Owner's manual

800-543-9038 USA 866-805-7089 CANADA 203-791-8396 LATIN AMERICA
364
M
ount
i
n
g
I
nsta
ll
at
i
o
n
R
eversible Clamp Quick Mount
(
NM, AM, GM
)
1
Turn the damper sha
f
t until the blades are
f
ully closed
.
2
Slip the actuator’s universal clamp over the damper shaft. Make sure that
t
h
e
d
uct an
d
t
h
e contro
l
s on t
h
e cover are access
ibl
e.
Pl
ace t
h
e actuator
i
n t
h
e
d
es
i
re
d
mount
i
ng pos
i
t
i
on
.
Hand tighten the two nuts on the actuators universal clamp.
3
Disengage the actuator gear train by pressing the manual override button
an
d
rotate t
h
e c
l
amp unt
il
centere
d
.
Slide the anti-rotation strap up under the actuator so it engages the
actuator at t
h
e center cutout.
B
en
d
t
h
e
b
rac
k
et as nee
d
e
d
to support t
h
e rear
of the actuator. Secure to ductwork with self-tapping screws (No. 8 recom
-
mended)
.
4
L
oosen t
h
e nuts on t
h
e un
i
versa
l
c
l
amp.
P
ress t
h
e manua
l
overr
id
e
b
utton and rotate the clamp to about 5° from the closed position
(
1/16 to 1/8”
b
etween stop and clamp
)
.
Ti
g
h
ten t
h
e two nuts on t
h
e un
i
versa
l
c
l
amp w
i
t
h
a 10 mm wrenc
h
(
see
table
f
or required torque)
.
5
Snap on the refl ective position indicator
.
Ad
j
ust end-stops, if required
.
6
Mount actuators indoors. If mounted outdoors, use a
pp
roved
p
rotective enclo-
sure.
T
he dam
p
er is now
f
ull
y
closed but the actuator is 5°
f
rom
f
ull
y
closed. This is called
“pre-loading” the actuator. When the actuator is powered and sent to the closed
p
osition: it will put its
f
ull torque on the sha
f
t compressing the edge and blade seals.
T
his ensures that the damper will meet its leakage rating. The actuator is electroni
-
c
ally protected
f
rom overload and will not be damaged.
Testin
g
the Installation Without Powe
r
1
. Disen
g
a
g
e the
g
ear train with the manual override button and move the shaft
from closed to open to closed. Ensure that there is no binding and that the
damper goes fully open and closes with 5° of actuator stroke left
.
2
. Correct any problems and retest.
Standard Mounting
M40024 - 05/10 - Sub
j
ect to chan
g
e. © Belimo Aircontrols
(
USA
)
, Inc.