Valeo REVO-E - Table of Contents

1
REVO-E Heat pump Content
1 Introduction
1.1 Content and purpose 101
1.2 Validity of the workshop manual 101
1.3 Meaning of emphasis 101
1.4 Symbols 101
1.5 Additional documentation to be used 101
1.6 Safety information and condition 101
1.6.1 General safety information 102
1.6.2 Working with high-voltage air-conditioning systems 102
1.6.3 Working with refrigerants 102
1.6.4 Working with pressurized containers 103
1.6.5 Technical rules for pressurized gases (TRG) 103
1.6.6 Waste and residual materials 103
1.7 Suggestions for improvement and change 103
1.8 Abbreviations 104
2 Technical specifications
3 Description of assemblies and components
3.1 REVO-E HP versions on the Volvo 79xx Electric 301
3.2 Total overview of the design and components of the REVO-E heat pump 302
3.3 Overview of high-voltage cable harnesses / components (400V AC / 600V DC) 303
3.4 Cable harnesses overview (high-voltage / low-voltage) in the REVO-E HP 304
3.5 Design / task and function of the assemblies 305
4 Function and functional schematics of the REVO-E Heat pump
4.1 General function 401
4.2 Functional schematic of the REVO-E heat pump 402
4.3 Functional schematic of the REVO-E heat pump Volvo 7900 Electric 403
4.4 Work modes of the REVO-E heat pump in the Volvo 7900 Electric 404
4.4.1 Heating and Ventilation Mode (HV Mode) 405
4.4.2 Heating and Ventilation Mode Ready for cooling 406
4.4.3 Heating and Ventilation Mode Ready for Heat Pump Mode 407
4.4.4 Cooling Mode 408
4.4.5 Heat Pump Mode 410
4.4.6 Operating Mode De-Icing) (Version HP+ only) 412
4.4.7 Operating Mode Oil Recovering (Version HP+ only) 413
4.4.8 Reheat Mode 414
4.4.9 Waste Energy Mode 415
4.4.10 Gas Charging Mode 416
4.5 Refrigerant circuit function schematic of the heat pump 417
4.5.1 Refrigerant circuit function schematic of the heat pump in the Cooling Mode 418
4.5.2 Refrigerant circuit function schematic of the heat pump in the Heat Pump Mode 419
4.5.3 4-way reversing valve function schematic 420
4.5.4 Refrigerant circuit function schematic of the heat pump with hot gas de-icing (
11123865_ only) 422
5 Troubleshooting
5.1 General 501
5.2 Malfunctions in the air-conditioning circuit 501
5.2.1 Causes of malfunctions in the air-conditioning system 501
5.2.2 What to do for malfunctions in the refrigerant circuit 501
5.2.3 Why the desired conditions are not reached when testing pressure 501