Friedrich R-410A service manual Table Of Contents

Table Of Contents
Important Safety Information	2-4
Introduction	5
Model and Serial Number Location	5
Unit Identification	6
Performance Data and Specifications	7
Installation Information/Sleeve Dimensions/Circuit Rating	8
Electrical Data	9
Before Operating the Unit	10
Control Panel Operation	11
Alerts	12-14
Remote Control Operation	15-16
Electronic Control System Maintenance Operation	17-20
Unit Operation	21
Cool-Heat Set Points	22
Electronic Control Sequence of Operation	23-29
Unit Operation with a Wall-Stat	29
Removing the Front Cover and Unit Chassis	30
Replacing the ID Coil Thermistor	31
Replacing the Control Board	31
Low Voltage Interface Connector	32
Replacing the ID Coil Thermistor	31
Remote Wall Thermostat	32-33
Airflow Selection and Adjustment	33
Components Testing	34-35
Refrigeration Sequence of Operation	36-37
Sealed Refrigeration System Repairs	38-41
Hermetics Components Check	42
Reversing Valve Description/Operation	43
Testing the Coil	44
Checking the Reversing Valve	44-45
Compressor Checks	46-47
Compressor Replacement	48-49
Routine Maintenance / Battery Check / Change	50-53
Service and Assistance	54
Performance Test Data Sheet and Sizing Guide	55
Error Codes and Alarm Status	56
Troubleshooting	57-66
Electronic Control Board Components Identification	67
Wiring Diagrams	68-75
Thermistors' Resistance Values	76
Remote Control Replacement Instructions	77-78
User Interface Service Kit	79
Instructions for Using Cooling Load Estimate Form	80
Cooling Load Estimate Form	81
Heat Load Form	82-83
Warranty	84

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