From inside (document excerpt):
Recovers 20% More Refrigerant Charge Accuracy ± 1/2 Ounce liant y comp 8 Full 278 h SAE J wit rds! Standa 34788-I 507-455-7223 www.robinair.com Fully automatic function lets you recover, vacuum, leak test, charge, and then walk away. Combines simple operation with superior accuracy. The Robinair 34788-I recovers, recycles, evacuates, leak tests, and recharges R-134a quickly and accurately. Automatic operation means less attention is needed! Automatic Function — With this new option, you can program the unit to recover, vacuum, leak test, charge, and then walk away without having to operate panel valves.
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Vacuum Leak Test — Will monitor the vacuum level after an evacuation, and inform the technician of a possible leak in the vehicle’s A/C system. Automatic Refrigerant Refill — With this latest advance, you never have to stop in the middle of a job to change refrigerant tanks. The unit maintains a user selectable amount of refrigerant in an internal vessel, and signals when it’s time to change the supply tank, so no monitoring is required. Automatic Air Purge — Eliminates damaging air without any monitoring of gauges or opening of valves. Automatic Oil Drain — The unit automatically drains system oil captured during recovery, and the display reminds you to empty the bottle. Graduations on the container clearly show you how much oil needs to be replaced. Refrigerant Charging — Has never been this easy. Select a charge mode from either the high side, low side, or both. Accuracy features eliminate guesswork! Specifications Voltage 220-240V 50/60Hz Refrigerant Container On-board . 14 kg vessel (source tank not included) Operating Range . (11° to 49°C) 50° to 120°F Recycling Filter-Drier . 43 cu. in. spin-on type Pump Free Air Displacement . (35 L/min) 1.5 cfm Dimensions (127 cm x 86.4 cm x 58.4 cm) 44 ” H x 34 ” W x 23 ” D Shipping Weight (106.6 kg) 235 lbs. Refrigerant Management Systems– New and improved, system displays refrigerant use and monitors remaining filter life. Prompts appear when 1/3 of filter life remains. Vacuum Function — Defaults to 15 minutes, but is programmable up to 99 minutes. Remaining vacuum time is displayed on the screen. Design certified by UL to meet SAE J-2788 New 2X larger display makes the 34788I easier than ever to use. · Built-in storage for extra filter. · On-board storage for compressor oils. * Extra filer & bottles not included Control panel offers flat storage feature when not in use. 09-19 2009 SPX Corporation. Because of ongoing product improvements, we reserve the right to change design, materials, and specifications without notice. Certain kits may require additional cables or adapters. Product shipped may differ from photo(s) shown. 507-455-7223 www.robinair.com …