Chery B11. Manual — part 136

Chery B11 Service Manual

Air Conditioner-67

Section 35 Automatic A/C System

The air condition for this vehicle has functions of heating and refrigeration, which applies a

control system of variable displacement compressor and expansion valve.

The AC refrigeration system works only under following conditions:

-

Engine is running

-

Ambient temperature is higher than –1 ℃℃

-

The blower switch is at a position of 1 to 4

When the refrigeration system is working, it can not only decrease the compartment temperature

and air humidity, but also make passengers more comfortable if the outside air humidity is very

high. Furthermore, it can prevent the fogging of windshield.

To achieve the best refrigeration effect, all the windows should be closed when the refrigeration

system is working.

Description

█ The following figure shows the control panel of A/C system.

Controls of A/C system

Push button 1: cycle switch

2: A/C display Panel

Push button 3-fan control

The fan has six speeds.

The blower should be placed at lower position when the vehicle is driving under low speed.

1

2

3

5

4

6

7

8

9

Chery B11 Service Manual

Air Conditioner-68

Knob 4-temperature control

Clockwise-hot

Anticlockwise-cold

The knob can adjust the air temperature steplessly. The refrigerant will be increased after turning
the switch anticlockwise when the refrigeration system is working.

Push button 5: Auto mode

Push button 6: A/C off

Push button 7: air flow mode

The air flow mode is changed every time after this button is pressed:

Symbol

Air flow mode

Air flow to feet

Air flow to face

Air flow to feet and face

Push button 8-AC switch

Press “AC” button to start the operation of refrigeration system. There is an indicator on each
button.

Push button 9-Defogging and defrosting switch

█

The switch is used for the defogging of windshield. Press the switch 9 and change the air
intake mode to outside re-circulation mode, the defogging will also function.

Economical Operation of A/C System

The AC compressor has to use the engine power for refrigeration, thus increase the fuel

consumption. In order to reduce the AC system operation time, pay attention to the followings:

█

The inside of vehicle compartment is very hot due to sun shining, we suggest to open the
windows or doors for the flowing of hot air.

█ Do not turn on the AC system during driving when the windows are open.

Clarification

█

The air inlet in front of windshield shall not be blocked by ice, snow or leaves to ensure the

Chery B11 Service Manual

Air Conditioner-69

normal operation of heating and ventilation system.

█ The heating performance is determined by the engine coolant temperature. Therefore, only if

the engine is warming up, can the heating system functions normally.

█ The dirty air in the compartment escapes from the side lining in luggage compartment. So be

careful not to block the air ventilation hole when loading luggage.

█ All the control components can be set on any positions except knob A and key D.

█ In high temperature and high humidity, the water may drop from the evaporator because the

water in air is condensing on the evaporator, and maybe lots of water can be found on the
floor, which is normal but not leaking.

█ In order not to be covered by fog, the blower should be placed at a lower position when

driving at low speed (knob A).

Statements on the A/C System

█

In the case of high outside air temperature and air humidity, it is possible that the condensed
water may drop off from the evaporator and they will generate a pool of water under the
vehicle. This is a normal phenomenon rather than leakage.

█ It is recommended not to let the cold air directly blow your body.

Chery B11 Service Manual

Air Conditioner-70

Section 36 Description of B11 A/C Control Panel

Key

Function

Detailed Description

Inside/outside

re-circulation

cycle

Shifting between inside re-circulation

and outside re-circulation

1.

If the key is pressed for one time, the actuator shifts

the operation condition of inside or outside air

re-circulation for one time.

2.

If it is changed to inside air re-circulation, the blower

voltage is lowered for 1V (which is run within

4.9~10V). if changed to outside air re-circulation, the

voltage return to its original status.

3.

The key does not affect AUTO mode.

Temperature

adjusting

1.

Adjust the set temperature, which

is stepless.

2.

The temperature is adjusted every

0.5

(increase 0.5

if turn

℃

℃

clockwise for one grade, decrease

0.5

if turn anticlockwise for 1

℃

grade).

3.

If the rotary button is pressed,

outside temperature will display

for 3s, and it return to set

temperature if press it again.

1.

Under AUTO mode, adjust the set temperature of the

system. under MANUAL mode, the temperature set

value lead to the air mix damper directly.

2.

The key does not affect AUTO mode.

3.

During the period (3s) of displaying outside

temperature, the rotation of rotary button will not

change the set temperature.

4.

The range of set temperature is 18~32

, it displays

℃

LO if lower than 18

, and HI if higher than 32

.

℃

℃

AUTO

Shift to operation mode AUTO

1.

The system will adjust the air flow rate of blower,

position of air mix damper, AC status and

inside/outside air switch according to change of the

set

temperature,

outside

temperature,

and

compartment temperature.

2.

The default status of airflow mode is airflow to feet

and face (FD mode), which can be changed by

MODE key. And AUTO key functions separately

from MODE key.

3.

Defrosting key is related to wiper, i.e., the AC system

will be in defrosting mode automatically if wiper is

started (while air flow rate etc. is not changed).

4.

The working of compressor is determined by the set

temperature (if set temperature is higher than 28

,

℃

the compressor will not work).

5.

The system will shift to inside re-circulation mode if