Models
Power
Timer
Warmer Power Money Saver Set Hr
TECHNICAL SUPPORT CONTACT INFORMATION
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas
4200 N. Pan Am Expressway · San Antonio, Texas
Table Of Contents
ELECTRICAL HAZARDS
IMPORTANT SAFETY INFORMATION
PERSONAL INJURY OR DEATH HAZARDS
REFRIGERATION SYSTEM HAZARDS
MECHANICAL HAZARDS
WATER DAMAGE HAZARDS
PROPERTY DAMAGE HAZARDS
FIRE DAMAGE HAZARDS
Introduction
TYPICAL UNIT COMPONENTS
S S 08 L 1 0 E
Unit Identification Model Number Code
RAC Serial Number Identification Guide
1st Digit - Function
Chassis Specifications for 2009, 2008 models
Electrical Characteristics 60 Hertz
EER COP
Model
installation information / sleeve dimensions
Circuit Rating / Breaker
Window Mounting Kits
Minimum
PERFORMANCE DATA for 2009, 2008 models
electrical DATA
HACR Heating Air Conditioning and Refrigeration
ELECTRIC SHOCK HAZARD
FIRE HAZARD
Make sure the wiring is adequate for your unit
Test the power cord
Keep the filter clean
Unit placement
To adjust fan speed
To set the timer
To start unit
To set mode of operation
To adjust temperature
To set the hour clock
To set the timer
To adjust fan speed
To adjust temperature
To adjust fan speed
To set the timer
To start unit
How to use the remote control XQ models
To adjust temperature setting
To set the timer
To adjust fan speed
How to operate the Friedrich room air conditioner
Temperature control
Money Saver switch
QuietMaster / Twintemp models
EQ08 models
Function Control
Checking Room Temperature
Function Control
1.Activate Error Code Mode by pressing the “TIMER ON/ OFF” button on XQ models. LED for the “TIMER ON/ OFF” will flash 1 bps while Error Code Mode is active. Pressing the “TEMP/HR ” button will display 00. Consecutive presses will scroll through all error codes logged. Press the “TEMP/HR ” button to see the reverse order of all error codes logged. When the end of logged error codes is reached the temperature set point will appear
KS, KM, SL Models See Figure
TESTING THE ROTARY CONTROL SWITCHES
ELECTRIC SHOCK HAZARD
FUNCTIONAL COMPONENT DEFINITIONS
“EQ08” SYSTEM CONTROL SWITCH - TEST
MECHANICAL COMPONENTS
ELECTRICAL COMPONENTS
COMPONENTS TESTING
THERMOSTAT ADJUSTMENT
THERMOSTAT “EQ08” Models See Figure
ELECTRIC SHOCK HAZARD
COMPONENTS TESTING Continued
RESISTOR Heat Anticipator See Figure
DEFROST THERMOSTAT Heat Pump Models Only
ELECTRIC SHOCK HAZARD
CAPACITORS
Capacitor Check with Capacitor Analyzer
Capacitor Connections
COMPONENTS TESTING Continued
COMPONENTS TESTING Continued
TESTING THE HEATING ELEMENT
HEATING ELEMENT See Figure
HEATING ELEMENT Heat Pump Models
OPERATING SEQUENCE / CHARACTERISTICS AND FEATURES
Compressor Time Delay 180 seconds
Return Air Temperature Sensor
Mode Control
REFRIGERATION SEQUENCE OF OPERATION
SEALED REFRIGERATION SYSTEM REPAIRS
Refrigerant Charging
EQUIPMENT REQUIRED
EQUIPMENT MUST BE CAPABLE OF
Method Of Charging / Repairs
BURN HAZARD
FREEZE HAZARD
BURN HAZARD
Undercharged Refrigerant Systems
Overcharged Refrigerant Systems
ELECTRIC SHOCK HAZARD
HIGH PRESSURE HAZARD
Restricted Refrigerant System
HERMETIC COMPONENTS CHECK
METERING DEVICE
CHECK VALVE
Capillary Tube Systems
REVERSING VALVE DESCRIPTION/OPERATION
ELECTRIC SHOCK HAZARD
TESTING THE COIL
CHECKING THE REVERSING VALVE
ELECTRIC SHOCK HAZARD
HIGH PRESSURE HAZARD
Procedure For Changing Reversing Valve
Touch Test in Heating/Cooling Cycle
BURN HAZARD
HIGH PRESSURE HAZARD
Single Phase Connections
Single Phase Running and L.R.A. Test
COMPRESSOR CHECKS
Locked Rotor Voltage L.R.V. Test
Single Phase Resistance Test
ELECTRIC SHOCK HAZARD
GROUND TEST
CHECKING COMPRESSOR EFFICIENCY
COMPRESSOR REPLACEMENT
Recommended procedure for compressor replacement
HIGH TEMPERATURES
RISK OF ELECTRIC SHOCK
EXPLOSION HAZARD
ELECTRIC SHOCK HAZARD
HIGH PRESSURE HAZARD
ROUTINE MAINTENANCE
EXCESSIVE WEIGHT HAZARD
BLOWER WHEEL / HOUSING / CONDENSER FAN / SHROUD
ELECTRIC SHOCK HAZARD
ROUTINE MAINTENANCE Continued
Problem
Problem
Problem
Possible Cause
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Problem
Possible Cause
TROUBLESHOOTING CHART - HEATPUMP
Problem
REFRIGERANT SYSTEM DIAGNOSIS - COOLING CYCLE
Possible Cause
ELECTRICAL TROUBLESHOOTING CHART - HEAT PUMP
REFRIGERANT SYSTEM DIAGNOSIS - HEATING CYCLE
HEAT PUMP
TROUBLESHOOTING CHART - HEATPUMP
TEMPERATURE OF VALVE BODY
POSSIBLE CAUSES
CORRECTIONS
NORMAL FUNCTION OF VALVE
XQ10L10A-C XQ12L10A-B,A-C
ELECTRONIC CONTROL COOL ONLY MODELS
XQ05L10A-C XQ06L10A-C XQ08L10A-B,A-E
ELECTRONIC CONTROL COOL ONLY MODELS
ELECTROMECHANICAL CONTROL COOL ONLY MODELS
SL28L30-D,-E SL36L30A-D,A-E
ELECTROMECHANICAL CONTROL COOL ONLY MODELS
Page
ES12L33-D,-E ES16L33-C,-D EM18L34-C EM24L34-B
ELECTROMECHANICAL CONTROL
COOL WITH ELECTRIC HEAT MODELS
COOL WITH ELECTRIC HEAT MODELS EL36L35A-D,A-E
ELECTROMECHANICAL CONTROL
ELECTROMECHANICAL CONTROL HEAT PUMP ONLY MODELS
YS09L10-F,-G
ELECTROMECHANICAL CONTROL
HEAT PUMP WITH ELECTRIC HEAT MODELS
YS13L33-D,-E YM18L34-D,-E
HEAT PUMP WITH ELECTRIC HEAT MODELS YL24L35-E,-F
ELECTROMECHANICAL CONTROL
AHAM PUB. NO. RAC-1
INSTRUCTIONS FOR USING COOLING LOAD ESTIMATE
FORM FOR ROOM AIR CONDITIONERS
COOLING LOAD ESTIMATE FORM
HEAT GAIN FROM
QUANTITY
FACTORS
HEAT LOAD FORM
Following is an example using the heat load form
INFILTRATION - WINDOWS & DOORS AVG
HEATING LOAD FORM FRIEDRICH ROOM UNIT HEAT PUMPS
WINDOWS & DOORS Area, sq. ft
SECOND THROUGH FIFTH YEAR
ROOM AIR CONDITIONERS LIMITED WARRANTY
FIRST YEAR
Page
TECHNICAL SUPPORT CONTACT INFORMATION
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas
4200 N. Pan Am Expressway · San Antonio, Texas
RAC-ServMan
FRIEDRICH AIR CONDITIONING CO
Post Office Box 1540 · San Antonio, Texas
