Dacia Solenza (engine E7J). Manual - part 120

 

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Dacia Solenza (engine E7J). Manual - part 120

 

 

62

AIR CONDITIONING

62- 6

Operating principle

Air quantity  adjustment in cockpit
The flow of circulating air in cockpit is adjusted by rotating the (C) knob in the corresponding

positions for the four speed steps of the blower. The more speed step is bigger the more airflow
is bigger.

For a better efficiency of the windscreen defrosting or defogging, the (C) knob must be

placed on  the last position.

In order to complete closing of the cold air penetration, rotate the knob on “0” position.

Air conditioning AC
When pushing the (D) button, the starting / stopping of the air conditioning is ensured. If (D)

button is not pushed, the air conditioning is not working, ventilation being identical to the one of
a vehicle without air conditioning.

The use of air conditioning is enabling:

- lowering the air temperature in cockpit when the vehicle is driven in sunny places or

when the vehicle is stopped in the sunshine;

- reducing the humidity in cockpit (event facilitated by defogging).

Air conditioning can not be used at low outside temperatures. During air conditioning operation,

for a better efficiency, all windows must be closed.

Recycled air
When pushing the (E) button, the climate maintenance unit is working with cockpit recycled

air, without outside air  penetration.

Air recycling is enabling:

- isolation from outside atmosphere;
- faster reaching the desired temperature in cockpit.

Prolonged use of this function may lead to glasses fogging. Normal operation returning, with

outside air, is then  imposed, by  pushing the (E) button stopping the cockpit air recycling.

A

B

D

E

C

62

AIR CONDITIONING

62 - 7

Particles filter

DISMOUNTING

Dismount the protector of the climate con-

trol box.

Remove from clips the wiring towards

blower casing from the D.S.A.F.

Dismount then the particles filter protec-

tion cap from the  attachment screw by slid-
ing it towards front of the vehicle.

Extract the particles filter, by easy folding

it.

REMOUNTING

Remount in its place the particles filter per-

forming the  same dismounting operations.

REMARK :
Pay attention at the mounting direction

of the filter the two arrows (A) must be
lined up.

62

AIR CONDITIONING

62- 8

Cold air blowing device (DSAF)

TIGHTENING MOMENTS    (daNm)

Attachments screws of the expansion vale on the evaporator 0,6
Pipes attachment nut on evaporator

0,57

Tightening screw of the pipe  attachment clamp on  compressor 1,2
Pipes attachment nut on filter reservoir

1,4 – 2

Pipe attachment nut on condenser  ∫ “

1,8-2,2

Pipe attachment nut on condenser 5/8 “

1 – 1,4

Pressure controller

0,9 ± 0,1

DSAF is the heat-extracting component

from cockpit and is mounted in the climate
maintenance box.

In order to cool the cockpit, the warm air

must be absorbed and redistributed the
“cooled“ air. The warm air is going over the
evaporator to, which is transmitting part of  the
temperature, this one  being  gradually reduced.

In the same time, the refrigerant fluid which

is passing through the evaporator piping is
absorbing the heat from the air going over the
evaporator and at the same pressure, is
transformed from fluid to vapors. When coming
out from evaporator, the refrigerant fluid is in
vapor condition.

DISMOUNTING

Drain the AC unit.
Disconnect the battery.
Dismount:

- climate control protector;
- climate control box gasket;
- expansion vessel;
- engine air filter

Detach the front wiring from attachment clips

on the climate maintenance box closing plate.

Dismount the climate maintenance box

closing plate.

Dismount the nut (1) of the pipes attachment

clamp (2) on thermostatic expansion valves (3).

Mount protectors at the dismounted pipes.
Dismount the attachment screws (6) of the

thermostatic expansion valve.

Release the thermostatic expansion valve

and mount protectors.

Extract the sealing gasket (7).
Mount  protectors at the evaporator’s pipes (8).

2

3

1

4

9

10

7

5

62

AIR CONDITIONING

62 - 9

Cold air blowing device (DSAF)

Disconnect the climate maintenance blower

connector (11) (pull the red part towards arrow
A).

Dismount the attachment screws of the

steering wheel half-case and release from clips
detaching.

Dismount the upper part dashboard and

release it from clips.

Dismount the radio-cassettes player.

Disconnect the central locking switch

connector (if the vehicle is provided with central
locking).

Dismount the right air vent.
Dismount the DSAF  attachment screws on

cowl panel and attachment screws on climate
maintenance box and release it.

Dismount the attachment screws (9) of the

connection pipe (10) on the distributor of RACV
AC-ventilation air and release it.

REMOUNTING

Perform the dismounting operations in the

reverse order, taking into consideration that filter
reservoir is to be mounted the last.

Fill the air  conditioning  unit with refrigerant

fluid HFC 134a (0,600 Kg).

8

6

11

Connector

Pin

Denomination

1

Control + air  recycling

2

Control + air  recycling

3

Blower control speed 1

4

Blower control speed 2

5

Blower control speed 3

9

Climate control blower speed signal

10

Supply + after contact

11

Supply + after contact

12

Blower control speed 4

14

Mass

15

Mass

9

15

5

1

 

 

 

 

 

 

 

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