MAHLE RTI RHS980C User Manual
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T O T A L O I L C A P A C I T Y
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E N T E R C H A R G E A M O U N T
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Select the model of the vehicle being serviced. Press 
YES key on the highlighted value to continue. Use ▲ 
or ▼ key to scroll the displayed arrow to the desired 
selection. 
Select the engine configuration of the vehicle being 
serviced, if more than 1 option is available. Press YES 
key on the highlighted value to continue. Use ▲ or ▼ 
key to scroll the displayed arrow to the desired 
selection. 
If required, a screen to select the system for the 
vehicle being serviced will be shown. Press YES key 
on the highlighted value to continue. Use ▲ or ▼ key 
to scroll the displayed arrow to the desired selection. 
The data will be shown for the vehicle parameters 
entered on this screen. Year, make, model, type, 
system and refrigerant capacity in OZ is detailed. 
Press ▼ key to display the next screen or YES key to 
accept the charge amount. 
The oil type and total oil capacity are shown on the 
screen for the selected vehicle parameters. Press key 
▲ to display the previous screen or YES key to accept 
the charge amount. 
Enter the amount of refrigerant to be charged into the 
A/C system or the charge capacity will be 
automatically entered if the AC database was used. 
Press START key. 
Press ► or ◄ key to change the type of oil which 
exists on the A/C system being serviced. A HIGH 
VOLTAGE OIL FLUSH will be started automatically if 
the type is changed. 
Press ► or ◄ key to select which side to charge to on 
the A/C system. The word HIGH, LOW or BOTH will 
display in bold letters. Note: If oil injection was 
selected, only HIGH or BOTH will be enabled. Press 
START key. 
Connect the red hose to the high side and the blue 
hose to the low side of the A/C system. Open the 
valves on both hoses. Press START key. 
A clearing procedure will run to remove refrigerant 
from internal components. 
The RHS980C will now recover and recycle 
refrigerant. The amount of refrigerant recovered will be 
displayed. The next screen will be displayed when 
vehicle system pressure is in a vacuum. 
S E L E C T S Y S T E M
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Y E A R, M O D E L, E N
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S Y S T E M T Y P E X X, X X O Z
C O N D E N S E R C A P A C I T Y
X X O Z
