Pro-Set® 4 CFM Sparkless Vacuum Pump
KEY FEATURES
• Designed and tested to meet ANSI 12:12.01 Ignition Proof standards
• For use on refrigeration systems utilizing: Class A1 (nontoxic, nonflammable), Class A2L (non-toxic, low flammability), Class A2 (nontoxic, flammable), and Class A3 (nontoxic, flammable) and Ammonia (NH3)
• Air-cooled, thermally protected motors encased in a durable aluminum housing
• Oil filled rotary vacuum pump cartridge construction
• Combination oil fill/exhaust port utilizes CPS exclusive oil mist free exhaust cap
• Large double-sealed oil sight glass
• Steel inlet port with multiple intake sizes (1/4, 3/8 & 1/2 SAE), Ammonia compatible
• Ignition proof ON-OFF switch
• Sealed solid state starting system
• Rubber lined handle, skid-resistant rubber base
• Gas ballast valve for deeper vacuum
Specifications
| Models | VPS4DAP |
| Stage | 2 |
| Ultimate Vacuum | 4 Microns |
| Refrigerant Classes | A1 Non-toxic Non-flammable
A2 Non-toxic, Low-flammability A3 Non-toxic High-flammability |
| Dimensions (inches) | 12.2 x 5 x 9.6 |
| Weight | 18.74 lb / 8.5 kg |
| Free Air Displacement | 4 CFM @ 60Hz 113 l/m @ 50Hz |
| Motor Size (HP) RPM 50/60 Hz | 1/2 2880 / 3440 |
| Oil Capacity | 11.5 oz / 330ml |
| Voltage | U=115V 60Hz, A=220-240V 50Hz, E=220-240V 50Hz, K=230V 60Hz/220V 50Hz |
| Power Cord Connection to Pump | Hard Wired 3 Meter Power Cord
1. NEMA 5-15P Plug on 115V 60Hz 2. Australia Plug on 220-240V 50Hz “A” Suffix 3. SCHUKO Plug on 220-240V 50Hz “E” and “K” Suffix |
| Power Switch | Ignition Proof ON-OFF Switch |
| Operating Temperature Range | 32°F to 125°F (0°C to 52°C) |
| Gas Ballast Valve | Yes |
| Intake Fittings** | Steel inlet with 1/4″ SAE Male, 3/8″ SAE Male |









