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.