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800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
17
7
F
S
AF24-BAL
(
-
S)
U
S
Spring Return, 24 V, 3-Position, 100% Open Overrid
e
O
peration at 250°F
f
or limited time per UL555
S
testin
g
Applicatio
n
F
or 3-position control of UL555S rated dampers in HVAC. Actuator sizing should be
d
one in accordance with the damper manufacturer’s tests. In the absence of other
i
n
f
ormation, use 10 in-lb o
f
torque per square
f
oot o
f
area
f
or opposed blade and 14
i
n-lb for
p
arallel blade fire and smoke dam
p
ers at 1000 f
p
m air velocit
y
.
T
he FSAF24-BAL is specifically designed to balance the air flow in ducts and
s
imultaneously provide control o
f
f
ire and smoke dampers. 0V = sprin
g
closed. 24V on
w
ire 2, not 3 = drive to the potentiometer position (balanced flow). 24V on wire 3,
r
e
g
ardless of the status of wire 2 = drive full open
(
smoke control extraction or
p
ressurization
)
.
S
ee Application Bulletin for details.
Op
eratio
n
F
or 3-position control of UL555S rated dampers in HVAC. Actuator sizing should be
d
one in accordance with the dam
p
er manufacturer’s tests. In the absence of other
i
nformation, use 10 in-lb of tor
q
ue
p
er s
q
uare foot of area for o
pp
osed blade and 14
i
n-lb for parallel blade fire and smoke dampers at 1000 fpm air velocity.
T
he F
S
AF24-BAL is specifically desi
g
ned to balance the air flow in ducts and
s
imultaneously provide control o
f
f
ire and smoke dampers. 0V = sprin
g
closed. 24V on
w
ire 2, not 3 = drive to the potentiometer position
(
balanced flow
)
. 24V on wire 3,
r
egardless o
f
the status o
f
wire 2 = drive
f
ull open (smoke control extraction or
p
ressur
i
zat
i
on
)
.
S
AFETY NOTE
T
he actuator contains no com
p
onents which the user can re
p
lace or re
p
air.
Dimensions (Inches [mm])
1.97"
3.
1
5"
[
80]
3.
8
6"[
9
8]
2
.
2
4
"
[57]
[50]
1.93"
[
4
9]
2.64"
[67]
0.26"[6.5]
5.85"[148.5]
10.59"[269]
0.35"[9]
0.39"[10]
0.65"[16.5]
0.19"[5]
3
.
2
5
"[82.7]
S
tandar
d
½” to 1.05”
Op
tional
½”
70793-00001.
p
df
Technical Data FSAF24-BAL(-S) US
P
ower su
pply
24 VA
C
± 2
0%
50/60
H
z
24 VD
C
± 1
0%
P
ower consum
p
tio
n
runnin
g
AC 9.5 VA 6.5W
D
C
6
W
h
oldin
g
AC 5 VA 3
W
D
C
3
W
Transformer sizing 10 VA (class 2 power source 24V only
)
E
lectrical connectio
n
3 ft
,
18 GA
,
1/2” conduit connecto
r
O
verload
p
rotectio
n
e
l
ectron
i
c t
h
rou
gh
out 0 to 95° rotat
i
o
n
C
ontrol si
g
nal 24 VA
C/
D
C
3-positio
n
Angle of rotatio
n
20° to 95°, pot adjustabl
e
Tor
q
u
e
133 in-lb
[
15 Nm
]
Dir
ec
ti
o
n
of
r
o
t
a
ti
on
s
prin
g
reversible with cw/ccw mountin
g
P
os
i
t
i
on
i
n
di
cat
i
o
n
v
i
sua
l
i
n
di
cator, 0° to 95°
(0° spring return position
)
Manual overrid
e
3mm hex crank
(
shipped w/actuator
)
R
unnin
g
tim
e
m
o
t
or <75 seconds @ 250°F
[
121°C
]
sprin
g
< 20 seconds
H
umidit
y
5 to 95% RH non-condensin
g
Ambient temperatur
e
-22°F to 122°F
[
-30°C to 50°C
]
Stora
g
e temperature -40°F to 176°F
[
-40°C to 80°C
]
H
ous
i
ng NEMA type 1
/
IP40 (with flex conduit
)
H
ousin
g
materia
l
zin
c
coa
t
ed
m
e
t
al
A
gency
li
st
i
ngs
†
cULus to UL873 and
CS
A
C
22.2 No. 24-93
N
oise level
(
max
)
runnin
g
<45 dB
(
A
)
sprin
g
<62dB
(
A
)
Servicin
g
maintenance
f
re
e
Q
uality standar
d
I
SO
9001, 5 year Belimo warranty
W
e
i
g
ht
5.3
lb
s
(
2.4
k
g
)
5.7 lbs
(
2.6 k
g)
for -S model
F
S
AF24-BAL-
S
U
S
A
ux
ili
ary sw
i
tc
h
2 x
S
PDT 7A resistive, 2.5A inductive at
120
/
250VA
C
. UL listed, double-insulated,
one sw
i
tc
h
i
s set at 10°, one
i
s a
dj
usta
bl
e
30° to 90°
M40024 - 05/10 - Subject to change. © Belimo Aircontrols (USA), Inc.
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