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 I6: Temperature change through intermixing of recirculation air (all values in °C)
Unit size 6
t
AI
10 °C 15 °C 20 °C
LPHW Size Type Q H
max
t
S
∆p
W
m
W
Q H
max
t
S
∆p
W
m
W
Q H
max
t
S
∆p
W
m
W
°C kW m °C kPa l/h kW m °C kPa l/h kW m °C kPa l/h
90/70 LH-6 A 44 14.1 33 9 1900 40 13.0 36 8 1800 37 11.9 40 7 1600
LH-6 B 57 11.9 40 15 2500 53 11.3 43 13 2300 48 10.7 46 11 2100
LH-6 C 92 9.2 58 10 4100 84 9.0 60 9 3700 77 9.0 60 8 3400
80/60 LH-6 A 37 16.2 29 7 1600 33 14.1 33 6 1500 30 13.0 36 5 1300
LH-6 B 48 13.3 35 11 2100 44 12.4 38 10 1900 39 11.7 41 8 1700
LH-6 C 78 10.0 51 8 3400 71 9.9 52 7 3100 63 9.6 54 5 2800
70/50 LH-6 A 30 18.8 26 5 1300 27 16.2 29 4 1200 23 14.1 33 3 1000
LH-6 B 39 15.0 31 8 1700 35 13.7 34 7 1500 30 13.0 36 5 1300
LH-6 C 64 11.3 43 6 2800 56 10.9 45 5 2500 49 10.6 47 4 2200
60/40 LH-6 A 22 25.0 22 3 1000 18 20.0 25 2 800 14 16.9 28 1 600
LH-6 B 30 18.8 26 5 1300 26 16.2 29 4 1100 20 15.0 31 3 900
LH-6 C 49 13.0 36 4 2100 40 12.7 37 3 1800 32 12.7 37 2 1400
82/71 LH-6 A 42 14.5 32 25 3400 39 13.0 36 22 3100 36 12.2 39 19 2900
LH-6 B 56 12.2 39 41 4500 51 11.5 42 35 4100 47 10.9 45 30 3700
LH-6 C 88 9.4 56 27 7000 80 9.2 58 23 6500 73 9.0 60 20 5900
Legend: t
AI
= Air inlet temperature at the heating coil
Type = Type of heating 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
Table I7: Heat output, RoofVent
®
LH-6
RoofVent
®
LH
Technical data