Friedrich MW09C3E Service Manual
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920-149-00 (10-02)
DUAL ZONE
MULTI SPLIT TYPE
DUAL ZONE

AIR CONDITIONER

SPLIT TYPE

WALL MOUNTED

AIR CONDITIONER
Models
Indoor unit
ASU9D
MW09C3E
CONTENTS
SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
OUTLINE AND DIMENSIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
REFRIGERANT SYSTEM DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . 3
CIRCUIT DIAGRAM . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
PRINTED CIRCUIT BOARD LAYOUTS . . . . . . . . . . . . . . . . . . . . . . 7
DISASSEMBLY ILLUSTRATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
PARTS LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
type
s
Outdoor unit
AOU18D
MR18DC3E

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Summary of Contents for Friedrich MW09C3E

  • Page 1: Table Of Contents

    Models Indoor unit Outdoor unit ASU9D MW09C3E AOU18D MR18DC3E CONTENTS SPECIFICATIONS ........1 OUTLINE AND DIMENSIONS .
  • Page 2: Specifications

    S P E C I F I C A T I O N S INDOOR UNIT MW09C3E ASU9D MW09C3E x 2 ASU9D x 2 OUTDOOR UNIT AOU18D MR18DC3E COOLING CAPACITY (BTU/hr) 9,300 - 9,600 18,600 - 18,800 ELECTRICAL DATA POWER SOURCE...
  • Page 3: Outline And Dimensions

    O U T L I N E A N D D I M E N S I O N S Models : ASU9D / AOU18D MW09C3E / MR18DC3E Unit : inch (mm) INDOOR UNIT 32-1/8” (815) 7 (179) OUTDOOR UNIT 33-1/16”...
  • Page 4: Refrigerant System Diagram

    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 : ASU9D x 2 / AOU18D MW09C3E x 2 / MR18DC3E EVAPORATOR EVAPORATOR – –...
  • Page 5: Circuit Diagram

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  • Page 6: Indoor Printed Circuit Board Circuit Diagram

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  • Page 7: Outdoor Printed Circuit Board Circuit Diagram

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  • Page 8: Printed Circuit Board Layouts

    I N D O O R P . C . B O A R D L A Y O U T S CONTROLLER P.C. BOARD ASSEMBLY (MAIN PCB) (Viewed from the solder side) INDICATOR P.C. BOARD ASSEMBLY POWER SUPPLY P.C. BOARD ASSEMBLY (Viewed from the solder side) (Viewed from the solder side) –...
  • Page 9 CONTROLLER P.C. BOARD ASSEMBLY (MAIN PCB) (Viewed from the component side) INDICATOR P.C. BOARD ASSEMBLY POWER SUPPLY P.C. BOARD ASSEMBLY (Viewed from the component side) (Viewed from the component side) – –...
  • Page 10 O U T D O O R P . C . B O A R D L A Y O U T S CONTROLLER P.C. BOARD ASSEMBLY (Viewed from the solder side) (Viewed from the component side) – –...
  • Page 11: Disassembly Illustration

    D I S A S S E M B L Y I L L U S T R A T I O N Model : ASU9D MW09C3E – –...
  • Page 12 – 11 – – –...
  • Page 13 MR18DC3E – –...
  • Page 14 18-2 246-1 18-1 – –...
  • Page 15 32-8 184-1 381-3 381-2 32-7 – –...
  • Page 16 230-1 – –...
  • Page 17: Parts List

    MW09C3E MR18DC3E REF. PART NO. DESCRIPTION MODEL MR18DC3E MW09C3E 67200995 BASE SUB ASSEMBLY 67200401 CAPACITOR 67200441 CONTROLLER PCB ASSY 67200918 CROSS FLOW FAN ASSY 67200913 DRAIN HOSE ASSY 67200915 EVAPORATOR ASSY 67200996 FAN MOTOR ASSY-INDOOR 67200909 FILTER 67200905 FRONT PANNEL ASSY...
  • Page 18: Standard Accessories

    STANDARD ACCESSORIES INDOOR UNIT ACCESSORIES Q'ty Name and Shape Part No. Wall hook bracket 67200930 9306588014 Wall cap-B 313714296205 Remote control unit 9309143012 67200926 (AR-FB2) Battery (penlight) 0600185534 1 set Remote control unit holder 9305642014 67203202 Cloth tape 9308117007 Tapping screw (big) (ø4 x 25) 0700076046 Tapping screw (small)
  • Page 19 FRIEDRICH AIR CONDITIONING CO. Post Office Box 1540 • San Antonio, Texas 78295-1540 4200 N. Pan Am Expressway • San Antonio, Texas 78218-5212 (210) 357-4400 • FAX (210) 357-4480 www.friedrich.com Printed in the U.S.A. 920-149-00 (10-02)

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Mr18dc3e

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