ACM-400s - Compressor Unimac - Free user manual and instructions
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| Product Type | Air Compressor |
| Brand | Unimac |
| Model | ACM-400s |
| Power | 1.5 kW (2 HP) |
| Max Pressure | 8 bar (116 psi) |
| Tank Capacity | 24 liters |
| Air Displacement | 200 L/min |
| Voltage / Frequency | 230 V ~ 50 Hz |
| Weight | 25 kg |
| Dimensions (L x W x H) | 60 x 30 x 50 cm |
| Noise Level | 85 dB(A) |
| Lubrication | Oil-lubricated (SAE 30) |
| Duty Cycle | S3 50% (2 min on, 2 min off) |
| Protection Class | IP20 |
| Cooling | Air-cooled |
| Drive Type | Direct drive |
| Safety Features | Safety valve, thermal overload protection |
| Connections | Quick coupler, pressure gauge |
Frequently Asked Questions - ACM-400s Unimac
What type of oil should I use in the Unimac ACM-400s compressor?
Use SAE 30 non-detergent compressor oil. Do not use motor oil or synthetic oil unless specified.
How often should I change the oil?
Change the oil after the first 50 hours of operation, then every 500 hours or every 3 months, whichever comes first.
What is the maximum pressure setting?
The maximum pressure is 8 bar (116 psi). Do not exceed this setting to avoid damage.
How do I adjust the pressure regulator?
Pull up the knob on the pressure regulator, turn clockwise to increase pressure or counterclockwise to decrease, then push down to lock.
Why does the compressor not start?
Check the power supply, ensure the on/off switch is in the 'ON' position, and verify that the thermal overload has not tripped. If tripped, wait for the motor to cool and press the reset button.
How do I drain the tank?
Open the drain valve at the bottom of the tank while the tank is pressurized. Drain daily to prevent moisture buildup and corrosion.
What is the recommended maintenance schedule?
Daily: drain tank, check oil level. Weekly: inspect air filter, clean exterior. Monthly: check belt tension (if applicable), test safety valve. Every 500 hours: change oil, replace air filter.
Can I use an extension cord?
Yes, but use a heavy-duty cord with a minimum wire gauge of 14 AWG and length no more than 15 meters to avoid voltage drop.
What should I do if the safety valve releases air?
This indicates overpressure. Turn off the compressor immediately and check the pressure switch setting. If the valve is faulty, replace it.
How do I clean the air filter?
Remove the filter element and wash it with warm soapy water. Dry completely before reinstalling. Replace if damaged or excessively dirty.
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USER MANUAL ACM-400s Unimac
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Product information
Brand : Unimac
Model : ACM-400s
Category : Compressor