Friedrich 2003 service manual WY09A33F-A, WY12A33G-A

Page 62

MODELS

WY09A33F-A, WY12A33G-A

WHITE

WIRING DIAGRAM

BLUE

BLUE

BLUE

BLACK

BROWN

YELLOW

SYSTEM SWITCH

MS

2

4

3

1

L1

5

REV VALVE

BLUE

YELLOW

BLACK

C2

L

M

H

AR

C

BLACK

COMPRESSOR

WHITE

BROWN

BLUE

BLUE

BLUE

FAN MOTOR

BLACK

PURPLE

C

RED

3

S

R

YELLOW

1

2

BROWN

HARNESS, COMPRESSOR

THERMOSTAT

MOLDED

BLACK

BLACK

BLUE

BLACK

DEFROST

RED

OVERLOAD,

T/STAT

3

2

PROTECTOR

1

ORANGE

ORANGE

HEATER

BROWN

YELLOW

YELLOW

SMOOTH CONDUCTOR

SUPPLY CORD

c

RED

RIBBED CONDUCTOR

YELLOW

F

A

HERM

N

GREEN

BLUE

TO GROUNDING

CAPACITOR

SCREW

L1

1

SCHEMATIC

L2

L1

M

MEDIUM

R

2

OVLD

3

H

HIGH

MTR

MS

S

FAN

C

4

L

LOW

CAP

IDT

R

OVLD

5

3

3

3

C

COMPR

C

2

6

1

2

HERM

C

S

1

1

CAP

RV

7

2

ODT

HL

TF

HTR

C2

8

4

9

AR

10

5

SWITCH LOGIC

X = CLOSED

L E G E N D

0 = OPEN

SWITCH POSITION

CIRCUIT

MS

- MONEY SAVER

HTR

- HEATER

1 2 3 4 5 6 7 8 9 10

HL

- HEATER LIMIT

OFF

O O O O O O O O O O

CAP

- CAPACITOR

TF

- THERMAL FUSE

LOW COOL

O O O X X O X O X O

COMPR

- COMPRESSOR

- GROUND LEAD

MEDIUM COOL

O X O O X O X O X O

MTR

- FAN MOTOR

HIGH COOL

O O X O X O X O X O

- COMBINATION TERMINAL

OVLD

- OVERLOAD PROTECTOR

HIGH HEAT

O O X O O X O X O X

RV

- REVERSING VALVE

- PLASTIC INSULATOR

MEDIUM HEAT

O X O O O X O X O X

IDT

- INDOOR THERMOSTAT

LOW HEAT

O O O X O X O X O X

PART NO.

REV.

ODT

FAN ONLY

X O O O O O O O O O

- OUTDOOR THERMOSTAT

617-581-02

03

62

Image 62

Contents 2003 Table of Contents 00001 1st Digit FunctionRAC Serial Number Identification Guide Page Data Evaporator AIR Operating Electrical Breaker Pressures Ratings Refrig Fuse Performance Evaporator AIR Operating Electrical Breaker Data SS10J10AR-A TEMP. DEG. F Pressures Ratings Heating SC06H10EAmps WY09A33F-A WY12A33F-A HeatingBtuh Refrigeration System Sequence of Operation Breaker Wire SizeFuse/Circuit GroundingChecking Compressor Efficiency Thermal Overload ExternalWinding Test Checking the Internal Overload Terminal Overload TestTerminal Overload Internal FAN MotorResistor EQ Model Only See Figure System Control Panel KQ Models Only- See FigureSystem Control Panel System Control Panel YQ Model Only System Control Switch WE & WY Models See Figure System Control Switch TestSystem Control Switch KS, SS, KM, SM, SL Models See Figure System Control Panel See FigureSystem Control Switch Heat Pump & Electric Heat Models See FigureTo Adjust FAN Speed To SET Mode of OperationTo Adjust Temperature Smart Center Electronic Control CenterTesting the Electronic Control Error Code Listings To SET the TimerTesting the Electronic Control To SET Hour ClockThermostat YQ Model Only See Figure TestThermostat SQ & KQ Models See Figure Thermostat Models ES, YS, EM, YM, EL, YL See FigureThermostat Bulb Location Thermostat AdjustmentDefrost Thermostat Heat Pump Models Only Capacitor Test Defrost Bulb Location Heat Pump Models OnlyCAPACITOR, RUN See Figure Check Valve Operation Heat Pumps Reversing Valve See FigureTo Test Testing Reversing ValveSolenoid Coil Heat Pump Models Only See Figure Sealed Refrigeration System Repairs VALVE, Drain PAN See FigureHeating Element See Figure Equipment RequiredRotary Compressor Special Troubleshooting and Service Hermetic Component ReplacementSpecial Procedure in the Case Compressor Motor Burnout Equipment Must be CapableUndercharged Refrigerant Systems Method of ChargingOvercharged Refrigerant Systems Restricted Refrigerant System Routine Maintenance Troubleshooting Touch Test Chart To Service Reversing Valves Troubleshooting Cooling Problem To CorrectProblem Possible Cause To Correct Cycles Problem Possible Cause To Correct Troubleshooting Heating Heat pumps Problem Possible Cause To Correct Off and the electric element is energized Troubleshooting Heating Cooling/Electric Models Troubleshooting Chart Cooling System Cools When Heating is Desired YESModels SQ06J10B-B, SQ06J10B-A, SQ08J10C-A, SQ08J10D-A Models KQ08J10B-1, KQ08J10B-A, KQ08J10C-A Schematic Model YQ06J10B-AModel SC06H10D 619-405-06 SL28J30B-A, SL35J30-A, SL35J30-B AlternateConductor Or Brown RED Blue To Capacitor Bracket Wiring Diagram YS12J33-A, YM18J34B-A, YL24J35C-A Model EQ08J11-A, EQ08J11-B IDT Ovld Neutral WE09A33E-B, WE12A33E-A, WE15A33-A WY09A33F-A, WY12A33G-A Testing The Electronic Control XQ Boards & QME Boards Checking Room TemperatureFriedrich AIR Conditioning CO