Maintenance Requirements - MasterCool TwinTurbo 69350 Instrucciones De Operación

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Instrucciones de operación (21 páginas)

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9. 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 fully OPEN.

10. Recovery is complete when inlet reading is about 680 – 846mbar (20-25") of mercury vacuum. Turn inlet valve

to close position and turn power switch off. Recovery is 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. 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. 0.5 oz (14 g) which can recover normal car type A/C systems (up to 2 lb (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 unit and drain

the oil separator for larger systems after every 11 lb (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.