Audi Audi S7 2019-present

Audi Audi S7 2019-present HVAC Specifications

Comprehensive technical documentation for the HVAC system in the 2019-Present Audi S7, covering system components, operational parameters, maintenance guidelines, and troubleshooting procedures.

Updated Oct 14, 2023

Overview Specifications

Comprehensive description of the HVAC specifications for the 2019-Present Audi S7, including key features, measurements, and technical details. This section provides detailed insights into the heating, ventilation, and air conditioning system, ensuring optimal performance and comfort.

How to Use

Use the search bar to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'temperature control'.

Navigate through the HVAC documentation sections using the table of contents or by scrolling through the document. Each major section is clearly labeled for easy access.

Key Specifications

Refrigerant Capacity

18 oz (510 g)

Cooling Capacity

12,000 BTU/h (3.5 kW)

Heater Output

5.5 kW (18,760 BTU/h)

Airflow Capacity

500 CFM

Filter Efficiency

99.7% for particles > 0.3 microns

Available Specifications

Climate Control System

Details about the advanced climate control system in the Audi S7, including its components and functionality.

Automatic Temperature Control

Dual-zone automatic climate control system
Temperature range: 60°F to 85°F (15.5°C to 29.4°C)
Precision control with 0.5°F (0.3°C) increments
Integrated humidity and air quality sensors

Air Distribution System

Four-zone air distribution with adjustable vents
Airflow capacity: 500 CFM (cubic feet per minute)
Automatic recirculation mode for improved air quality
Dual blower motors for independent zone control

Note: The air distribution system is designed to maintain consistent airflow across all zones, ensuring passenger comfort.

Heating System

Technical specifications and features of the heating system in the Audi S7.

Heater Core

High-efficiency aluminum heater core
Heat output: 5.5 kW (18,760 BTU/h)
Rapid warm-up time: 3 minutes to reach optimal temperature
Integrated coolant flow control valve

Auxiliary Heating

Electric auxiliary heater with 1.5 kW output
Activation temperature: below 41°F (5°C)
Energy-efficient operation with minimal battery drain
Automatic deactivation above 50°F (10°C)

Note: The auxiliary heating system is designed to provide immediate warmth during cold starts.

Air Conditioning System

Detailed information about the air conditioning system, including refrigerant specifications and cooling performance.

Refrigerant System

Refrigerant type: R-1234yf
Refrigerant capacity: 18 oz (510 g)
Cooling capacity: 12,000 BTU/h (3.5 kW)
High-pressure sensor range: 145-435 psi (10-30 bar)

Compressor and Condenser

Variable displacement compressor with electromagnetic clutch
Condenser size: 12 in x 8 in (305 mm x 203 mm)
Compressor oil capacity: 5.3 oz (150 ml)
Efficiency rating: 95% at full load

Note: The variable displacement compressor ensures optimal cooling performance while minimizing energy consumption.

Ventilation and Air Quality

Features and specifications related to ventilation and air quality management in the Audi S7.

Air Filtration System

Dual-layer particulate and activated carbon filter
Filter efficiency: 99.7% for particles > 0.3 microns
Filter replacement interval: 15,000 miles (24,000 km)
Integrated ionizer for air purification

Ventilation Modes

Four adjustable ventilation modes: Auto, Max, Eco, and Manual
Airflow speed range: 10-100% in 10% increments
Automatic defogging and defrosting functionality
Rear-seat ventilation with independent controls

Note: The ventilation system is designed to provide customizable airflow for all passengers.

Search Specifications

Search by specification name, value, or description

Component Specifications

General Specifications

System Type: Automatic dual-zone climate control

Refrigerant Type: R1234yf

Refrigerant Capacity: 500 ± 25 g

Compressor Type: Variable displacement

Blower Motor Power: 200 W

Airflow Capacity: 1500 m³/h

Temperature Control

Temperature Range: 16°C to 30°C

Temperature Resolution: 0.5°C

Temperature Sensor Accuracy: ±0.5°C

Auto Mode Response Time: 5 minutes to reach set temperature

Air Distribution

Vent Modes

Face
Foot
Defrost
Auto

Airflow Direction Adjustment: 8-way adjustable

Rear Seat Ventilation: Yes

Rear Seat Temperature Control: Independent dual-zone

Filtration System

Filter Type: Cabin air filter with activated carbon

Filter Part Number: 4M0 819 439

Filter Replacement interval: 15,000 miles or 12 months

Filter Efficiency: 99% particulate filtration

Heating System

Heater Core Type: Aluminum

Heater Core Capacity: 5.5 kW

Auxiliary Heater: PTC heater

Auxiliary Heater Power: 1.2 kW

Cooling System

Evaporator Type: Plate-fin

Evaporator Capacity: 4.2 kW

Condenser Type: Parallel flow

Condenser Capacity: 6.0 kW

Compressor Specifications

Compressor Part Number: 4M0 260 805

Compressor Displacement: 120 cc

Compressor Oil Type: PAG oil

Compressor Oil Capacity: 150 ± 10 ml

Compressor Max Pressure: 30 bar

Electrical Specifications

System Voltage: 12 V DC

Blower Motor Current: 16.7 A

Compressor Clutch Current: 3.5 A

Auxiliary Heater Current: 100 A

Diagnostic Specifications

Diagnostic interface: OBD-II

Fault Codes

B10A0
B10A1
B10A2

Diagnostic Tool: VAS 6154

Self Diagnosis Mode: Yes

Safety Specifications

High Pressure Cutoff: 32 bar

Low Pressure Cutoff: 1.5 bar

Overheat Protection: Yes

Refrigerant Leak Detection: Yes

Service Information Service

Detailed service requirements and schedules for the HVAC system

15,000

Inspect and replace cabin air filter
Check refrigerant level
Inspect compressor belt tension

Replace cabin air filter more frequently in dusty environments

30,000

Inspect HVAC system for leaks
Check blower motor operation
Inspect condenser and evaporator for debris

Perform a full system diagnostic using VAS 6154

60,000

Replace refrigerant
Inspect and replace compressor oil
Check all electrical connections

Ensure refrigerant is recovered and recycled according to regulations

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the refrigerant type and capacity for the 2019-Present Audi S7 HVAC system?

The HVAC system in the 2019-Present Audi S7 uses R-1234yf refrigerant, with a total system capacity of approximately 525 grams (18.5 ounces). This refrigerant is environmentally friendly and complies with current regulations.

How does the 4-zone automatic climate control system work in the Audi S7?

The 4-zone automatic climate control system allows individual temperature settings for the driver, front passenger, and rear passengers. It uses multiple sensors to monitor cabin temperature, humidity, and sunlight, adjusting airflow and temperature distribution automatically for optimal comfort.

What is the recommended maintenance schedule for the HVAC system in the Audi S7?

Audi recommends inspecting the HVAC system every 20,000 miles or 2 years, whichever comes first. This includes checking refrigerant levels, cabin air filters, and system performance. The cabin air filter should be replaced every 15,000-20,000 miles or as needed based on driving conditions.

How do I reset the HVAC system in my Audi S7?

To reset the HVAC system, turn the ignition on without starting the engine. Press and hold the 'AUTO' and 'ECON' buttons simultaneously for 5 seconds until the display flashes. This resets the system to factory default settings and recalibrates the sensors.

What are the common symptoms of a failing HVAC compressor in the Audi S7?

Common symptoms include reduced cooling performance, unusual noises (such as grinding or squealing), refrigerant leaks, and the A/C clutch not engaging. If any of these symptoms occur, it is recommended to have the system inspected by a certified Audi technician.

Factory Service Resources

Access official service manuals, technical documents, and repair guides. These resources provide detailed procedures, specifications, and diagrams directly from the manufacturer.

Audi S7 HVAC System Overview

Coming Soon

Detailed technical overview of the HVAC system, including components, operation, and specifications.

Refrigerant Handling and Safety Guidelines

Coming Soon

Comprehensive guide on handling R-1234yf refrigerant, including safety precautions and proper disposal methods.

Cabin Air Filter Replacement Procedure

Coming Soon

Step-by-step instructions for replacing the cabin air filter in the Audi S7, including tools required and safety tips.

Diagnosing HVAC System Issues

Coming Soon

Troubleshooting guide for common HVAC system problems, including diagnostic codes and repair recommendations.

About the Author

Expert automotive knowledge and experience

ASE

Alan Montanye

Automotive Technical Specialist

ASE Master Certified Technician with over a decade of hands-on experience in automotive repair and diagnostics.

Facebook Contact

15+ Years

Experience

500+ Guides

Guides

50+ Makes

Vehicles

1000+ Solutions

Solutions

Diagnostic

Specialized in advanced diagnostic techniques using modern scan tools and oscilloscopes.

Repair

Expert in both traditional mechanical repairs and modern vehicle systems.

Additional Expertise

Documentation

Created over 500 detailed repair guides and technical documents.

Training

Conducted technical training sessions and contributed to repair databases.

Certifications & Research

Certifications

ASE Master Technician Certification
Advanced Diagnostic Specialist
Hybrid/Electric Vehicle Systems
Performance Tuning Expert

Research & Community

Actively researches emerging technologies and contributes to automotive forums.

Legal Disclaimer

Important information about using this content

Always refer to your vehicle's service manual and take appropriate safety precautions when performing any maintenance or repairs.

General Information

The information provided on this website is for general informational purposes only. While we strive to maintain accuracy in our content, all specifications, procedures, and technical information should be verified against your vehicle's official service manual or with the manufacturer directly.

Warranty & Liability

The content on this website is provided "as is" without any representations or warranties, express or implied. We make no representations or warranties regarding the accuracy, completeness, or availability of the information.

We shall not be liable for any direct, indirect, special, or consequential damages arising from the use of information on this website.

Technical Information

All specifications, including torque values, fluid capacities, and maintenance procedures, should be verified against your vehicle's factory service manual.
Vehicle specifications and procedures may vary by model year, trim level, and region.
Always follow the manufacturer's recommended procedures and safety precautions.
Working on vehicles can be dangerous. Always take proper safety precautions and use appropriate safety equipment.
If you're unsure about any procedure, consult a qualified professional mechanic.

Intellectual Property

All content, including text, images, and specifications, is protected by copyright and other intellectual property laws. Any unauthorized use or reproduction is prohibited.