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Variable air volume controllers
VBC
Water heating coil for circular ducts
Water-heating coil for heating air in ventilation systems
with circular ducts. Aluzinc-coated casing, heat trans-
mission element with copper tubes and aluminium fins.
Removable cover for cleaning the unit.
The water-heating coil can be installed in a horizontal
duct. Max operating temperature 150°C. Max operating
pressure 1.6 MPa (16 Bar) 2- and 3-rows batteries.
Odvod vody
Prívod vody
H
F
H+8
K
B
L
G
G
Ødy
Ø D
VBC ØD B H Ødy F
G K L
kg
100-2 100 179 225 10 137 40 300 380 3.8
100-3 100 180 238 10 100 40 276 356 3.9
125-2 125 179 225 10 137 40 300 380 3.8
125-3 125 255 313 10 175 40 276 356 5.8
160-2 160 253 300 10 212 40 300 380 5.7
160-3 160 255 313 10 175 40 276 356 5.8
200-2 200 253 300 10 212 40 300 380 5.7
200-3 200 330 398 22 250 40 276 356 8.6
250-2 250 328 385 22 250 40 300 380 8.2
250-3 250 405 473 22 325 40 276 356 11.5
315-2 315 403 460 22 325 40 300 380 10.6
315-3 315 504 557 22 400 40 276 356 14.6
400-2 400 479 534 22 400 65 300 430 13.5
400-3 400 539 707 22 425 65 330 460 20.0
500-2 500 529 707 22 425 65 330 460 17.2
VBC
Air flow Pressure
drop
ΔT air at T
water
60/40°C
Water
flow
rate
Water
speed
Pressure
drop Power
ΔT ait at
T water
90/70°C
Water
flow
rate
Water
speed
Pressure
drop Power
(m
3
/h)
(Pa)
(K)
(l/s)
(m/s)
(kPa)
(kW)
(K)
(l/s)
(m/s)
(kPa)
(kW)
100-2 0.04
35
16
0.01
0.15
0.1
0.85
32.5
0.02
0.3
1
1.7
125-2 0.06
72
13
0.01
0.2
0.1
1
28.3
0.03
0.4
1
2.2
160-2 0.1
40
19.9
0.03
0.4
3
2.6
35.8
0.06
0.8
8
4.6
200-2 0.15
73
17.3
0.04
0.6
5
3.5
30.4
0.07
1.1
13
6.1
250-2 0.25
68
17.5
0.07
0.5
3
5.7
31.7
0.13
0.9
7
10.3
315-2 0.39
69
18.1
0.11
0.5
3
9.2
32
0.2
1
8
16.3
400-2 0.63
77
17.7
0.18
0.6
4
14.6
31
0.31
1.1
10
25.5
500-2 0.9
45
19.4
0.28
0.7
6.6
22.7
31
0.31
1.1
10
25.5
Coil calculation
