Mastercool 69788-A R134a RECOVERY_RECYCLE_RECHARGE User Manual
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oil valve when reaching the desired oil level.
ATTENTION: Since the oil in the container will decrease in level, the quantity must be calculated by difference. Upon completion of the oil injection
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 required for the A/C system to be charged using one of the two procedures below.
1. Manual Operation: Set the quantity for the charge. Following are examples for each set of units.
Lb, the display will have 4 digits, two digits then a decimal point and then two digits. The cursor moves from the left to the right. If the desired
charge is 1.75 lbs, then you will enter 0 1 7 5.
Oz, the display will have 3 digits. The cursor moves from the right to the left. If the desired charge is 36 oz’s, then you will enter 0 3 6.
Gr, the display will have 5 digits. The cursor moves from the right to the left. If the desired charge is 980 grams, the you will enter 9 8 0.
Kg, the display will have 3 digits, two digits then a decimal and then one digit. The cursor moves from the right to the left. If the desired charge is
1.5 Kg’s then you will enter 1 5.
Lb-oz, the display will have 4 digits, two digits then a colon and then two digits. The cursor moves from the left to the right. If the desired charge
is 1 lb’s 7 oz’s then you will enter 0 1 0 7.
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>