Chery A15 / 480 LHD model. Manual — part 5

position if the bent is found.

Installation of Condenser

(1) Use some self-tapping screws to secure the

condenser and radiator, and assemble the related
screw bush and spacer, with the tightening torque
of 6±0.6N·m;

(2) Use the bolts (M6) and spacer to secure the

condenser support on the front crossbeam, with the
tightening torque of 1.5±0.15N·m;

(3) Assemble the integrated condenser-radiator into the

related fixing holes;

(4) Use spacer, shim block and two nuts to fasten the

condenser and front crossbeam, where the tightening
torque of nut is 1.5±0.15N·m.

The condenser is designated to cool the coolant vapor
discharged from the compressor and condense the vapor
to make it give off its heat and become to the coolant
fluild.

Chery A15LHD adopts the serpentine condenser, as
shown in the figure. The condenser is secured with
engine radiator in a row, and there is an axial fan, which
is driven by a DC motor, behind them to forcedly cool
the condenser and radiator.

Introduction to the fluid reservoir:

Removal/Installation (see the Removal of Condenser)

Chery A15LHD’s fluid reservoir is located under the
condenser (i.e., the outlet of condenser), the structure of
which is shown in the figure.

In fact, the fluid reservoir is a pressure container used to
store the coolant, and it is available to delivery the
fluid-state coolant to the expansion valve at a specified
flow rate. The filter screen of fluid reservoir is applied to
filter the all kinds of foreign materials from the coolant.
The drying agent silicon oxide with powerful water
absorptivity is filled in the drying unit, which is used to
absorb the water content in the coolant. In addition, a
fusible plug is also installed on the reservoir. If the poor
heat emission of condenser or other causes result the
rapid rise of temperature and pressure of the

refrigeration system, the fusible plug will metal so as to
drain off the high-temperature and high-pressure coolant
when the temperature and pressure inside the reservoir
reach the specified value, which protects the
refrigeration system.

4. Introduction to the expansion valve and pressure
switch

1) Expansion valve

Chery A15LHD adopts the traditional thermo-expansion
valve, as shown in the figure, fixed on the inlet/outlet
pipes of evaporator.
The temperature sensor inside the expansion valve
adjust the opening of ball valve in accordance with the
temperature of coolant located at the evaporator outlet,
the purpose of which is to control the flow rate of
coolant.

2) Pressure switch

Chery A15LHD’s A/C pressure switch adopts the
dual-pressure (high and low pressures) and four-wire
pressure switch which is installed on the high pressure
pipe located at the front end of expansion valve, with 50
PSI or more of low-pressure CLOSE operation and
220 PSI or more of high-pressure CLOSE operation

5. Removal/Installation and inspection of evaporator

(1) Drain off the coolant from the system (see the

coolant recycling procedure)

(2) Remove the expansion valve

(3) Remove

the

instrument

panel

(see

the

Disassembly/Assembly of Instrument Panel)

(4) Remove the control panel trim plate, and 4

self-tapping screws used to secure the control panel
and console. (tightening torque of 1.5±0.2N·m)

(5) Remove 1 bolt (M8*25) and 4 nuts secured with the

steering crossbeam and front side respectively
(tightening torque of 3.5±0.2N·m) from the fixed
evaporator.

(6) Remove the four bolts from the evaporator.

Inspection of evaporator:

(1) Check the crack, damage or oily fluid leakage.

·

Replace the evaporation unit if any failure above

occurs.

(2) Check the bent of fender.

·

Use a flat headed screwdriver to straighten it if a bent

is found.

The Chery A15LHD adopts the tube-fin type evaporator
which is installed in the air conditioning unit assy. under
the instrument panel.

The function of evaporator is opposite to that of
condenser. After expanded in the expansion valve, the
coolant fluid absorbs the heat inside the vehicle from the
evaporator, and evaporates to the coolant gas, then
enters into the compressor to circulate.

Introduction to the evaporator temperature sensor
(thermostat):

The evaporator temperature sensor used by the Chery
A15LHD is the heat-sensitive tube mechanical type
temperature regulator, which is closed when the working
temperature is adjusted to 4

or more while

℃

disconnected when adjusted to 4

or below. Its

℃

installation position is just under the evaporator, as
shown in the figure.

The tightening parameters of A/C pipe fasteners

Inner hexagonal head bolt (M10) secured in the
compressor: 30N•m;
Inner hexagonal head bolt (M6) secured in the
expansion valve: 7N•m;
To connect with condenser inlet pipe and tighten the
nuts: 32 N•m;
To connect with condenser outlet pipe and tighten the
nuts: 11.9 to 13 N•m;

FAILURES AND SHOOTING ANALYSIS SHEET

1. Precautions on A/C system installation

(1) For the pipes fixed using the fixing nuts, two

wrenches must be applied to ensure that the
pipes don't deform or break;

(2) Do not use the compressed air to clean the pipes,

and the nitrogen or coolant gas is available;

(3) Correctly assemble it, and check the tightening

torque of all connections as required;

(4) Check all parts to ensure that they aren’t damaged

and all adjacent parts don’t interfere each other;

(5) Conduct the leakage test to ensure there is no

leakage in the A/C system.