51
ALNOR
®
ventilation systems
is a legally protected trademark and technical patent. All rights reserved.
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.al
nor
.com.
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User Manual
HRU-PremAIR
• HRU-PremAIR-500
500m
3
/h (@ 100 Pa)
4. Heat exchanger:
plate counter flow
5. Fans:
EC fans
6. Heat recovery efficiency:
• HRU-PremAIR-350
up to 85,5%, according to: EN 13141-7:2010
SUPPLY
EXHAUST
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
600
Alnor new unit
Supply - MAX 8,1V
Exhaust - MAX 7,4V
Supply - MED 6,1V
Exhaust - 5,5V
Supply - MIN 3,2V
Exhaust - MIN 3,1V
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
600
Alnor new unit
Supply - MAX 8,1V
Exhaust - MAX 7,4V
Supply - MED 6,1V
Exhaust - 5,5V
Supply - MIN 3,2V
Exhaust - MIN 3,1V
Air flow [m
3
/h]
0
50
100
150
200
250
300
350
400
450
500
0
100
200
300
400
500
600
Wielob. (SUPPLY)
Wielob. (EXTRACT)
min
med
max
80
82
84
86
88
90
92
94
96
0
100
200
300
400
500
600
E
ffici
en
cy
[%
]
A
ir
flow
[m
3
/h]
T
emperature
efficiency
HRU
-
P
rem
AIR
Wielob. (PremAIR-450 & PremAIR-350)
Efficiency [%]
Air flow [m
3
/h]
Total pressure [P
a]
