CPS AR2700A Manual de instrucciones - Página 11

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Pump Down Function
1.
Make sure service hoses are disconnected from
AC system.
2.
Turn the low and high side manifold valves to the
open position.
3.
Locate the pump down lever on the back of the
machine and move to the Pump Down position
(UP) as shown in the picture.
4.
Close the liquid valve on tank.
5.
Turn the compressor ON and turn the recovery valve to the open position.
6.
Push the SET/RESET key on scale keypad.
7.
Use the UP or DOWN arrow keys to program 10 lbs or 5 kgs.
8.
Push the GO/HOLD key to initiate filter pumpdown.
9.
Monitor the gauges until they read 10" Hg vacuum.
10. If the unit begins to beep before you have reached 10" Hg vacuum
push reset and repeat steps 7-10.
11. Once the machine reads 10" Hg vacuum turn the compressor off, turn vacuum
valve to the open position and start vacuum pump.
12. Run vacuum pump for a minimum of 10 min to remove any residual refrigerant.
13. Turn the vacuum pump switch OFF and close (I) the vacuum and compressor
manifold valves. Pumpdown is now complete. Disconnect hoses from the tank.
The unit is now ready for a new tank of an approved refrigerant. Please make
sure to return the pumpdown valve to the normal position.
PUMP DOWN OPERATION
(AR2700M Series Only)
Pump Down Position (UP)
11
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