Save valuable time when servicing the air conditioning on large vehicles such as buses and trains. Since downtime is extremely costly for operators, speed and reliability are vital. Key service tasks such as refrigerant recovery, evacuation and refrigerant recharging need to be performed within a tight timeframe. The WAECO ASC 3300 G perfectly meets these requirements. Featuring a 192 l vacuum pump and an extra fluid pump, the fully automatic service unit guarantees fast and efficient refrigerant recharging. It can be upgraded with a heat belt to save a further 80 % work time.