E
LTG Incorporated · PO Box 2889 · Spartanburg, S.C. 29304, USA
Chilled beams HDF-us-OM (01/17)
Phone 864 599-6340, Fax -6344 · [email protected] · www.LTG-INC.net
Former editions are invalid · Subject to technical modifications
page 12 of 30
Installation, operating and maintenance instructions
Active chilled beams HDF-600, ceiling installation
Continuation 4.2 Performance data
Size 1200 (2' x 4'), 2-pipe-system - cooling or heating, air diffusion on 4 sides
V
P
cfm
Δ
p
in H
2
O
L
wA
dB(A)
Q
P
/
Δ
t
BTU/h
·
Δ
t
-1
Q
c
/
Δ
t
BTU/h
·
Δ
t
-1
Q
c tot
1)
BTU/h
w
oc
gpm
Δ
p
w
feet
Q
h
/
Δ
t
BTU/h
·
Δ
t
-1
Q
h tot
2)
BTU/h
w
oh
gpm
Δ
p
w
Ft H
2
O
32
0.28
18
34.1
85.3
2,143
0.75
2.3
75.8
2,119
0.48
1.0
38
0.40
23
39.8
100.5
2,508
89.1
2,446
46
0.60
28
49.3
119.4
3,033
106.1
2,931
39
0.28
22
41.7
94.8
2,446
83.4
2,276
47
0.40
27
49.3
108.0
2,852
96.7
2,600
58
0.60
32
60.7
130.8
3,432
115.6
3,091
49
0.28
26
51.2
102.4
2,784
91.0
2,405
59
0.40
30
62.5
117.5
3,238
104.2
2,729
72
0.60
35
75.8
140.3
3,886
125.1
3,217
62
0.28
30
64.4
111.8
3,170
98.6
2,511
74
0.40
34
77.7
127.0
3,681
113.7
2,825
90
0.60
39
94.8
149.7
4,411
134.6
3,306
77
0.28
33
81.5
119.4
3,613
106.1
2,579
92
0.40
38
96.7
136.5
4,190
121.3
2,880
112
0.60
43
117.5
161.1
5,015
142.2
3,340
98
0.28
37
104.2
128.9
4,193
115.6
2,607
118
0.40
42
123.2
145.9
4,862
130.8
2,876
Size 1200 (2' x 4'), 4-pipe-system - cooling and heating, air diffusion on 4 sides
32
0.28
18
34.1
77.7
1,989
0.75
2.3
55.0
1,436
0.48
1.0
38
0.40
23
39.8
91.0
2,368
66.3
1,699
46
0.60
28
49.3
113.7
2,921
81.5
2,088
39
0.28
22
41.7
87.2
2,323
62.5
1,576
47
0.40
27
49.3
104.2
2,753
73.9
1,839
58
0.60
32
60.7
127.0
3,367
87.2
2,201
49
0.28
26
51.2
98.6
2,702
70.1
1,696
59
0.40
30
62.5
115.6
3,183
81.5
1,948
72
0.60
35
75.8
138.4
3,855
96.7
2,300
62
0.28
30
64.4
108.0
3,125
75.8
1,774
74
0.40
34
77.7
125.1
3,654
87.2
1,992
90
0.60
39
94.8
147.8
4,381
102.4
2,276
77
0.28
33
81.5
119.4
3,589
81.5
1,791
92
0.40
38
96.7
134.6
4,159
92.9
1,938
112
0.60
43
117.5
155.4
4,920
104.2
2,095
98
0.28
37
104.2
127.0
4,152
87.2
1,682
118
0.40
42
123.2
140.3
4,756
92.9
1,696
The chart shows examples for the unit design. A special
selection program is available for other flow rates, pri
mary pressures, temperatures and water flow rates.
Data refer to the unit with secondary air grille
>
63 % free
surface.
Correction for other flow rates see section 4.3 (Caloric …)
1)
61
_
F water supply, 79
_
F air inlet or return air,
61
_
F primary air
2)
104
_
F water supply, 72
_
F air inlet or return air,
61 °F primary air
V
P
- primary air flow rate (± 3 %)
Δ
p
- static pressure at the primary air connection
L
wA
- sound power (± 3 dB)
NC
- expected Noise Criterion adhered based on a
total room sound absorption of 10 dB
Q
P
- air-side cooling capacity (primary air ± 3 %)
Q
c
- water-side cooling capacity (secondary ± 6 %)
Q
c tot
- total cooling capacity
Δ
t
- temp. differ. between air inlet and water supply
w
oc
- standard water flow rate (cooling)
Δ
p
w
- water-side pressure loss
Q
h
- water-side heating capacity (secondary ± 6 %)
Q
h tot
- total heating capacity
w
oh
- standard water flow rate (heating)
Summary of Contents for HDF-600
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