Friedrich MR24C3G Service Manual
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Friedrich MR24C3G Service Manual

Wall wounted type
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See also: Service & Parts Manual , Operating Manual
SPLIT TYPE
ROOM AIR CONDITIONER
WALL WOUNTED TYPE
MW24C3G
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . .
DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . .
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . .
ERROR DETECTION . . . . . . . . . . . . . . . .
PARTS (indoor unit) . . . . . . . . . . . . . . . . .
PARTS (outdoor unit) . . . . . . . . . . . . . . . .
ACCESSORIES . . . . . . . . . . . . . . . . . . . .
MR24C3G
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Summary of Contents for Friedrich MR24C3G

  • Page 1: Table Of Contents

    Indoor unit Outdoor unit MW24C3G MR24C3G CONTENTS SPECIFICATIONS ....DIMENSIONS ..... . .

  • Page 2: Specifications

    NOISE LEVEL High Medium INDOOR UNIT Quiet OUTDOOR UNIT 2010.11.02 COMPRESSOR AND REFRIGERANT MW24C3G TYPE MR24C3G DISCRIMINATION 24,000 BTU, 7.03 kW WEIGHT (with oil) 208 / 230 V REFRIGERANT TYPE 60 Hz PRECHARGED REFRIGERANT 10.5 A 2.4 kW 10.0 BTU/hW, 2.93 kW/kW FULL CHARGE 6.3 Pt/h, 3.0 L/hr...

  • Page 3: Dimensions

    DIMENSIONS Unit : inch (mm) INDOOR UNIT Drain hose length : 26-3/8 inch (670 mm) OUTDOOR UNIT 11-13/32 (290) 2010.11.02 39-1/4 (998) 31-3/32 (790) 21-1/4 (540) 9 (228)

  • Page 4: Refrigerant System Diagram

    REFRIGERANT SYSTEM DIAGRAM 3-way valve Muffler Sub-accumulator Compressor Refrigerant direction Refrigerant pipe diameter Liquid : 1/4" (6.35 mm) Gas : 5/8" (15.88 mm) Heat exchanger (Indoor unit) Expansion valve Heat exchanger (Outdoor unit) 2-way valve Strainer...

  • Page 5: Circuit Diagram

    INDOOR UNIT TEST CN13 BLUE EX OUT ( OPTION ) YELLOW WHITE BLACK EX IN ( OPTION ) PIPE THERMISTOR BLUE PINK BLACK BLACK YELLOW ORANGE WHITE BLACK BLACK BLUE PINK ROOM THERMISTOR YELLOW ORANGE WIRED REMOTE ( OPTION ) CN201 WHITE BLUE...

  • Page 6: Indoor Pcb Circuit Diagram

    INDOOR PCB CIRCUIT DIAGRAM OUTDOOR UNIT TERMINAL BOARD SERIAL EARTH CN6-1 WIRED REMOTE CONTROL CN6-2 WHITE ( OPTION ) CN6-3 BLACK CN2-1 CN2-2 ORANGE CN2-3 YELLOW LOUVER CN2-4 PINK ( LEFT / RIGHT ) CN2-5 BLUE CN5-1 CN5-2 ORANGE LOUVER CN5-3 YELLOW CN5-4...
  • Page 7 I C26-14 I C26-10 3.15A 250V SS21V K1-4 0.01 <F> 470V 0.47 <TNR> <LE> 0.01 <F> I C2 TA4805AS(Q) C20, C21, C5, C7 0.1 <F> x 4 T1-12 330/ 330/ <F> <F> 1.0k THERMISTOR ( ROOM TEMP. ) <F> <1/10W> <1/10W>...

  • Page 8: Indoor Unit

    INDOOR UNIT INDICATOR PCB ASSEMBLY K05CY-0500HSE-D0 D201 SLR-325VC D202 SLR-325MC GREEN C201 <F> D203 SLR-325DC ORANGE I C201 R201 GP1UM261RKVF <1/4W> + C202 CN201 07 JB20 / PAP 1061 L=230...

  • Page 9: Outdoor Pcb Circuit Diagram

    OUTDOOR PCB CIRCUIT DIAGRAM INVERTER ASSEMBLY EZ-0101WUE I NDOOR UNIT F202 W103 5A - 250V UL1015 AWG20 BLACK W100 UL1015 AWG20 SERIAL WHITE W102 UL1015 AWG20 BLACK POWER SOURCE W101 AC208 - 230V UL1015 60Hz F201 AWG14 BLACK 20A - 250V TERMINAL EMI FILTER ZCAT2132-1130...
  • Page 10 POWER SOURCE AC208 - 230V 60Hz RHC4716-070PF07 BLACK 0.01 470V <KH> <TNR> <LE> 470V 0.01 <TNR> <KH> WHITE RA-302M EARTH GREEN H Y I C 1 H U 2 0 0 1 R 3 SERIAL SO / I C80-2P OUTDOOR UNIT CONTROLLER PCB ASSEMBLY K06AX-1005WUE-C1 DC-F...

  • Page 11: Error Detection

    ERROR DETECTION Error Serial signal error Indoor unit thermistor error Outdoor unit thermistor error Indoor unit control error Outdoor unit control error Indoor fan motor error Refrigerant cycle error Optional function error Model information error 2010.11.02 Display Error Operation Timer LED 2 flash Serial signal (reverse) error, at operation start up 3 flash...
  • Page 12 OUTDOOR UNIT 5.0 second on / 5.0 second off 5.0 second on / 0.1 second off 2.0 second on / 2.0 second off 0.5 second on / 0.5 second off 0.1 second on / 2.0 second off 0.1 second on / 0.1 second off 2010.11.02 ERROR Discharge temperature abnormal...

  • Page 13: Parts (Indoor Unit)

    PARTS INDOOR UNIT 2010.10.14 Descriprion Front Panel Total Assy Front Panel Intake Grille Assy Air Filter Clamper Grille Receiver Window Room Thermistor Holder Remote Control Remote Control Holder Part number 9315335081 9314991028 9315336064 9315014016 9306755010 9315010018 9315252012 9315027160 9305642045...

  • Page 14: Fan Guard

    INDOOR UNIT 2010.10.14 Descriprion Casing Assy Casing Cover B Casing Cover L Casing Cover R Casing Cover F Drain Cap Drain Hose Assy R and L Louver Louver U Louver Z Diffuser U Diffuser Z Spring C Fan Guard Fan Guard Holder R Fan Guard Holder L Part number 9315331045...
  • Page 15 Descriprion Evaporator Total Assy Connection Pipe Assy Water Seal Evaporater Holder R Evaporater Holder L Rear Bracket Filter Guide Filter Guard Crossflow Fan Assy Bearing C Assy 2010.10.14 Part number 9315338112 9315355058 9315251015 9314994012 9314995019 9315022011 9315013019 9315411013 9315024015 9306628017 INDOOR UNIT...
  • Page 16 INDOOR UNIT Descriprion Controller PCB Assy Control Box Control Cover Motor Case Terminal Earth DC Brushless Motor Motor, Step Motor, Step Motor, Step Terminal Indicator PCB Assy Pipe Thermistor 2010.10.14 Part number 9708065205 9314996023 9314997020 9314998027 9315028013 9602784004 9900384029 9900384036 9900139063 9900447014 9707210019...

  • Page 17: Outdoor Unit

    PARTS OUTDOOR UNIT 2010.11.02 Ref. Description Part number 1 Front Panel Assy 9318463026 2 Emblem 9318479003 Cabinet Left Assy 9318461008 4 Top Panel Assy 9318464030 5 Protective Net 9331640008 Switch Cover 9317692021 7 Cabinet Right Assy 9316044050 8 Valve Bracket 9331649001 9 Propeller Fan 9313808013...
  • Page 18 OUTDOOR UNIT Description 2-way Valve Assy 3-way Valve Assy Compressor Assy Pulse Motor Valve Assy Expansion Valve Coil Discharge Pipe Assy Suction Pipe Assy Parts number 9314554018 9331674003 9315297044 9331647007 9900057039 9331643009 9331642002...
  • Page 19 Description Parts number Case Cover 9309913011 PCB Assy 9707427455 PCB Holder 9313074029 Inverter Case Assy 9315690029 Inverter Case Cover 9314507038 Terminal Bracket 9317691017 Terminal 9703874055 Bracket Conduit 9313938017 Terminal Cover Assy 9317898010 Discharge Thermistor 9900038045 Heat Exchanger Thermistor 9900403010 Outdoor Thermistor 9900210038 OUTDOOR UNIT...

  • Page 20: Accessories

    2010.11.02 ACCESSORIES Name and Shape Wall hook bracket Remote control Remote control holder Battery (penlight) Cloth tape Tapping screw (big) Tapping screw (small) Part number 9315023018 9315027160 9305642045 0600185541 9310519004 0700076046 0700019036...
  • Page 21 1010G3839...

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