JAVAC EL75300 Manual De Funcionamiento página 3

RECOVERY
UNIT
REFRIGERANT
OPERATION INSTRUCTIONS
CONNECTING MANIFOLD TO A SYSTEM
• Close valves A, B,C & D
• Connect hose 1, 2, 3 & 4 as shown
• Run the system and observe the pressures, check system manual for correct diagnosis
Refrigerant recovery
• Open valves A, B & C
• Close valve D
• Connect hose 1 and 2 as shown
• Connect hose 3 to inlet of recovery unit
• Connect recovery unit to recovery cylinder with an additional hose
• Turn on recovery unit and observe gauges until recovery is complete
EVACUATION OF SYSTEM
• Open valves A, B,C & D
• Connect hose 1, 2, 3 & 4 as shown
• Ensure refrigerant cylinder valve is closed
• Turn on vacuum pump for the desired time. Check vacuum level on the gauges, a minimum evacuation
time of 20 minutes is recommended, this may vary depending on the size of the system.
• When vacuum is reached close valves A, B,C & D
CHARGING SYSTEM AFTER EVACUATION
• Close valves A,B,C & D
• Connect hose 1, 2, 3 & 4 as shown
• Open refrigerant cylinder valve
• Open valve a for charging vapour or valve B for charging liquid
VACUUM PUMP
LP HP
A D C
4
3
1
3
B
2
HI
LO
SYSTEM