REFCO ENVIRO - Manual (Page 18)

English Instruction Manual ENVIRO
15
If liquid impacting occurs in the compressor when at
position “2”, please turn the knob to position “start”
slowly. The reading of low pressure gauge will decr-
ease until the impacting stops, but the pressure should
uld be above“0”, because the intake port cannot intake
when the pressure is “0”.
If it is difficult to start or restart after power off , please
turn the knob to position “START”, then turn on the
power and hit the RESET button.
Notice:
Open the liquid valve on the manifold gauge. 5.
Slowly turn the Switch to position "2" for faster recovery. 6.
a.
When liquid recovery is finished, turn the Switch to posi-
tion "2" for faster recovery. 7.
After the low pressure gauge shows zero, start the purge
operation. 8.
If the knob is turned to position “1” and the unit it run-
ning, a stable recovery of liquid refrigerant can occur,
in the compressor when at position “1”, slowly turn the
knob clockwise to position “start”. The reading of low
pressure gauge will decrease until the impacting stops.
The pressure should be above “0”, because it cannot
intake if the pressure is “0”. b.