Heru LP EN

ENERGY RECOVERY UNIT

HERU® LP EC

www.ostberg.com

ENERGY RECOVERY UNIT

HERU® 50 LP EC • Side connections.

• Designed for supply and exhaust air ventilation with energy recovery (FTX).

• Suitable for installation in homes, offices and other premises where there are high demands on the indoor environment.

• High temperature efficiency 82%, low energy consumption (SFP), low sound level, high operating reliability and provides clean indoor air.

• A regenerative, non-hygroscopic, aluminium rotating heat exchanger located in the centre of the unit. The heat exchanger can also be removed for cleaning.

• Comes with F7 compact filter as standard, for both extract and supply air. The filter is very easy to change.

• Integrated controls for heating/cooling.

• Available with or without integrated electric heater.

• Unique design minimizes all thermal bridges.

• For easy handling, the unit is remote-controlled

• The unit is constructed of double-layer galvanized

using the wireless control unit for operation and monitoring.

• For placement in warm areas. Ideal for mounting

• Comes prepared for Modbus communication via RS485.

steel sheet with insulation in between. in small spaces such in the ceiling.

• Available in right-hand design as standard.

• Airflow is generated by two silent radial fans with EC motors. The fans are connected with quick connectors and are very easy to remove for cleaning.

ACCESSORIES

• • • • • • • • • •

Humidity sensor RH/CO2 Freeze protection sensor, Pressure sensor Duct sensor, Room sensor Remote control for Modbus Control board Damper motor with pull back spring Relay pump controls Outside wall hood Silencer Filter Kit

DIMENSIONS (mm) RIGHT-HAND DESIGN

LEFT-HAND DESIGN

CONNECTIONS

• Supply air • Extract air • Exhaust air • Fresh air

Low profile Capacity

Type

Part no.

HERU 50 LP EC AR

8010744

HERU 50 LP EC AL

8010745

HERU 50 LP EC CR

8010746

HERU 50 LP EC CL

8010747

EC = Fans with low-energy motors

H E R U ® 5 0 L P EC AR A = Integrated electric heater C = Without electric heater

R = Right-hand design L = Left-hand design

ENERGY RECOVERY UNIT

HERU® 50 LP EC

HERU

HERU 50 LP EC Supply SUPPLY:

PRESSURE/FLOW

TECHNICAL DATA

PRESSURE/AIRFLOW

0

50

Hz

1

1

~

Current, 2 fans

1,02

1,02

A

Current, electric heater

3,91

–

A

Total current

5,0

1,12

A

Power, 2 fans

115

115

W

Power, electric heater

900

–

W

Total power

1040

142

W

Speed

rpm

3400

41

41

IP

Sound pressure level, 3 m

41

41

dB LpA

Weight

46

45

kg

4040200

4040200

Wiring diagram

SOUND DATA LwA dB (A)

Total

63 Hz

125 Hz

250 Hz

500 Hz

1k Hz

2k Hz

4k Hz

8k Hz

10 V / 40 l/s Surrounding

48

37

44

45

34

30

28

28

28

Supply air

71

59

61

64

64

65

63

58

56

Extract air

70

58

59

63

64

63

61

57

54

Surrounding

46

35

42

43

35

28

26

27

28

Supply air

69

58

59

61

62

63

60

56

52

Extract air

68

56

57

61

62

61

58

54

50

Surrounding

44

33

41

40

32

27

24

26

28

Supply air

66

55

55

59

59

60

56

51

46

Extract air

65

54

55

59

59

58

55

50

45

8 V / 37 l/s

6 V / 31 l/s

4 V / 23 l/s Surrounding

42

29

39

36

26

25

22

26

28

Supply air

62

53

52

55

55

56

51

46

38

Extract air

61

54

51

55

54

54

50

44

36

41

27

39

34

24

25

22

26

28

2 V / 20 l/s Surrounding

300

Supply air

59

51

49

52

52

53

47

42

32

Extract air

58

51

49

52

51

51

46

40

30

250

10V

8V

6V 200

HERU

4V

SFP 2

3V

3400

3 Flow mm3/h Airflow /h

200

400

SFP 1,5

100

Enclosure class

150

500

PRESSURE/AIRFLOW

0 140 400 600 120 500 100 80 300 500 60 400 40 20 0 200 400 300 0,00

50

100

8V 6V 4V

150

6V

4V

10V0,04 SFP 2 SFP 1,5 6V 100 10V 300 8VSFP 1 200 4V SFP 2 6V 3V 0 SFP 1,5 200 4V 1000,00 0,02 0,04 SFP 2 3V TEMPERATURE EFFICIENCY SFP 1 1,5 SFP 100 90 0 SFP 1 0,00 0,02 0,04 85 0 TOTAL FAN0,02 POWER 0,00 0,04 80 120 75 100 0,04 TOTAL FAN0,02 POWER 80 0,00 60 TOTAL POWER/AIRFLOW 40 TOTAL FAN POWER 120 6V 20 100 3V 4V 0 80 120 0,02 0,04 600,00 100 40 80 6V 20 60 3V 4V 0 40 0,02 0,04 6V 200,00 3V 4V 0 0,00 0,02 0,04 TEMPERATURE EFFICIENCY 3V

250

10V

3V

0,02 8V

8V

0,06

0,06

2016

1254/2014

0,08 Flow m3/s

0,06

0,08 Flow m3/s 0,06 0,08 Flow mm33/s/s Airflow 0,06

0,08

Flow m3/s 10V

8V 0,06

0,08 10V 8V Flow m3/s

8V 0,06

10V 0,08

Airflow m3 3/s

Flow m /s 0,06 0,08 Flow m3/s

80 90 TEMPERATURE EFFICIENCY 75 85 90 0,00 80 85

0,02

0,04

0,06

0,08 Airflow Flow mm33/s/s

75 80

2V

148 m³/h

0,08 Flow m3/s

85 TEMPERATURE EFFICIENCY

75 10,00

dB

10V

90

0,00 VOLTAGE 0,02 CONTROL

44

HERU

Airflow m3/h

200

TEMPERATURE EFFICIENCY

HERU 50 LP EC

HERU

HERU SFP 501 LP EC Extract

0 PRESSURE/FLOW 0,00 0,02 0,04 0,06Flow m3/h0,08 3 EC Extract 0 50HERU10050 LP 150 200 250 mm3/s Airflow /s Flow 600 HERU 50 LP EC Extract PRESSURE/FLOW Flow m3/h 50 100 150 200 250 500 0EXTRACT: PRESSURE/FLOW 600 TOTAL FAN POWER Flow m3/h

Static Pressure Pa Pressure Pa Static Pressure Pa Power WStatic

Phase

Static Pressure Pa

V

50

Static pressure Pa

C 230

Static pressure Pa

Frequency

A 230

Power Power W W W Power W Efficiency η % Power

Voltage

100

600

Efficiency η Efficiency % Efficiency η % Efficiency η %η %

HERU 50 LP EC ®

50

2 4V

3 0,02 6V

0,04

0,06

4 0,04 5 8V

10V

0,08

Flow m3/s 0,06 0,08 Flow m3/s

Pressure/airflow diagrams apply for both supply and extract air. Power and SFP apply for both of the fans together.

Sida 1

ENERGY RECOVERY UNIT

HERU® 90 LP EC • Side connections.

• Designed for supply and exhaust air ventilation with

• A regenerative, non-hygroscopic, aluminium rotating heat exchanger located in the centre of the unit. The heat exchanger can also be removed for cleaning.

energy recovery (FTX).

• Suitable for installation in homes, offices and other

ACCESSORIES

• Comes with F7 compact filter as standard, for

premises where there are high demands on the indoor environment.

• • • • • • • • • •

both extract and supply air. The filter is very easy to change.

• High temperature efficiency 82%, low energy

• Integrated controls for heating/cooling.

• Available with or without integrated

consumption (SFP), low sound level, high operating reliability and provides clean indoor air.

electric heater.

• Unique design minimizes all thermal bridges.

• For easy handling, the unit is remote-controlled

• The unit is constructed of double-layer galvanized

using the wireless control unit for operation and monitoring.

• For placement in warm areas. Ideal for mounting

steel sheet with insulation in between. in small spaces such in the ceiling.

• Comes prepared for Modbus communication

• Available in right-hand design as standard.

via RS485.

• Airflow is generated by two silent radial fans with EC motors. The fans are connected with quick connectors and are very easy to remove for cleaning.

Humidity sensor RH/CO2 Freeze protection sensor, Pressure sensor Duct sensor, Room sensor Remote control for Modbus Control board Damper motor with pull back spring Relay pump controls Outside wall hood Silencer Filter Kit

DIMENSIONS (mm) RIGHT-HAND DESIGN

Ø10 (x4)

502

540

996

LEFT-HAND DESIGN 961 1074 130

110

253 48

231

139

163

Ø 100

204

490

Ø125

Ø 125

Ø 125

490

502

540

Ø125

190

112

349

Ø10 (x4)

135

996

961 1074 139

253 48

231

Ø125

190

112

130

Ø 100

• • • •

Supply air Extract air Exhaust air Fresh air

Ø 125

Ø 125

490

490

CONNECTIONS

Low profile Capacity

Type

Part no.

HERU 90 LP EC ARC

8010736

HERU 90 LP EC ALC

8010737

HERU 90 LP EC AR

8010738

HERU 90 LP EC AL

8010739

HERU 90 LP EC CR

8010740

HERU 90 LP EC CL

8010741

EC = Fans with low-energy motors

H E R U ® 9 0 L P EC AR A = Integrated electric heater C = Without electric heater

R = Right-hand design L = Left-hand design

ENERGY RECOVERY UNIT

HERU® 90 LP EC SUPPLY: TECHNICAL DATA

PRESSURE/AIRFLOW

Voltage Frequency

600

A

C

230

230

V

50

50

Hz

1

1

~

Current, 2 fans

1,89

1,89

A

Current, electric heater

3,91

–

A

Total current

5,90

1,99

A

Power, 2 fans

242

242

W

Phase

900

–

W

Total power

1170

269

W

Speed

2710

2710

Enclosure class

41

41

IP

Sound pressure level, 3 m

46

46

dB LpA

46

45

kg

4040200

4040200

Power, electric heater

Weight Wiring diagram

100

Airflow m3/h

200

300

400 300 SFP 2

200

SFP 1,5

100

rpm

SFP 1

2.

1.

0 0,00 0 600

0,02 0,04 100

0,06 200

500 0EXTRACT:100 600

200

0 400 300 600 500 250

200

3. 4. 5.

0,08 300

SOUND DATA Total

63 Hz

125 Hz

250 Hz

500 Hz

1k Hz

2k Hz

4k Hz

53

33

47

51

44

36

35

33

31

Supply air

77

64

63

68

70

70

72

67

67

Extract air

61

51

58

56

47

45

43

33

23

Surrounding

52

32

44

50

43

35

34

32

30

Supply air

76

60

62

66

68

68

70

65

65

Extract air

60

50

57

55

46

45

41

32

22

8 V / 79 l/s

Static pressure Pa

10 V / 84 l/s

6 V / 68 l/s Surrounding

50

30

42

48

39

33

31

30

29

Supply air

73

58

59

63

65

66

66

62

61

Extract air

57

47

53

53

45

42

37

30

17

Surrounding

45

25

38

43

35

31

27

27

28

Supply air

68

55

56

60

61

63

60

57

54

Extract air

53

41

50

49

40

38

32

25

11

Surrounding

40

19

31

38

29

26

23

26

28

Supply air

62

52

51

54

54

57

52

48

41

Extract air

47

35

43

43

35

32

25

18

4

Power W

4 V / 54 l/s

2 V / 38 l/s

1.

Efficiency η %

SFP 0,04 1

0,02

0,02

0,04

2016

1254/2014

400

4.

5.

0,10

0,12

3. 4. 5.

0,08

2.

0,10

0,12

3. 4. 5.

0,08

0,10

0,12

3. 4. 5.

0,06

0,08

0,08

2.

0,08

0,10

0,12

0,10

5.0,12

Airflow m3/s

3.

4.

4.

5.

0,10

0,12

0,08

0,10

0,12

0,08

0,10

0,12

2.

3.

Airflow m3/s

TEMPERATURE EFFICIENCY

85 90 80 85 75 0,00 80

0,02

0,04

0,06

Airflow m3/s

75

253 m³/h

2.

2.

0,00 VOLTAGE 0,02 0,04 CONTROL

dB

0,08

0,06

1.

3.

2.

300 250 75 200 0,00 0,02 0,04 0,06 150 TOTAL POWER/AIRFLOW 300 100 250 50 1.

200 0 1500,00 0,02 0,04 0,06 100 50 1.

0 0,00 0,02 0,04 0,06

90

HERU 90 LP EC

1.

SFP 1,5 2 0,02 SFP 0,04 0,06 SFP 1 SFP 1,5

100 0 90 0,00 85 0 800,00

400

300

50 SFP 1. 2 200 0 400 3000,00 0,02 0,06 Cooker hood 0,04 SFP 1,5 100 SFP 2 300 SFP 1 200 0 200 1000,00

0,12

400 Airflow m3/s

Airflow m3/h

200 300 150 500 400 100

8k Hz

Surrounding

100

0,10

300

PRESSURE/AIRFLOW

LwA dB (A)

400

500

Static pressure Pa

HERU® 90 LP EC

0

0,06

0,08

1

2

3

4

5

2V

4V

6V

8V

10V

0,10

Pressure/airflow diagrams apply for both supply and extract air. Power and SFP apply for both of the fans together.

0,12

ENERGY EFFICIENT VENTILATION! Meet our HERU® LP, low profile energy recovery unit. With only 230 mm in height it takes a minimum of space and is suitable for installation in the ceiling.

Our range of air handling units with energy recovery includes products for all kinds of homes, schools, offices and indoor pool areas. A healthy indoor environment with maximum comfort and minimum energy consumption is achieved by controlled ventilation with energy recovery.

HERU supplies the building with fresh (warm or cool), filtered and clean air. HERU® recovers 86% of the used indoor heat (alternatively cooled air) from the exhaust airstream. Through its award-winning design units meets the requirements of high efficiency, low power consumption, quiet operation and high reliability. ®

Quality has always been an essential part of H. Östberg AB. The company is certified according to the quality and the environment standards ISO 9001 and ISO 14001.

These high demands guarantee an efficient and rational production of high standard products.

All our units are tested before delivery, which gives us a 100% control of the production.

H. ÖSTBERG AB

Box 54, SE-774 22 Avesta, Sweden Phone: +46 226 860 00 Fax: +46 226 860 05 E-mail: info@ostberg.com www.ostberg.com

H. Östberg AB-HERU® LP EC 2017

The quality of air directly affects the way we feel, not only physically but also spiritually. Therefore use Östberg quality products in order to achieve a healthy indoor climate with energy efficient ventilation.