Audi Audi S8 2019-present

Audi Audi S8 2019-present HVAC Specifications

Explore the detailed technical specifications and operational details of the HVAC system in the 2019-Present Audi S8. Learn about system components, performance metrics, and diagnostic procedures.

Updated Oct 24, 2023

Overview Specifications

Comprehensive description of the HVAC specifications for the 2019-Present Audi S8, including key features, measurements, and technical details. This section covers the heating, ventilation, and air conditioning system, focusing on its advanced climate control capabilities, component specifications, and operational parameters.

How to Use

Use the search function to locate specific HVAC specifications by entering keywords such as 'blower motor', 'refrigerant capacity', or 'climate control zones'. Use exact terms for precise results.

Navigate through the HVAC documentation sections using the table of contents. Each major section is divided into subsections for detailed technical information.

Key Specifications

Maximum Airflow Capacity

12.5 m³/min

Refrigerant Capacity

550 ± 20 g

Heater Core Output

6.5 kW

Evaporator Cooling Power

3.5 kW

Filter Replacement Interval

15,000 miles or 12 months

Available Specifications

Climate Control System

Details about the advanced 4-zone automatic climate control system, including its components, operational features, and technical specifications.

4-Zone Automatic Climate Control

Independent temperature control for driver, front passenger, and rear passengers
Digital display for each zone with precise temperature settings
Air quality sensor with automatic air recirculation
Maximum airflow capacity: 12.5 m³/min
Temperature range: 16°C to 28°C (±0.5°C accuracy)

Air Distribution System

Multi-level air vents with adjustable airflow direction
Dual blower motors for front and rear zones
Airflow distribution: 60% front, 40% rear
Automatic defrost and demist functions
Note: Airflow distribution can be manually adjusted via the MMI system

Note: The system uses a combination of sensors to optimize airflow distribution based on cabin conditions.

Heating and Cooling Components

Technical specifications and details about the heating and cooling components, including the heater core, evaporator, and refrigerant system.

Heater Core

High-efficiency aluminum heater core
Heat output: 6.5 kW at maximum engine temperature
Coolant flow rate: 12 L/min
Integrated temperature control valve
Note: Heater core performance is optimized for rapid cabin warming

Evaporator and Refrigerant System

Evaporator capacity: 3.5 kW cooling power
Refrigerant type: R1234yf (environmentally friendly)
Refrigerant capacity: 550 ± 20 g
Compressor type: Variable displacement
Note: The system includes a refrigerant pressure sensor for safety monitoring

Air Filtration and Quality

Information about the air filtration system, including the particulate filter, activated carbon filter, and air quality monitoring.

Particulate and Activated Carbon Filters

Dual-layer particulate filter with 99% efficiency for PM2.5 particles
Activated carbon filter for odor and gas removal
Filter replacement interval: 15,000 miles or 12 months
Filter dimensions: 250 mm x 150 mm x 25 mm
Note: Filter status is monitored and displayed in the MMI system

Air Quality Sensor

Integrated air quality sensor with real-time monitoring
Automatic air recirculation in high-pollution conditions
Sensor response time: <2 seconds
Note: The system can be manually overridden via the climate control settings

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 ± 20 g

Compressor Type: Variable Displacement

Blower Motor Power: 200 W

Air Filter Type: Cabin Air Filter with Activated Carbon

Temperature Control

Temperature Range: 16°C to 30°C

Temperature Resolution: 0.5°C

Temperature Sensor Accuracy: ±0.5°C

Auto Mode Response Time: 5-10 seconds

Airflow Specifications

Max Airflow Rate: 1200 m³/h

Airflow Direction Control

Face
Foot
Defrost
Combined

Blower Speed Levels: 8

Recirculation Mode Flow Rate: 800 m³/h

Heating System

Heater Core Type: Aluminum

Heater Core Capacity: 5 kW

Max Heating Temperature: 60°C

Heater Control Valve Type: Electronically Controlled

Cooling System

Evaporator Type: Plate and Fin

Evaporator Capacity: 4.5 kW

Condenser Type: Parallel Flow

Condenser Capacity: 6 kW

Compressor Oil Type: PAG 46

Compressor Oil Capacity: 120 ± 10 ml

Air Quality System

Air Quality Sensor Type: Particulate Matter and VOC Sensor

Filter Efficiency: 99% for PM2.5

Ionizer Present: true

Ionizer Voltage: 5 kV

Air Quality Auto Mode: true

Control interface

Display Type: 8.6-inch Touchscreen

Control Units

Front Panel
Rear Panel
Audi MMI

Voice Control Support: true

Remote Control Via App: true

Electrical Specifications

System Voltage: 12 V DC

Max Current Draw: 15 A

Fuse Rating: 20 A

Wiring Harness Part Number: 4M0971600A

Control Module Part Number: 4M0907044B

Maintenance Specifications

Cabin Filter Replacement Interval: 15,000 miles or 12 months

Refrigerant Check interval: 30,000 miles or 24 months

Compressor Belt inspection Interval: 50,000 miles

System Leak Test interval: Every 2 years

Lubrication Points

Compressor Shaft
Blower Motor Bearings

Diagnostic Specifications

Diagnostic interface: OBD-II

Fault Code Readout: Via Audi MMI or VAS Diagnostic Tool

Common Fault Codes

B10A1
B10A2
B10A3

Self Diagnosis Mode: true

System Pressure Test Points

High Side
Low Side

Service Information Service

Detailed service requirements and schedules for the HVAC system

15,000

Replace Cabin Air Filter
Inspect Blower Motor
Check Refrigerant Levels

Ensure use of OEM parts for filter replacement

30,000

Perform Refrigerant Leak Test
Inspect Compressor Belt
Check Electrical Connections

Use R1234yf refrigerant only

50,000

Inspect and Lubricate Compressor Shaft
Check Condenser for Blockages
Test Air Quality Sensors

Replace compressor oil if necessary

Frequently Asked Questions

Find answers to common questions about torque specifications

What is the refrigerant type and capacity for the 2019-Present Audi S8 HVAC system?

The 2019-Present Audi S8 HVAC system uses R-1234yf refrigerant, with a total system capacity of approximately 525 grams (± 25 grams). This refrigerant is environmentally friendly and complies with EU regulations.

What is the airflow rate of the HVAC system in the Audi S8?

The HVAC system in the Audi S8 delivers a maximum airflow rate of 12.5 cubic meters per minute (m³/min) when operating at full capacity. This ensures rapid cooling or heating of the cabin, even in extreme weather conditions.

How does the 4-zone climate control system work in the Audi S8?

The Audi S8 features a 4-zone automatic climate control system, allowing individual temperature settings for the driver, front passenger, and rear left and right passengers. Each zone is equipped with its own sensors, air vents, and control unit, ensuring precise temperature regulation and comfort.

What is the power consumption of the HVAC system in the Audi S8?

The HVAC system in the Audi S8 has a maximum power consumption of approximately 5.5 kW when operating at full capacity. This includes the energy used by the compressor, blower motor, and auxiliary heating or cooling components.

How often should the cabin air filter be replaced in the Audi S8?

The cabin air filter in the Audi S8 should be replaced every 15,000 to 20,000 miles or once a year, whichever comes first. A clogged filter can reduce HVAC efficiency and air quality inside the cabin.

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 S8 HVAC System Overview

Coming Soon

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

R-1234yf Refrigerant Handling Guide

Coming Soon

Step-by-step guide for safely handling and servicing R-1234yf refrigerant in Audi vehicles.

4-Zone Climate Control User Manual

Coming Soon

Comprehensive user manual for operating and troubleshooting the 4-zone climate control system in the Audi S8.

Cabin Air Filter Replacement Procedure

Coming Soon

Detailed instructions for replacing the cabin air filter in the Audi S8, including tools required and safety precautions.

About the Author

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