Friedrich racservmn service manual System Cools When Heating is Desired, Yes

Page 45

Troubleshooting Chart — Heating

REFRIGERANT SYSTEM

DIAGNOSIS – HEATING

Low Suction Pressure

 

High Suction Pressure

 

Low Head Pressure

 

High Head Pressure

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Low Airflow

 

Outdoor Ambient Too High

 

Refrigerant System

 

Outdoor Ambient Too High

 

for Operation in Heating

 

 

For Operation In Heating

Across Outdoor Coil

 

 

Restriction

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Refrigerant System

 

Reversing Valve not

 

Reversing Valve not

 

Low Airflow Across

Restriction

 

Fully Seated

 

Fully Seated

 

Indoor Coil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Undercharged

 

Overcharged

 

Undercharged

 

Overcharged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Moisture in System

 

Defective Compressor

 

Defective Compressor

 

Noncondensables (air) in

 

 

 

System

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Electrical Troubleshooting Chart

(Heat Pump)

HEAT PUMP

SYSTEM COOLS WHEN

HEATING IS DESIRED.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Is Line Voltage

 

 

 

Is the Selector Switch

Present at the Solenoid

NO

 

Set for Heat?

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

Is the Solenoid Coil Good?

 

 

 

Replace the Solenoid Coil

NO

 

YES

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Reversing Valve Stuck

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Replace the Reversing Valve

 

 

 

 

 

 

 

 

 

 

 

 

 

45

Image 45
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

racservmn specifications

Friedrich Racervmn is an innovative name in the realm of precision engineering, making significant strides in the development of advanced technologies for various industries. This company stands out due to its commitment to creating high-quality, reliable, and efficient products that cater to the diverse needs of its clientele.

One of the main features of Friedrich Racervmn is its focus on research and development. The company invests heavily in R&D to push the boundaries of what is technically possible. This dedication results in the continuous improvement of their product line and the introduction of cutting-edge solutions that leverage the latest advancements in technology.

Among the distinctive technologies used by Friedrich Racervmn is their proprietary manufacturing process, which integrates automation and robotics to enhance efficiency and precision. This not only speeds up production times but also ensures that the products maintain a consistently high quality. The use of Computer Numerical Control (CNC) machines in their processes allows for intricate designs and complex geometries that meet rigorous industry standards.

Moreover, Friedrich Racervmn utilizes innovative materials in their products to ensure durability and performance under various conditions. These materials are selected based on their specific properties, such as strength, weight, and resistance to environmental factors, ensuring that the final output exceeds customer expectations.

Another hallmark of Friedrich Racervmn is their commitment to sustainability. The company actively seeks ways to minimize its environmental footprint by optimizing resource use and incorporating eco-friendly practices throughout its manufacturing processes. This is reflected in their efforts to design products that are not only high-performing but also energy-efficient, helping customers reduce their carbon emissions.

Friedrich Racervmn’s customer service stands out as well. Their team is dedicated to providing exceptional support, ensuring that clients receive personalized attention and solutions tailored to their unique needs. This customer-centric approach is a fundamental part of their philosophy and has contributed to building strong and lasting relationships within the industry.

In summary, Friedrich Racervmn is a leader in precision engineering, recognized for its advanced technologies, innovative manufacturing processes, commitment to sustainability, and outstanding customer service. The company’s focus on quality and innovation positions it as a vital player in the modern industrial landscape, continuously pushing the envelope toward a more technologically advanced and environmentally conscious future.