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G VSD Series
Small compressor, big savings
Even small businesses have big demands when it comes to compressed air. The G 7-22 VSD gives you that top Atlas Copco performance you can count on to keep your production running smoothly for many years. At the same time, its VSD technology ensures easy installation, energy savings of up to 35%, and low maintenance requirements to keep your operational costs to a minimum.
- Built for continuous use.
- Dependable operation in up to 46°C/115°F.
- Gradual start-up ensures less stress on key components and lower starting currents.
- Tropical thermostat included as standard.
- VSD technology delivers up to 35% energy savings.
- IE4 premium-efficiency Interior Permanent Magnet (iPM) motor.
- State-of-the-art element delivers more air with greater efficiency
- Available in floor- or tank-mounted version.
- Extremely small footprint ensures flexible installation.
- Main components, oil separator and filter are easily accessible.
High-efficiency drivetrain
- In-house designed element powered by an Interior Permanent Magnet (iPM) motor that equals IE4 standards.
• Compact, customized design for optimal cooling by oil.
• IP56 protection.
W-fin cooling system
- W-fin design ensures dependable operation in harsh conditions.
- Axial fan enhances cooler performance.
Electrical cubicle
- Advanced touch screen controller.
- Inverter, designed specifically for use in air compressors, offers self- adjusting control in abnormal conditions.
Robust oil filter/separator
- Oil filter comes with integrated bypass valve.
- Quick and easy service
Why you need VSD
The G 7-22 VSD’s Variable Speed Drive technology matches the compressor’s motor speed to your air demand. This results in energy savings of up to 35% compared to traditional load/unload machines. In addition, the G’s oilcooled iPM motor can start and stop under full system pressure without the need to unload. It also eliminates peak current penalties during start-up.
| Type | Working Pressure | Capacity FAD* (min-max) | Installed Motor Power | Noise Level (dB(A)) | Weight (kg) | ||||
|---|---|---|---|---|---|---|---|---|---|
| bar(e) | psig | l/s | m³/min | cfm | kW | hp | |||
| 50 Hz VERSION | |||||||||
| G 7 VSD | 4 | 58 | 6.38–19.35 | 0.38–1.16 | 13.52–41.00 | 7.5 | 10 | 67 | 175 |
| G 7 VSD | 7 | 102 | 6.06–18.94 | 0.36–1.14 | 12.85–40.13 | 7.5 | 10 | 67 | 175 |
| G 11 VSD | 4 | 58 | 7.83–29.04 | 0.47–1.74 | 16.59–61.53 | 11 | 15 | 67 | 175 |
| G 15 VSD | 4 | 58 | 8.11–35.10 | 0.49–2.11 | 17.18–74.37 | 15 | 20 | 67 | 175 |
| G 18 VSD | 4 | 58 | 10.32–55.93 | 0.62–3.36 | 21.86–118.50 | 18.5 | 25 | 72 | 276 |
| G 22 VSD | 4 | 58 | 9.63–65.39 | 0.58–3.92 | 20.4–138.60 | 22 | 30 | 72 | 276 |
** Unit performance measured according ISO 1217 ed. 4 2009, annex E, latest edition.
** Mean noise level measured at a distance of 1 m at max.
working pressure according to ISO 2151: 2004 using ISO 9614/2 (sound intensity method); tolerance 3 dB(A).
FAD is measured at the following
effective working pressures:
– 4 bar(e)
– 7 bar(e)
– 10 bar(e)
Maximum working pressure:
10 bar(e) (147 psig)
Reference conditions:
– Absolute inlet pressure 1 bar (14.5 psi)
– Intake air temperature 20°C/68°F
| Standard | ||||
|---|---|---|---|---|
| L (mm) | W (mm) | H (mm) | Connection | |
| G 7-15 VSD pack | 770 | 620 | 970 | G 3/4" |
| G 7-15 VSD tank-mounted | 1520 | 620 | 1470 | G 3/4" |
| G 18-22 VSD pack | 978 | 695 | 1473 | G 1" |
Options
- RXD oil
- Foodgrade oil
- Water separator and drain (WSD)
- EMC filter
- Remote alarm
- Test report
- Witness certificate
- Wooden package