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Automatic A/C-Service Unit
4.3
"Z
"
ERO
SCALE CHECK
After having unlocked the scale:
a) Connect the unit to the power supply
b) Turn the 67 switch to position
c) Make sure that the bottle is empty
d) Wait at least 5 minutes so that the bottle/scale assembly stabilizes before proceeding; The display
must show a value between 00.00 e 00.50. If the value is lower or higher than the above indicated
one, the scale must be reset by acting on the electronic control module as follows:
e) Press the MENU key: the screen with the different functions that can be performed will appear on
the display
f)
Press the key 6 on the control module and select, with the relevant key, the scale to re-calibrate.
g) Carefully follow the instructions that appear on the display
h) At the end of the re-calibration operations, press the C/EXIT key
4.4
F
ILLING REFRIGERANT INTO THE BOTTLE
When all the above mentioned preliminary operations have been performed, the recommended quantity
of about 10÷ 12 kg of refrigerant must be filled into the unit, The recommended quantity enables the
refrigerant recovery from the A/C system and its following charge.
4.4.1 F
ILLING REFRIGERANT INTO THE INTERNAL BOTTLE BY MEANS OF RECOVERY FROM THE
SERVICE BOTTLE
a)
Connect the unit to the power supply
b)
Make sure that all valves on the control panel are closed and that the 67 switch is in position 0
c)
Position the service bottle so that liquid refrigerant will come out (bottle with tube upright,
bottle without tube upside down)
d)
remove the 55 quick coupler valve (red valve) from the 52 high pressure hose or use the
suitable adapters
e)
Connect the 52 hose to the service bottle
f)
Turn the 67 switch to position I
g)
Push the V key: the led starts blinking and the set vacuum time appears on the display (to
modify the set values – see 2.10 "Control module").
h)
Press the START key in order to start the vacuum cycle. The display will show:
i)
Leave the vacuum pump running for about 5 minutes
j)
After 5 minutes, press the STOP key to stop the pump; press the STOP key again to exit from
the Vacuum Test function
k)
Press any key to return to the initial screen or press the FEED key to print the report of the
function
l)
Press the R key, the led starts blinking and the display shows the following screen (to modify
the set values – see 2.10 "Control module")
m)
By means of the UP key or with the numeric keys, set 10.00, which is the refrigerant quantity
in kg that will be transferred into the unit's bottle (To modify the set values – see 2.10 "Control
module") Slowly open the valve of the bottle
n)
Press the START key to start recovery; the unit will stop automatically as soon as the
previously set quantity has been transferred into the unit's bottle.
o)
Close the valve of the service bottle
Letzte Änderung: 24.06.2009 / Art.Nr.: 2059ENG
•
VACUUM TIME
•
REMAINING TIME
•
RECOVERY ALL
•
MAX RECOV. 12.000 hypothetical value
17
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