Belimo AFB24-MFT User Manual

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA / CARIBBEAN
4
7
AFB and AFX Series Spring Return Direct Coupled Actuato
r
A
A
pplications
M
inimum 180 in-lb Torque
●
For damper areas up to 45 sq-ft* (For lower torque, see AF, NFB, LF, or TF series
)
Mount directly to 1.05” jackshafts
.
New standard clamp fits standard 1/2” shafts to 1.05”
j
ackshafts.
Linkage solutions are available when direct coupling is not possible.
3/4”
1/2”
1”
A
FB24, AFX24
(
p. 49
)
A
FB24 N4
(
H
)
, AFX24 N4
(
p. 51
)
A
FB24-S, AFX24-S
(
p. 49
)
A
FB24-S N4(H), AFX24-S N4 (p. 51)
A
FBUP, AFXUP
(
p. 53
)
AFBUP
N
4
(H)
,
AFXUP
N
4
(
p. 55
)
A
FBUP-S, AFXUP-S
(
p. 53
)
A
FBUP-S N4
(
H
)
, AFXUP-S N4
(
p. 55
)
A
FB24-SR, AFX24-SR (p. 57)
A
FB24-SR N4
(
H
)
, AFX24-SR N4
(
p. 59
)
A
FB24-SR-S, AFX24-SR-S
(
p. 57
)
A
FB24-SR-S N4
(
H
)
, AFX24-SR-S N4
(
p. 59
)
A
FB24-MFT, AFX24-MFT
(
p. 61
)
A
FB24-MFT N4
(
H
)
, AFX24-MFT N4
(
p. 63
)
A
FB24-MFT-S, AFX24-MFT-S
(
p. 61
)
A
FB24-MFT-S N4
(
H
)
, AFX24-MFT-S N4
(
p. 63
)
A
FB24-MFT95, AFX24-MFT95
(
p. 65
)
A
FB24-MFT95 N4(H), AFX24-MFT95 N4
(p. 67)
T
orque:
180
in-l
b
●
●
●
●
●
● ●
●
●
●
●
●
●
●
●
●
●
●
P
ower su
pp
l
y
:
2
4 VA
C/
D
C
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
1
20 VA
C
●
● ●
●
230
VA
C
●
●
●
●
C
ontrol si
g
nal
:
O
n
/O
f
f
●
●
●
●
●
●
●
●
2
t
o
1
0
VD
C
●
●
●
●
M
u
lti-f
u
n
c
ti
o
n*
*
●
●
●
●
0
t
o
1
35
Ω
●
●
F
eedback si
g
nal
:
VD
C
v
a
ri
ab
l
e
**
●
●
●
●
●
●
R
unning time
m
o
t
or:
<
75 seconds
●
●
●
●
●
●
●
●
95
seco
n
ds
●
●
●
●
Adj
. 70 to 220 secon
d
s
***
●
●
●
●
●
●
spr
i
n
g
: <20 secon
ds
●
●
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●
●
●
●
●
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●
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●
●
●
●
●
B
rushless D
C
Moto
r
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●
●
E
xt
e
rn
a
l
d
ir
ec
ti
o
n
o
f r
o
t
a
ti
o
n
s
wit
c
h
●
●
●
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●
●
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●
●
●
M
anua
l
overr
ide
●
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●
●
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●
●
●
●
A
ppliance rated cable, 18
GA
(default)
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
●
P
lenum rated cable, 18
G
A (optional
)
●
●
●
●
B
uilt-in auxiliar
y
switch, Two SPD
T
●
●
●
●
●
●
●
●
N
EMA 4 rated housin
g
●
●
●
●
●
●
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●
●
I
nstallation instructions......(p. 69-75) General wiring......(p. 77) Start-up and checkout......(p. 78) Electrical operations......(p. 76)
*B
ased
o
n 4 in-l
b/
f
t
2
damper torque loading. Parallel blade. No edge seals. **Default 2 to 10 VDC. ***Default 150 seconds.
AFB, AFX
S
eries -
At A
G
lanc
e
A
A
ll A
c
t
ua
t
o
r
s
have BD
CM
N40103 - 09/11 - Subject to change. © Belimo Aircontrols (USA), Inc
.

Belimo AFB24-MFT Specifications

General

Power Supply	24 V AC/DC
Control Type	Modulating
Angle of Rotation	90°
Running Time	150 s
Protection Class	IP54
Manual Override	Yes
Position Feedback	Potentiometer
Input Signal	4-20 mA
Output Signal	0-10 V
Mounting Type	Direct mounting on actuator
Ambient Temperature	50 °C

Summary

Applications and Product Overview

AFB, AFX Series - At A Glance

Quick comparison of AFB and AFX series features, specifications, and model availability.

AFB24/AFX24 Series: Technical Details

Technical Data and Specifications

Detailed technical specifications for AFB24, AFB24-S, AFX24, AFX24-S actuators.

Application and Operation Principles

Information on how AFB/AFX series actuators are applied and their operational principles.

AFB24 N4/AFX24 N4 Series: Technical Details

Technical Data and Specifications (NEMA 4)

Detailed specifications for NEMA 4 rated AFB24 N4/AFX24 N4 series actuators.

Application and Operation (NEMA 4)

Details on application and operation for NEMA 4 rated AFB/AFX series.

AFBUP/AFXUP Series: Technical Details

Technical Data and Specifications

Specifications for AFBUP/AFXUP series actuators with 24-240 VAC power.

Application and Operation

Details on application and operation for AFBUP/AFXUP series actuators.

AFB24-SR/AFX24-SR Series: Technical Details

Technical Data and Specifications

Specifications for proportional AFB24-SR/AFX24-SR series actuators.

Application and Operation

Details on application and operation for proportional SR series actuators.

AFB24-MFT/AFX24-MFT Series: Technical Details

Technical Data and Multi-Function Technology

Specifications for MFT series actuators, including variable control inputs.

MFT Actuator Operation and Configuration

Details on MFT actuator operation, default settings, and configuration methods.

AFB24-MFT95/AFX24-MFT95 Series: Technical Details

Technical Data and Specifications

Specifications for MFT95 series actuators with Honeywell or 0-135 Ohm input.

Application and Operation

Details on application and operation for MFT95 series actuators.

Installation Instructions: Mechanical

Quick-Mount Visual Instructions

Step-by-step visual guide for quick-mount mechanical installation of actuators.

Dimensions (Inches [mm])

Diagrams and measurements for physical installation of actuators.

Actuator Sizing and Mounting

Determining Torque Loading and Actuator Sizing

Guidelines for selecting the correct actuator size based on damper torque requirements.

Standard Mounting Procedures

Instructions for standard mechanical mounting of actuators.

Advanced Mechanical Installation

Short Shaft and Jackshaft Installation

Instructions for mounting actuators on short shafts and jackshafts.

Multiple Actuator Mounting

Guidance on mounting multiple actuators on a single shaft.

Rotation Limitation and Manual Override

Damper Rotation Limiting

How to use the built-in limiter to control damper rotation range.

Manual Override Operation

Instructions on how to manually position the actuator.

Auxiliary Switches and Electrical Operation

Adjusting Auxiliary Switches

Methods for adjusting the built-in auxiliary switch positions.

Brushless DC Motor and Overload Protection

Explanation of brushless DC motor operation and built-in overload protection.

General Wiring Instructions

Transformer Sizing and Wire Lengths

Guidelines for transformer selection and maximum wire lengths for actuators.

Multiple Actuator Wiring

Rules for wiring multiple actuators from one or multiple transformers.

Initialization of -SR and -MFT Actuators

Procedure for initializing -SR and -MFT actuators upon power application.

Startup and Checkout Procedures

Electrical Check-Out Procedure

Step-by-step guide for verifying actuator operation after installation and wiring.