Friedrich 2003 service manual 1st Digit Function, RAC Serial Number Identification Guide, 00001

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UNIT IDENTIFICATION

Model Number Code

S S 08 J 1 0 R

1st Digit – Function

S = Straight Cool, Value Series

C = Straight Cool, Budget

Series

Y = Heat Pump

E = Electric Heat

K = Straight Cool, Challenger

Series

W = Thru-the Wall,

WallMaster Series

2nd Digit

C = Casement

P = PowerMiser "Portable"

Q = Q-Star

M = Medium Chassis

L = Large Chassis

W = Built -In

H = HazardGard

3rd and 4th Digit - Approximate BTU/HR (Cooling)

Heating BTU/Hr capacity listed in the Specification/Performance Data Section

RAC Serial Number Identification Guide

8th Digit – Engineering

Major change

7th Digit – Options

0 = Straight Cool & Heat Pump Models

1 = 1 KW Heat Strip, Normal

3 = 3 KW Heat Strip, Normal

4 = 4 KW Heat Strip, Normal

5 = 5 KW Heat Strip, Normal

8 = 8 KW Heat Strip, Normal

6th Digit – Voltage

1 = 115 Volts

2 = 230 Volts

3 = 230-208 Volts

5th Digit

Alphabetical Modifier

	Serial Number			L	C	G	S	00001
	Decade Manufactured			L	C	G	S	00001
	Decade Manufactured
	L=0	C=3	F=6	J=9				Production Run Number
								Production Run Number
	A=1	D=4	G=7
	B=2	E=5	H=8
	B=2	E=5	H=8

	Year Manufactured							PRODUCT LINE
	A=1	D=4	G=7	K=0				S=RAC
	B=2	E=5	H=8					P=PTAC
	C=3	F=6	J=9					E=EAC
								V=VPAK
	Month Manufactured							V=VPAK
	A=Jan	D=Apr	G=Jul	K=Oct				H=Split
	B=Feb	E=May	H=Aug	L=Nov
	C=Mar	F=Jun	J=Sep	M=Dec

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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 Grounding Wire SizeFuse/Circuit BreakerThermal Overload External Winding TestChecking Compressor Efficiency FAN Motor Terminal Overload TestTerminal Overload Internal Checking the Internal OverloadResistor 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 SwitchSmart Center Electronic Control Center To SET Mode of OperationTo Adjust Temperature To Adjust FAN SpeedTo SET Hour Clock To SET the TimerTesting the Electronic Control Testing the Electronic Control Error Code ListingsThermostat Models ES, YS, EM, YM, EL, YL See Figure TestThermostat SQ & KQ Models See Figure Thermostat YQ Model Only 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 Equipment Required VALVE, Drain PAN See FigureHeating Element See Figure Sealed Refrigeration System RepairsEquipment Must be Capable Hermetic Component ReplacementSpecial Procedure in the Case Compressor Motor Burnout Rotary Compressor Special Troubleshooting and ServiceMethod 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