MasterCool 69200-220 Instrucciones De Operación página 4

position. Rotate inlet valve to PURGE position. Wait about 10 seconds for pressure to equalize. If circuit breaker has
tripped, reset it.
9. Turn center valve back to "Recover" position. Start recovery system. Open inlet valve.
10. Observe operation of system. In rare instances "slugging" may be apparent (loud compressor noise or high
vibration). If this condition is apparent turn inlet valve to LIQUID position. System can be run with this setting
continuously. It is suggested that operator periodically turn inlet valve to OPEN position and check for proper
operation of system. Best operation of the system is with inlet valve OPEN and automatic pressure regulating valve
controlling flow conditions.
11. System has automatic vacuum shut down switch. After recovery is complete system will turn off when inlet pressure
reading is about 355 mm (14 in) of mercury below atmospheric pressure. When system shuts down automatically,
turn inlet valve to CLOSE position and turn power switch off. Recovery is now complete.
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RECOVERY SYSTEM PURGE
1. Turn off power switch. Turn inlet valve to PURGE position. Turn center valve to PURGE position. Make sure outlet valve
is in OPEN position. Start System.
2. System will run until vacuum switch shuts System off automatically. Purge may take a few minutes as some liquid
refrigerant may be in the Recovery System. The liquid must become vapor, which may require some time.
3. Shut OFF Recovery System. If System is to be used with the same refrigerant next operation, shut outlet valve and
disconnect outlet hose. If venting of system is required, disconnect outlet hose to relieve residual pressure.
4. The inlet port has a fine screen filter. Remove inlet nut and clean screen filter after every use. A clean filter is very
important for the proper operation of the System. Replace filter dryer whenever plugged or contaminated.
* For optimal oil separation, throttle inlet valve to maintain about 40 PSI (2.7 Bar).
TO DRAIN RECOVERED OIL
CAUTION! Do not cap the open bottle neck! The neck must remain open to vent pressure.
NOTE! The oil separator capacity is approx. 42 g (1.5 oz) which can recover 8-10 normal car type A/C systems (up to 1 kg
of refrigerant each). However, some systems deposit more oil in the separator due to high pressure or excessive oil in the
system. Therefore it is recommended to drain oil after each use of the recovery machine and to turn off the 69200-220
and drain the oil separator for larger systems after every 5 kg of recovered refrigerant.
* Please only attach oil bottle and hose to machine when draining oil. Hose and bottle should not be attached
when machine is recovering refrigerant.
1. Check pressure on recovery machine inlet pressure gauge. Pressure must be below 0,7 Bar (10 PSI), but above 0,1 Bar
(2 PSI).
2. Insert short yellow hose into the "plastic bottle with two openings" which is supplied. Carefully attach the short yellow
hose to the oil drain fitting on the recovery machine. As hose is tightened on fitting, oil will flow into container. (Hose is
equipped with a depressor which will open core valve in oil drain fitting).
3. When oil has drained completely, disconnect the hose from the system. Unscrew the cap/hose from the bottle and
dispose of the oil into an environmentally approved manner.
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