Belimo NFBUP User Manual

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
69
NFBUP, NFBUP-
S
, NFXUP, NFXUP-
S
On/Off, Sprin
g
Return, 24 to 240 VAC
T
orque min. 90 in-lb, for control of air dampers
A
pp
l
i
cat
i
o
n
F
or On/Off, fail-safe control of dampers in HVAC systems. Actuator sizing should be
d
one in accordance with the damper manufacturer’s specifications. Control is On/Off
f
rom an auxiliary contact, or a manual switch.
T
he actuator is mounted directl
y
to a dam
p
er shaft u
p
to 1.05” in diameter b
y
means
o
f its universal clamp. A crank arm and several mountin
g
brackets are available for
a
pplications where the actuator cannot be direct coupled to the damper shaft
.
O
peratio
n
T
he NFB and NFX series actuators provide true spring return operation for reliable fail-
s
afe application and positive close off on air ti
g
ht dampers. The sprin
g
return system
p
rovides constant tor
q
ue to the dam
p
er with, and without,
p
ower a
pp
lied to the
a
ctuator
.
T
he NFB and NFX series provides 95° of rotation and is provided with a graduated
p
osition indicator showin
g
0° to 95°.
T
he actuator ma
y
be stalled an
y
where in its normal rotation without the need of
m
ec
h
a
ni
ca
l
e
n
d
s
wit
c
h
es.
T
he NFBUP-
S
and NFXUP-
S
versions are provided with two built-in auxiliary switches.
T
hese SPDT switches provide safety interfacing or signaling, for example, for fan start
-
u
p. The switchin
g
f
unction at the
f
ail-sa
f
e position is
f
ixed at +10°, the other switch
function is ad
j
ustable between +10° to +90°. The NFBUP, NFBUP-
S
, NFXUP and
N
FXUP-S actuator is shipped at +5°
(
5° from full fail-safe
)
to provide automatic
c
ompression against damper gaskets for tight shut-off
.
Dimensions (Inches [mm])
K7-2 (supplied)
1/2" Centered
(Default)
3/4" Centered
(Field Selectable)
1.05" Centered
(Field Selectable)
WAFBNFBDi
m
Technical Data NFBUP, NFBUP-S, NFXUP, NFXUP-S
P
ower supp
l
y 24...240 VA
C
-20%
/
+10%, 50
/
60 Hz
24...125 VDC ±10%
Power consum
p
tio
n
runnin
g
6 W
holdin
g
2.5 W
Trans
f
ormer sizin
g
6 VA @ 24 VAC
(
class 2 power source
)
6.5 VA @ 120 VA
C
9.5 VA @ 240 VA
C
El
ec
tri
ca
l
co
nn
ec
ti
on
NFBUP
..
.
3
ft, 18
G
A appliance cable, 1
/
2" conduit
connec
t
o
r
-S m
o
dels
:
Two 3 ft, 18 gauge appliance cables
w
ith 1/2” conduit connector
s
NFXUP..
.
3
ft [1m], 10 ft [3m] or 16 ft [5m] 18 G
A
a
pp
liance cable, with or without 1/2” conduit
connecto
r
-S m
o
dels
:
two 3
f
t
[
1m
]
, 10 ft
[
3m
]
or
16 ft [5m] appliance cables with or without 1
/
2"
conduit connectors
Overload protectio
n
electronic throu
g
hout 0 to 95° rotation
Contro
l
on/of
f
Tor
q
ue 90 in-lb
[
10 Nm
]
minimu
m
Direction o
f
rotatio
n
spr
i
ng
r
eversible with
C
W
/CC
W mounting
Mechanical an
g
le o
f
rotation 95°
(
ad
j
ustable with mechanical end stop,
3
5° to 95°
)
Runnin
g
tim
e
mo
t
o
r
< 7
5
seco
n
ds
s
pring
20 seconds
@
-4°F to 122°F
[
-20°
C
to 50°
C]
;
< 60 seconds @ -22°F
[
-30°C
]
P
os
iti
o
n in
d
i
ca
ti
on
v
isual indicator, 0° to 95
°
(
0° is full sprin
g
return position
)
Manual overrid
e
5
mm hex crank
(
³⁄
₁
₆
"
Allen
)
, supplied
Humidit
y
max. 95% RH non-condensin
g
A
m
bi
ent temperatur
e
-22°F to 122°F [-30°
C
to 50°
C
]
S
torage temperatur
e
-40°F to 176°F [-40°
C
to 80°
C
]
Housin
g
Nema 2, IP54, Enclosure Type
2
Housin
g
material zinc coated metal and plastic casin
g
A
gency
li
st
i
ngs
†
cULus acc. to UL60730-1A
/
-2-14,
C
AN/CSA E60730-1:02, CE acc. to
2004
/
108
/
E
C
& 2006
/
95
/
E
C
N
o
i
se
l
e
v
e
l <50dB(A) motor
@
75 second
s
≤62dB(A) spring return
S
ervicin
g
maintenance
f
ree
Q
uality standar
d
I
SO
9001
Wei
g
h
t
4.15 lbs
(
1.9 k
g)
, 4.4 lbs
(
2.0 k
g)
with switche
s
† Rated Impulse Voltage 4kV, Type of action 1.AA (1.AA.B for -
S
version),
C
ontrol Pollution Degree 3.
NFBUP-
S
, NFXUP-
S
Auxiliar
y
switche
s
2 x SPDT 3A
(
0.5A
)
@ 250 VAC, UL approve
d
one set at +10°, one ad
j
ustable 10° to 90°
M40024 - 05/10 - Subject to change. © Belimo Aircontrols (USA), Inc.

Belimo NFBUP Specifications

General

Brand	Belimo
Model	NFBUP
Category	Controller
Language	English