Sound-insulated ventilation box

EKR 25 FU

No longer available for delivery
Article number: 0080.0895
Manufacturer: MAICO
Sound-insulated exhaust air box with frequency converter, DN 250, alternating current
Application examples: Extraction hood, Canteen kitchen, Workplace air extraction system, Machine extraction unit
Product data sheet
EKR 25 FU IM0013270.PNG Sound-insulated exhaust air box with frequency converter, DN 250, alternating current
Back
  • On the notes
EKR 35 FU
EKR 40 FU
EKR 25 FU
EKR 31 FU

Characteristic curve

EKR 25 FU - Characteristic curve

  1. Auxiliary characteristics curves for control voltage 0.5 - 10 V

Dimensioned drawing

EKR 25 FU - Dimensioned drawing [mm]

Technical data

EKR 25 FU - Technical data

Article EKR 25 FU
Air flow volume 2.730 m³/h
Rotating speed 2.940 1/min
Speed controllable ✔
Type of voltage Alternating current
Rated voltage 230 V
Frequency 50 Hz
Nominal output 690 W
Inom 3,2 A
Imax 3,3 A
Degree of protection IP X4
Degree of protection for motor IP 55
Insulation class F
Mains cable 5 x 1,5 mm²
Weight 40 kg
Swivelling fan ✔
Nominal size 250 mm
Width with packaging 800 mm
Height with packaging 750 mm
Depth with packaging 675 mm
Airstream temperature at nominal current -20 °C up to 120 °C
Airstream temperature at IMax -20 °C up to 120 °C
Ambient temperature -25 °C up to 40 °C
Packing unit 1 piece
Range E
GTIN (EAN) 4012799808954
Article number 0080.0895

 

63 Hz

125 Hz

250 Hz

500 Hz

1 kHz

2 kHz

4 kHz

8 kHz

Total

LWA2, Level 2 (dB(A))

–

58

58

54

64

61

58

54

68

LWA2, Level 3 (dB(A))

–

58

57

54

65

61

56

51

68

LWA2, Level 4 (dB(A))

–

52

53

54

65

60

55

48

67

LWA2, Level 5 (dB(A))

–

54

54

55

66

61

56

47

68

LWA5, Level 2 (dB(A))

–

71

73

76

74

74

72

65

82

LWA5, Level 3 (dB(A))

–

64

70

76

74

73

71

64

80

LWA5, Level 4 (dB(A))

–

63

72

80

78

79

78

71

85

LWA5, Level 5 (dB(A))

–

65

73

81

78

80

79

73

86

LWA6, Level 2 (dB(A))

–

63

75

76

76

77

73

66

83

LWA6, Level 3 (dB(A))

–

59

70

74

76

75

71

66

81

LWA6, Level 4 (dB(A))

–

59

72

78

80

83

79

74

87

LWA6, Level 5 (dB(A))

–

62

74

80

81

83

80

75

88

LWA2= housing sound power level in dB.

LWA5= free inlet sound power level in dB.

LWA6= free outlet sound power level in dB.

Accessories

EKR 25 FU - Accessories

Specific accessories

Product type Name Art. No. Price*(EUR) Action
Weather protection roof WSD 20-40 0149.0083 on request
  • On the notes

General accessories

Product type Name Art. No. Price*(EUR) Action
Protective grille SGR 25 0150.0127 on request
  • On the notes
Tubular sound absorber RSR 25 Remaining parts 0092.0317 on request
  • On the notes
Tubular sound absorber RSR 25/50 Remaining parts 0092.0327 on request
  • On the notes
Tubular sound absorber RSR 25-1 0092.0598 on request
  • On the notes
Tubular sound absorber RSR 25/50-1 0092.0605 on request
  • On the notes
Air filter TFE 25-4 0149.0079 on request
  • On the notes
Air filter TFE 25-7 0149.0054 on request
  • On the notes
Potentiometer ST EC 010 0157.0110 on request
  • On the notes
Potentiometer ST EC 230 0157.0109 on request
  • On the notes
Potentiometer ST EC 3 0157.0111 on request
  • On the notes
Humidity and temperature sensor FFT 30 K 0157.0121 on request
  • On the notes
Air filter TFE 25-5 No longer available for delivery 0149.0063 on request
  • On the notes
Pressure and temperature control system EAT EC No longer available for delivery 0157.0119 on request
  • On the notes
Temperature control system EAT EC No longer available for delivery 0157.0113 on request
  • On the notes

Product description

Productdescription

EKR 25 FU

short description

Sound-insulated exhaust air box with frequency converter, DN 250, alternating current

Product description

Features

  • Double-walled housing made of galvanised sheet steel, for high demands and especially low noise levels.
  • Supply of medium to large air volumes at high resistances.
  • Not sensitive to hot airstreams of up to 120°C.
  • Inlet and outlet side connection sockets for direct installation in ventilation ducts, with double sealed lips.
  • With mounting tracks and 4 vibration dampers.
  • Fan unit can be swivelled out for cleaning and maintenance.
  • Motor located outside of the air flow.
  • With condensation drain if the exhaust socket points upwards.
  • Strong centrifugal impellers with backward curved blades.
  • Degree of protection X4.

Motor

  • Motor with integrated frequency converter.
  • Speed can be controlled using a 0 - 10 V signal or potentiometer.
  • Inputs for external ON/OFF signal and external nominal value signal (potential-free).
  • An output for potential-free reporting signal.
  • Protected against pulse overvoltage according to EN 61 800-3.
  • Protected against slowly developing overload as well as blocking (IEC 34-11: TP 211).

Mounting instructions

  • Installation with upward, right-hand or left-hand exhaust socket.
  • If the unit is mounted with the exhaust socket pointing to the left or the right, the service door must be altered by the customer.

Electrical connection

  • Externally fitted terminal box with cable screw fittings.

Safety instructions

  • The fan may be operated only if the protection against accidental contact with the impeller is guaranteed to be in accordance with DIN EN ISO 13857 for fans with free inlet or outlet. To do this, fit a protective grille.

Table of contents

Wiring diagram

EKR 25 FU - Wiring diagram

S - fault

B - operation

Min. 5 V DC / 10 mA

Max. 250 V / 2 A

Main switch and fuse provided by customer



Predecessor - successor

EKR 25 FU - Successor

Product type Name Art. No. Action
Sound-insulated ventilation box EKR 25-2 0080.0883
  • On the notes

Notes
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