– 61 –
8. Open the high-pressure valve on the manifold
and start the recovery pump.
Closed
Open
High Side
9. After a 15-inch vacuum is achieved, close the
high-pressure valve on the manifold, then turn
the recovery pump off.
Closed
NOTE
:
Make sure to press the TARE key on the
digital scale controller to set the scale to zero.
10. Open the low-pressure valve on the manifold
to allow the refrigerant to enter the sealed
system.
High Side
11. When the proper charge weight is displayed,
add 0.25 oz. for each 5 ft. length of hose in
the sealed system line that has not been
purged. (In this case, only 0.25 oz. would
need to be added for the 5 ft yellow hose).
(
Continued next page
)
12. When the proper charge weight has been
reached, close the low-pressure manifold
valve to stop the refrigerant flow.