13 - 32
4
Using unit COOLIUS-HP
4.1
Refrigerant recovery
WARNING
!
During recovery, regulate the 82 and 83 valves on the control panel, so that the input pressure never rises
over 5 bar
1.
Turn on the engine with closed hood
2.
Turn the air-conditioner on and have it run for some minutes
3.
Open the hood and set the air-conditioner fan to maximum speed
4.
Have the vehicle engine run slowly (800 - 1200 revolutions/min) for a few minutes
5.
Turn the vehicle engine off and have the air-conditioner fan run at maximum speed and start
the
recovery operations
6.
Connect the hoses to the A/C system which needs a maintenance. Open the hand-wheels on the
couplers.
7.
Turn the 87 switch to position 1.
8.
Open the 82 and 83 valves according to how the connection on the system was made
9.
Press the Recovery key
10.
The unit sets the recovery function on ALL by default: in this way, the unit recovers all the refrigerant
there is inside the car.
11.
Press the
key to start the function. During the recovery cycle, the recovered refrigerant quantity
appears on the display.
12.
In case of emergency, it is possible to leave the function by pressing the STOP key for more than 3
seconds.
13.
During the cycle, the unit performs the automatic oil discharge
14.
Wait until the recovery cycle is completed; a beep will let the user know that the cycle is over and the
quantities of recovered refrigerant and oil will be displayed.
R e
c
o
v
e
r
y
R 1
3
4
a
A L
L
R
e
c
.
u n
d
e
r
w a
y
R 1
3
4
a
0
.
0
0
0
k
g
O i
l
d
i
s
c
h
a
r
g e
0
g
R 1
3
4
a
1
.
1
0
0
k
g
O l
i
o
O u t
1
0
g
Содержание COOLIUS 4000 HP
Страница 1: ...2154 ENG Version 02 2014 User s manual COOLIUS 4000 HP automatic a c service unit Art No W050200011 ...
Страница 2: ......
Страница 5: ...3 32 Layout drawings Picture 1 ...
Страница 6: ...4 32 Picture 2 ...
Страница 7: ...5 32 Hydraulic diagram Picture 3 ...
Страница 8: ...6 32 Electric diagram Picture 4 ...
Страница 29: ...27 32 ...
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