Land Rover Discovery Owners & Service Manuals

Land Rover Discovery: Auxiliary Climate Control

COMPONENT LOCATION

Auxiliary climate control auxiliary climate control

  1. Auxiliary climate control unit
  2. Fan speed control

OVERVIEW

The vehicle features a choice of air conditioning systems, with new features available to enhance the performance for second and third row seat passengers.

The system is available in two forms, with an optional rear air conditioning unit:

  • Manual air conditioning system
  • 2-zone climate control system, with separate LCD display controls for the driver and front passenger.

Vehicles with 5+2 seating have an optional auxiliary air conditioning unit for third row passengers, with a control for fan speed. Depending on the level of climate fitted to the vehicle the rear air conditioning temperature is controlled from the Touch Screen:

  • On vehicles with dual zone climate - Climate > Rear A/C
  • On vehicles with single zone manual climate - Home > Extra features > Rear A/C.

The rear air conditioning has a child lock function which disables the rear fan speed control switches. This is feature is accessed from the Touch Screen.

Third seats - fan speed control

Third seats - fan speed control

DESCRIPTION

The auxiliary climate control assembly is installed on the right side of the luggage compartment, behind the rear quarter trim panel.

The air conditioning system includes the following features:

  • B-pillar mounted mid-level vents for row 2 passengers
  • Face-level vents mounted in the C-pillar on vehicles with 5+2 seating, for row 3 passengers
  • A mist sensor on the windscreen, used to detect conditions likely to cause misting
  • An air quality sensor for detection of pollutant levels. When levels exceed set limits the system switches to re-circulation mode
  • ECO mode enables the system to adopt a more economical operating mode.

Air Conditioning Layout with Optional Independent Rear Air Conditioning Unit

Air Conditioning Layout with Optional Independent Rear Air Conditioning Unit

  1. B-pillar mounted mid-level vents for row 2 passengers
  2. Face-level vents mounted in the C-pillar on vehicles with 5+2 seating, for row 3 passengers
  3. Optional independent air conditioning unit.

OPERATION

Air Conditioning Refrigerant Circuit With Optional Auxiliary Rear Air Conditioning Unit

Air Conditioning Refrigerant Circuit With Optional Auxiliary Rear Air Conditioning Unit

  1. Condenser
  2. Internal heat exchanger
  3. Front evaporator
  4. Rear evaporator
  5. 5 Compressor
  6. Joints B High pressure side C Low pressure side D Hose E Sealed system F Thermal expansion valve G Block connector

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