Installation/Use/Maintenance Instructions
Fan coil units VFC, installation in sills
E
LTG Incorporated · PO Box 2889 · Spartanburg, S.C. 29304, USA
VFC_USA_BA (07/19)
Phone 864 599-6340, Fax -6344 · e-mail: [email protected] · Internet: www.LTG-INC.net
Former editions are invalid · Subject to technical modifications
page 13 of 19
Continuation 4.1 Specifications, dimensions, technical data VFC-0
4.1.4 Standard primary air supply (type VFC-0/./…./…/../FS)
Specification
Fan coil unit special version with fresh air supply, with lat
eral (left, opposite to motor) primary air box in extension
to the recirculating air outlet Optimum fresh air supply is
ensured even with the fan at standstill.
Connection is realized using a dia: 4.0 “ socket, with inte
grated damper (option).
Fan coil unit with one heat exchanger for heating and/or
cooling the ambient air.
Water-side control by valves.
Particularly small built-in depth and height, therefore es
pecially appropriate for a room-saving installation in sills.
Vertical installation. Water connection on the right or left.
Primary air socket laterally left or bottom left (the latter
only with water connection on the right).
Dimensions, weights
Size
A
[inch]
B
[inch]
E
[inch]
Weight *
[lb]
500
20.7
19.5
36.5
31
630
24.7
23.5
40.4
35
800
33.7
32.5
49.5
44
1000
41.6
40.4
57.4
53
1250
49.5
48.7
65.3
64
* approx. values, depending on exact model
Lateral view left side
unit length dimensionA
air outlet dimension B
5.4
total length dimension E
2.6
Ø3
.9
7.8
1.2
Auxiliary view A
Front view
17
6.
5
6.5
2.3
4.
2
2.2
air outlet
fresh air box
Shown: size 800, 4-pipe system
Technical data
See standard units VFC-0/4/…./T and VFC-0/2/…./T.
Acoustic data may increase according to primary air rate.
The sound power level L
WA
[dB(A)] for separate fresh air
box
must be added to the unit's sound power level:
1 socket
(dia: 4.0 “), with aluminum linear grille
V
P
[cfm/ft]
10.7
14.3
17.9
21.4
L
wA P
[dB(A)]
29
31
32
37
Pressure loss
[in(wg)]
0.014 0.024
0.04
0.056
The
total sound power level
may be calculated as
follows: L
wA
= 10 * log (10
0,1*L
wA P
+ 10
0,1 * L
wA
,VFC
)