Valeo REVO-E - Page 88

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Valeo Thermal Commercial Vehicles Germany GmbH

Friedrichshafener Str. 7 - Tel. +49 (0)8105 7721-0 - Fax +49 (0)8105 7721-88982205 Gilching - Germany -

www.valeo-thermalbus.com - service-valeobus@valeo.com

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Table of Contents2
Content and Purpose5
General Safety Information6
Working with Pressurized Containers7
Abbreviations8
REVO-E HP Versions on the Volvo 79Xx Electric10
Total Overview of the Design and Components of the REVO-E Heat Pump11
Overview of High-Voltage Cable Harnesses / Components (400V AC / 600V DC)12
Cable Harnesses Overview (High-Voltage / Low-Voltage) in the REVO-E HP13
Design / Task and Function of the Assemblies14
General Function16
Functional Schematic of the REVO-E Heat Pump17
Functional Schematic of the REVO-E Heat Pump Volvo 7900 Electric18
Work Modes of the REVO-E Heat Pump in the Volvo 7900 Electric19
Heating and Ventilation Mode (HV Mode)20
Heating and Ventilation Mode Ready for Cooling21
Heating and Ventilation Mode Ready for Heat Pump Mode22
Cooling Mode23
Heat Pump Mode25
Operating Mode De-Icing) (Version HP+ Only)27
Operating Mode Oil Recovering (Version HP+ Only)28
Reheat Mode29
Waste Energy Mode30
Gas Charging Mode31
Refrigerant Circuit Function Schematic of the Heat Pump32
Refrigerant Circuit Function Schematic of the Heat Pump in the Cooling Mode33
Refrigerant Circuit Function Schematic of the Heat Pump in the Heat Pump Mode34
Way Reversing Valve Function Schematic35
General38
Table of Error Codes40
Error Codes41
General Visual Inspection46
Electrical Fuses47
PE Connection (Potential Equalizing)62
Compressor - Electrical Connections63
Safety Information64
Inspecting the Oil Level of the Compressor65
Safety Information66
Frequency Converter Removal/ Installation67
Install the Frequency Converter68
Refrigerant Compressor Removal/ Installation69
Comparing the Old/New Oil Level71
Remove the 600V AC Cable73
Install the 400V AC Cable74
Removal of the Condenser Module 90175
Safety Information75
Installation of the Condenser Module 90276
Expansion Valves Removal/ Installation 90377
Remove an Expansion Valve 90478
Install an Expansion Valve 90478
Filter Dryer Removal/ Installation 90579
- Remove the Filter Dryer 90579
Install the Filter Dryer 90579
Receiver Removal/ Installation 90579
- Remove the Receiver 90579
Install the Receiver 90579
Double Radial Blowers / Axial Fans Removal/ Installation 90680
- Remove a Double Radial Blower 90680
Install a Double Radial Blower 90680
Remove an Axial Fan 90680
Install an Axial Fan 90680
Recirculating Air Flap Actuator Motor Removal/ Installation 90781
- Remove the Actuator Motor 90781
Install the Actuator Motor 90781
Temperature Sensor (Duct / Recirculating Air Suction) Removal/ Installation 90781
- Remove the Duct Temperature Sensor (Blow-Out Temperature) 90781
Install the Duct Temperature Sensor (Blow-Out Temperature) 90781
Remove the Recirculating Air Suction Temperature Sensor (Passenger Compartment) 90781
Install the Recirculating Air Suction Temperature Sensor (Passenger Compartment) 90781
Suction Pressure Sensor Removal/ Installation 90882
- Remove the Suction Pressure Sensor 90882
Install the Suction Pressure Sensor 90882
High-Pressure Sensor Removal/ Installation 90882
- Remove the High-Pressure Sensor 90882
Install the High-Pressure Sensor 90882
Pressure Switch Removal/ Installation 90983
- Remove the Pressure Switch 90983
Install the Pressure Switch 90983
Compressor Suction and Pressure Lines Removal/ Installation 90983
- Remove the Pressure Line 90983
Install the Pressure Line 90983
Remove the Suction Line 90983
Install the Suction Line 90983
Solenoid Valve Removal/ Installation 91084
- Remove the Coil 91084
Install the Coil 91084
Remove the Screw-In Valve 91084
Install the Screw-In Valve 91084
Attachment a85

Valeo REVO-E - Page 88

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