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Reciprocating compressor NTZ271-4B

Reciprocating compressor NTZ271-4B

Producer:
Danfoss
Line: NTZ
  • Cooling capacity [kW]:
    20.50
  • Displacement [m³/h]:
    47.2
  • Refrigerant:
    R404A, R452A
  • Capacity control:
    None
  • Power supply:
    400V/3Ph/50Hz
Ask about product

Data

Technical data

Displacement
[m³/h]
47.2
Swept volume
[cm³]
271.00
Cylinders quantity
4
Oil type
POE 175PZ
Oil charge
[l]
3.90
Internal free volume (suction)
[dm³]
31.0
Internal free volume (discharge)
[dm³]
1.2
Net weight
[kg]
64.00
Gross weight
[kg]
67.50

Electrical data

Power supply
400V/3Ph/50Hz
Maximum continuous current
[A]
27.0
Locked rotor amperage
[A]
96.0
Revolutions per minute
[RPM]
2900
Motor resistance main
[Ω]
1.61

Limits

Maximum suction pressure
[bar]
22.6
Maximum discharge pressure
[bar]
28.5
Maximum suction temperature
[°C]
50.0
Minimum suction temperature
[°C]
-35.0
Maximum discharge temperature
[°C]
150.0
Minimal discharge temperature
[°C]
-35.0

Dimensions

Suction valve diameter
[inch]
1 1/8
Discharge valve diameter
[inch]
3/4
Suction connection thread diameter
[inch]
1 3/4
Discharge connection thread diameter
[inch]
1 1/4
Diameter
[mm]
352
Height
[mm]
519
Oil equalization
3/8" Flare SAE

Other

Product codes
120F0242, 120F0243, 120F0007, 120F0014
Alternative name
NTZ271A4LR1B, NTZ271-4
Approved refrigerants
R404A, R452A
Capacity control
None
Protection rating ¹
IP54
Glass mounting
Threaded
Approvals
CE, UKCA

Shipped equipment

Motor protection
Internal overload protector
Shipped fittings
Suction and discharge solder sleeves, rotolock nuts and gaskets
Shipped mounting
Mounting kit with grommets, bolts, nuts, sleeves and washers

1 With cable gland.

Performance

Invalid data supplied. Correct them and try again.
Performance
Evaporation
Condensation

Cooling capacity [kW]

Evaporation temperature [°C]
Condensation temperature [°C]
 
-45
-40
-35
-30
-25
-20
-15
-10
30
3.81
5.56
7.75
10.41
13.62
17.43
21.91
27.11
35
3.23
4.87
6.89
9.37
12.36
15.91
20.10
24.99
40
2.67
4.17
6.02
8.30
11.05
14.33
18.23
22.79
45
2.11
3.46
5.14
7.20
9.70
12.71
16.29
20.50
50
2.77
4.26
6.09
8.33
11.04
14.29
18.16
55
3.38
4.97
6.94
9.34
12.25
15.74
60
2.53
3.87
5.54
7.62
10.17
13.27

Power consumption [kW]

Evaporation temperature [°C]
Condensation temperature [°C]
 
-45
-40
-35
-30
-25
-20
-15
-10
30
3.75
4.56
5.37
6.20
7.03
7.86
8.68
9.48
35
3.75
4.62
5.51
6.42
7.34
8.26
9.17
10.07
40
3.69
4.64
5.61
6.60
7.60
8.61
9.62
10.62
45
3.59
4.60
5.65
6.73
7.82
8.92
10.03
11.13
50
4.51
5.64
6.80
7.98
9.18
10.38
11.59
55
5.58
6.82
8.09
9.39
10.69
12.01
60
5.45
6.78
8.15
9.54
10.95
12.37

Application range

Legend

  • Suction gas superheating: 10 K
  • Suction gas temperature: 20 K
  • Current operating conditions

Dimensions

Related products

Downloads

NTZ reciprocating compressors Declaration of Conformity
Declaration, [277.6 KB]
Danfoss
03-2024
EN
NTZ reciprocating compressors installation manual
Technical documentation, [979.0 KB]
Danfoss
10-2023
EN
NTZ reciprocating compressors technical documentation
Technical documentation, [3.0 MB]
Danfoss
04-2024
EN
4-cyllinder reciprocating tandem compressors installation manual
Technical documentation, [229.5 KB]
Danfoss
11-2017
EN
NTZ reciprocating compressors Declaration of Conformity
Declaration, EN, Danfoss, 03-2024, [277.6 KB]
NTZ reciprocating compressors installation manual
Technical documentation, EN, Danfoss, 10-2023, [979.0 KB]
NTZ reciprocating compressors technical documentation
Technical documentation, EN, Danfoss, 04-2024, [3.0 MB]
4-cyllinder reciprocating tandem compressors installation manual
Technical documentation, EN, Danfoss, 11-2017, [229.5 KB]

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