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Page 9
WEIGHT= XX.X LB
AUTOMATIC
?
#
>>>
WEIGHT= XX.X LB
CHARGE
? #
ENTER
ENTER CHARGE
AMOUNT= XX.X LB
#
>< ENTER
*
LOW LEVEL
,
GO TO
FILL CYLINDER
#
ENTER
CHECK HIGH-LOW
CHARGE SWITCH
#
ENTER
WEIGHT= XX.X LB
CHARGING
CHARGE COMPLETE
EVAC HOSES
#
ENTER
CHARGE
1. Set up the AC880 and turn the Main Power Switch ON.
2. Attach the Red and Blue Hoses to the A/C System per the vehicle
manufacturer's instructions and open the Red and Blue Hose Valves.
3. Determine the refrigerant capacity of the A/C System to be charged.
Note: 1 oz = 0.02835 Kg 1 Lb = 0.45359 Kg
4. Using the Keypad, press the “Up Arrow” key three times to display “WEIGHT=
XX.X LB” “CHARGE?
#” and press the ENTER key. The Display will read
“ENTER CHARGE” “AMOUNT= XX.X LB
#”.
5. Press the “Up Arrow” key to change the value of the field. Press the “Right
Arrow” key to change to a different field. The value entered must be greater than
zero. Press the ENTER key to accept the value. The Display will read “CHECK
HIGH-LOW” “CHARGE SWITCH
#”.
* This screen will display if the AC880 Charge Cylinder contains less
refrigerant than the entered value. When this occurs, the charging Cylinder
should be filled using the Fill Cylinder procedure on Page 5. Press the
ENTER key to return to the Main Menu.
6. Based on the vehicle manufacturer’s instructions, choose Charging through
either the High Pressure Hose (preferred) or the Low Pressure Hose by pressing
the top or bottom (respectively) of the High-Low Charge Selector Switch (12).
Note: Do not turn on the A/C System. SAE compliant refrigerant handling
stations, like the AC880, supply refrigerant in the liquid phase. Adding
liquid refrigerant to a running A/C System may cause immediate A/C
compressor failure.
7. Press the ENTER key to start charging.
The Display will read “WEIGHT= XX.X LB” “CHARGING” as refrigerant leaves
the Charging Cylinder. The weight displayed will increase from zero to the
Charge Amount entered in Step 5 plus a one ounce (0.03 KG) Over Charge set
at the factory to compensate for hose loss. (See Set Over Charge Amount on
Page 13 to change the default value.) When the AC880 has finished, the
Display will read “CHARGE COMPLETE” “EVAC HOSES” and the Attention
Light will turn ON.
8. Press the ENTER key to return to the Main Menu. The A/C System can now be
turned on and tested by monitoring the High and Low Pressure Gauges.
9. Close the Red and Blue Hose Valves, disconnect them from the A/C System
and go to Page 6 (Recover/Recycle) to Evacuate refrigerant from the Hoses.