Friedrich WS10B10 service manual Friedrich AIR Conditioning CO

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FRIEDRICH AIR CONDITIONING CO.

Post Office Box 1540 · San Antonio, Texas 78295-1540

4200 N. Pan Am Expressway · San Antonio, Texas 78218-5212

(210)357-4400 · FAX (210) 357-4490 www.friedrich.com

Printed in the U.S.A.

WM-ServMan (4-10)

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Contents Thru-the-wall Table Of Contents Important Safety Information Your safety and the safety of others are very importantRefrigeration System Hazards Introduction Property Damage HazardsFriedrich wallmaster Model Number Code Sleeve / Chassis Dimensions Performance DataElectrical Data Plug/Outlet/Circuit RatingElectric Shock Hazard Fire HazardTo adjust fan speed Electronic Control OperationTo activate Smart FanWS cool-only models To activate Smart FanWY/WE heat-cool modelsTo set the timer Checking Room TemperatureTo Activate Money Saver WY/WE models To set mode of operation To adjust temperatureTo start unit Error Code Mode Testing the Electronic ControlElectronic Control Panel Automatic component protectionError Codes Listing for WS Models Error Codes Listing for WE/WY ModelsReboot the Control Panel E7 Motor Operation E9 Heat Pump FailureComponents Testing Coil SensorsFAN Motor FAN Motor TestCapacitors Heating ElementDrain PAN Valve Capacitor Check with Capacitor AnalyzerRefrigeration System Sequence of Operation 410A Sealed System Repair Considerations Refrigeration system under high pressure410A Sealed Refrigeration System Repairs Equipment RequiredEquipment Must be Capable Risk of Electric ShockMethod Of Charging / Repairs Burn HazardFreeze Hazard Undercharged Refrigerant Systems Overcharged Refrigerant SystemsRestricted Refrigerant System Hermetic Components Check Metering DeviceCheck Valve Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION POSITION, 4 Port Reversing ValveTesting the Coil Checking the Reversing ValveProcedure For Changing Reversing Valve Touch Test in Heating/Cooling CycleExplosion Hazard Compressor Checks Single Phase Resistance Test Ground TestCompressor Replacement Recommended procedure for compressor replacementHigh Temperatures Rotary Compressor Special Troubleshooting and Service Routine Maintenance Sleeve / Drain Front CoverClearances Room AIR Conditioner Unit Performance Test Data Sheet Date Model SerialGeneral Troubleshooting Tips General Troubleshooting Tips Cooling only Room AIR Conditioners Troubleshooting Tips Possible Cause Possible Solution Problem Possible Cause Possible Action HEAT/COOL only Room AIR Conditioners Troubleshooting Tips Heat Pump Troubleshooting Troubleshooting Chart Cooling Troubleshooting Chart Heating Heat PumpProblem Electrical Troubleshooting Chart Heat Pump System Cools When Heating is DesiredYES Normal Function of Valve Malfunction of ValvePage Page Page Installation Accessories Mounting Hardware Provided Wall PreparationDescription QTY Installation Requirements MECHANICALCUT/SEVER HazardhazardInstallation Instructions for Baffle Adapter KIT BAK MECHANICALCUT/SEVER HazardWallMaster Thru-the-Wall CUT/SEVERInstallation Instructions Mechanical Hazard MECHANICALCUT/SEVER HazardAssembly & Installation Instructions Installation Instructions Subbase for WS, WE & WY Models Installation Instructions Architectural Grille Model AG MECHANICALCUT/SEVER Hazard WALLMASTER≤ THRU-THE-WALL AIR Conditioners Limited Warranty Technical Support Contact Information Page Page Friedrich AIR Conditioning CO
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