (including filter); leakage inside four-way valve causes incorrect operation;...

  • Page 52: How To Check Simply The Main Part

    Troubleshooting 9.4 How to Check simply the main part Main Check Points: Units of 115V: Use AC voltmeter to check wether the voltage between terminal L and N on the wiring board is 115V AC Units of 115V: Whether the reactor ( L) is correctly connected? Whether the connection is loose or fallen? Whether the reactor (L) is damaged ? Fault diagnosis process: Switch on the unit...
  • Page 53 Troubleshooting Mainly detect: Whether the connection between control panel AP1 and compressor COMP is secure? Whether loose? Whether the connection is in correct order? Whether the voltage input of the machine is within normal range? (Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT) Whether the compressor coil resistance is normal? Whether the insulation of compressor coil against the copper tube is in good condition?
  • Page 54 Troubleshooting Fault diagnosis process: Energize and switch on Use AC voltmeter If the voltage Check the supply to measure the IPM protection between terminal L voltage and voltage between occurs after the and N on wiring terminal L and N machine has run for restore it to board XT is within...
  • Page 56 Troubleshooting Mainly detect: Is outdoor ambient temperature in normal range? Are the outdoor and indoor fans operating normally? Is the heat dissipation environment inside and outside the unit is good? Overheat and high temperature protection Normal protection, please operate it after the Is outdoor ambient temperature higher than 53? outdoor ambient temperature is normalized.
  • Page 57 Troubleshooting Mainly detect: Whether the compressor wiring is connected correct? Is time for compressor stopping enough? Is compressor broken? Power on the unit Is stop time of the compressor Restart it up after 3 minutes longer than 3 minutes? Does startup fail? Connect the wires as per the Are the wires for the compressor connected connection diagram...
  • Page 58 Troubleshooting Mainly detect: Whether the unit voltage is too high? Whether the work voltage is too low? Out of step occurs in Out of step occurs once the operation unit is powered on. Is stop time of the Check if the fan terminal Replace the fan Is the outdoor fan working compressor longer than...
  • Page 59 Troubleshooting Mainly detect: Whether the electronic expansion valve is connected well or not? Is electronic expansion valve damaged? Is refrigerant leaked? 20 minutes after the complete unit is powered off Is the terminal FA for the Connect the electronic expansion valve wires correctly connected correctly? Resistances between the first four pins...
  • Page 60 Troubleshooting Mainly detect: Check if the reactor (L) of the outdoor unit and the PFC capacitor are broken The failure diagnosis process is as follows: Start Check wiring of the reactor (L) of the outdoor unit and the PFC capacitor Replace it as per the Whether there is any wiring diagram and...
  • Page 61 Troubleshooting Mainly detect: Detect the indoor and outdoor units connection wire and indoor and outdoor units inside wiring is connect well or not, if is there any damage? Is there any damage for the indoor unit mainboard communication circuit? Is communication circuit damaged? The flow chart for malfunction detect: Start Did the equipment operate...
  • Page 62 Troubleshooting Start Measure voltage at the Test 10 position as shown in the diagram with a voltmeter Value jumping Measure voltage at the Test 15 position as shown in the diagram with a voltmeter Value jumping Fault with outdoor unit Measure voltage at the Test 11 position as shown in the diagram...
  • Page 63 Troubleshooting (9) Flow chart for outdoor communitcation circuit detecting:...
  • Page 64 Troubleshooting Troubleshooting Guide Appendix 1: form for indoor/outdoor unit's ambient sensor numerical value of resistance Temp. Resistance Temp. Resistance Temp. Resistance Resistance Temp. (°F) (°F) (°F) (°F)
  • Page 65 Troubleshooting Troubleshooting Guide Appendix 2: form for indoor/outdoor unit's tube temperature sensor numerical value of resistance Temp. Resistance Temp. Resistance Temp. Resistance Temp. Resistance (°F) (°F) (°F) (°F)
  • Page 66 Troubleshooting Troubleshooting Guide Appendix 3: form for indoor/outdoor unit's air exhaust temperature sensor numerical value of resistance Temp. Resistance Temp. Resistance Temp. Resistance Temp. Resistance (°F) (°F) (°F) (°F)
  • Page 67 Troubleshooting 9.5 2-way, 3-way Valve Appearance 2-way Valve (Liquid Side) 3-way Valve (Gas Side) Valve cap Hexagonal wrench (4mm) Open position Flare nut Flare nut Closed position Open position Closed position piping piping Service Service connection connection port cap port To outdoor unit To outdoor unit Works...
  • Page 68 Troubleshooting Liquid side Indoor unit Clsed Outdoor unit 2-way valve Gas side Clsed 3-way valve Vacuum pump OPEN CLOSE * Procedure CAUTION: (1)Connect the charge hose from the manifold valve to the ser- If gas leakage are discovered in step 5 above, take the vice port of the gas side packed valve.
  • Page 69 Troubleshooting Liquid side Indoor unit Open Outdoor unit 2-Way valve Gas side Closed 3-Way valve CLOSE CLOSE Purge the air • Procedure (7) Immediately set the 3-way valve to the closed position. (1) Confirm that both the 2-way and 3-way valves are set to –...
  • Page 70 Troubleshooting Liquid side Indoor unit Closed Outdoor unit 3-Way valve Gas side Closed 3-Way valve Gas cylinder R410A OPEN CLOSE • Procedure (1) Confirm that both the liquid side valve and the gas side (6) Disconnect the charge set and the gas cylinder, and set valve are set to the closed position.
  • Page 71 Troubleshooting Balance Refrigerant of the 3-way Valve (Gas leakage) Liquid side Indoor unit Outdoor unit 3-Way valve Open Gas side 3-Way valve Open OPEN CLOSE • Procedure (1) Confirm that both the 2-way and 3-way valves (3) Open the valve (Lo side) on the charge set and are set to the back seat.
  • Page 72 Troubleshooting Evacuation (All amount of refrigerant leaked) Liquid side Indoor unit Outdoor unit 3-Way valve Open Gas side 3-Way valve Open Vacuum pump OPEN CLOSE • Procedure (1) Connect the vacuum pump to the center hose (3) Close the valve (Lo side) on the charge set, of charge set center hose turn off the vacuum pump, and confirm that the gauge needle does not move (approxima-...

  • Page 73: Gas Charging

    Troubleshooting Gas Charging (After Evacuation) Liquid side Indoor unit Open Outdoor unit 3-Way valve Gas side Open 3-Way valve Check valve Charging cylinder OPEN CLOSE • Procedure This is different from previous procedures. (1) Connect the charge hose to the charging Because you are charging with liquid refrigerant cylinder.

  • Page 74: Removal Procedure

    Removal Procedure 10. Removal Procedure 10.1 Removal Procedure of Indoor Unit Warning Be sure to wait 10 minutes or more after turning off all power supplies before disassembling work. Image shown here is indicative only. Actual product you receive may differ. front panel 1.
  • Page 75 Removal Procedure temp. sensor clasps 4. Remove front case Unscrew the 6 tapping screws fixng the front panel and turn the front case backward to remove it. screws clasps 5. Remove electric box screw Unscrew the 2 screws fixing the electric box Pull out the wiring terminal of motor and then un- screw the 3 screws fixing electric box.Lift the ele- ctric box to remove it.
  • Page 76 Removal Procedure screws 7. Remove motor and cross flow fan Unscrew the screws fixing the motor press plate of motor and then the screws connecting the mo- tor and cross flow fan to separate and remove them. screws screw...
  • Page 77 Removal Procedure 10.2 Removal Procedure of Outdoor Unit Cable Cross Plate sub-assy 1. Remove top cover and the Cable Cross Plate sub- assy Unscrew the screw on the handle and pull the top cover Cable Cross Plate sub-assy forcibly downwards to re- move it.
  • Page 78 Removal Procedure 4. Remove electric box cover Unscrew the 2 screws fixing the electiric box. Pull theelectric box upwards and unplug the plug-in line to remove the electric box. screws 5. Remove axial flow fan Unscrew the nut and remove the washer fixing the axial flow fan and then pull it out.
  • Page 79 Removal Procedure 7. Remove electronic expannsion valve Unsolder the weld spots of eletronic expansion valve connecting with other pipelines to remove it. electronic expannsion valve 8. Remove gas valve and liquid valve Unscrew the 2 screws fixing the gas valve and liquid valve unsolder the weld spots of gas valve and suction pipe to remove the gas valve.
  • Page 80 SPLIT TYPE ROOM AIR CONDITIONER - WALL MOUNTED SYSTEM COMPONENTS MW09C1H / MW12C1H Exploded Diagram...
  • Page 81 MW09C1H Parts List Part Description 69700100 Filter Sub-Assy 69700101 Front Case Sub-Assy 69700102 Front Case 69700103 Evaporator Assy 69700104 Evaporator Support 69700105 Guide Louver 69700106 Axile Bush (guide louver) 69700107 Rear Grill 69700108 Helicoid tongue 69700109 Air Louver 2 69700110 Air Louver 1...
  • Page 82 MW12C1H Parts List Part Description 69700100 Filter Sub-Assy 69700141 Front Case Sub-Assy 69700142 Front Case 69700103 Evaporator Assy 69700104 Evaporator Support 69700105 Guide Louver 69700106 Axile Bush (guide louver) 69700108 Helicoid tongue 69700109 Air Louver 2 69700110 Air Louver 1 69700111 Left Axile Bush 69700112 Bearing cushion rubber base 69700113 O-Gasket sub-assy of Bearing...
  • Page 83 SPLIT TYPE ROOM AIR CONDITIONER - WALL MOUNTED SYSTEM COMPONENTS MR09C1H Exploded Diagram...
  • Page 84 MR09C1H Parts List Part Description 69700000 Mesh Enclosure 69700001 Cabinet 69700002 Axial-flow Fan 69700003 Motor FW30G-ZL 69700004 Reactor Support Assy 69700005 Choke Plug 69700006 Compressor Gasket 69700007 Compressor C-6RZ110H1A 69700008 Electric Expansion Valve Sub-Assy 69700009 Cut-off Valve (1/4) 69700010 Cut-off Valve (3/8) 69700011 Valve Support 69700012...
  • Page 85 SPLIT TYPE ROOM AIR CONDITIONER - WALL MOUNTED SYSTEM COMPONENTS MR12C1H Exploded View...
  • Page 86 MR12C1H Parts List Part Description 69700000 Mesh Enclosure 69700031 Front Panel 69700002 Axial-flow Fan 69700003 Motor FW30G-ZL 69700017 Tube Sensor (20K black) 69700016 Temperature Sensor for Discharge Gas 69700021 Sensor 69700032 Motor suport spot welding sub-assy 69700033 Condenser Assy 69700019 Inhalation Tube 69700025 Top Cover Plate 69700034 Rear Grill 69700035 Discharge Tube...
  • Page 88 FRIEDRICH AIR CONDITIONING CO. 10001 Reunion Place, Ste. 500, San Antonio, TX 78216 (210) 546-0500 877-599-5665 x 261 FAX (210) 546-0630 Email: tac@friedrich.com www.friedrich.com Printed in the U.S.A.

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