Friedrich WallMaster WS10B10A Service & Parts Manual
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Also See for WallMaster WS10B10A:
- Service manual (60 pages) ,
- Installation and operation manual (56 pages) ,
- Service and parts manual (30 pages)
Table of Contents
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Table of Contents
Troubleshooting
Related Manuals for Friedrich WallMaster WS10B10A
Summarization of Contents
Cooling Load Estimation
Instructions for Cooling Load Estimate Form
Detailed steps for calculating cooling load requirements for room air conditioners using the AHAM form.
Heat Load Calculation
Using the Heat Load Form
Explains how to use the heat load form to determine heat loss and capacity of heat pumps.
Model Specifications
Cooling Performance Data
Details performance data for various Friedrich cooling models, including temperatures and pressures.
Model Specifications (Continued)
Cooling and Heating Specifications
Provides detailed cooling and heating specifications for various Friedrich models, including BTUH, EER, Volts, Amps, and CFM.
Performance Data (Heating)
Heating Performance Data Details
Lists heating performance data for specific models, including BTUH, AMPS, Watts, and Suction/Head PSIG at various temperatures.
Component Operation and Testing
Compressor Testing Procedures
Procedures for testing compressor windings and ground integrity using an ohmmeter.
Compressor Efficiency Check
Method to check compressor efficiency by measuring suction and discharge pressures during operation.
Component Testing (Continued)
Terminal Overload Testing
How to test external and internal terminal overloads for compressors using an ohmmeter.
Fan Motor Testing Procedures
Steps to test the fan motor's functionality and capacitor using live test cords.
Control Switch Testing
System Control Switch ("WS" Models) Testing
Explains the five-position control switch for WS models and how to test its continuity.
System Control Switch ("WE" & "WY" Models)
Describes the eight-position switch for WE/WY models and its function.
Capacitor and Thermostat Testing
System Control Switch Testing ("WE" & "WY" Models)
Details continuity tests for the eight-position system control switch on WE and WY models.
Run Capacitor Function and Testing
Explanation of the run capacitor's function and wiring in single-phase motors.
Thermostat and Heating Element Details
Capacitor Testing Procedures
Procedures for testing capacitors for visual damage, shorts, opens, and continuity.
Thermostat ("WS" Models) Operation and Testing
Description and testing procedure for the WS model thermostat, including its range and differential.
Thermostat ("WE" & "WY" Models) Operation and Testing
Description and testing procedure for the cross-ambient thermostats used in WE/WY models.
Heating Element and Defrost Control
Thermostat Adjustment Guidance
Advises against adjusting thermostats due to sensitivity and suggests replacement.
Heating Element ("WE" & "WY" Models)
Details the 3.3 KW heating element, fuse link, and high limit control for WE/WY models.
Defrost Thermostat ("WY" Models Only) Operation
Explains the dual-purpose defrost thermostat's operation in defrost and electric heat modes for WY models.
Refrigerant Flow Controls
Defrost Bulb Location
Specifies the correct mounting location for the defrost control bulb in WY models.
Solenoid Coil Testing
Procedure for testing the solenoid coil on the reversing valve for continuity.
Check Valve and Liquid Dryer Operation
Describes the function of the check valve and liquid dryer in cooling and heating modes for heat pumps.
Reversing Valve and Drain Valve
Drain Pan Valve Operation
Explains the operation of the temperature-sensitive bellows-type drain valve.
Reversing Valve Function and Testing
Explains the function and components of the reversing valve in heat pump systems.
Testing Reversing Valve Operation
Procedures for testing the reversing valve's operation and troubleshooting stuck valves.
Refrigeration System Repairs
Sealed Refrigeration System Repair Equipment
Lists required equipment and procedures for repairing sealed refrigeration systems.
Hermetic Component Replacement Procedure
Steps for replacing hermetic components and repairing refrigerant leaks, including evacuation.
Compressor and Refrigerant Handling
Compressor Burnout Procedure
Steps for flushing and cleaning the system after a motor compressor burnout.
Rotary Compressor Service
Troubleshooting and service tips specific to rotary compressors, including mounting and wiring.
Refrigerant Charge Procedures
Critical aspects of refrigerant charge measurement and charging methods for rotary compressors.
Reversing Valve Troubleshooting Chart
Reversing Valve Normal Function
Details the normal operation of the reversing valve in cooling and heating modes.
Reversing Valve Malfunctions and Corrections
Lists common causes and corrections for reversing valve malfunctions, including failure to shift.
Cooling Troubleshooting
Compressor and Fan Motor Issues
Diagnosing compressor and fan motor problems, including failure to run or continuous operation.
Cooling Performance Issues
Identifying causes for poor cooling, including undersized units, filters, coils, and refrigerant.
Cooling System Operation Problems
Unit Not Running and Coil Freezing
Troubleshooting steps for a unit that does not run and evaporator coil freezing issues.
Compressor Continuous Operation
Troubleshooting compressor running continuously without cycling off, checking heat load and thermostat.
Cooling Operational Faults
Thermostat and Noise Issues
Diagnosing thermostat not turning off unit, and causes of noisy operation.
Water Leaks and Humidity Problems
Troubleshooting water leaks into room and high indoor humidity.
Cooling Environment and Cycle Control
Thermostat Cycle and Leak Troubleshooting
Addresses thermostat short cycling, prolonged off-cycles, cooling/heating switch issues, and water leaks.
Indoor Humidity and Air Circulation
Troubleshooting high indoor humidity and adjusting air circulation.
Heating Troubleshooting (Heat Pumps)
Heat Pump Fan and Performance Issues
Addresses no heating fan, insufficient heating, and uneven temperature issues in heat pumps.
Heat Pump Defrost and Operation
Covers unit not defrosting and fan operation in constant mode but not automatic for heat pumps.
Heating Troubleshooting (Cooling/Electric Models)
Heating Element and Performance Issues
Addresses heating element not activating and inadequate heating issues in electric models.
Electric Heat Operation Issues
Fan Operation and Cycle Control
Troubleshoots fan operation in constant mode and long on/off cycles in electric heat models.
Electric Heat System Performance
Motor and Compressor Performance Issues
Troubleshoots fan motor, compressor not turning off, and compressor shut-off issues in electric heat.
Heating Performance and Efficiency
Addresses insufficient heating when cooling is adequate, and general heating performance.
Electric Heat System Performance (Continued)
Fan Motor and Compressor Operation
Troubleshoots fan motor and compressor operation issues in electric heat systems.
Heating Performance and Thermostat Control
Addresses insufficient heating and thermostat control problems in electric heat systems.
Wiring Diagrams (WS Series)
WS Series Wiring Diagram and Schematic
Detailed wiring diagram and schematic for WS series models, including component connections and switch logic.
Wiring Diagrams (WE Series)
WE Series Wiring Diagram and Schematic
Detailed wiring diagram and schematic for WE series models, including component connections and switch logic.
Wiring Diagrams (WY Series)
WY Series Wiring Diagram and Schematic
Detailed wiring diagram and schematic for WY series models, including component connections and switch logic.
Chassis Parts Breakdown
Electronic Control Box Assembly Diagram
Breakdown of the electronic control box and its components for WS, WE, WY series.
Electro-Mechanical Control Box Assembly Diagram
Breakdown of the electro-mechanical control box and its components for WS, WE, WY series.
Sleeve Parts Information
Sleeve Assembly Parts List
Lists parts related to the sleeve assembly, including panels, grilles, and screws for WS, WE, WY series.
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