BrainBee multigas 8500, Service Manual, Page: 36 / 78

ENGLISH 36 / 78 CAP. 8 - GAS TYPE SWITCHING
MULTIGAS 8500
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Turn off compressor C
g) Close the taps of the LP and HP quick couplers and disconnect the adapter.
2) Total emptying of GAS R134a from the station
a) Connection between MULTIGAS 8500 and station for gas R134a recovery
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Connect the LP coupler of the MULTIGAS 8500 station to the HP coupler of the
recovery station, using the R134 MALE HP -> R134 MALE LP COUPLER
14123560010100
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Open HP and LP taps.
b) Activation of MULTIGAS 8500 station solenoid valves
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Turn on the MULTIGAS 8500 station
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Enter the “Service” menu, password “BRN”
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Enter the Manual Activations section and activate, in sequence, the R-A-I valves
c) Start of recovery cycle of the station for gas R134a recovery
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Start a recovery cycle on the station used for emptying
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Wait for recovery to be completed.
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Close the HP and LP taps and disconnect the recovery station.
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Switch off MULTIGAS 8500 station and station for gas R134a recovery.
3) Installation of transformation kit
a) Switch off the recharge station MULTIGAS 8500 and remove the power supply cable to
avoid any electric hazard.
b) MULTIGAS 134 TO 1234 KIT main components preparation:
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quick couplers for R1234yf
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HP and LP false couplers
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Dryer filter