JAVAC XTR-PRO-DV Safety Instructions & Operation Manual page 12

EN
5.0 SET UP AND OPERATION continued
5.3 PURGING THE RECOVERY UNIT
5.3.1 While the recovery machine is running, rotate INLET Valve (V1) to CLOSE position.
5.3.2 Rotate PURGE/RECOVERY valve (V2) to PURGE position. Leave DISCHARGE (V3) open.
5.3.3 Slowly rotate Inlet V1 to PURGE position.
5.3.4 Observe LP gauge and continue to run the unit until a VACUUM is achieved. Switch POWER
OFF and CLOSE the recovery cylinder valve. Return INLET valve (V1) to CLOSE position and close
the V3.
5.3.5 IMPORTANT - Return V2 to RECOVERY Position.
5.3.6 CAUTION - THE DISCHARGE PORT AND HOSE WILL CONTAIN A SMALL AMOUNT OF
REFRIGERANT UNDER PRESSURE. EXERCISE CARE WHEN REMOVING THIS HOSE AND
OPENING V3 VALVE.
5.3.7 REMOVE all hoses and cables and prepare the machine and the recovery
VAPOUR
cylinder for transport.
5.3.8 When changing refrigerants or reconnecting to a cylinder always purge the hoses and the
SYSTEM
recovery machines ports with refrigerant, (or evacuate lines), to prevent air entering the recovery
process.
LIQUID
SET-UP PROCEDURE FOR PURGE
RECOVERY UNIT
VALVE POSITIONS DURING NORMAL RECOVERY
PURGE
V1
OPEN
POWER
SOURCE
12
RECOVERY UNIT
FILTER
POWER
SOURCE
LIQUID
V2
RECOVER
CLOSE
PURGE CLOSE
CYLINDER
SCALE
RECOVERY UNIT
LIQUID
CYLINDER
WITH
CT-OFD
SCALE
VALVE POSITIONS DURING PURGE OPERATION
PURGE
OPEN
V3
OPEN
VAPOUR
LIQUID
LIQUID
CYLINDER
POWER
SOURCE
SCALE
V2
RECOVER
CLOSE
V1
PURGE CLOSE
LIQUID
SYSTEM
CYLINDER
CT-OFD
SCALE
VAPOUR
S
LIQUID
RECOVE
OPEN
V3
OPEN
PO
SOU
VAPOUR
WITH