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iZN Series Specifications

Semi-hermetic type (24 to 125kW motor rating compressor and racks)

Condensing unit standard specifications (-30 to -50°C)

Unit type
Item
iZN40W iZN70W iZN80W iZN140W iZN160W
Frequency 50/60Hz
Refrigerant NH3
Power source Motor: 380V(Other voltages available), 3 phase
Control circuit: 200 to 230V, 1 phase
Number of compressors 1 Unit 2 Units
Capacity control *1*2*3 Continuous control mode or step control mode (3 steps: 50%, 75% and 100%)
Motor Nominal output (kW) 24 37 45 37×2 45×2
Type Water-cooled semi-hermetic induction type
Starting method Inverter
Condenser Type Horizontal shell and tube (serving also as a receiver)
Receiver capacity (ℓ) 46 32 41 144 122
Refrigerant spatial volume (ℓ) 115 129 172 340 305
Connections Refrigerant gas inlet 50A 80A 80A 80A×2 80A×2
Refrigerant liquid outlet 15A 15A 20A 25A 25A
Refrigerant liquid inlet/outlet Condenser Rc2 Rc3 Rc3 100A 100A
Oil cooler Rc1 Rc1 Rc1 Rc1×2 Rc1×2
Motor Rc1 Rc1 Rc1 Rc1×2 Rc1×2
Lubricating oil (ℓ) *4 14 21 29 29 41
Noise dB(A) *5 73 75 75 78 78
Dimensions
W×D×H (mm)
2115×
1135×
1380
2215×
1200×
1445
2235×
1285×
1455
3130×
1910×
1615
3130×
1910×
1615
Weight (kg) 973 1309 1493 2848 3112

Compressor unit standard specifications (-30 to -50°C)

Unit type
Item
iZN40TUW iZN70TUW iZN80TUW iZN140TUW iZN160TUW iZN200TUW/A iZN240TUW/A
Frequency 50/60Hz
Refrigerant NH3
Power source Motor: 380V (Other voltages available), 3 phase
Control circuit: 200 to 230V, 1 phase
Number of compressors 1 Unit 2 Units 1 Unit
Capacity control *1*2*3 Continuous control mode or step control mode (3 steps: 50%, 75% and 100%)
Motor Nominal output (kW) 24 37 45 37×2 45×2 100 125
Type Water-cooled semi-hermetic induction type Refrigerant liquid injection type
Starting method Inverter
Connections Refrigerant gas inlet 50A 80A 80A 80A×2 80A×2 125A 125A
Refrigerant gas outlet 25A 32A 40A 50A 50A 65A 65A
Refrigerant liquid inlet 15A 25A 25A 25A×2 25A×2 25A 25A
Refrigerant liquid outlet 15A 15A 20A 25A 25A 25A 25A
Refrigerant
liquid
inlet/outlet
Oil cooler Rc1 Rc1 Rc1 Rc1×2 Rc1×2 Rc2/25A Rc2/25A
Motor Rc1 Rc1 Rc1 Rc1×2 Rc1×2 - -
Lubricating oil (ℓ) *4 14 21 29 29 41 65 80
Noise dB(A) *5 73 75 75 78 78 86 90
Dimensions
W×D×H (mm)
1485×
1135×
1385
1660×
1190×
1450
1685×
1260×
1450
2684×
2000×
1615
2684×
2000×
1615
2540×
1405/1480×
1640
2605×
1445/1500×
1640
Weight (kg) 822 1038 1136 2500 2700 2393/2406 2509/2522

*1: The minimum capacity depends on products range and operation conditions (25-45%).

*2: Requested to enter proper signal due to selected running mode.

*3: Partial loading value for step control can be flexibly changed.

*4: Oil quantity is minimum charge only for compressor unit. Actual oil quantity for whole of the plant (system) should be determined at the site referring the oil level of sight glasses during compressor running.
Charge oil on site and replenish when the level gets lower than requested. Use specified refrigeration machine oil (Supplied by user).

*5: Noise level (Scale A) indicates the values measured at 1 meter away from the compressor and 1 meter above from the floor level when the suction pressure saturated temperature is -40°C and without any echo influence. In the actual installed conditions the noise level maybe different from indicated value because of the influence of surrounding noise and echo.

* : Noise control and harmonic suppression measurement should be taken as necessary according to respective guidelines.

* : Electric power for control circuit is requested users to supply.

Cooling capacity / Power consumption (kW)

CT
(°C)
ET
(°C)
iZN40W/TUW iZN70W/TUW iZN80W/TUW iZN140W/TUW iZN160W/TUW iZN200TUW/A iZN240TUW/A
Qo
(kW)
Pw
(kW)
Qo
(kW)
Pw
(kW)
Qo
(kW)
Pw
(kW)
Qo
(kW)
Pw
(kW)
Qo
(kW)
Pw
(kW)
Qo
(kW)
Pw
(kW)
Qo
(kW)
Pw
(kW)
35 -30 50.5 26.5 81.7 40.1 97.6 47.9 163.4 80.2 195.2 95.8 220.8 107.2 259.8 126.1
-35 43.1 26.2 70.4 40.0 84.2 47.8 140.8 80.0 168.4 95.6 201.6 107.4 237.2 126.4
-40 35.4 25.7 57.3 39.1 68.7 46.9 114.6 78.2 137.4 93.8 175.1 104.6 206.0 123.1
-45 27.7 24.9 45.0 38.1 53.9 45.6 90.0 76.2 107.8 91.2 135.9 98.3 159.9 115.7
-50 21.0 24.0 34.3 36.8 39.6 42.5 68.6 73.6 79.2 85.0 101.5 88.8 119.4 104.5
40 -30 50.0 28.1 80.9 42.5 96.6 50.7 161.8 85.0 193.2 101.4 218.4 111.5 256.9 131.2
-35 42.4 27.7 69.3 42.3 82.9 50.6 138.6 84.6 165.8 101.2 199.5 112.8 234.8 132.7
-40 34.7 27.2 56.2 41.4 67.3 49.6 112.4 82.8 134.6 99.2 173.2 111.1 203.8 130.7
-45 27.1 26.4 44.1 40.4 52.8 48.3 88.2 80.8 105.6 96.6 134.3 105.1 158.0 123.7
-50 20.6 25.7 33.6 39.4 38.8 45.5 67.2 78.8 77.6 91.0 100.2 95.8 117.9 112.7

* : This is the case for superheat 0°C and economized middle stage evaporative temperature +5°C

Open type

Compressor unit standard specifications (-30 to -50°C)

Unit type
Item
Inverter Drive Model Full Load Model
iZN16TXⅡ-5A iZN20TXⅡ-3A iZN20TXⅡ-4A SHN20TXⅡ-3A SHN20TXⅡ-4A
Frequency 50/60Hz
Refrigerant NH3
Power source Motor: 380V (Other voltages available), 3 phase
Control circuit: 200 to 230V, 2 phase
Number of compressors 1 Unit
Capacity control *1*2*3 Continuous or step control model Full load model
Motor Nominal output (kW) 135 180 250 220 315
Type TEFC Mo. (IP54)
Starting method Inverter Soft starter / Reactor start
(supplied by user)
Connections Refrigerant gas inlet 125A 200A 200A 200A 200A
Refrigerant gas outlet 65A 100A 100A 100A 100A
Refrigerant liquid inlet 20A 25A 25A 25A 25A
Refrigerant liquid outlet 20A 25A 25A 25A 25A
Refrigerant
liquid
inlet/outlet
Oil cooler Rc2 Rc4 Rc4 Rc4 Rc4
Motor - - - - -
Lubricating oil (ℓ) *4 65 140 240 140 240
Noise dB(A) *5 90 88 90 88 90
Dimensions
W×D×H (mm)
3570×1280×1680 4305×1540×2000 4390×1540×2000
Weight (kg) 3485 4400 5375 4500 5500

*1: The minimum capacity depends on products range and operation conditions (25-45%).

*2: Requested to enter proper signal due to selected running mode.

*3: Partial loading value for step control can be flexibly changed.

*4: Oil quantity is minimum charge only for compressor unit. Actual oil quantity for whole of the plant (system) should be determined at the site referring the oil level of sight glasses during compressor running. Charge oil on site and replenish when the level gets lower than requested. Use specified refrigeration machine oil (Supplied by user).

*5: Noise level (Scale A) indicates the values measured at 1 meter away from the compressor and 1 meter above from the floor level when the suction pressure saturated temperature is -40°C and without any echo influence. In the actual installed conditions the noise level maybe different from indicated value because of the influence of surrounding noise and echo.

* : Noise control and harmonic suppression measurement should be taken as necessary according to respective guidelines.

* : Electric power for control circuit is requested users to supply.

* : *1 to 3 of the above are applied only to inverter model.

Cooling capacity / Power consumption / [Shaft] (kW)

CT
(°C)
Pw
(°C)
iZN 16TXⅡ-5A iZN 20TXⅡ-3A iZN 20TXⅡ-4A SHN 20TXⅡ-3A SHN 20TXⅡ-4A
Qo (kW) Pw (kW) Qo (kW) Pw (kW) Qo (kW) Pw (kW) Qo (kW) Pw (kW) Qo (kW) Pw (kW)
35 -30 249.7 113.3 344.9 140.8 516.8 208.9 409.7 167.3 629.0 254.3
-35 231.0 114.3 300.6 141.0 450.2 209.0 324.0 152.0 497.5 231.0
-40 203.7 114.3 251.2 142.1 376.6 210.9 252.0 142.6 387.2 216.9
-45 159.1 102.7 202.4 139.9 303.6 207.7 192.4 133.0 295.6 202.3
-50 118.3 90.0 150.9 132.0 226.5 196.1 143.5 125.4 220.6 191.0
40 -30 246.3 121.8 344.4 153.4 516.0 227.6 409.1 182.3 628.0 277.1
-35 227.2 123.7 299.9 153.3 449.2 227.3 323.3 165.3 496.5 251.2
-40 200.1 123.1 250.5 155.2 375.5 230.4 251.4 155.8 386.1 236.9
-45 156.3 110.9 201.7 153.4 302.5 227.8 191.8 145.8 294.6 221.8
-50 116.0 97.6 150.2 145.6 225.5 216.3 142.8 138.3 219.6 210.6

* : This is the case for superheat 0°C and economized middle stage evaporative temperature +5°C

Contact

Kobe Steel, Ltd.

International Marketing
Refrigeration System & Energy Department
Compressor Division Machinery Business

TEL:+81-3-5739-5343
FAX:+81-3-5739-5345

Inquiry form

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