Friedrich 2003 service manual YS12J33-A, YM18J34B-A, YL24J35C-A

Page 57

MODELS

YS12J33-A, YM18J34B-A, YL24J35C-A

RED

WIRING DIAGRAM

BLUE

COMPRESSOR

BROWN

TERMINAL

REVERSING

C

ORIENTATION

S R

MAY VARY.

BLACK

BLACK

WHITE

BLUE

VALVE ASY

BLACK

REFER TO

BLUE

RED

MARKINGS ON

THERMOSTAT

SYSTEM SWITCH

COMPRESSOR

RED BLUE

RED

3

MS

BLUE

2

4

3

ALTERNATE

1

1

2

L1

5

YELLOW

COMPRESSOR

BLUE

COMPRESSOR

WHITE

C2

L

M

H

AR

C

BROWN

WIRE HARNESS

S

BLUE

C

R

GRAY

RED

BLACK

ORANGE

PURPLE

BLACK

BLACK

DEFROST

WHITE

BLUE

BLACK

PINK

YELLOW

GRAY

OVERLOAD

PROTECTOR

BROWN

THERMOSTAT

WHITE

BLACK

BLACK

FAN

3

ORANGE

BLUE

OR

MOTOR

1

2

ORANGE

CONDUCTOR

BLACK

BROWN

PURPLE

BLUE

BLACK OR WHITE

GREEN OR SMOOTH

ANTICIPATOR

PINK

ROCKER SWITCH

RESISTOR

SUPPLY

(GE)

ORANGE

CORD

RIBBED CONDUCTOR OR BLUE

c

RED

RED

RED

GREEN

FAN

BLUE

M

R

E

H

BROWN

TO CAPACITOR

GREEN/ YELLOW

BRACKET

CAPACITOR

3

2 1

HEATER

GREENOR

GREEN/YELLOW INNERWALL/TO

MOUNTMOTOR

TO CAPACITOR

TO CHASSIS

BRACKET

SCHEMATIC

L2

L1

L1

1

MEDIUM

MS

M

3

2

R

YES

OVLD

2

HIGH

MS

3

H

MTR

1 NO

LOW

S

FAN

C

4

L

CAP

IDT

3

ODT

3

R

3

5

OVLD

2

2

C

COMPR

C

1

1

6

1

S

HERM

C

7

2

CAP

C2

RV

HL

TF

HTR

8

4

AR

9

AR

SYSTEM SWITCH

10

5

SWITCH LOGIC

X = CLOSED

L E G E N D

0 = OPEN

SWITCH POSITION

CIRCUIT

AR

- ANTICIPATOR RESISTOR

HTR

- HEATER

1 2 3 4 5 6 7 8 9 10

MS

- MONEY SAVER

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

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

LOW HEAT

O O O X O X O X O X

- INDOOR THERMOSTAT

PART NO.

REV.

FAN ONLY

X O O O O O O O O O

ODT

- OUTDOOR THERMOSTAT

619-405-04

01

57

Image 57

Contents 2003 Table of Contents 1st Digit Function RAC Serial Number Identification Guide00001 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 SC06H10E HeatingWY09A33F-A WY12A33F-A Heating BtuhAmps Refrigeration System Sequence of Operation Fuse/Circuit Wire SizeBreaker GroundingThermal Overload External Winding TestChecking Compressor Efficiency Terminal Overload Internal Terminal Overload TestChecking the Internal Overload FAN MotorResistor System Control Panel KQ Models Only- See Figure System Control PanelEQ Model Only See Figure System Control Panel YQ Model Only System Control Switch Test System Control Switch WE & WY Models See FigureSystem Control Panel See Figure System Control Switch KS, SS, KM, SM, SL Models See FigureHeat Pump & Electric Heat Models See Figure System Control SwitchTo Adjust Temperature To SET Mode of OperationTo Adjust FAN Speed Smart Center Electronic Control CenterTesting the Electronic Control To SET the TimerTesting the Electronic Control Error Code Listings To SET Hour ClockThermostat SQ & KQ Models See Figure TestThermostat YQ Model Only See Figure Thermostat Models ES, YS, EM, YM, EL, YL See FigureThermostat Adjustment Defrost Thermostat Heat Pump Models OnlyThermostat Bulb Location Defrost Bulb Location Heat Pump Models Only CAPACITOR, RUN See FigureCapacitor Test Heat Pumps Reversing Valve See Figure Check Valve OperationTesting Reversing Valve Solenoid Coil Heat Pump Models Only See FigureTo Test Heating Element See Figure VALVE, Drain PAN See FigureSealed Refrigeration System Repairs Equipment RequiredSpecial Procedure in the Case Compressor Motor Burnout Hermetic Component ReplacementRotary Compressor Special Troubleshooting and Service Equipment Must be CapableMethod of Charging Undercharged Refrigerant SystemsOvercharged Refrigerant Systems Restricted Refrigerant System Routine Maintenance Troubleshooting Touch Test Chart To Service Reversing Valves Problem To Correct Troubleshooting CoolingProblem 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 YES System Cools When Heating is DesiredModels SQ06J10B-B, SQ06J10B-A, SQ08J10C-A, SQ08J10D-A Models KQ08J10B-1, KQ08J10B-A, KQ08J10C-A Schematic YQ06J10B-A ModelModel SC06H10D 619-405-06 Alternate SL28J30B-A, SL35J30-A, SL35J30-BConductor 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 Checking Room Temperature Testing The Electronic Control XQ Boards & QME BoardsFriedrich AIR Conditioning CO