Friedrich PTAC - R410A service manual Important Safety Information

Page 4

IMPORTANT SAFETY INFORMATION

The information contained in this manual is intended for use by a qualifi ed service technician who is familiar with the safety procedures required for installation and repair, and who is equipped with the proper tools and test instruments required to service this product.

Installation or repairs made by unqualifi ed persons can result in subjecting the unqualifi ed person making such repairs as well as the persons being served by the equipment to hazards resulting in injury or electrical shock which can be serious or even fatal.

Safety warnings have been placed throughout this manual to alert you to potential hazards that may be encountered. If you install or perform service on equipment, it is your responsibility to read and obey these warnings to guard against any bodily injury or property damage which may result to you or others.

Your safety and the safety of others are very important.

We have provided many important safety messages in this manual and on your appliance. Always read and obey all safety messages.

This is a safety Alert symbol.

This symbol alerts you to potential hazards that can kill or hurt you and others.

All safety messages will follow the safety alert symbol with the word “WARNING” or “CAUTION”. These words mean:

WARNING

CAUTION

You can be killed or seriously injured if you do not follow instructions.

You can receive minor or moderate injury if you do not follow instructions.

All safety messages will tell you what the potential hazard is, tell you how to reduce the chance of injury, and tell you what will happen if the instructions are not followed.

NOTICE

A message to alert you of potential property damage will have the word “NOTICE”. Potential property damage can occur if instructions are not followed.

2

Image 4
Contents Ptac R410A Models Technical Support Contact Information Table of Contents Important Safety Information Your safety and the safety of others are very importantPersonal Injury or Death Hazards Introduction Mechanical HazardsGeneral Product Features Digital Packaged Terminal Air Conditioners & Heat Pumps Component Identification Accessories Pxfta Unit Identification Chassis Specifications Cooling & Heating Performance PDE 265V Extended Cooling Performance Electric Heat Data Electrical Rating Tables Power Cord Information 230/208V Models onlyElectric Shock Hazard Electrical Wiring for 265 Volt Models To Chassis Junction Remote Control Thermostat Installation Desk Control Terminals Friedrich Digital Control Features Digital Temperature+*&-.4-*2+4 DIP Switch #$%&#*%&+,-*&./0#&1!0*$#Digital Control Diagnostics Malfunction Analysis Fan can’t run or the fan speed is too slowKeep the air tightness well. Try not to use the electic Supply voltage is abnormal Components Testing CapacitorsCapacitor Check with Capacitor Analyzer Capacitor ConnectionsHeater Elements and Limit SWITCHES’ Specifications Drain PAN ValveRefrigeration Sequence of Operation 410A Sealed Refrigeration System Repairs Equipment RequiredEquipment Must be Capable Risk of Electric ShockMethod Of Charging / Repairs Undercharged Refrigerant SystemsBurn Hazard Freeze HazardOvercharged Refrigerant Systems Restricted Refrigerant SystemHermetic Components Check Metering DeviceCheck Valve Capillary Tube SystemsReversing Valve DESCRIPTION/OPERATION Testing the CoilChecking the Reversing Valve Touch Test in Heating/Cooling Cycle Procedure For Changing Reversing ValveFire Hazard Compressor Checks External Overload Single Phase Resistance TestGround Test Recommended procedure for compressor replacement Compressor ReplacementHigh Temperatures Routine Maintenance Electrical Shock HazardTroubleshooting Chart Cooling Troubleshooting Chart HeatingSystem Cools When Heating is Desired Electrical Troubleshooting Chart Heat PumpYES Electronic Control Board Electronic Control Board Wiring Diagram Component IDRT6 5558+131!8 Resistance Table for Air Indoor Temperature Sensor Temp Resistance Friedrich Packaged Terminal AIR Conditioners and Heat Pumps Ptac Exploded View Ptac Parts List PDE Models Ptac Parts List PDH Models Friedrich AIR Conditioning CO