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Friedrich MR18C3E Service Manual

Wall mounted type
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SPLIT TYPE

ROOM AIR CONDITIONER

WALL MOUNTED type

Reciprocating Compressor Models
Indoor unit
MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
MW30C3E
Rotary Compressor Models
Indoor unit
MW18C3E
MW18Y3E
MW24C3E
MW24Y3E
C O N T E N T S
SPECIFICATIONS
OUTLINE AND DIMENSIONS
REFRIGERANT SYSTEM DIAGRAM
CIRCUIT DIAGRAM
INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM
ERROR DISPLAY
DISASSEMBLY ILLUSTRATION
PARTS LIST
Outdoor unit
MR18C3E
MR18Y3E
MR24C3E
MR24Y3E
MR30C3E
Outdoor unit
MR18C3E-A
MR18Y3E-A
MR24C3E-A
MR24Y3E-A
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Summary of Contents for Friedrich MR18C3E

  • Page 1: Room Air Conditioner

    C O N T E N T S SPECIFICATIONS OUTLINE AND DIMENSIONS REFRIGERANT SYSTEM DIAGRAM CIRCUIT DIAGRAM INDOOR PRINTED CIRCUIT BOARD CIRCUIT DIAGRAM ERROR DISPLAY DISASSEMBLY ILLUSTRATION PARTS LIST Outdoor unit MR18C3E MR18Y3E MR24C3E MR24Y3E MR30C3E Outdoor unit MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A...
  • Page 2 (mm) DEPTH inch (mm) WEIGHTS INDOOR UNIT OUTDOOR UNIT GROSS / NET lbs (kg) REFRIGERANT CHARGING PIPE LENGTH MR18C3E FULL MR18Y3E CHARGE MR24C3E AMOUNT MR24Y3E MR30C3E Note : Whenever 7.5 m is exceeded, and/or when using a line set length other than those found in the table, charge with additional refrigerant as follows: 34 g (1.20 oz.) / 3.3 ft.
  • Page 3: Specifications

    (mm) WEIGHTS INDOOR UNIT GROSS / NET lbs (kg) OUTDOOR UNIT REFRIGERANT CHARGING PIPE LENGTH MR18C3E-A FULL MR18Y3E-A CHARGE MR24C3E-A AMOUNT MR24Y3E-A Note : Whenever 7.5 m is exceeded, and/or when using a line set length other than those found in the table, charge with additional refrigerant as follows: 34 g (1.20 oz.) / 3.3 ft.
  • Page 4: A N D D I M E N S I O N S

    O U T L I N E Models : ASU18C1, ASU18R1 Models: MW18C3E, MW18Y3E ASU24C1, ASU24R1 MW24C3E, MW24Y3E ASU30C1 MW30C3E Models: MR18C3E, MR18C3E-A MR18Y3E, MR18Y3E-A Models : AOU18C1, AOU18R1, AOU18R1A MR24C3E, MR24C3E-A AOU24C1, AOU24R1, AOU24R1A MR24Y3E, MR24Y3E-A 2003.06.18 A N D...
  • Page 5 R E F R I G E R A N T S Y S T E M D I A G R A M Models: MW18C3E / MR18C3E Models: MW18Y3E / MR18Y3E 2003.08.27...
  • Page 6 Models: MW24C3E / MR24C3E Models: MW24Y3E / MR24Y3E Models : ASU24R1 / AOU24R1 2003.08.27 - 5 -...
  • Page 7 Model: MW30C3E / MR30C3E 2003.08.27 - 6 -...
  • Page 8 Models : MW18C3E / MR18C3E-A Models : MW18Y3E/ MR18Y3E-A Cooling Heating : Flare coupling 2003.08.27 - 7 -...
  • Page 9 Models : MW24C3E / MR24C3E-A Models : MW24Y3E / MR24Y3E-A Cooling Heating : Flare coupling 2003.08.27 - 8 -...
  • Page 10 Models: MW18C3E / MR18C3E MW24C3E / MR24C3E...
  • Page 11 Models: MW18Y3E / MR18Y3E MW24Y3E / MR24Y3E...
  • Page 12 Models: MW30C3E / MR30C3E...
  • Page 13 Models: MW18C3E / MR18C3E-A MW24C3E / MR24C3E-A...
  • Page 14 Models: MW18Y3E, MR18Y3E-A MW24Y3E, MR24Y3E-A...
  • Page 15 Models: MW18C3E / MR18C3E, MR18C3E-A MW24C3E / MR24C3E, MR24C3E-A...
  • Page 16 Models: MW18Y3E / MR18Y3E, MR18Y3E-A MW24Y3E / MR24Y3E, MR24Y3E-A...
  • Page 17 Models: MW30C3E / MR30C3E...
  • Page 18 LAMP 2003.06.18 E R R O R Test running When the air conditioner is run by pressing the remote control unit test run button, the OPERATION and TIMER lamps flash slowly at the same time. Error The OPERATION and TIMER lamps operate as follows (Table) according to the error contents.
  • Page 19 Models: MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E MW24C3E, MW24Y3E, MW30C3E...
  • Page 20 Models: MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E...
  • Page 21 Models: MW18C3E MW18Y3E MW24C3E MW24Y3E MW30C3E...
  • Page 22 Models: MR18C3E, MR18C3E-A, MR18Y3E, MR18Y3E-A MR24C3E, MR24C3E-A, MR24Y3E, MR24Y3E-A...
  • Page 23 Models: MR18C3E...
  • Page 24 Models: MR18C3E-A...
  • Page 25 Model: MR18Y3E...
  • Page 26 Model: MR18Y3E-A...
  • Page 27 Model: MR24C3E...
  • Page 28 Model: MR24C3E-A...
  • Page 29 Model: MR24Y3E...
  • Page 30 Model: MR24Y3E-A...
  • Page 31 Model: MR30C3E...
  • Page 32 Models: MR30C3E...
  • Page 33 Models: MR30C3E...
  • Page 34 Models: MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A...
  • Page 35 Models: MR18C3E-A MR18Y3E-A MR24C3E-A MR24Y3E-A...
  • Page 36: Parts List

    IND O OR UNI T Ref. Description Capacitor(Fan Motor) Panel(Front) Total Assy Louver Hinge Plate Air Filter Base Casing Assy Drain Hose Assembly Evaporator Assy Fan Motor Assy-IN Main Relay Thermistor Assy-Room Thermistor Assy-Pipe Controller PCB Assy Remote Control Unit Flap(Upper)-G Cross Flow Fan-R Assy Crossflow Fan –...
  • Page 37 OUTDOOR UNITS EQUIPPED WITH RECIPROCATING COMPRESSOR Ref. Description Fan Cover Emblem-Rear ”FRIEDRICH” Cabinet-C, Painted Panel (Top), Painted Metal Cabinet-B, Painted Base Assy. Painted 3-Way Valve Assy. 2-Way Valve Assy. Dryer Condenser Assy. Capillary Tube 19-3 Capillary Tube-C 19-2 Capillary Tube-B...
  • Page 38 OUTDOOR UNITS EQUIPPED WITH ROTARY COMPRESSOR Ref. Description Fan Cover Emblem-Rear ”FRIEDRICH” Cabinet-A Painted Cabinet-C, Painted Electrical Access Panel, Painted Cabinet-B, Painted Base Assy. Painted 3-Way Valve Assy. 2-Way Valve Assy. Dryer Condenser Assy. Capillary Tube-A 19-2 Capillary Tube-B 19-3...
  • Page 39 13m 3 (6,& SSR-1 F101 2003.06.19 P A R T S L I S T MR30C3E Description Fan Cover Emblem-Rear ”FRIEDRICH” Cabinet-C, Painted Panel (Top), Painted Metal Cabinet-B, Painted Base Assy. Painted 3-Way Valve Assy. 2-Way Valve Assy. Dryer Condenser Assy.
  • Page 40 F R I E D R I C H AIR C O ND I TI O N I N G C O. Post Office Box 1540 San Antonio, Texas 78295-1540 (210) 357-4400 (210) 357-4480 Fax www.friedrich.com FRAC0306G2327-9/05...