Wigam EASYREC120R100, Руководство пользователя

Страница: 34 / 44

EASYREC120 USER’S MANUAL ENGLISH
WIGAM 34
5. Self-Purge Method
5.1.
W
ARNING
Once the filter drier has been used with a type of refrigerant, it is closely imbued with it; so, before using the
recovery unit with a different refrigerant, it is necessary to replace the filter drier and eliminate the residual
refrigerant from the unit itself.
5.2. “P
URGE
”
FUNCTION
a) Turn the INPUT valve to position “CLOSE”, turn the OUTPUT valve to position “OPEN”
(recovery cylinder valves are open).
b) Turn the Recover/Purge valve to position "PURGE".
c) Make sure all connections are correct
d) Place the BY-PASS switch to position “MANUAL”
e) Turn the Power Switch to position “ON”, then press the START key to start the unit.
f) Slowly turn the INPUT valve to the “PURGE” position until the desired vacuum level is
achieved if the BY-PASS switch is on the manual position; or wait until the unit stops
automatically if the BY-PASS switch is on position AUTO.
g) Close the valves on the recovery cylinder
h) Turn the unit off. Disconnect all hoses and filter drier.
i) Turn the INPUT and OUTPUT valves to position “CLOSE” and the Recover/Purge valve
to position “RECOVER”.
j) Screw the protective caps on the input and output fittings.