Mastercool 69788-A R134a RECOVERY_RECYCLE_RECHARGE - Manual (Page 15)

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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
coupling, open only the relative valve on the machine).
NOTE: Charging may not run to completion due to pressure balance between the internal tank and the A/C system. If this occurs, close the valve
on the high pressure quick connect coupling (leaving the low-pressure side open), turn on the vehicle and switch on the A/C system. The unit is
equipped with a tank heater to limit this occurrence. When the charging operation is complete, the machine will display the following dialog
boxes:
END OF CHARGE
CLOSE HIGH AND LOW
VALVES ON MACHINE
START: TO CONTINUE
START ENGINE
TURN ON A/C SYSTEM
START: TO CONTINUE
CHECK HIGH AND LOW
A/C SYSTEM PRESSURES
START: TO CONTINUE
CLOSE HIGH PRESSURE
COUPLER
START: TO CONTINUE
OPEN HIGH AND LOW
VALVES ON MACHINE
TURN ON A/C SYSTEM
START: TO CONTINUE
ALLOW HIGH AND LOW
PRESSURE TO EQUALIZE
CLOSE ALL VALVES
RESET: WHEN COMPLETE
LAST RECOVERED QUANTITY
To see how much refrigerant was recovered during the last recovery phase.
AUTOMATIC PROCEDURE
ASSISTED PROCEDURE
<NEXT MENU>
Ref avail X,XX lb
Select NEXT MENU:
<LAST RECOVERED QTY>
TANK CHARGING
AIR PURGE
DATA AND CONFIGURAT.