Opel Frontera UE. Manual - part 1243

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

1A–93

Automatic Air Conditioner Block Diagram

F01R100001

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1A–94

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Control Panel Layout

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Legend

(1) Auto Switch
(2) Mode Switch
(3) DEF Switch

(4) Intake Switch
(5) Fan Switch
(6) Air Conditioning Switch
(7) Temperature Control Knob

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HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

1A–95

Air Control Functions

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Legend

(1) Interior Air Intake
(2) Fresh Air Intake
(3) Evaporator Core
(4) Air Mix Door
(5) DEF Door
(6) VENT Door

(7) Foot Door
(8) Sub Air Mix Door
(9) Heater Unit

(10) Heater Core
(11) Evaporator Unit
(12) Blower Unit

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1A–96

HEATING, VENTILATION AND AIR CONDITIONING (HVAC)

Operation and Functions of Control Panel Switches

Auto Switch

1. Pressing this switch turns on the automatic control

mode.  It resets all manual switches except that for
the fan control.  However, when the Manual REC is
selected for the intake or the Manual Open is
selected, the modes are maintained.

2. It causes the A/C (air conditioner) to the ON mode

(this function, however, available only when the fan
is turned on and also the compressor is turned on
because of the given outside air temperature level).

Indication

• The AUTO LED comes on.

• Currently selected mode for the Mode and Intake are

respectively indicated.

• The A/C LED remains turned on even if the

compressor has been turned off because of the given
outside air temperature level.  Pressing the air
conditioning switch in this state turns off the A/C LED.   

Mode Switch

1. Pressing the VENT, B/L or FOOT switch selects the

corresponding mode.

2. When the Auto is selected for the Mode and Intake,

pressing the mode switch fixes the Intake to the
immediately preceding status.

Indication

• Turns off the Auto LED.

• Currently selected blow port is indicated.

DEF Switch

Press this switch to select the DEF mode.

*1: When the manual REC is selected for the Intake, the
manual REC is maintained.
*2: The ON mode is enabled only when the fun is turned
on, and also the compressor is turned on because of
the given outside air temperature level.
Indication

• The Auto LED is turned off.

• DEF is indicated for the blow port, A/C LED comes on

(only when the fan is turned on), and status display is
provided for the Intake and Cold Air Bypass.

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Blow port

Intake port

A/C

MIX

DEF

Auto FRESH *1

ON mode *2

Auto

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