FSAF24(-S) US, FSAF120(-S) US
On/Off, Spring Return, Meets 250°F [121°C] for Half Hour, 75 Seconds
Torque min. 133 in-lb, for control of air dampers
Application
For two position control of UL555S rated dampers in HVAC. Actuator sizing should be
done in accordance with the damper manufacturer’s specifications.
The actuator is mounted directly to a damper shaft or jackshaft 3/8” to 1.05” in
diameter by means of its universal clamp. A crank arm and mounting brackets are
available if the actuator cannot be direct coupled to the jackshaft or damper shaft.
Square footage of damper operated will depend on make and model of damper.
Typically 12 sq.ft. minimum up to 24 sq.ft maximum will be operated for UL555S
applications.
Operation
The FSAF series actuators provide true spring return operation for reliable fail-safe
application and positive close-off on UL555S dampers. The spring return system
provides constant torque to the damper with, and without, power applied to the
actuator.
The FSAF series provides 95° of rotation and is provided with a graduated position
indicator showing 0 to 95°. The FSAF has a manual positioning mechanism which
allows the setting of any damper position within its 95° of rotation.
Technical Data
Power supply
FSAF24(-S) US, FSAF120(-S) US
FSAF24(-S) US
FSAF120(-S) US
Power consumption
FSAF24(-S) US
24 VAC 20%, 24 VDC -10% +20%
120 VAC 10%, 50/60 Hz
The actuator is shipped in the zero fail-safe position to provide automatic compression
against damper gaskets for tight shut-off. When power is applied, the manual
mechanism is released and the actuator drives toward the
running 7.5 W, 10 VA, .4 A
open position where it stops rotating.
holding 2 W, 4 VA, .15 A
running 50/60Hz: 9.5 W, 11 VA, .1 A
holding 3.5 W, 6 VA, .05 A
The manual override can also be released physically by the use of a crank supplied
with the actuator.
FSAF120(-S) US
Transformer sizing
Electrical connection
10 VA (Class 2 power source 24V only)
motor 3 ft, 18 ga, 2 color coded leads
1/2” conduit connectors
SAFETY NOTE
Screw a conduit fitting into the actuator’s bushing. Jacket the actuator’s input and
output wiring with suitable flexible conduit. Properly terminate the conduit in a
suitable junction box.
-S models 3 ft, 18 ga, 4 leads appliance cable
1/2” conduit connectors
Overload protection
Angle of rotation
Torque
Direction of rotation
Position indication
electronic throughout 0 to 95° rotation
mechanically limited to 95°
133 in-lb [15 Nm] constant
Dimensions (Inches [mm])
0.65" [16.5]
spring reversible with cw/ccw mounting
Standard:
visual indicator, 0° to 95°
(0° is spring return position)
1/2" to 1.05"
Manual override
Running time
3mm hex crank (shipped w/actuator)
<75 sec. constant, independent of load
spring <20 seconds nominal
Optional*
0.19" [5]
3/8" to 3/4"
Humidity
5 to 95% RH non-condensing
Ambient temperature
3/8" to 5/8"
10.59" [269]
0.39" [10]
0.35" [9]
2.64"
[67]
normal duty -22°F to 122°F [-30°C to 50°C]
safety duty 3 on/off cycles after 30 minutes at ambient
temperature of 250°F [121°C]
-40°F to 176°F [-40°C to 80°C]
NEMA type 1 / IP40
5.85" [148.5]
0.26" [6.5]
Storage temperature
Housing
Housing material
Gears
*with K4 US
clamp
zinc coated metal
permanently lubricated
cULus listed to UL873 and
CAN/CSA C22.2 No.24
1.97"
[50]
Agency listings
Noise level (max)
45 dB (A)
spring return 62 dB
Servicing
Maintenance free
Quality standard
Weight
ISO 9001, 5 year Belimo warranty
(standard / -S model)
FSAF24(-S) US
FSAF120(-S) US
5.7 / 6.2 lbs (2.6 / 2.8 kg)
6.1 / 6.6 lbs (2.8 / 3 kg)
FSAF24-S US, FSAF120-S US
Auxiliary Switch
2xSPST 7A resistive, 2.5A inductive at 120V or
250V, UL Approved, double-insulated, one switch
at 10°, one adjustable from 30° to 90°
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
FSAF230(-S) US
On/Off, Spring Return, 250°F [121°C] for Half Hour, 75 Seconds
Torque min. 133 in-lb, for control of air dampers
Application
For two position control of UL555S rated dampers in HVAC. Actuator sizing should be
done in accordance with the damper manufacturer’s specifications.
The actuator is mounted directly to a damper shaft or jackshaft 3/8” to 1.05” in
diameter by means of its universal clamp. A crank arm and mounting brackets are
available if the actuator cannot be direct coupled to the jackshaft or damper shaft.
Square footage of damper operated will depend on make and model of damper.
Typically 12 sq.ft. minimum up to 24 sq.ft maximum will be operated for UL555S
applications.
Operation
The FSAF series actuators provide true spring return operation for reliable fail-safe
application and positive close-off on UL555S dampers. The spring return system
provides constant torque to the damper with, and without, power applied to the
actuator.
The FSAF series provides 95° of rotation and is provided with a graduated position
indicator showing 0 to 95°. The FSAF has a manual positioning mechanism which
allows the setting of any damper position within its 95° of rotation.
Technical Data
Power supply
FSAF230(-S) US
230 VAC 14%, 50/60 Hz
The actuator is shipped in the zero fail-safe position to provide automatic compression
against damper gaskets for tight shut-off. When power is applied, the manual
mechanism is released and the actuator drives toward the
Power consumption
running 50/60Hz: 11 W, 12 VA, .07 A
holding 3.5 W, 6 VA, .03 A
open position where it stops rotating.
Transformer sizing
Electrical connection
10 VA (Class 2 power source 24V only)
motor 3 ft, 18 ga, 2 color coded leads
1/2” conduit connectors
The manual override can also be released physically by the use of a crank supplied
with the actuator.
-S models 3 ft, 18 ga, 4 leads appliance cable
1/2” conduit connectors
SAFETY NOTE
Screw a conduit fitting into the actuator’s bushing. Jacket the actuator’s input and
output wiring with suitable flexible conduit. Properly terminate the conduit in a
suitable junction box.
Overload protection
Angle of rotation
Torque
electronic throughout 0 to 95° rotation
mechanically limited to 95°
133 in-lb [15 Nm] constant
Direction of rotation
Position indication
spring reversible with cw/ccw mounting
Dimensions (Inches [mm])
visual indicator, 0° to 95°
(0° is spring return position)
0.65" [16.5]
Manual override
Running time
3mm hex crank (shipped w/actuator)
<75 sec. constant, independent of load
spring <20 seconds nominal
Standard:
1/2" to 1.05"
Humidity
5 to 95% RH non-condensing
Ambient temperature
Optional*
normal duty -22°F to 122°F [-30°C to 50°C]
safety duty 3 on/off cycles after 30 minutes at ambient
temperature of 250°F [121°C]
-40°F to 176°F [-40°C to 80°C]
NEMA type 1 / IP40 with flexible conduit
zinc coated metal
0.19" [5]
3/8" to 3/4"
3/8" to 5/8"
10.59" [269]
0.39" [10]
0.35" [9]
2.64"
[67]
Storage temperature
Housing
Housing material
Gears
5.85" [148.5]
0.26" [6.5]
permanently lubricated
Agency listings
cULus listed to UL873 and
CAN/CSA C22.2 No.24
*with K4 US
clamp
Noise level (max)
45 dB (A)
spring return 62 dB
1.97"
[50]
Servicing
Maintenance free
Quality standard
Weight
ISO 9001, 5 year Belimo warranty
6.9 lbs (3.1 kg)
FSAF230-S US
Auxiliary Switch
2xSPST 7A resistive, 2.5A inductive at 120V or
250V, UL Approved, double-insulated, one switch
at <10°, one adjustable from >30° to 90°
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
FSAF230(-S) US
On/Off, Spring Return, 250°F [121°C] for Half Hour, 75 Seconds
Wiring Diagrams
Accessories (AF series accessories may be employed)
IND-AF2
Damper position indicator
K4 US
K4-1 US
K4-H
Universal clamp for 3/8” to 3/4” shafts
Universal clamp for up to 1.05” dia. jackshafts
Universal clamp for hexshafts 3/8” to 5/8”
Crank arm for up to 3/4” round shaft (Series 2)
Crank arm for up to 1.05” jackshaft (Series 2)
V-bolt kit for KH-AF and KH-AF-1
10 mm wrench
Angle of rotation limiter
Universal mounting bracket
Universal mounting bracket
Multiple actuator mounting bracket
Universal mounting bracket
Provide overload protection and disconnect as required.
1
KH-AF
CAUTION Equipment Damage!
Actuators may be connected in parallel.
2
KH-AF-1
KH-AFV
Tool-01
ZDB-AF2 US
ZG-100
ZG-101
ZG-102
ZG-103
ZG-104
ZG-106
Power consumption and input impedance must be observed.
Actuator may also be powered by 24 VDC.
3
No ground connection required. Double insulated.
4
For end position indication, interlock control, fan startup, etc., the
FSAF230-S US incorporates two built-in auxiliary switches: 2 x SPST, 7A
5
resistive, 2.5 inductive @120/250 VAC, UL Approved, one switch is fixed at
10°, one is adjustable from 30° to 90°.
Universal mounting bracket
Mounting bracket for Honeywell Mod IV replacement or new
®
crank arm type installations
Mounting bracket for Honeywell Mod III or Johnson Series
100 replacement or new crank arm type installations
®
®
ZG-107
ZG-108
Meets UL requirements without the need of an electrical ground
connection.
®
®
Mounting bracket for Barber Colman MA 3../4.., Honeywell
®
Meets cULus or UL and CSA Standard requirements without the
need of an electrical ground connection.
Mod III or IV or Johnson Series 100 replacement or new
crank arm type installations
Crank arm adaptor kit for AF/NF
Crank arm adaptor kit for AF/NF
Weather shield (metal)
Weather shield (polycarbonate)
NEMA 4X housing
ZG-AF
ZG-AF108
ZS-100
ZS-150
ZS-300
WARNING Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it may be
necessary to work with live electrical components. Have a qualified licensed electrician or other
individual who has been properly trained in handling live electrical components perform these
tasks. Failure to follow all electrical safety precautions when exposed to live electrical compo-
nents could result in death or serious injury.
22965-00001
12mm form fit square shaft adaptor
For an overview of how to apply the accessories, see Belimo Mechanical Accessories and refer to the Belimo
Mounting Methods Guide.
NOTE: When using FSAFxx (-S) US actuators, only use accessories listed on this page.
Typical Specification
Large combination fire and smoke dampers are to be operated by Belimo FSAF
series actuators. Manufacturer shall provide 5 year warranty.
Actuators shall draw no more than 12VA at 230V or 10 VA at 24V.
Where auxiliary switches are required for signaling, starting fans, or position indica-
tion, -S model actuators, damper blade, or proximity switches shall be provided.
Smaller dampers shall employ Belimo FSLF or FSNF actuators per damper manufac-
turer recommendations.
FSAF24 US and FSAF230 US
Auxiliary switch
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
FSAF24-SR(-S) US
Proportional, Spring Return, 24 V, 2 to 10 VDC or 4 to 20 mA control signal
Operation at 250°F for limited time per UL555S testing
Torque min. 133 in-lb, for control of air dampers
Application
For proportional modulation of UL555S rated dampers in HVAC. Actuator sizing should
be done in accordance with the damper manufacturer’s specifications.
The actuator is mounted directly to a damper shaft or jackshaft up to 1.05” in diameter
by means of its universal clamp. A crank arm and mounting brackets are available if
the actuator cannot be direct coupled to the jackshaft or damper shaft.
The 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 input from an electronic controller or positioner.
A 2 to 10 VDC feedback signal is provided for position indication or master-slave
applications. See Application Bulletin for details.
Operation
The FSAF series actuators provide spring return operation. There is no reversing
switch on the FSAF24-SR. It is direct acting only. A reverse acting signal is required if
it must spring open while 2V signal drives it closed. The torque is asymmetrical giving
180 in-lb drive and 133 in-lb spring.
The FSAF resets after being driven or springing closed to the 0 position. There is a
possible hysteresis of 1° every 1000 changes in signal. This can cause a position shift.
It is recommended that power or signal be reset once a week.
Technical Data
Power supply
FSAF24-SR(-S) US
24 VAC 20% 50/60 Hz
24 VDC 10%
Power consumption
running 7 W, 11 VA
holding 3 W, 5 VA
15 VA (class 2 power source)
A manual override winder and locking mechanism is provided. If the manual winder is
used when the actuator is powered, the actuator will release and drive closed to reset
the 0 degree position.
Transformer sizing
Electrical connection
The actuator may not be mechanically parallelled or “piggybacked.” Each damper
section should be controlled by a separate actuator.
FSAF24-SR
FSAF24-SR-S
Overload protection
Operating range
Input impedance
Feedback output U
Angle of rotation
Torque
3 ft, 18 GA, 4 color coded leads (24V)
1/2” conduit connector
3 ft, 18 GA appliance cable
1/2” conduit connector
electronic throughout 0 to 95° rotation
2 to 10 VDC, 4 to 20mA
100 kΩ (0.1 mA), 500 Ω
2 to 10 VDC (max. 0.5 mA) for 95°
mechanically limited to 95°
133 in-lb [15 Nm] constant
The wire 5 feedback can be used to parallel up to five additional actuators. If less than
2.1 V or greater than 9.9V is given wire 3, actuator drives all the way to the respective
end stop.
The FSAF uses a DC motor which is controlled by a microchip The actuator may be
stalled anywhere during its rotation without damage. If power is removed, the damper
will spring closed. Interlocks must be provided as necessary for life safety functions
and to shut down fan if required.
SAFETY NOTE
Direction of rotation
spring reversible with cw/ccw mounting
The control direction switch is not present. Direct
acting only. 2 VDC=Fail-safe position.
visual indicator, 0° to 95°
Screw a conduit fitting into the actuator’s bushing. Jacket the actuator’s input and
output wiring with suitable flexible conduit. Properly terminate the conduit in a
suitable junction box.
Position indication
(0° spring return position)
Manual override
Running time
3mm hex crank (shipped w/actuator)
motor <75 sec. constant, independent of load
spring < 20 seconds
Dimensions (Inches [mm])
0.65" [16.5]
Standard:
Humidity
Ambient temperature
5 to 95% RH non-condensing
1/2" to 1.05"
normal duty -22°F to 122°F [-30°C to 50°C]
safety duty 3 on/off cycles after 30 minutes at ambient
temperature of 250°F [121°C]
-40°F to 176°F [-40°C to 80°C]
NEMA type 2 / IP40
Optional*
3/8" to 3/4"
0.19" [5]
Storage temperature
Housing
Housing material
Agency listings†
Noise level (max)
Servicing
10.59" [269]
5.85" [148.5]
0.26" [6.5]
zinc coated metal
cULus to UL873 and CSA C22.2 No. 24-93
running 45 db (A)
0.39" [10]
0.35" [9]
2.64"
[67]
maintenance free
Quality standard
Weight
ISO 9001, 5 year Belimo warranty
6.0 lbs (2.7 kg.)
*with K4 US
clamp
1.97"
[50]
FSAF24-SR-S US
Auxiliary switch
2 x SPDT 7A resistive, 2.5A inductive at
120/250VAC. UL Approved, double-insulated,
one set at =+10°, one adjustable 30° to 90°
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
FSAF24-SR(-S) US
Proportional, Spring Return, 24 V, 2 to 10 VDC or 4 to 20 mA control signal
Operation at 250°F for limited time per UL555S testing
Accessories (AF series accessories may be employed)
No ground connection required. Double insulated.
4
5
6
IND-AF2
Damper position indicator
K4 US
K4-1 US
K4-H
Universal clamp for 3/8” to 3/4” shafts
Universal clamp for up to 1.05” dia. jackshafts
Universal clamp for hexshafts 3/8” to 5/8”
Crank arm for up to 3/4” round shaft (Series 2)
Crank arm for up to 1.05” jackshaft (Series 2)
V-bolt kit for KH-AF and KH-AF-1
10 mm wrench
Min. and/or max. positioner in NEMA 4 housing
Min. and/or max. positioner for flush panel mounting
500 Ω resistor for 0 to 20 mA control signal
Angle of rotation limiter
Only connect common to neg. (–) leg of control circuits.
For end position indication, interlock control, fan startup, etc.,
FSAF24-SR-S US incorporates two built-in auxiliary switches:
2 x SPDT, 7A resistive, 2.5A inductive 120/250 VAC, UL Approved, one
switch is fixed at 10°, one is adjustable 30° to 90°.
KH-AF
KH-AF-1
KH-AFV
Tool-01
SGA24
Meets UL requirements without the need of an electrical ground
connection.
SGF24
ZG-R01
ZDB-AF2 US
ZG-100
ZG-101
ZG-102
ZG-103
ZG-104
ZG-106
The ZG-R01 500 Ω resistor converts the 4 to 20 mA control signal to
2 to 10 VDC.
Universal mounting bracket
Universal mounting bracket
Multiple actuator mounting bracket
Universal mounting bracket
WARNING Live Electrical Components!
During installation, testing, servicing and troubleshooting of this product, it may be
necessary to work with live electrical components. Have a qualified licensed electrician or other
individual who has been properly trained in handling live electrical components perform these
tasks. Failure to follow all electrical safety precautions when exposed to live electrical compo-
nents could result in death or serious injury.
Universal mounting bracket
Mounting bracket for Honeywell Mod IV replacement or new
®
crank arm type installations
Mounting bracket for Honeywell Mod III or Johnson Series
100 replacement or new crank arm type installations
®
®
ZG-107
ZG-108
®
®
Mounting bracket for Barber Colman MA 3../4.., Honeywell
®
Mod III or IV or Johnson Series 100 replacement or new
crank arm type installations
Crank arm adaptor kit for AF/NF
Crank arm adaptor kit for AF/NF
Weather shield (metal)
Weather shield (polycarbonate)
Explosion-proof housing
ZG-AF
ZG-AF108
ZS-100
ZS-150
ZS-260
ZS-300
NEMA 4X housing
For an overview of how to apply the accessories, see Belimo Mechanical Accessories and refer to the Belimo
Mounting Methods Guide.
NOTE: When using FSAF24-SR(-S) US actuators, only use accessories listed on this page.
Typical Specification
Proportional smoke, and combination fire and smoke dampers, shall be controlled by
Belimo FSAF24-SR actuators. The control signal shall provide proportional damper
control in response to a 2 to 10 VDC or, with the addition of a 500 Ω resistor, a 4 to
20 mA control input from an electronic controller or positioner. The actuators must be
designed so that they may be used for either clockwise or counter clockwise fail-safe
operation. Actuator shall open damper in <75 seconds per UL555S and shall spring
closed in under 20 seconds. Actuators shall be UL Approved, have a 5-year warranty,
and be manufactured under ISO 9001 International Quality Control Standards.
Actuators shall be as manufactured by Belimo. Actuators with auxiliary switches
must be constructed to meet the requirement for double insulation so an electrical
ground connection is not required to meet agency listings.
Proportional control
Replacement Application
The number one “equal or better” requirement for use as a replacement for obsolete
defective motors is the UL555S listing of the Belimo actuator with the damper for the
application. The local authority having jurisdiction sets the requirements since UL
has stated that they do not regulate replacements.
Wiring Diagrams
Provide overload protection and disconnect as required.
1
CAUTION Equipment Damage!
Actuators may be connected in parallel.
2
Auxiliary switch
Power consumption and input impedance must be observed.
Actuator may also be powered by 24 VDC.
3
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
FSAF24-BAL(-S) US
Spring Return, 24 V, 3-Position, 100% Open Override
Operation at 250°F for limited time per UL555S testing
Application
For 3-position control of UL555S rated dampers in HVAC. Actuator sizing should be
done in accordance with the damper manufacturer’s tests. In the absence of other
information, use 10 in-lb of torque per square foot of area for opposed blade and 14
in-lb for parallel blade fire and smoke dampers at 1000 fpm air velocity.
The FSAF24-BAL is specifically designed to balance the air flow in ducts and
simultaneously provide control of fire and smoke dampers. 0V = spring closed. 24V on
wire 2, not 3 = drive to the potentiometer position (balanced flow). 24V on wire 3,
regardless of the status of wire 2 = drive full open (smoke control extraction or
pressurization). See Application Bulletin for details.
Operation
For 3-position control of UL555S rated dampers in HVAC. Actuator sizing should be
done in accordance with the damper manufacturer’s tests. In the absence of other
information, use 10 in-lb of torque per square foot of area for opposed blade and 14
in-lb for parallel blade fire and smoke dampers at 1000 fpm air velocity.
The FSAF24-BAL is specifically designed to balance the air flow in ducts and
simultaneously provide control of fire and smoke dampers. 0V = spring closed. 24V on
wire 2, not 3 = drive to the potentiometer position (balanced flow). 24V on wire 3,
regardless of the status of wire 2 = drive full open (smoke control extraction or
pressurization).
Technical Data
Power supply
FSAF24-BAL(-S) US
24 VAC 20% 50/60 Hz
24 VDC 10%
Power consumption
running AC 9.5 VA 6.5W
DC 6W
holding AC 5 VA 3W
DC 3W
SAFETY NOTE
The actuator contains no components which the user can replace or repair.
Transformer sizing
Electrical connection
Overload protection
Control signal
10 VA (class 2 power source 24V only)
Dimensions (Inches [mm])
3 ft, 18 GA, 1/2” conduit connector
electronic throughout 0 to 95° rotation
24 VAC/DC 3-position
0.65" [16.5]
Angle of rotation
Torque
20° to 95°, pot adjustable
133 in-lb [15 Nm]
Direction of rotation
Position indication
spring reversible with cw/ccw mounting
visual indicator, 0° to 95°
0.19" [5]
(0° spring return position)
Manual override
Running time
3mm hex crank (shipped w/actuator)
motor <75 seconds @ 250°F [121°C]
spring < 20 seconds
10.59" [269]
5.85" [148.5]
0.26" [6.5]
0.39" [10]
0.35" [9]
2.64"
[67]
Humidity
5 to 95% RH non-condensing
-22°F to 122°F [-30°C to 50°C]
-40°F to 176°F [-40°C to 80°C]
NEMA type 1/IP40 (with flex conduit)
zinc coated metal
Standard
½” to 1.05”
Ambient temperature
Storage temperature
Housing
Housing material
Agency listings†
Noise level (max)
Optional
1.97"
[50]
½”
cULus to UL873 and CSA C22.2 No. 24-93
running <45 dB(A)
spring <62dB(A)
Servicing
maintenance free
Quality standard
Weight
ISO 9001, 5 year Belimo warranty
5.3 lbs (2.4 kg)
5.7 lbs (2.6 kg) for -S model
FSAF24-BAL-S US
Auxiliary switch
2 x SPDT 7A resistive, 2.5A inductive at
120/250VAC. UL listed, double-insulated,
one switch is set at 10°, one is adjustable
30° to 90°
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
FSAF24-BAL(-S) US
Spring Return, 24 V, 3-Position, 100% Open Override
Operation at 250°F for limited time per UL555S testing
Wiring Diagrams
Accessories (AF series accessories may be employed)
IND-AF2
K4-1 US
KH-AF
Damper position indicator
Universal clamp for up to 1.05” dia. jackshafts
Crank arm for up to 3/4” round shaft (Series 2)
Crank arm for up to 1.05” jackshaft (Series 2)
V-bolt kit for KH-AF and KH-AF-1
10 mm wrench
Angle of rotation limiter
Universal mounting bracket
Universal mounting bracket
Universal mounting bracket
Universal mounting bracket
Mounting bracket for Honeywell Mod IV replacement or new
crank arm type installations
Mounting bracket for Honeywell Mod III or Johnson Series
100 replacement or new crank arm type installations
Provide overload protection and disconnect as required.
1
2
KH-AF-1
KH-AFV
Tool-01
ZDB-AF2
ZG-100
ZG-101
ZG-103
ZG-104
ZG-106
CAUTION Equipment Damage!
Actuators may be connected in parallel.
Power consumption and input impedance must be observed.
Actuator may also be powered by 24 VDC.
3
4
Only connect Hot, Wire 2 to Wire 3 override control
For end position, interlock control, fan start-up, etc., FSAF24-BAL-S
incorporates two built-in auxiliary switches: 2 x SPDT, 7A resistive, 2.5A
inductive 120/250 VAC, UL listed, one switch is fixed at 10°, one adjustable
30° to 90°
For end position indication, interlock control, fan startup, etc.,
FSAF24-SR-S US incorporates two built-in auxiliary switches:
2 x SPDT, 7A resistive, 2.5A inductive 120/250 VAC, UL Approved, one
switch is fixed at 10°, one is adjustable 30° to 90°.
®
5
6
®
®
ZG-107
ZG-108
®
®
Mounting bracket for Barber Colman MA 3../4.., Honeywell
®
Mod III or IV or Johnson Series 100 replacement or new
crank arm type installations
Crank arm adaptor kit for AF/NF
Crank arm adaptor kit for AF/NF
Weather shield (metal)
Weather shield (polycarbonate)
NEMA 4X housing
ZG-AF
ZG-AF108
ZS-100
ZS-150
ZS-300
Meets UL requirements without the need of an electrical ground
connection.
6
7
22965-00001
12 mm form fit square shaft adaptor
Double insulated
For an overview of how to apply the accessories, see Belimo Mechanical Accessories and refer to the Belimo
Mounting Methods Guide.
Live Electrical Components!
NOTE: When using FSAF24-BAL(-S) US actuators, only use accessories listed on this page.
During installation, testing, servicing and troubleshooting of this product, it may be
necessary to work with live electrical components. Have a qualified licensed electrician or other
individual who has been properly trained in handling live electrical components perform these
tasks. Failure to follow all electrical safety precautions when exposed to live electrical compo-
nents could result in death or serious injury.
Typical Specification
Where indicated on drawings, combination fire and smoke and balancing dampers
shall be controlled by Belimo FSAF24-BAL or equal actuators. The actuators must
be designed so that they may be used for either clockwise or counter clockwise
failsafe operation. Actuator shall open damper in <75 seconds per UL555S and shall
spring closed in under 20 seconds. Actuators shall have a 5-year warranty and be
manufactured under ISO9001 International Quality Control Standards.
24 VAC Transformer
1
3
Line
Volts
1 Blk Com
2 Red Hot
6
2
3 Override Open
Actuator shall have an adjustable Maximum Opening Potentiometer which shall be
used by the TAB contractor to adjust flow to that portion of the system fed by the
damper.
4
FSAF24-BAL US
The actuator shall spring closed if either the smoke detector or alarm system
removes power from it. Actuator shall spring closed if the primary temperature
thermodisc opens due to high ambient of >165°F or as otherwise indicted on
drawings.
Override control
S1
5
NC
The actuator shall drive full open if either the smoke control system 100% open
override or Fire Fighters Smoke Control Station override is activated. Damper shall
spring closed again if the thermodisc of a combination fire and smoke damper opens
due to high temperature (typically 250°F).
10°
S2
S3
NO
NC
S4
7
S5
S6
30° to 90°
NO
FSAF24-BAL-S US
2
Auxiliary switch
800-543-9038 USA
866-805-7089 CANADA
203-791-8396 LATIN AMERICA
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