EasyManua.ls Logo

Friedrich 2007 User Manual

Friedrich 2007
36 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Page #1 background imageLoading...
Page #1 background image
Service Manual
Room Air Conditioners
RAC-Svc-07 (4-07)
2007
M
o
n
e
y
F
a
n
Timer Operation
S
e
t H
r
.
S
to
p
S
ta
r
t
Temperature
F
a
n
C
o
o
l
O
n
/O
ff
Power
C
o
o
le
r
O
n
ly
S
p
e
e
d
S
a
v
e
r
®
W
a
r
m
e
r

Questions and Answers:

Friedrich 2007 Specifications

General IconGeneral
BrandFriedrich
Model2007
CategoryAir Conditioner
LanguageEnglish

Summary

Introduction and Unit Components

Typical Unit Components

Diagram and labels for common components within the air conditioning unit.

Limited Warranty Information

Obtaining Warranty Performance

Procedure for initiating warranty service and contact information for Friedrich Air Conditioning Co.

Warranty Limitations

Details on warranty exclusions, implied warranties, and liability limitations.

Routine Maintenance Procedures

Maintenance Personnel and Frequency

Note specifying that units must be serviced by qualified personnel annually or semi-annually.

Air Filter Maintenance

Instructions for cleaning the unit's air intake filter using mild detergent.

Coil and Base Pan Cleaning

Procedure for inspecting and cleaning indoor/outdoor coils and base pan, with cleaning agent recommendations.

Blower and Fan Assembly Cleaning

Guidance on cleaning blower housing, evaporator blade, condenser fan, and shroud with specific agents.

Electrical and Mechanical Component Inspection

Periodic inspection of control components, power supply, and electrical tests.

Installation Area Inspection

Ensuring surrounding clearances have not been compromised or altered.

Sleeve and Drain System Maintenance

Periodic inspection and cleaning of the sleeve and drain system for obstructions.

Front Cover Cleaning

Instructions for cleaning the front cover with mild detergent.

Unit Identification Systems

Model Number Code Structure

Explanation of the alphanumeric code used to identify unit models and their features.

Serial Number Identification Guide

Guide to deciphering serial numbers, including decade, year, month, and production run.

Performance Data and Conditions

Performance Data Rating Conditions

Specifies the standard conditions (temperature, humidity) under which performance data is measured.

Performance Data Table

Table detailing various performance metrics for different room air conditioner models.

Electrical Data and Safety Guidelines

Electrical Installation Requirements

Guidelines for wire size, fuse/breaker types, grounding, and receptacle requirements for safe installation.

Electrical Safety Warning

Critical safety warning about turning off power before service and using qualified personnel for wiring.

AHAM Certification Seal Information

Explanation of the AHAM Certification Seal and its relation to unit capacity and efficiency ratings.

Functional Component Definitions

Mechanical Component Definitions

Definitions for mechanical parts like bellows condensate valve, vent door, plenum, blower wheel, and slinger fan blade.

Electrical Component Definitions

Definitions for electrical components such as thermostat, system switch, and capacitor.

Additional Electrical Component Definitions

Definitions for MoneySaver switch, fan motor, solenoid, heating element, and heat anticipator.

Hermetic Component Definitions

Definitions for hermetic components like compressor, reversing valve, check valve, and capillary tube.

Electronic Control Functions

Explanation of the 'Check Filter' indicator and its reset function.

Electronic Controls Operation and Error Codes

Test Mode Activation

Instructions for activating test mode on XQ/WS and QME electronic control boards.

Error Code Mode Activation

Procedure for entering error code mode on XQ/WS and QME models.

Electronic Control Error Code Listings

List and explanations of various error codes (E1-E6) for electronic controls.

Displaying Indoor Temperature

How to display the current indoor temperature on the unit's control panel.

Check Filter Indicator Function

Explanation of the 'Check Filter' indicator, its timer, and reset procedure.

Electronic Control Memory (Keep Alive)

Description of the electronic control's memory function for retaining settings during power loss.

Refrigeration System Operation Principles

Basic Refrigeration Principles

Outlines four fundamental laws governing refrigeration system operation.

Refrigeration Cycle Steps Explained

Detailed explanation of the refrigerant cycle from compressor to evaporator and back.

Refrigerant System Components Diagram

Diagram illustrating the key components of the refrigerant system.

Sealed System Repair Notes

Important notes regarding the installation of liquid line driers for cool-only and heat pump models.

Service Equipment and Component Replacement

List of Required Tools and Gauges

A comprehensive list of tools and equipment needed for servicing the units.

Required Equipment Capabilities

Specifications for the capabilities of essential service equipment, such as recovery systems and vacuum pumps.

Hermetic Component Replacement Steps

Step-by-step guide for replacing components in the sealed refrigeration circuit.

Compressor Motor Burnout Procedure

Specific procedure to follow in the event of a compressor motor burnout.

Rotary Compressor Troubleshooting and Service

Troubleshooting and service notes specific to rotary compressors, including a critical warning.

Refrigerant Charging Procedures

Sealed System Access and Service Valves

Instructions for installing service tubes and the prohibition of leaving service valves in sealed systems.

Importance of Correct Refrigerant Charge

Explanation of how proper refrigerant charge affects unit operation, performance, and compressor longevity.

Consequences of Over/Undercharging

Details on how overcharging or undercharging can lead to compressor failure and other issues.

Recommended Charging Method

Details the 'Weighed in Charge Method' as the preferred and most accurate charging technique.

Refrigerant System Diagnosis

Diagnosing Undercharged Systems

Symptoms and checks for identifying an undercharged refrigerant system.

Diagnosing Overcharged Systems

Symptoms and confirmation methods for identifying an overcharged refrigerant system.

Troubleshooting Refrigerant Restrictions

Identifying Refrigerant Restrictions

Methods for diagnosing partial or complete restrictions in the refrigerant system.

Symptoms of Restricted Refrigerant Systems

Common symptoms and gauge readings associated with refrigerant restrictions.

Reversing Valve Troubleshooting Chart

Normal Reversing Valve Operation

Description of normal valve operating conditions and temperature readings.

Reversing Valve Malfunctions and Corrections

Chart detailing valve malfunctions, possible causes, and corrective actions.

Cooling Only Troubleshooting Tips

Compressor Not Running Troubleshooting

Common causes and actions for a compressor that fails to run.

Fan Motor Not Running Troubleshooting

Possible causes and recommended actions when the fan motor does not operate.

Cooling Performance Issues

Troubleshooting steps for units that do not cool effectively or cool only slightly.

Cooling System Troubleshooting Continued

Unit Power Issues Troubleshooting

Troubleshooting steps for when the entire unit fails to power on.

Evaporator Coil Freezing Troubleshooting

Causes and solutions for the evaporator coil freezing up.

Continuous Compressor Operation Troubleshooting

Diagnosing why the compressor runs continuously without cycling off.

Thermostat Not Turning Unit Off

Troubleshooting steps when the thermostat fails to shut off the unit.

Room Air Conditioner Troubleshooting

Short Cycling/Overload Issues

Troubleshooting for units that cycle on overload after short operation periods.

Thermostat Not Turning Unit On

Diagnosing why the thermostat fails to activate the unit.

Noisy Operation Troubleshooting

Identifying and resolving common causes of noisy operation in the unit.

Water Leakage into Room Troubleshooting

Causes and solutions for water leaks occurring within the room.

Additional Cooling Troubleshooting

Water Spitting into Room Troubleshooting

Addressing water spitting into the room due to sublimation or installation issues.

Excessive Moisture Troubleshooting

Diagnosing and resolving issues related to excessive moisture in the conditioned area.

Thermostat Short Cycling Troubleshooting

Troubleshooting short cycling caused by thermostat settings or airflow issues.

Prolonged Off Cycle Troubleshooting

Diagnosing issues causing prolonged automatic off cycles, possibly related to the anticipator.

External Water Leaks Troubleshooting

Resolving water leaks originating from the unit's exterior or drain components.

Heat/Cool Room Air Conditioner Troubleshooting

Uneven Room Temperature (Heating)

Troubleshooting uneven room temperatures specifically during the heating cycle.

Unit Not Defrosting Troubleshooting

Diagnosing why the unit fails to initiate or complete the defrost cycle.

Inadequate Heating Performance

Troubleshooting steps for units that do not provide adequate heating.

Heat/Cool System Troubleshooting Continued

Unit Cools During Heating Call Troubleshooting

Diagnosing why the unit cools when the heating mode is selected.

Cooling OK, Heating Insufficient Troubleshooting

Troubleshooting units that cool properly but fail to heat sufficiently.

Cooling Refrigerant System Diagnosis

Diagnostic chart for cooling mode refrigerant system issues based on pressures.

Heating Refrigerant System Diagnosis

Diagnostic chart for heating mode refrigerant system issues based on pressures.

Heat/Cool System Troubleshooting Charts

Heating Refrigerant System Diagnosis Chart

Diagnostic chart for heating mode refrigerant system issues based on pressures.

Heat Pump Electrical Troubleshooting

Flowchart for diagnosing electrical issues in heat pump operation.

Wiring Diagrams

XQ/WS Model Wiring Diagrams

Electrical wiring diagrams and schematics for XQ and WS model series.

KS/RS/RM/KM Model Wiring Diagrams

Electrical wiring diagrams and schematics for KS, RS, RM, and KM model series.

SS/SM Model Wiring Diagrams

Electrical wiring diagrams and schematics for SS and SM model series.

SL36L30-A Wiring Diagrams

Electrical wiring diagram and schematic for the SL36L30-A model.

SL28L30-A Wiring Diagrams

Electrical wiring diagram and schematic for the SL28L30-A model.

SL36L30-B Wiring Diagrams

Electrical wiring diagram and schematic for the SL36L30-B model.

EQ08L11-A Wiring Diagrams

Electrical wiring diagram and schematic for the EQ08L11-A model.

ES/EM Model Wiring Diagrams

Electrical wiring diagrams and schematics for ES and EM model series.

EL36L35-A Wiring Diagrams

Electrical wiring diagram and schematic for the EL36L35-A model.

YS09L10 Model Wiring Diagrams

Electrical wiring diagrams and schematics for YS09L10 model series.

YS13L33/YM18L34 Model Wiring Diagrams

Electrical wiring diagrams and schematics for YS13L33 and YM18L34 model series.

YL24L35-A Wiring Diagrams

Electrical wiring diagram and schematic for the YL24L35-A model.

Related product manuals