English Instruction Manual ENVIRO-DUO
19
When the reading on the electric scale is not changing
or changing very slowly, it means that the liquid recovery
is finished, it's time for gas recovery. (The hoses
to be re-connected and please follow the Purge Operation
to purge the gas refrigerant.)
need
6.
Close the gas valve on the refrigerant tank and then turn
the power off.
7.
Close all the valves and disconnect all the external hoses.
Connect the hoses according to the Recovery Operation
to do the gas refrigerant recovery.
8.
PURGE
9.
When the reading on the electric scale shows
that the refrigerant in the tank reaches 80%
capacity, please turn the power off and close
the valves on the tank.
WARNING!
Scale
Tank
Liquid valve
Vapor valve
Input
Output
80% O.F.P.
float cable
Vapor
Liquid
Filter
HVAC System
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