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Screw Compressor
VARIABLE SPEED DRIVE SCREW COMPRESSOR 22~315kW (30~400hp)
MICOS VSD(Variable Speed Drive) screw compressor is the optimal choice for reducing energy cost.
In most factories, energy consumed on producing compressed air takes a large portion of total energy expense. During production, demand of compressed air shows different patterns based on time, day and month and general compressor (normal speed drive system) repeats loading/unloading operation according to the demand. MICOS VSD compressor changes drive motor's rotation speed to produce only the necessary amount according to actual demand of compressed air. It eliminates unload operation and frequent restart of compressor and consistent discharge pressure provides energy saving up to 30% of total energy expense.
We guarantee the economical efficiency of the maximum by reducing energy cost.
MICOS VSD compressor produces only the necessary amount demanded by the operation. When demand is low, unloading operation can be eliminated to maximize energy savings. When variable speed compressor and conventional compressor are operated together, excessive initial investment to accommodate for the highest demand can be prevented. Purchasing price of conventional compressor is under 10% of tatal life expense where compressor operational expense is approximately 80%, Although approximately 5% of initial investment expense increases if MICOS VSD type compressor is purchased, the overall life expense can be reduced by 22%.
Analysis on energy reduction theory and economical value
Conventional compressor produces only fixed volume of air from fixed speed because it cannot change the motor's rotation speed. When purchasing a compressor, most factories consider highest demand plus magin. However. the actual compressor operation remains at 50-80% due to continuous changes in demand. Current conventional compressor is unable to comply with constant changes in demand. Therefore. it wastes energy by repeating regulation control, loading / unloading operation and stop and restart MICOS VSD compressor, unlike conventional compressor, uses high elficient inverter and motor to contrd motor rotation speed. The feature charges the discharged air volume to produce only necessary volume: hence saves energy. volume; hence saves energy
MICOS-IV MICOM Control system
MICOS-IV Control with Touch Color LCD having trilingual interface can display a variety of function Such as the operational status of the compressor, equipment protection, and maintenance message output through the appropriate icons available on the display screen, so you can operate the machine with ease and convenience.
ADT : Air Demand Analysis Tool
MICOS VSD compressor is selected through a process where each factory's daily air consumption volume is analyzed using ADT. ADT analyzes customers' air consumption pattern to select maximum energy conserving model and enables simulation on energy consumption with selected model before compressor is installed.


Open discharge pressure selection
The discharged pressure of MICOS VSD compressor can be freely selected within 5~13 bar range with its own controller This feature smoothly copes with main line pressure fluctuation (due to differential pressure from line filter and others) during compressor operation.
High efficiency Inverter and inverter motor
MICOS VSD compressor applies CE and UL approved high-efficient inverter and its own motor to accurately follow highly fluctuating operational characteristics of a compressor. This analysis then controls discharged pressure within 0.1 bar of predetermined Pressure.
The powerful VSD compressor Controller : MICOS-IV
MICOS-IV controller detects system pressure and controls inverter to produce exact quantity of air according to the factory's air demand. So it can save energy cost by reducing the unloading action of other compressors.


1:1 direct driven compressor
AIl MICOS series VSD compressors have direct coupled driven method without acceleration gear box. So they can reduce the transmission loss caused by the gear box and can guarantee high energy efficiency, low maintenance cost and quite operation.



high efficiency inverter
A high-efficiency inverter with CE and UL certification is applied as a basic specification, and the inverter cabinet separated from the moving part can be protected.



Selecting an inverter compressor is determined by accurately analyzing the compressor system condition and compressed air usage pattern of the existing compressors. Air Demand Analysis Tool (ADT) is connected to the customer's compressor to analyze operational characteristics of each machine (based on compressed air usage pattern) for more effective compressor system design.



Each compressor's operational data stored ADT are inputted into analysis program to calculate the daily air usage volume graph and electricity consumption characteristics. Subsequently, optimal equipment construction and investment recovery can be examined by evaluating potential electricity savings resulting from employing standard and interval compressors prior to operation.



▪ TECHNICAL DATA (MICOS 22V~150V)
Article
unit
MICOS 22V
MICOS 37V
MICOS 55V
MICOS 75V
MICOS 110V
MICOS 150V
Compression method
Oil flooded, 1-stage compression
Capacity(F.A.D)(1)
50/60Hz
7bar
m3 /min
1.8~3.90
2.0~6.7
3.1~10.3
4.1~13.7
6.4~21.2
8.3~28.5
9bar
1.0~3.6
1.8~6.1
2.6~9.10
3.6~13.1
5.1~18.6
7.0~26.1
12bar
-
1.4~4.6
2.1~7.1
2.9~9.8
23.8~16.1
5.9~23.0
Compression unit
Driven method
Direct coupled drive
Suction Temperature (3)
¡É
MAX. 40
Outlet Temperature
MAX. suction temperature +15
Cooling method
Air cooled
Motors
Rated power
KW
22
37
55
75
110
160
Input Voltage
V
AC 220 / 380 / 440, 3-phase
AC 380 / 440, 3-phase
Frequency
Hz
50 / 60
starting method
Soft start by Inverter(No peak current)
Pipe connection
25A
32A
50A
65A
Control method
Variable speed drive(MICOS -¥³ controller)
Noise level (2)
dB(A)
65
68
70
71
73
76
weight
kg
670
1,160
1,850
2,040
2,680
3,320
Overall dimension(L x B x H)
mm
1,380¡¿880¡¿1,348
1,700¡¿1,065¡¿1,500
1,900¡¿1,330¡¿1,750
2,482¡¿1,800¡¿1,960

(1) According to ISO1217 Edition3-1966, Annex-C
(2) According to ISO2151 Edition1-1972 .
(3) High temperature packages upto 55¡É are available




▪ TECHNICAL DATA ((MICOS 190V~300V)
Article
unit
MICOS 190V
MICOS 225V
MICOS 260V
MICOS 300V
form
Oil flooded, 1-stage compression
Capacity (F.A.D)(1)
50/60Hz
7bar
m3 /min
10.5~35.0
12.1~40.6
13.5~45.8
17.7~55.3
9bar
8.7~30.0
9.8~33.3
11.0~38.2
15.8~50.2
12bar
7.3~26.8
8.1~29.6
9.1~31.9
13.8~45.0
Compression unit
Driven method
Direct coupled drive
Suction Temperature (3)
¡É
MAX. 40
Outlet Temperature
MAX. suction temperature +15
Cooling method
Air cooled
Motors
Rated power
KW
190
225
260
315
Input Voltage
V
AC 220 / 380 / 440, 3phase
Frequency
Hz
50 / 60
starting method
Soft start by Inverter(No peak current)
Pipe connection
80A
100A
Control method
Variable speed drive(MICOS -¥³ controller)
Noise level (2)
dB(A)
78
79
81
83
weight
kg
4,910
6,260
6,590
7,500
Overall dimension (L x B x H)
mm
3,382¡¿2,100¡¿2,500
3,382¡¿2,100¡¿2,500 (800¡¿1,080¡¿2,500)

(1) According to ISO1217 Edition3-1966, Annex-C
(2) According to ISO2151 Edition1-1972
(3) High temperature packages upto 55¡É are available