Climatizador de Precisión STULZ

05.10.2017

Eduardo Muñoz

Project:

Data sheet

Editor:

Date :

Unit

Unit type: ASU 281 A

Cooling capacity (total): 27,2 kW Airflow: m³/h7.000

Cooling capacity (sensible): 27,2 kW Air velocity: m/s2,7

Net total cooling capacity: 25,4 kW Return air temperature: °C24

Net sensible cooling capacity: 25,4 kW Return air humidity: rel.%40

Condensing temperature: 48 °C Supply air temperature: °C12

EER: 3,24 kW/kW Altitude above sea level: m500

AER: 0,26 W/(m³/h) Height: mm1.980

Sound power level: 78,0 dB(A) Width: mm950

LpA (2m freefield): 59,1 dB(A) Depth: mm890

1Number of refrigerant circuits: Weight: kg342

Number of compressors: 1 Refrigerant: R407C

Power supply: 380-415/3/50

Fan (Data per unit)Fan type: R3G595 kW1,8Power consumption:

Number: 1 100ESP external static pressure: Pa

Max. revolutions: 1.408 U/min Total pressure drop: 562 Pa

Nominal power: 2,9 kW Control voltage: 8,1 V

Revolutions: 1.202 rpm %89Motor-efficiency:

Compressor (Data per compressor)Electrical power consumption: 6,6 kW

Heat rejection: kW33,8

kW/kW4,13COP:

1Number:

Evaporating temperature: 7,9 °C

CondenserUnit type: KSV045A21p Weight: 142 kg

Ambient temperature: 35 °C Current consumption (per fan): 2,30 A

Sound pressure group: Standard Power consumption (per fan): 0,53 kW

Required condenser capacity: 33,8 kW Height: 1.066 mm

Available condenser capacity: 43,5 kW Width: 1.860 mm

Difference: 28,7 % Depth: 920 mm

Number of fans: 2 Airflow: 12.100 m³/h

Number of condensers: 1 LpA (5m freefield): 54,6 dB(A)

Noise data 63 125 250 500 1000 2000 4000 8000 Total NR

59,124,134,142,147,153,154,653,149,61 (dBA)

5 (dB) 47,175,8 69,2 63,2 56,3 40,9 33,1 25,2 76,9 55

4 (dBA) 69,647,7 51,9 72,3 71,170,3 69,2 59,1 77,7

3 (dBA) 72,468,9 71,9 70,4 64,4 59,4 51,4 41,4 76,4

75,940,947,955,963,970,970,961,9 67,92 (dBA)

8 (dB) 60,273,9 68,0 80,9 72,8 70,3 68,269,9 83,0 74

7 (dB) 50,495,1 88,0 81,0 73,6 64,4 58,2 42,5 96,0 76

7390,142,046,963,974,179,584,088,1 54,76 (dB)

2 ; 6 Casing radiated sound power level

without discharge and inlet

3 ; 7 Suction side sound power level

4 ; 8 Discharge sound power level in

accordance to fan-manufacturer dat

1 ; 5 Mean sound pressure level at 2m

distance at free field conditions

The above mentioned data are subject to the measuring tolerances of Eurovent. Unless otherwise stated, all data refer to a product in basic version.

StulzSelect Vers. 3.0.1 - Proj.: # ST-LPISA 2017 ASU 281 A 1 x ASU 281 A

Page 1 of 1

950

1980

62417

5

866

A

Condensate drain

Electrical connection

890

919

9047

8510

125136

208

A

Liquid line

Pressure pipe

Liquid line circuit 1 solder connection 16mmPressure pipe circuit 1 solder connection 22mm

page 1 / 1ASU_281_A_R407C_50Hz

Climatizador de Precisión STULZ

28.09.2017

Eduardo Muñoz

Project:

Data sheet

Editor:

Date :

Unit

Unit type: ASD 281 A

Cooling capacity (total): 27,2 kW Airflow: m³/h7.000

Cooling capacity (sensible): 27,2 kW Air velocity: m/s2,7

Net total cooling capacity: 25,5 kW Return air temperature: °C24

Net sensible cooling capacity: 25,5 kW Return air humidity: rel.%40

Condensing temperature: 48 °C Supply air temperature: °C12

EER: 3,28 kW/kW Altitude above sea level: m500

AER: 0,24 W/(m³/h) Height: mm1.980

Sound power level: 77,7 dB(A) Width: mm950

LpA (2m freefield): 57,6 dB(A) Depth: mm890

1Number of refrigerant circuits: Weight: kg352

Number of compressors: 1 Refrigerant: R407C

Power supply: 380-415/3/50

Fan (Data per unit)Fan type: R3G595 kW1,7Power consumption:

Number: 1 100ESP external static pressure: Pa

Max. revolutions: 1.408 U/min Total pressure drop: 539 Pa

Nominal power: 2,9 kW Control voltage: 8,0 V

Revolutions: 1.182 rpm %89Motor-efficiency:

Compressor (Data per compressor)Electrical power consumption: 6,6 kW

Heat rejection: kW33,8

kW/kW4,13COP:

1Number:

Evaporating temperature: 7,9 °C

CondenserUnit type: KSV045A21p Weight: 142 kg

Ambient temperature: 35 °C Current consumption (per fan): 2,30 A

Sound pressure group: Standard Power consumption (per fan): 0,53 kW

Required condenser capacity: 33,8 kW Height: 1.066 mm

Available condenser capacity: 43,5 kW Width: 1.860 mm

Difference: 28,7 % Depth: 920 mm

Number of fans: 2 Airflow: 12.100 m³/h

Number of condensers: 1 LpA (5m freefield): 54,6 dB(A)

Noise data 63 125 250 500 1000 2000 4000 8000 Total NR

57,622,632,640,645,651,653,151,648,11 (dBA)

5 (dB) 45,674,3 67,7 61,7 54,8 39,4 31,6 23,7 75,4 53

4 (dBA) 68,146,2 50,4 70,8 69,668,8 67,7 57,6 76,2

3 (dBA) 70,967,4 70,4 68,9 62,9 57,9 49,9 39,9 74,9

74,439,446,454,462,469,469,460,4 66,42 (dBA)

8 (dB) 58,772,4 66,5 79,4 71,3 68,8 66,768,4 81,5 73

7 (dB) 48,993,6 86,5 79,5 72,1 62,9 56,7 41,0 94,5 74

7188,640,545,462,472,678,082,586,6 53,26 (dB)

2 ; 6 Casing radiated sound power level

without discharge and inlet

3 ; 7 Suction side sound power level

4 ; 8 Discharge sound power level in

accordance to fan-manufacturer dat

1 ; 5 Mean sound pressure level at 2m

distance at free field conditions

The above mentioned data are subject to the measuring tolerances of Eurovent. Unless otherwise stated, all data refer to a product in basic version.

StulzSelect Vers. 3.0.1 - Proj.: # ST-LPISA 2017 ASD 281 A 1 x ASD 281 A

Page 1 of 1

1980

95015

48890

1991

919

527

81

159

17489

40

50

560

60

Condensate drain 3/4"Humidifier

Electrical connectionControl cable

Pressure pipeLiquid line

Liquid line solder connection 16mmPressure pipe solder connection 22mm

ASD_281_A_R407C_50Hzpage 1 / 1