Mastercool 69788 RECOVERY_RECYCLE_RECHARGE - Manual (Page 13)

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phase, you may go on to refrigerant fluid charging.
NOTE: Using PAG oil or tracer in hybrid vehicles may damage the compressor. Use only suitable oil with a separate oil injection device.
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FIG. 10
CHARGING THE A/C SYSTEM
Press the UP or DOWN arrow to select the ASSISTED PROCEDURE and then press ENTER when the “Assisted Procedure” message flashes on the
LCD. Press the down arrow to select REF CHARGING. When “REF CHARGING XX:XX lb” flashes on the LCD:
Set the quantity of refrigerant to be charged, use one of the two procedures below.
1. Manual Operation: Set the quantity of refrigerant for the A/C system to be charged. For example, if the units are in, g(Kg), then the display will
have 5 digits and the units will be grams, 00000g. The cursor moves from right to the left. If the desired charge is 980g, then you will enter 9 8 0.
If the units are in, oz(lb), then the display will have 4 digits separated by a colon and the units will be pounds, 00:00lb. The cursor moves from the
left to the right. If the desired charge is 1 lb and 7 ounces, then you will enter 0 1 0 7.
If the units are in, (lb), then the display will have 4 digits separated by a decimal point and the units will be pounds, 00.00lb. The cursor moves
from the right to the left. If the desired charge is 1.75 lbs, then you will enter 1 7 5. After setting the quantity, confirm by pressing the enter key.
NOTE: When working with A/C systems with a single high-pressure (RED) coupling, set the charging quantity 3 oz. (.19 lb or 85 g) more than the
required quantity, since in this case it will be impossible to recover the residual refrigerant from the hoses after charging.
2. This model is equipped with some refrigerant capacities stored in its database. Press the
↓ key; the following will appear on the display:
<ALFA ROMEO>
AUDI
BMW
CHRYSLER/JEEP
Use the arrow keys ( ↓↑) to select the required vehicle brand and press ENTER to confirm. The display will now show the various models (for
example, if the brand chosen was FORD):
<COUGAR>
ESCORT
ESCORT D
FIESTA
Use the arrow keys ( ↓↑) to move to the model required and press ENTER to confirm. The following will appear on the display:
VACUUM 20 MIN
<FILLING w:yz lb>
Where “w:yz” refers to the quantity for the vehicle selected. The machine will be ready to enter the correct quantity of refrigerant. Confirm by
pressing the ENTER key.
Open the high and low service valves on the machine and press the START key (in the case of an A/C system with a single high or low pressure