1. 1. Product description:
• Bitzer ECOLINE Series semi-hermetic piston compressor
• Refrigeration parts are all world famous brand
• Multi-level energy adjusting suit for different cooling
capacity consumption
• Protection devices: Wrong direction, Over heating, High
discharging temperature, Low oil position, Oil leakage,
High & low pressure, etc.
Semi-hermetic compressor racks(Bitzer)
www.cryo-systems.comW

2. 2. Main components:
① Compressor ② Crankcase heater ③ Vibration eliminator ④ Oil separator
⑤ Oil balance system ⑥ Oil filter ⑦ Receiver ⑧ Drier & Filter
⑨ Sight glasses ⑩ Gas separator ⑪ Suction filter ⑫ Pressure controller
⑬ Pressure gauge ⑭ Oil protector(with oil pump) ⑮ Electric control
⑯ Cylinder fan(Low temp. Unit) ⑰ PLC controller(Optional) ⑱ Condenser(Optional)
3. Nomenclature:
K B 3 B – 56 M Y
Refrigerant: Y: R404A; F: R22
Temperature: M: -5~+5℃; L: -18~-25℃
Compressor Nominal Power (HP)
Type: B: Compressor rack
Compressor Quantity (PCS)
Compressor type: B: Bitzer piston
K: Open type
www.cryo-systems.com ·2
R404ASemi-hermetic compressor racks

3. Model
KB2B-
18MY 24MY 28MY 36MY 46MY 56MY 68MY 88MY
Power supply 380V/3P/50HZ
Comp.
Type Semi-hermetic piston
Horsepower 18 24 28 36 46 56 68 88
Model 4TES-9Y 4PES-12Y 4NES-14Y 4HE-18Y 4GE-23Y 6HE-28Y 6GE-34Y 6FE-44Y
Qty 2 2 2 2 2 2 2 2
Cap.&input
Te-5℃
Cap (W) 49400 56600 67400 90400 104400 129800 154000 184800
Input (KW) 20.4 22.6 27.3 36.8 44 54 65.4 77.8
Te-10℃
Cap (W) 40200 45600 54600 74200 86000 104200 127600 152800
Input (KW) 18.6 20.5 25 33.8 40.2 49.8 60.2 72
Te-15℃
Cap (W) 32180 36260 43800 60200 70200 82400 104600 125200
Input (KW) 16.6 18.3 22.5 30.6 36.4 45.2 54.8 65.8
Conector
Gas in (mm) φ42 φ54 φ54 φ66 φ66 φ76 φ76 φ76
Liquid Outlet connect(mm) φ22 φ22 φ28 φ28 φ28 φ35 φ35 φ35
Gas connect(mm) φ35 φ35 φ35 φ42 φ42 φ54 φ54 φ54
Liquid Inlet connect(mm) φ28 φ28 φ28 φ35 φ35 φ42 φ42 φ42
Overall sizes
L (mm) 2550 2550 2550 2550 2550 2550 2550 2550
W (mm) 1200 1200 1200 1200 1200 1200 1200 1200
H(mm) 1850 1850 1850 1850 1850 1850 1850 1850
4. Specification:
Based on condensing Temp. 45℃
4.1 Middle temp 2 compressor rack unit
www.cryo-systems.com ·3
R404ASemi-hermetic compressor racks

4. Model
KB3B-
27MY 36MY 42MY 54MY 69MY 84MY 102MY 132MY
Power supply 380V/3P/50HZ
Comp.
Type Semi-hermetic piston
Horsepower 27 36 42 54 69 84 102 132
Model 4TES-9Y 4PES-12Y 4NES-14Y 4HE-18Y 4GE-23Y 6HE-28Y 6GE-34Y 6FE-44Y
Qty 3 3 3 3 3 3 3 3
Cap.&input
Te-5℃
Cap (W) 74100 84900 101100 135600 156600 194700 231000 277200
Input (KW) 30.5 33.9 40.9 55.2 66 81 98.1 116.7
Te-10℃
Cap (W) 60300 68400 81900 111300 129000 156300 191400 229200
Input (KW) 27.8 30.8 37.4 50.7 60.3 74.7 90.3 108
Te-15℃
Cap (W) 48270 54400 65700 90300 105300 123600 156900 187800
Input (KW) 25 27.5 33.7 45.9 54.6 67.8 82.2 98.7
Conector
Gas in (mm) φ54 φ66 φ66 φ76 φ76 φ108 φ108 φ108
Liquid Outlet connect(mm) φ22 φ28 φ28 φ35 φ35 φ42 φ42 φ42
Gas connect(mm) φ35 φ42 φ42 φ54 φ54 φ66 φ66 φ66
Liquid Inlet connect(mm) φ28 φ35 φ35 φ42 φ42 φ54 φ54 φ54
Overall sizes
L (mm) 3150 3150 3150 3150 3150 3150 3150 3150
W (mm) 1000 1000 1000 1000 1000 1000 1000 1000
H(mm) 1850 1850 1850 1850 1850 1850 2000 2000
4. Specification:
Based on condensing Temp. 45℃
4.2 Middle temp 3 compressor rack unit
www.cryo-systems.com ·4
R404ASemi-hermetic compressor racks

5. Model
KB4B-
36MY 48MY 56MY 72MY 92MY 112MY 136MY 176MY
Power supply 380V/3P/50HZ
Comp.
Type Semi-hermetic piston
Horsepower 36 48 56 72 92 112 136 176
Model 4TES-9Y 4PES-12Y 4NES-14Y 4HE-18Y 4GE-23Y 6HE-28Y 6GE-34Y 6FE-44Y
Qty 4 4 4 4 4 4 4 4
Cap.&input
Te-5℃
Cap (W) 98800 113200 134800 180800 208800 259600 308000 369600
Input (KW) 40.7 45.2 54.5 73.6 88 108 130.8 155.6
Te-10℃
Cap (W) 80400 91200 109200 148400 172000 208400 255200 305600
Input (KW) 37.1 41.1 49.9 67.6 80.4 99.6 120.4 144
Te-15℃
Cap (W) 643600 72520 87600 120400 140400 164800 209200 250400
Input (KW) 33.3 36.7 44.9 61.2 72.8 90.4 109.6 131.6
Conector
Gas in (mm) φ54 φ76 φ76 φ76 φ108 φ108 φ108 φ133
Liquid Outlet connect(mm) φ28 φ28 φ35 φ35 φ42 φ42 φ42 φ42
Gas connect(mm) φ42 φ54 φ54 φ54 φ66 φ66 φ66 φ79
Liquid Inlet connect(mm) φ35 φ35 φ42 φ42 φ54 φ54 φ54 φ54
Overall sizes
L (mm) 3800 3800 3800 3800 3800 3800 3800 3800
W (mm) 1000 1000 1000 1000 1000 1000 1000 1000
H(mm) 1850 1850 1850 1850 2000 2000 2000 2000
4. Specification:
Based on condensing Temp. 45℃
4.3 Middle temp 4 compressor rack unit
www.cryo-systems.com ·5
R404ASemi-hermetic compressor racks

6. 4. Specification:
Based on condensing Temp. 45℃
4.4 Low temp 2 compressor rack unit
www.cryo-systems.com ·6
Model
KB2B-
18LY 28LY 36LY 46LY 56LY 68LY 88LY
Power supply 380V/3P/50HZ
Comp.
Type Semi-hermetic piston
Horsepower 18 28 36 46 56 68 88
Model 4TES-9Y 4NES-14Y 4HE-18Y 4GE-23Y 6HE-28Y 6GE-34Y 6FE-44Y
Qty 2 2 2 2 2 2 2
Cap.&input
Te-25℃
Cap (W) 17240 23400 33380 39340 49200 59400 70600
Input (KW) 12.7 17.2 24 28.5 35.38 43.6 52.4
Te-30℃
Cap (W) 12600 17100 24900 29640 36680 45200 53200
Input (KW) 10.8 14.5 20.7 24.7 30.4 37.9 45.4
Te-35℃
Cap (W) 8920 12060 18000 21740 26520 33360 38920
Input (KW) 8.9 11.9 17.5 20.9 25.5 32.4 38.7
Conector
Gas in (mm) φ54 φ54 φ54 φ66 φ66 φ76 φ76
Liquid Outlet connect(mm) φ22 φ22 φ22 φ22 φ28 φ28 φ28
Gas connect(mm) φ35 φ35 φ35 φ42 φ42 φ54 φ54
Liquid Inlet connect(mm) φ28 φ28 φ28 φ28 φ35 φ35 φ35
Overall sizes
L (mm) 2500 2500 2500 2500 2500 2500 2500
W (mm) 1000 1000 1000 1000 1000 1000 1000
H(mm) 1850 1850 1850 1850 1850 1850 1850
R404ASemi-hermetic compressor racks

7. 4. Specification:
Based on condensing Temp. 45℃
4.5 Low temp 3 compressor rack unit
www.cryo-systems.com ·7
Model
KB3B-
27LY 42LY 54LY 69LY 84LY 102LY 132LY
Power supply 380V/3P/50HZ
Comp.
Type Semi-hermetic piston
Horsepower 27 42 54 69 84 102 132
Model 4TES-9Y 4NES-14Y 4HE-18Y 4GE-23Y 6HE-28Y 6GE-34Y 6FE-44Y
Qty 3 3 3 3 3 3 3
Cap.&input
Te-25℃
Cap (W) 25860 35100 50070 59000 73800 89100 105900
Input (KW) 19.1 25.7 36 42.8 53.07 65.4 78.6
Te-30℃
Cap (W) 18930 25650 37350 44460 55020 67800 79800
Input (KW) 16.1 21.7 31.1 37 45.6 56.9 68.1
Te-35℃
Cap (W) 13380 18090 27000 32610 39780 50000 58380
Input (KW) 13.4 17.8 26.3 31.4 38.25 48.6 58.1
Conector
Gas in (mm) φ54 φ54 φ66 φ76 φ76 φ108 φ108
Liquid Outlet connect(mm) φ22 φ22 φ28 φ28 φ28 φ35 φ35
Gas connect(mm) φ42 φ42 φ42 φ42 φ54 φ54 φ54
Liquid Inlet connect(mm) φ28 φ28 φ35 φ35 φ35 φ42 φ42
Overall sizes
L (mm) 3150 3150 3150 3150 3150 3150 3150
W (mm) 1000 1000 1000 1000 1000 1000 1000
H(mm) 1850 1850 1850 1850 1850 1850 1850
R404ASemi-hermetic compressor racks

8. 4. Specification:
Based on condensing Temp. 45℃
4.6 Low temp 4 compressor rack unit
www.cryo-systems.com ·8
Model
KB4B-
36LY 56LY 72LY 92LY 112LY 136LY 176LY
Power supply 380V/3P/50HZ
Comp.
Type Semi-hermetic piston
Horsepower 36 56 72 92 112 136 176
Model 4TES-9Y 4NES-14Y 4HE-18Y 4GE-23Y 6HE-28Y 6GE-34Y 6FE-44Y
Qty 4 4 4 4 4 4 4
Cap.&input
Te-25℃
Cap (W) 34480 46800 66760 78680 98400 118800 141200
Input (KW) 25.4 34.3 48 57.1 70.76 87.2 104.8
Te-30℃
Cap (W) 25240 34200 49800 59280 73360 90400 106400
Input (KW) 21.5 29 41.4 49.3 60.8 75.8 90.8
Te-35℃
Cap (W) 17840 24120 36000 43480 53040 66720 77840
Input (KW) 17.8 23.8 35 41.8 51 64.8 77.4
Conector
Gas in (mm) φ54 φ54 φ66 φ76 φ76 φ108 φ108
Liquid Outlet connect(mm) φ22 φ22 φ28 φ28 φ28 φ35 φ35
Gas connect(mm) φ42 φ42 φ42 φ42 φ54 φ54 φ54
Liquid Inlet connect(mm) φ28 φ28 φ35 φ35 φ35 φ42 φ42
Overall sizes
L (mm) 3150 3150 3150 3150 3150 3150 3150
W (mm) 1000 1000 1000 1000 1000 1000 1000
H(mm) 1850 1850 1850 1850 1850 1850 1850
R404ASemi-hermetic compressor racks