air conditioning FORD KUGA 2011 1.G Manual PDF

Climate control
32
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4
5
6
789
E97591
Description
Item
Condenser
1
Air conditioning compressor
2
High pressure filling connection
3
Refrigerant drier
4Description
Item
Dual pressure switch
5
Low pressure filling connection
6
Low pressure limiting switch
7
Evaporator Core Orifice Tube
8
Evaporator assembly
9
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Fault Memory Interrogation without
diagnostics unit - vehicles with
automatic temperature control
NOTE:On vehicles equipped with a DVD
navigation system with touchscreen, the fault
memory can only be interrogated using the Ford
diagnostic tool.
The climate control and heating system features
a on-board diagnosis function which can detect
and store both current permanent faults as well as
intermittent faults which have occurred during
normal operation of the vehicle. It is also possible
to read out these faults via the display on the
control panel of the climate control system. To read
out the fault memory, the ignition key must be
turned to the "ON" position and the battery voltage
must be between 9 V and 16 V.
To activate the on-board diagnosis at the control
panel for the climate control system, PRESS the
"OFF" and "FOOTWELL" buttons simultaneously
for exactly 2 seconds, then PRESS "AUTO" within
1.5 seconds. The on-board diagnosis which then
starts lasts a few seconds. An animated display
appears in the display of the control panel for the
climate control system during this time. Any faults
found are displayed on both displays of the control
panel for the climate control system in the form of
trouble codes.
To read out saved errors at the control panel for
the climate control system, PRESS the "OFF" and
"FOOTWELL" buttons simultaneously for exactly
2 seconds, then PRESS "HEAD AREA" within 1.5
seconds. Any stored faults are shown on the
display of the control panel for the climate control
system and should be noted for safety reasons.
By PRESSING the "DEFROST" button, the fault
memory is cleared and diagnosis mode is ended.
To end the diagnostic mode without clearing the
DTCs, PRESS any other operating button on the
control panel for the climate control system.
To read out the software version at the control
panel for the climate control system, PRESS the
"OFF" and "FOOTWELL" buttons simultaneously
for exactly 2 seconds, then PRESS "A/C" within
1.5 seconds. The software version is shown on the
display of the control panel for the climate control
system. The output mode can be exited by
PRESSING any button on the control panel for the
climate control system.
Switch over from Celsius to Fahrenheit
The switch from Celsius to Fahrenheit is performed
on the display of the instrument cluster and is then
transmitted via the CAN bus to the module of the
two-zone air conditioning system.
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Air conditioning system - vehicles with manual temperature control
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E97576
HS-CAN
MS-CAN
Description
Item
Air conditioning compressor
1
Climate control system control assemblyRefer to Component Description: Control
assembly, climate control - vehicles with
manualtemperaturecontrol(page24)
2
Genetic electronic module (GEM).
3Description
Item
Ambient air temperature sensorRefer to Component Description:
Ambienttemperaturesensor(page26)
4
instrument cluster
5
High pressure limiting switch
6
Dual pressure switch
7
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Description
Item
Powertrain control module (PCM)
8Description
Item
9 Air conditioning clutch relay
Air conditioning system - vehicles with automatic temperature control
18
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7
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5
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4
E97577
HS-CAN
MS-CAN
MS-CAN
Description
Item
Air conditioning compressor
1
Climate control system control assemblyRefer to Component Description: Control
assembly, climate control - vehicles with
automatictemperaturecontrol(page25)
2Description
Item
Genetic electronic module (GEM).
3
Ambient air temperature sensorRefer to Component Description:
Ambienttemperaturesensor(page26)
4
instrument cluster
5
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Description
Item
High pressure limiting switch
6
Dual pressure switch
7Description
Item
Powertrain control module (PCM)
8
Air conditioning clutch relay
9
System Operation
Climate control housing
General overview
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3
E97261
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10
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Air flow – footwell
12
E69661
Description
Item
Warm air
1
Cold air
2
Climate control
Two options are available:
• manual climate control
• Air conditioning system with automatic
temperature control (DEATC)
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1
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4
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11
E100819
Description
Item
Condenser
1
Air conditioning compressor
2
Suction accumulator
3
Evaporator assembly
4
Blower motor
5Description
Item
Evaporator Core Orifice Tube
6
Cooling fans.
7
High - pressure (liquid and warm)
8
Low - pressure (liquid and cool)
9
Low pressure (gaseous and cold)
10
High pressure (gaseous and hot)
11
The engine driven refrigerant compressor (2) sucks
in gaseous refrigerant from the suction accumulator
and compresses it. The temperature of the
refrigerant rises to a value between 70 °C and 110
°C. It passes to the condenser (1) under high
pressure.
At this point heat is drawn from the refrigerant by
the air being forced past the cooling fins. Because
of this heat loss, the refrigerant liquefies and leaves
the condenser.
A fixed orifice tube (6), which separates the
refrigerant at high pressure from that at low
pressure, is located between the condenser and
the evaporator (5). This fixed orifice tube slows
down the flow of the refrigerant from the compressor, so that pressure builds up in the
condenser.
After passing through the fixed orifice tube the
liquid refrigerant expands in the circuit to the
evaporator, where it becomes gaseous. This
causes heat to be extracted from the air coming
into the vehicle. The air cools down, and excess
moisture contained in it is condensed and is
drained off. The refrigerant coming from the
evaporator flows into the refrigerant accumulator
and is again sucked in by the refrigerant
compressor.
The system is protected by a high-pressure limiting
switch, in order to prevent damage by excessive
pressure (e.g. because of overfilling with
refrigerant). If the pressure exceeds the maximum
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permitted, the high-pressure switch turns off the
refrigerant compressor.
The compressor on-off cycle is controlled by the
dual pressure switch depending on the pressure
in the refrigerant accumulator. The dual pressure
switch turns the refrigerant compressor off
permanently if the pressure falls below a permitted
value (e.g. if there is a leak).
Component Description
Air conditioning compressor
E100826
The special feature of a compressor with variable
swash plate is that the stroke of the pistons can
be varied by means of the variable swash plate.
The swash plate is mounted on a slide rail in the
axial direction.
The piston stroke and thus the delivery rate are
determined by means of the variable obliqueness
of the swash plate.
The obliqueness of the swash plate is dependent
upon the chamber pressure and thus on the
pressure conditions at the top and bottom of the
piston. This is supported by springs in front of and
behind the swash plate.
The chamber pressure is determined by the high
and low pressure applied to the control valve and
by a calibrated orifice bore. If the low pressure is
relatively high, the control valve is opened and the
chamber pressure is reduced.
If the low pressure is relatively low, the control
valve is closed and the chamber pressure is
increased. The force due to the chamber pressure
exerted on the piston bottom, is higher than the
sum of the force due to the low pressure on the
piston top and the spring force.
Pollen filter
E97720
The fresh air flowing into the vehicle through the
air inlet housing passes through a pollen filter which
is located on the left-hand side of the climate
control housing (LHD and RHD) and removes
pollen and dust particles measuring 0.003 mm or
more.
Control assembly, climate control -
vehicles with manual temperature control
E97721
In vehicles with manual temperature control, the
heating and air conditioning are operated using
three rotary switches. The air distribution flaps are
actuated via the air distribution flap/temperature
control flap actuating unit, which is connected via
a rod to the control assembly for the climate
control. The temperature control flap is also
actuated via the air distribution flap/temperature
control flap actuating unit, which is connected via
a cable to the control assembly. In addition, the
operating switch for recirculated air mode and the
on/off switch for the air conditioning are located on
the control assembly.
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Control assembly, climate control -
vehicles with automatic temperature
control
E97722
Vehicles with automatic temperature control have
a control assembly with the following button
operated functions:
• Switching the air conditioning system on andoff
• Temperature adjustment for the driver's side/front passenger's side
• Switching the windshield defrost function on and off
• Switching the electronic automatic climate control and the dual mode on and off
• Air distribution
• Blower Control
• Switching off the dual automatic climate control
• Recirculated air control
Control assembly, climate control -
vehicles with DVD navigation system with
a touch screen
E97723
On vehicles with a DVD navigation system with a
touch screen, the control buttons for the automatic
temperature control (climate control) are integrated in this unit. In addition, all heating and air
conditioning functions can be controlled via the
touchscreen. The information exchange takes place
on the mid-speed CAN bus (MS-CAN).
Climate control module - vehicles with DVD
navigation system with a touch screen
E97724
On vehicles with a DVD navigation system with a
touch screen, the climate control module is
provided as a separate component underneath the
DVD navigation unit. It is actuated via control
buttons or via the navigation touch screen.
Sun sensor - vehicles with automatic
temperature control
E97725
For vehicles with automatic temperature control
the sun sensor determines the intensity of the
sunload. The sunload serves as an additional
parameter for determining the blower air
temperature, the air distribution and the blower
speed.
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Air Conditioning (A/C) Compressor — 2.5L Duratec(147kW/200PS) - VI5(34 626 4)
Materials
Specification
Name
WSH-M1C231-B /
6U7J-M1C231-AA
Compressor Oil - Air
Conditioning
Removal
NOTE:
Removal steps in this procedure may
contain installation details. 1.
Refer to: Air Conditioning (A/C) System
Recovery, Evacuation and Charging (412-00
Climate Control System - General Information,
General Procedures).
2. Refer to: Air Conditioning (A/C) Compressor
Belt (303-05 Accessory Drive - 2.5L Duratec
(147kW/200PS) - VI5, Removal and
Installation).
3. CAUTION: Make sure that all openings are sealed.
2. Torque: 20Nm
3. Torque: 25Nm
E112667
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Installation
1.To install, reverse the removal procedure.
2. Coat the O-ring seals on the refrigerant lines.
Material: Compressor Oil - Air Conditioning
(WSH-M1C231-B / 6U7J-M1C231-AA)
refrigerant oil
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