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Friedrich racservmn Wiring Diagram, Schematic, Models, WS09A30E-B, WS12A30E-A, WS15A30-A

Models: racservmn

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MODELS

WS07A10E-B, WS07A10E-C, WS10A10-A, WS12A10E-A,

WS09A30E-B, WS12A30E-A, WS15A30-A

COMPRESSOR

	C
S	R

OVERLOAD

BLUE	RED	BLACK	PROTECTOR
			PROTECTOR
			COMPRESSOR


			WIRE HARNESS

WIRING DIAGRAM

BLUE

SYSTEM SWITCH

		C	PURPLE
		2	PURPLE
	MS	2
	MS
L	M	L1	H

CAPACITOR

REDc

FA
N	HERM
	HERM

BLUE

BLACK

WHITE (OR YELL0W)

BROWN

RED

2 1

THERMOSTAT

BLACK

PURPLE

RED

FAN

MOTOR

PURPLE

BLACK

RIBBED CONDUCTORSMOOTH CONDUCTOR

GREEN

SUPPLY CORD

TO GROUNDING SCREW

SCHEMATIC

IDT

2 1

OVLD

NEUTRAL

(115 V)

L2 (208/230 V)

CCOMPR

HIGH

HERM C

CAP

OVLD

MEDIUM	MTR

SYS SW

LOW

FAN C

CAP

SWITCH LOGIC	X = CLOSED
SWITCH LOGIC	0 = OPEN
	0 = OPEN

SWITCH POSITION		CIRCUIT

	1	2	3	4	5
OFF	O	O	O	O	O
LOW COOL	X	O	O	O	X
MED COOL	X	O	O	X	O
HI COOL	X	O	X	O	O
FAN ONLY	O	X	O	O	O

	L E G E N D
CAP	- CAPACITOR
COMPR	- COMPRESSOR	- GROUND LEAD
MTR	- FAN MOTOR	- COMBINATION TERMINAL
OVLD	- OVERLOAD PROTECTOR	- PLASTIC INSULATOR
SYS SW	- SYSTEM SWITCH
IDT	- INDOOR THERMOSTAT
IDT	- INDOOR THERMOSTAT		PART NO.	REV.
			617-581-14	00

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Friedrich racservmn service manual Wiring Diagram, Schematic, Models, WS07A10E-B, WS07A10E-C, WS10A10-A, WS12A10E-A

Contents

Room Air Conditioners Service Manual2003 Table of Contents Typical Unit ComponentsIntroduction S S 08 J 1 0 R 2nd Digit3rd and 4th Digit - Approximate BTU/HR Cooling 8th Digit – EngineeringPage EQ PERFORMANCE DATA RS-RMPERFORMANCE DATA PERFORMANCE SS PERFORMANCE DATA WS PERFORMANCE DATA PERFORMANCE DATA YS09J10B-AYS12J33-A YM18J34A-AEvaporator Air Temperature Rise BTUH@70F Inside 62F Outside 9700Refrigeration System Sequence of Operation Electrical Rating Tables Electric shock hazardInstallation Notes Wire SizeCOMPONENTS OPERATION & TESTING COMPRESSORSTHERMAL OVERLOAD External WINDING TESTTERMINAL OVERLOAD - TEST TERMINAL OVERLOAD InternalCHECKING THE INTERNAL OVERLOAD FAN MOTOR1.Off Position - no continuity between terminals SYSTEM CONTROL PANEL KQ Models Only- See Figure SYSTEM CONTROL PANEL EQ Model Only See FigureSYSTEM CONTROL PANEL YQ Model Only SYSTEM CONTROL SWITCH WE & WY Models See Figure SYSTEM CONTROL SWITCH - TESTSYSTEM CONTROL PANEL SYSTEM CONTROL PANEL See Figure SYSTEM CONTROL SWITCH - TEST SYSTEM CONTROL SWITCH See FigureSYSTEM CONTROL SWITCH Heat Pump & Electric Heat ModelsTO ADJUST TEMPERATURE TO ADJUST FAN SPEEDSmart Center Electronic Control Center TO SET MODE OF OPERATIONTO SET THE TIMER TESTING THE ELECTRONIC CONTROLTESTING THE ELECTRONIC CONTROL ERROR CODE LISTINGSTEST THERMOSTAT SQ & KQ Models - See FigureTEST THERMOSTAT YQ Model Only See FigureTHERMOSTAT ADJUSTMENT TESTDEFROST THERMOSTAT Heat Pump Models Only THERMOSTAT BULB LOCATIONDEFROST BULB LOCATION Heat Pump Models Only RetainerRESISTOR: Heat Anticipator See Figure CAPACITOR, RUN See FigureCHECK VALVE OPERATION HEAT PUMPS: REVERSING VALVE See FigureTESTING REVERSING VALVE SOLENOID COIL Heat Pump Models Only See FigureTO TEST NOTE: Always replace with the exact replacement VALVE, DRAIN PAN See FigureHEATING ELEMENT See Figure SEALED REFRIGERATION SYSTEM REPAIRSREFRIGERANT CHARGING HERMETIC COMPONENT REPLACEMENTSPECIAL PROCEDURE IN THE CASE OF TROUBLESHOOTING AND SERVICEUndercharged Refrigerant Systems METHOD OF CHARGINGOvercharged Refrigerant Systems NOTE: Heat pump refrigeration drawingRestricted Refrigerant System Routine Maintenance Valve will not shift from cool to heat Valve will not shift from cool to heatStarts to shift but does not complete reversal Apparent leap in heatingTroubleshooting: Cooling PROBLEMPROBLEM PROBLEMPROBLEM PROBLEMPROBLEM POSSIBLE CAUSEPoorly installed unit Evaporator drain pan cracked or Troubleshooting: Heating Heat pumps PROBLEMPROBLEM PROBLEMOutdoor thermostat does not cut off PROBLEM PROBLEMPOSSIBLE CAUSE TO CORRECTTroubleshooting: Heating Cooling/Electric Models PROBLEMPROBLEM PROBLEMTroubleshooting Chart — Cooling REFRIGERANT SYSTEM DIAGNOSIS COOLINGPROBLEM POSSIBLE CAUSETroubleshooting Chart — Heating Electrical Troubleshooting Chart Heat PumpREFRIGERANT SYSTEM DIAGNOSIS – HEATING SYSTEM COOLS WHEN HEATING IS DESIREDWIRING DIAGRAM SCHEMATICMODELS WIRING DIAGRAM SCHEMATICMODELS SQ06J10B-B, SQ06J10B-A, SQ08J10C-A, SQ08J10D-AWIRING DIAGRAM SCHEMATICMODELS SEE DETAIL AKQ08J10B-1, KQ08J10B-A, KQ08J10C-A WIRING DIAGRAMSCHEMATIC SYSTEM SWITCHSCHEMATIC MODELSWIRING DIAGRAM PTCR WIRING DIAGRAM SCHEMATICMODEL YQ06J10B-A MODEL: SC06H10D SS08J10R-B, SS08J10R-A, SS09J10C-A, SS10J10AR-A SS12J10AR-B, SS14J10R-A, SS12J30D-A, SS16J30A-ASS18J30R-A, SM20J30-A, SM24J30-A SCHEMATICSCHEMATIC WIRING DIAGRAMMODELS SL28J30B-A, SL35J30-A, SL35J30-B SCHEMATIC WIRING DIAGRAMMODELS KS12J30B-A, KS18J30-A, KM20J30-A, KM24J30-AWIRING DIAGRAM SCHEMATICMODELS YS12J33-A, YM18J34B-A, YL24J35C-A WIRING DIAGRAMSCHEMATIC MODELSMODEL YS09J10B-AWIRING DIAGRAM SCHEMATICEQ08J11-A, EQ08J11-B WIRING DIAGRAMSCHEMATIC MODELSWIRING DIAGRAM SCHEMATICMODELS WS07A10E-B, WS07A10E-C, WS10A10-A, WS12A10E-AWE09A33E-B, WE12A33E-A, WE15A33-A WIRING DIAGRAMSCHEMATIC MODELSWY09A33F-A, WY12A33G-A WIRING DIAGRAMSCHEMATIC MODELSTesting The Electronic Control Checking Room Temperature2001 XQ Boards & QME Boards FRIEDRICH AIR CONDITIONING CO Post Office Box 1540 · San Antonio, Texas4200 N. Pan Am Expressway · San Antonio, Texas Printed in the U.S.A