SF AllVac Commercial, Установка, эксплуатация и обслуживание, Страница: 12 / 36

RRGA-SVX01A-EN 12
Operation
Upon pressing “Enter”, AllVac prompts you to perform the following
valve manipulations 20-26:
Note 3: Close additional liquid access valve at this time, if being used.
20. “Close Access Valves on A/C System Being Recovered” then
press ”Enter”.
21. “Close Both Hand Valves on AllVac Unit A/C System Side” press
“Enter”.
22.AllVac compressor then restarts and begins to force remaining liquid in
AllVac as well as liquid in hose into the recovery tank. Displaying “ Liquid
Refrigerant Clearing in Process”.
23. “Close Both Liquid & Vapor Hand Valves on Recovery Tank” press
Enter.
24.AllVac then begins evacuating the recovery tank vapor hose, displaying
“Hose Evacuation in Process”.
25. “Close Both Liquid & Vapor Tank Hand Valves on AllVac unit” then
press “Enter”.
26.Finally, the unit displays
“System Recovery Completed! Disconnect all Hoses and Power”.
At this time, close all four refrigerant hose isolation valves located on the
ends of the refrigerant hoses connected from AllVac to the recovery tank.
There will still be a small, residual amount of refrigerant in AllVac. This
amount must be removed if you want to change to a different type of
refrigerant. An explanation on how to remove this residual amount of
refrigerant is on page 14.
Low Pressure Section
27.Open Chiller Condenser & Evaporator Hand Valves on AllVac Unit” then
press “Enter”.
28. “Open Tank Vapor & Liquid Hand Valves on AllVac Recovery Unit”
then press “Enter”.
29. “To Evacuate Hoses Press Enter, To Skip Hose Evacuation Press
Cancel”
if “Enter” is pressed, unit displays “ Hose Evacuation in Pro-
cess ” followed by “ Hose Evacuation Complete, Press Enter ”.
30. “Open Chiller Condenser & Evaporator Service Access Valves” then
press “Enter”.
31.Next “Open Vapor and Liquid Hand Valves on Recovery Tank” then
press “Enter”.
32.AllVac then displays “Liquid Transfer!” and displays the chiller pressure
and recovery tank pressures.