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