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Technical Note 6001A
TTY
Air conditioning
All types
General procedures
Edition 3
77 11 327 562
AUGUST
2004
Edition Anglaise
"The repair methods given by the manufacturer in this document are based on the technical
specifications current when it was prepared.
The methods may be modified as a result of changes introduced by the manufacturer in the
production of the various component units and accessories from which his vehicles are
constructed."
All copyrights reserved by Renault.
The reproduction or translation in part of whole of the present document, as well as the use
of the spare parts reference numbering system, are prohibited without the prior written
consent of Renault.
© Renault s.a.s. 2005
Air conditioning
Air conditioning ContentsPage
Contents
Page
62A
AIR CONDITIONING
General information
62A-1
Air conditioning: Precautions
for repair
62A-6
Consumables
62A-7
Air conditioning: Function of
components
62A-13
Air conditioning: Check
62A-21
Fault finding
62A-22
Coolant circuit check
62A-24
Coolant circuit Draining -
Refilling
62A-27
Evaporator: Cleaning
62A-30
AIR CONDITIONING
General information
62A
Some vehicles now have a climate control system
combining the heating system (production of warm air)
with the air conditioning system (production of cold air),
to cope with the discomfort caused by weather condi-
tions (heat waves, cold snaps, etc.).
The climate control system controls the passenger
compartment's internal temperature as well as on the
humidity level of the air to increase comfort for the oc-
cupants.
In some situations (prolonged parking in direct sunli-
ght), the temperature can become difficult to bear or
even present a genuine hazard. To obtain an accepta-
ble comfort level quickly, evacuate the overheated air
by leaving the doors open for a few minutes, then start
the vehicle and activate the climate control; it can also
be used to demist the windows more quickly in cold
weather by drying the air.
IMPORTANT
Never exceed a temperature difference between the
exterior and interior of more than 20˚C, as this
could cause the occupants to catch cold.
Note:
- Keep the windows closed when using the air con-
ditioning to improve efficiency of the latter,
- Use air recirculation to supplement the air condi-
tioning in very hot weather: however, only use air
recirculation for a maximum of
10 minutes
since
this function, though sometimes limited automati-
cally, isolates the passenger compartment from
the exterior by reusing the internal air, which thins
the oxygen inhaled and increases the humidity
level,
- Use the air conditioning regularly throughout the
year to keep it in good condition.
62A
-
1
AIR CONDITIONING
General information
62A
18
7
20
15
13
9
19
6
5
16
13
12
8
1
4
10
14
11
2
3
17
91096
(
6
)
Expansion valve
(
1
)
Compressor
(
7
)
Evaporator
(
2
)
Condenser
(
8
)
Low pressure valve
(
3
)
Dehydration canister
(
9
)
Air conditioning blower
(
4
)
Pressure sensor
(
10
)
Engine cooling fan
(
5
)
High pressure valve
(
11
)
Cooling radiator
62A
-
2
AIR CONDITIONING
General information
62A
(
12
)
High pressure fluid
(
13
)
Low pressure vapour
(
14
)
High pressure vapour
(
15
)
Passenger compartment
(
16
)
Engine compartment
(
17
)
External air
(
18
)
Towards air mixing unit
(
19
)
Scuttle panel bulkhead
(
20
)
External or recirculated air
62A
-
3
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