Hoval RoofVent CON-9, Design Handbook

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3.5 Heat output
Temperature of the fresh air
°C 0 -5 -10 -15 -20
of the extract air 18
14 13 12 11 10
20
16 15 14 13 12
22
18 17 16 15 14
24
19 18 17 16 15
26
21 20 19 18 17
Air inlet temperature at the heating coil
(with 20 % fresh air)
Table J6: Temperature change through intermixing of recirculation air (all values in °C)
t
AI
10 °C 15 °C 20 °C
LPHW Size Type Q H
max
t
S
Δp
W
m
W
Q H
max
t
S
Δp
W
m
W
Q H
max
t
S
Δp
W
m
W
°C kW m °C kPa l/h kW m °C kPa l/h kW m °C kPa l/h
90/70
LK-6 C 86 8.4 59 9 3800 79 8.3 60 8 3500 72 8.3 60 7 3200
80/60 LK-6 C 73 9.1 52 7 3200 66 8.9 54 6 2900 59 8.8 55 5 2600
70/50 LK-6 C 59 10.2 44 5 2600 53 9.9 46 4 2300 46 9.7 47 3 2000
60/40 LK-6 C 45 12.0 36 3 2000 37 11.7 37 2 1600 29 11.7 37 2 1300
82/71
LK-6 C 82 8.6 57 24 6600 75 8.4 59 20 6000 68 8.3 60 17 5500
90/70 LK-9 C 131 9.0 59 8 5800 121 8.9 60 7 5300 110 8.9 60 6 4900
LK-9 D – – – – – – – – – – – – – – –
80/60 LK-9 C 111 9.7 52 6 4900 101 9.5 54 5 4400 91 9.4 55 4 4000
LK-9 D – – – – – – – – – – – – – – –
70/50 LK-9 C 91 10.9 44 4 4000 81 10.6 46 4 3500 71 10.3 48 3 3100
LK-9 D 124 9.2 57 9 5400 111 9.2 57 7 4800 98 9.1 58 6 4300
60/40 LK-9 C 69 12.8 36 3 3000 57 12.5 37 2 2500 44 12.5 37 1 1900
LK-9 D 99 10.4 47 6 4300 85 10.4 47 4 3700 69 10.4 47 3 3000
82/71 LK-9 C 125 9.2 57 21 10100 115 9.0 59 18 9200 105 8.9 60 15 8400
LK-9 D – – – – – – – – – – – – – – –
Legend: t
AI
= Air inlet temperature at the heating coil
Type = Type of heating/cooling coil
Q = Heat output
H
max
= Maximum mounting height (at room temperature 18 °C)
t
S
= Supply air temperature
∆p
W
= Water pressure drop
m
W
= Water flow rate
— These operating conditions are not permissible, because the maximum supply air temperature of 60 °C is exceeded.
Table J7: Heat output, RoofVent
®
LK
RoofVent
®
LK
Technical data