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800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
17
5
FSAF24-SR
(
-S
)
U
S
P
roportional, Sprin
g
Return, 24 V, 2 to 10 VDC or 4 to 20 mA control si
g
na
l
O
peration at 250°F
f
or limited time per UL555
S
testin
g
T
orque min. 133 in-lb,
f
or control o
f
air dampers
A
pp
l
i
cat
i
o
n
F
or proportional modulation of UL555S rated dampers in HVAC. Actuator sizing should
b
e done in accordance with the damper manufacturer’s specifications
.
T
he actuator is mounted directly to a damper sha
f
t or jacksha
f
t up to 1.05” in diameter
b
y means of its universal clamp. A crank arm and mounting brackets are available if
the actuator cannot be direct coupled to the
j
ackshaft or damper shaft.
T
he actuator operates in response to a 2 to 10 VDC, or with the addition of
a
500
Ω
resistor, a 4 to 20 mA control in
p
ut from an electronic controller or
p
ositioner.
A
2 to 10 VDC feedback si
g
nal is provided for position indication or master-slave
app
lications. See A
pp
lication Bulletin for details.
Op
eratio
n
T
he FSAF series actuators provide sprin
g
return operation. There is no reversin
g
s
witch on the FSAF24-SR. It is direct actin
g
only. A reverse actin
g
si
g
nal is required if
i
t must sprin
g
open while 2V si
g
nal drives it closed. The torque is asymmetrical
g
ivin
g
1
80
i
n-
lb
d
r
i
ve an
d
133
i
n-
lb
spr
i
n
g.
T
he FSAF resets after being driven or springing closed to the 0 position. There is a
p
ossible hysteresis o
f
1° every 1000 changes in signal. This can cause a position shi
f
t.
I
t
i
s recommen
d
e
d
t
h
at power or s
i
gna
l
b
e reset once a wee
k.
A
manual override winder and lockin
g
mechanism is provided. I
f
the manual winder is
u
se
d
w
h
en t
h
e actuator
i
s powere
d
, t
h
e actuator w
ill
re
l
ease an
d
d
r
i
ve c
l
ose
d
to reset
t
h
e 0
d
e
g
ree pos
i
t
i
on.
Th
e actuator may not
b
e mec
h
an
i
ca
ll
y para
ll
e
ll
e
d
or
p
i
ggy
b
ac
k
e
d
.
E
ac
h
d
amper
s
ection should be controlled by a separate actuator
.
T
he wire 5 feedback can be used to
p
arallel u
p
to five additional actuators. If less than
2
.1 V or
g
reater than 9.9V is
g
iven wire 3, actuator drives all the way to the respective
end sto
p.
T
he F
S
AF uses a D
C
motor which is controlled by a microchip The actuator may be
s
talled anywhere durin
g
its rotation without dama
g
e. If power is removed, the damper
w
ill sprin
g
closed. Interlocks must be provided as necessary
f
or li
f
e sa
f
ety
f
unctions
a
nd to shut down
f
an i
f
required.
S
AFETY NOTE
S
crew a conduit fi tting into the actuator’s bushing. Jacket the actuator’s input and
o
utput wiring with suitable fl exible conduit. Properly terminate the conduit in a
s
uitable junction box.
Dimensions (Inches [mm])
1.97"
3.15" [80]
3.86" [98]
3.10" [78]
2.24"
[57]
[50]
1.93"
[49]
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]
Standard:
1/2" to 1.05"
Optional*
3/8" to 3/4"
*with K4 US
clamp
D
001(old)
Technical Data FSAF24-SR(-S) US
P
ower supply 24 VAC ± 20% 50/60 H
z
24 VDC ± 10%
P
ower consum
p
tio
n
r
unning 7 W
,
11 V
A
h
oldin
g
3 W, 5 V
A
T
rans
f
ormer sizin
g
15 VA
(
class 2 power source
)
El
ectr
i
ca
l
connect
i
o
n
FSAF24-S
R
3 ft, 18 GA, 4 color coded leads (24V
)
1/2” conduit connecto
r
FSAF24-SR-S 3 ft, 18 GA appliance cabl
e
1/2” conduit connecto
r
O
verload protectio
n
electronic throughout 0 to 95° rotation
O
peratin
g
ran
ge
2 to 10 VDC
,
4 to 20m
A
I
nput impedance 100 k
Ω
(
0.1 mA
)
, 500
Ω
F
ee
db
ac
k
output
U
2 to 10 VD
C
(max. 0.5 mA) for 95
°
Angle o
f
rotatio
n
mechanically limited to 95°
T
or
q
u
e
133 in-lb
[
15 Nm
]
constant
Direction o
f
rotatio
n
spr
i
n
g
reversible with cw/ccw mountin
g
The control direction switch is not
p
resent. Direct
acting only. 2 VD
C
=Fail-safe position
.
P
osition indicatio
n
visual indicator, 0° to 95°
(
0° spr
i
ng return pos
i
t
i
on
)
Ma
n
ual
o
v
e
rr
ide
3mm hex crank
(
shipped w/actuator
)
R
unning tim
e
m
o
t
o
r
<75 sec. constant, independent o
f
loa
d
sprin
g
< 2
0
seco
n
ds
H
um
idi
ty 5 to 95%
RH
non-con
d
ens
i
n
g
Ambient temperatur
e
norma
l
d
ut
y
-22°F to 122°F
[
-30°
C
to 50°
C]
s
afet
y
dut
y
3 on
/
off c
y
cles after 30 minutes at ambient
temperature of 250°F
[
121°C
]
Stora
g
e temperature -40°F to 176°F
[
-40°C to 80°C
]
H
ousin
g
NEMA t
yp
e 2 / IP4
0
H
ousin
g
materia
l
zinc coated meta
l
Agency listings
cU
L
us
t
o
U
L
8
7
3
a
n
d
CS
A
C
22.2 N
o
. 24-
93
N
o
i
se
l
eve
l
(
max
)
r
unn
i
ng 45
db
(A)
S
ervicin
g
m
a
int
e
n
a
n
ce
f
r
ee
Q
uality standar
d
I
SO
9001, 5 year Belimo warrant
y
W
ei
g
ht 6.0 lbs
(
2.7 k
g
.
)
F
S
AF24-
S
R-
S
US
A
ux
ili
ary sw
i
tc
h
2 x
S
PDT 7A resistive, 2.5A inductive at
120/250VAC. UL Approved, double-insulated,
one set at =+10°, one a
dj
usta
bl
e 30° to 90°
M40024 - 05/10 - Subject to change. © Belimo Aircontrols (USA), Inc.