CAP. 5 - GENERAL DESCRIPTION 26 / 77 ENGLISH
M
ULTIGAS 8500 PLUS
5.8 FUNCTION KEYS
9000 BUS has the following function keys
Refrigerant
amount
By pressing this key for at least 2 seconds, the refrigerant amount to be
charged inside the vehicle A/C system may be modified. Once the value has
been changed, press the icon again to quit.
System type
By pressing this key for at least 2 seconds, the type of system to which 9000
BUS will be connected may be set:
• A/C system with LP only
• A/C system with HP only
• A/C system with LP and HP
• A/C system with HP (LP)*
*Several Renault vehicles (in particular Megane II, Scenic II, Laguna II) are equipped with just one coupler: its size is that of
an HP coupler but it may actually be an LP coupler.
If the database is enabled, the amount is obtained directly from the database.
Oil Injection
Press the button to select the following oil injection modes:
• No OIL: do not inject new oil inside the A/C system
• REC+: the same amount of new oil is recharged plus an additional
amount of oil (initially set at 0 g) to replace the discharged oil.
• Oil: charge the desired new oil amount (according to the manufacturer
instructions)
By pressing the icon once, the different operating procedures change.
Hold down for at least 2 seconds to set the amount of new oil to be injected
into the vehicle's A/C system (arrow up or down).
Press the button twice (like a mouse double click) to determine whether to also
add tracer into the A/C system. If so, the button changes as follows:
If the database is enabled and the vehicle is included inside it, the INFO to
display the new oil amount to be injected into the specific system may be
consulted. Unlike oil, tracer is not weighed, therefore the amount of injected
fluid will be timed (about 8-10 ml of tracer).
By pressing this button
you can set or change the type of new oil to be
injected (for details on oil change, see Chap. 11.6.2)
Vacuum
phase
duration
By pressing for 2 seconds this button, you can change (arrow up or down) the
time of the vacuum phase (30 min. default) and the time of the vacuum
holding (2 min. default).
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