Friedrich MR18Y3H Service And Parts Manual
Indoor/outdoor units
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Also See for MR18Y3H:
- Operating manual (52 pages) ,
- Service manual (29 pages) ,
- Brochure & specs (29 pages)
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Table of Contents
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Summary of Contents for Friedrich MR18Y3H
- Page 1 Models Indoor Units MW18Y3H Outdoor Units MR18Y3H MW18Y3H MR24Y3H...
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Page 2: Technical Support Contact Information
CUSTOMER SATISFACTION and QUALITY ASSURANCE Friedrich is a conscientious manufacturer, concerned about customer satisfaction, product quality, and controlling warranty costs. As an Authorized Service Provider you play a vital role in these areas. By adhering to the policies and procedures you provide us with vital information on each warranty repair you complete. -
Page 3: Fan Motor
H x W x D WEIGHT Shipping / Net INDOOR UNIT Shipping / Net OUTDOOR UNIT Cool & heat inverter MW18Y3H MR18Y3H 22,000 BTU/h 18,000 BTU/h 5.28 kW 21,600 BTU/h 6.30 kW 27,600 BTU/h 208 V / 230 V 60 Hz 6.3 A... -
Page 4: Indoor Unit
D I M E NS I ONS INDOOR UNIT Unit : inch (mm) 39-1/4" (998) Drain pipe diameter Inside : 5/8 inch (16 mm) Outside : 1-3/32 inch (28 mm) Liquid pipe diameter : 3/8 inch (9.52 mm) Gas pipe diameter : 5/8 inch (15.88 mm) 12-5/8"... -
Page 5: Outdoor Unit
OUTDOOR UNIT Unit : inch (mm) 35-1/2" (900) 3"(77) Air Flow 25-5/8" (650) 1/2" (12) 13" (330) 1-1/4" (31) 15-3/4" (400) 5-3/4" (147) 6-3/4" (170) - Page 6 R E FRIG ERANT S Y STE M DIAGRAM 3-Way valve (Large) Muffler Pressure switch 4-Way valve Cooling flow Heating flow Refrigerant pipe diameter Liquid : 3/8" (9.52 mm) Gas : 5/8" (15.88 mm) Heat exchanger ( INDOOR ) Strainer Expansion valve Heat exchanger...
- Page 7 YELLOW ORANGE BROWN BLACK WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE CN10 MAIN ASSY CONTROLLER CN16 CN14 CN11 BLACK WHITE TM601 BLACK TM600 GRAY WHITE BLACK WHITE WHITE TM305 TM304 TM303...
- Page 8 YELLOW ORANGE BROWN BLACK WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE WHITE CN10 MAIN ASSY CONTROLLER CN16 CN14 CN11 BLACK WHITE TM601 BLACK TM600 GRAY WHITE BLACK WHITE WHITE TM305 TM304 TM303...
- Page 9 I ND OO R PC B CI RC U IT DIAG RAM CONTROL UNIT MW18Y3H : EZ-0090HHSE MW24Y3H : EZ-0090KHSE TERMINAL BOARD OUTDOOR UNIT SERIAL EARTH CN6-1 CN6-2 WHITE WIRED REMOTE CONTROL UNIT CN6-3 BLACK LOUVER ( RIGHT / LEFT ) CN2-1 CN2-2 ORANGE...
- Page 10 <1/10W> 5.6k...
- Page 11 INDOOR UNIT INDICATOR PCB ASSEMBLY K05CY-0902HSE-D0 D201 SLR-325MC GREEN D202 SLR-325DC ORANGE C201 GREEN <F> D203 SLR-325MC I C201 R201 GP1UM261RKVF <1/4W> + C202 CN201 07 JB20 / PAP 1061 L=230...
- Page 12 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 WHITE AWG24 UL1007 AWG24 UL1007 WHITE WHITE AWG24 UL1007 BROWN...
- Page 17 OUTDOOR UNIT MR18Y3H CAPACITOR PCB ASSEMBLY K05FB-0902HUE-P0 WHITE C201 C203 660/ 660/ 450V 450V VIOLET POWER_G MR24Y3H CAPACITOR PCB ASSEMBLY K05FB-0903HUE-P0 WHITE C200 - C202 660/ 450V VIOLET POWER_G YELLOW BLUE YELLOW BLUE...
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Page 18: Error Detection
ERR OR DET ECT I O N Display Error Operation Serial signal error Normal Indoor unit thermistor error 2 flash Outdoor unit thermistor error 3 flash Indoor unit control error 4 flash Outdoor unit control error 5 flash Indoor fan motor error 6 flash Refrigerant cycle error 7 flash... - Page 20 P AR T S INDOOR UNIT Ref Descriprion Part number Front Panel Total Assy 67201282 Front Panel 67201791 Intake Grille Assy 67201501 Air Filter 67201502 Clamper Grille 67200936 Remote 67201294 Remote Holder 67201533...
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Page 21: Indoor Unit
INDOOR UNIT Descriprion Casing Assy Drain Cap Drain Hose Assy Bush B Spacer B R and L Louver Part number Descriprion 67201281 Louver U Louver Z 67201509 Diffuser U 67201560 Diffuser Z 67201561 Spring C 67201507 Piller A 67201506 Joint B Fan Guard Fan Guard Holder Right Fan Guard Holder Left... - Page 22 Ref Descriprion Evaporator Total Assy Water Seal Evaporater Holder R Evaporater Holder L Rear Bracket Filter Guide Filter Guard Crossflow Fan Assy Bearing C Assy Room Therimistor Holder Part number 67201283 67201552 67201515 67201516 67201553 67201554 67201555 67201504 67200922 67201280 INDOOR UNIT...
- Page 23 INDOOR UNIT Ref Descriprion Controller PCB (18) Controller PCB (24) Control Box Control Cover Motor Case Terminal Earth DC Brushless Motor Motor, Step Motor, Step Motor, Step Terminal Indicator PCB Assy Pipe Thermistor Controller PCB includes a room thermistor. Part number 67201299 67201380 67201567...
- Page 24 PA RTS OUTDOOR UNIT Ref. Description Part number Top Panel Sub Assy 67201600 Front Panel Sub Assy 67201939 Service Panel Sub Assy 67201604 Right Panel Sub Assy 67201940 Valve Cover 67201499 Protective Net 67201836 Drain Assy 67201914 Drain Cap 67201707...
- Page 25 OUTDOOR UNIT Ref. Description Base Assy Separate Wall Sub Assy Condenser A Assy Motor Bracket Sub Assy Fan Motor Propeller Fan Assy Valve Plate Part number 67201497 67201938 67201875 67201820 67201847 67201607 67201496...
- Page 26 OUTDOOR UNIT Ref. Description Part number Strainer Assy 67201611 3-Way Valve Sub Assy 67201837 3-Way Valve Assy 67201876 Compressor Sub Assy 67201867 Accumulator 67201618 Accumulator Support Assy 67201483 4-Way Valve 67201629 Solenoid 67201874 Pressure Switch 67201621 Expansion Valve Assy 67201488 Expansion Valve Coil 67201422 Muffler...
- Page 27 OUTDOOR UNIT Connector : Orange Connector : Blue Ref. Description PCB Case Assy Inverter Case ACTPM PTC Thermistor Inverter PCB Assy (18) Inverter PCB Assy (24) Power Supply PCB Assy (18) Power Supply PCB Assy (24, 30) Capacitor PCB Assy (18) Capacitor PCB Assy (24, 30) Transistor PCB Assy (18) Transistor PCB Assy (24, 30)
- Page 29 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.