22
3. Use the
and
key to adjust all the parameters for the operation.
then press the
key to start, the device will automatically run the recovery, oil
drain, vacuum, oil injection, recharging phases.
7.7 PRESSURE UP
When the A/C system pressure is lower than desired, only due to shortage of
refrigerant inside the A/C system, In this case, you no need redo all
recovery/recycling/recharging process, by this function you could add some gas
into the system and let the pressure rise to normal. The operation is only from the
LP service port. and the filled gas can not be measured.
1.
When the HP and LP pressure gauges indication is lower than normal,
please press
key to add some gas into the A/C system:
2.
Long press
key, until the pressure is OK.
7.8 PRESSURE DOWN
When the A/C system pressure is higher than desired, only due to too much
refrigerant inside the A/C system, In this case, you no need redo all
recovery/recycling/recharging process, by this function you could remove some gas
from the system to inner tank and let the pressure drop to normal. The operation is
only from the LP service port. and the removed gas can not be measured.
1.When the HP and LP pressure gauge indicates scale is higher than normal,
please press
key to reduce pressure from the A/C system:
PRE S SU RE IN CRE ASE
PLE A SE LO N G P RE SS U P K E Y
RE LE ASE I T W H E N
PRE S SU RE IS D E S IRE D
PRESSURE DOWN
PLEASE LONG PRESS DOWN
KEY, RELEASE IT WHEN
PRESSURE IS DESIRED
