Friedrich MR18Y3H User Manual

ModelsMW18Y3HIndoor UnitsOutdoor UnitsMW18Y3HMR18Y3H MR24Y3HService and Parts Manual

5V12VR881.0k<1/10W>C570.01<B>I C7-2uLN2003ADRL40R0C510.01<B>K10G5NB-1AL30R0R101330<1/10W>CN14B3B-XH-AMCN16B2B-XH-A2 1542 31342

CN20107 JB20 / PAP1061 L=2305VC2010.1<F>5V+ C20247/10VR20147<1/4W>I C201GP1UM261RKVF5VD201SLR-325MCD203SLR-325MCD202SLR-325DC5461237213VCC

INVERTER ASSEMBLYMR18Y3H : EZ-009SHUEMR24Y3H : EZ-009THUEO U T D O O R PC B CIR C U I T D I A G R A MD100D25XB60+-2314EMI FILTERZCAT2132-11301 TCOMPRE

5V5VR4010k<1/10W>D670DAN217U32 1R411.0k<1/10W>C421000p<B>C6700.1<F>R6741.0k<1/10W>R841.0k<1/10W>5VR854.7k<1/10W

3723222124252627283635343332313813152016187910121346 UPVP1VUFBVUFSVPVP1VVFBVVFSWPVP1VNOVWFBVWFSNCNWNVNUWVUPWNVNUNFOCFOC I NVNCVN1-+756+-13232 1321I PM

12VK101G4A-1AorDW12D1C1083.3<LE>L102N200500K1D7C-02NR101ZPR0RCH400PTC THERMISTOR12VL101RCH3818-022PF07C1063.3<LE>431 2324143L100RCH3818-02

12VK101G4A-1AorDW12D1C1083.3<LE>L102N200500K1D7C-02N12VL101RCH3818-022PF07C1063.3<LE>431 2324143L100RCH3818-022PF071 2C1033.3<LE>C10

W7BYELLOWW8BBLUEW12BWHITEW13BVIOLETPN+++C200 - C202660/450Vx 3POWER_GW7BYELLOWW8BBLUEW12BWHITEW13BVIOLETPN++POWER_GMR24Y3HCAPACITOR PCB ASSEMBLYK05FB-

E R R O R D E T E CT I O NErrorOperationLEDTimer LEDSerial signal error Normal2 flash3 flash4 flash5 flashSerial signal (reverse) error, at operation

18

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

P AR T SINDOOR UNIT43421551Front Panel Total Assy672012822 Front Panel 672017913 Intake Grille Assy 672015014 Air Filter 672015025 Clamper Grille 6720

161824251922202123INDOORUNIT11172627Ref Descriprion Part number24 Diffuser Z 6720156322 Louver Z 6720156623 Diffuser U 6720156225 Spring C 6720156421

34314039383236373533INDOOR UNIT39 Bearing C Assy 6720092231 Evaporator Total Assy 6720128340Room Therimistor Holder6720128032 Water Seal 6720155233 Ev

INDOOR UNIT474951444645504341424841 Controller PCB (18)Controller PCB includes a room thermistor.6720129941 Controller PCB (24) 6720138042 Control Box

OUTDOOR UNITPA RT S563211 Top Panel Sub Assy 672016002 Front Panel Sub Assy 67201939-- Protective Net 67201836-- Drain Assy 67201914-- Drain Cap 67201

OUTDOOR UNIT1514161312111714Motor Bracket Sub Assy6720182016 Propeller Fan Assy 6720160717 Valve Plate 6720149615 Fan Motor 6720184713 Condenser A Ass

OUTDOOR UNIT3026213122232725322928Ref.21 Strainer Assy 6720161122 3-Way Valve Sub Assy 6720183723 3-Way Valve Assy 6720187625 Compressor Sub Assy 6720

OUTDOOR UNIT5253544947444650455143424841Connector : BlueConnector : OrangeConnector : GreenConnector: Red41 PCB Case Assy 6720183242 Inverter Case 672

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

INDOOR UNIT H x W x DH x W x D12-5/8 x 39-1/4 x 9 inch 320 x 998 x 228 mmOUTDOOR UNIT 32-3/4 x 35-3/8 x 13 inch 830 x 900 x 330 mmDIMENSIONSINDOOR UNI

D IM E N S I O NSUnit : inch (mm)Drain pipe diameterInside : 5/8 inch (16 mm)Outside : 1-3/32 inch (28 mm)Liquid pipe diameter : 3/8 inch (9.52 mm)Gas

Unit : inch (mm)OUTDOOR UNIT3"(77)35-1/2" (900)32-3/4" (830)17-3/8" (440)7/8"(21)3/8"(9)15-3/4" (400)13" (330)

R EF R I G E R AN TS YS T E M D IA G R A M3-Way valve(Small)3-Way valve(Large)StrainerStrainerMufflerPressureswitch4-Way valveExpansionvalveHeat excha

REDREDBROWNBROWNBLUEBLUEBLACKBLACKBROWNBROWNBLACKBLACKWHITEYELLOWORANGEBLUEBROWNREDBROWNYELLOWWHITEBLACKREDREDGREENWHITEBLACKWHITEBLACKVIOLETWHITEBLAC

L1L2321GGPOWER SOURCE76543217654321765432154321321321212121321543215432165432165432165432165432154321123456123456CN13CN16CN14CN10CN3CN1CN8CN6CN5CN11CN

CN11-2WHITECN11-1REDCN11-3WHITECN11-4WHITECN11-5 WHITECN11-6WHITECN11-7WHITECN3-2WHITECN3-1REDCN2-2BLACKCN2-1 BLACKCN13-1CN13-5CN13-4CN13-3CN13-2BLACK