LOWER ENERGY CONSUMPTION

• For the best performance: low terminal kW (specific power) for unit m3/min capacity. (More advantageous energy consumption compared to classic VSD models)

• Between 10-15% extra energy savings compared to classic VSD models.

TWO-STAGE AIREND AND CONNECTIONS

• High efficiency “Two-stage airends” for every kW and pressure screw compressor model

• Optimum minimum-maximum airend rpms for the safe zone of electrical motor

• High flow capacity at optimum shaft power

• Airend design resistant to 16 barg operating pressure

• Quality new generation bearings selected for robust construction and long operating life

• Wide airend discharge connection at specified diameter to reduce pressure loss

• Original couplings to reduce vibration and leaks for minimum connection between two-stage airend and oil separator tank

MAIN MOTOR AND DRIVE SYSTEM

• IE4 class efficiency, IP55/F, PTC protected Electric Motor (optional: IE5 Motor)

• Extra PT100 protection on motor windings

• 1:1 Direct Drive System

• Patented technology, natural rubber elastic coupling element. Long product life, easy to dissamble quickly.

INVERTER (FREQUENCY CONVERTOR) MODULE

• Variable Speed / Speed regulated Operating Mode

• Energy-saving operating mode with a stable pressure point at discharge

• Protection of the compressor unit against peak starting current

• Protection of compressor components with softstarting

• Efficient operation: fast response to fluctuations in compressed air demands

• Control and monitoring of Motor PT100 temperature through inverter panel

• Long product life with high ampere-tolerant invertor selection

• Dual-Inverter System in MASTER-E series (both for the main motor and fan motor)

• Automatic pressure regulation capability from the control panel between 7-13 bar pressure (MASTER-E Series)

ELECTRICAL CABINET

• Includes: inverter set, fan contactor, motor protection switch & fuse, control transformer (24V), Emergency stop switch, on/off switch, control panel (CPU), LCD digital monitor.

ELECTRONIC CONTROL/COMMAND SYSTEM

• Microprocessor-controlled electronic control/command module with Start/Stop mode, total or on-load operating time, pressure regulation, system pressure and oil temperature, protection functions during alarms.

• Automatic operating mode which saves energy

• Message monitoring as text in different languages

• Up to 24 languages

• 3.2″ color LED display monitor

• Sequence operation model up to 8 compressor units

• 10 different user setting profiles

• Password protection to access parameters

• 4 programmable relays

• Integrated main motor and fan motor overcurrent protection

• Display of average value of phase voltages

• 8 qty. maintenance programming

• 50 qty. real-time logs

• Read-write-access parameters, compatible with SCADA systems

• RS485, Airbus, ModbusRTU communication protocols

• Compatible with multi-compressor automation systems for energy algorithms (DCO, P4, SX, XC)

• Ready for Industry 4.0 / IOT configurations

• Remote control/command option

• Compatible with 2014/35/EU and 2014/30/EU: European EMC and LVD directives.

• Robust and resistant ABS plastic cover

COOLING SYSTEM

• High Volume Air Cooler resistant to harsh conditions (minimum load to Dryer)

• New Generation High volume Robust Oil Cooler resistant to thermal expansions and vibrations (optimum Delta T)

• 4 qty. Independent silent motor-integrated Inlet Axial Fans for effective cooling (Some models may differ)

• Quality and long-lasting compressor oil

• Less than 3 ppm oil residual in the discharge compressed air

SEPARATOR SYSTEM

• Original design and production by Sarmak: Vertical Air/Oil Tank certified by TÜV-SÜD/Germany

• Service-friendly, Vertical type Air/Oil separator filter element

OTHER COMPONENTS

• Inlet air filter, intake valve, safety valve, minimum pressure checkvalve, factory filled oil, Sound and vibration insulated canopy, chassis.

MASTER Series Air Compressors – Specifications