LiftMaster Miracle-One MIRACLE ONE Manual - Page 26

LOOP DETECTOR WIRING, Safety Loop, Center Loop, Exit Loop - elite parts

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LOOP DETECTOR WIRING Safety Loop Allows gate to stay open when vehicles are obstructing gate path. Center Loop Allows gate to stay open when vehicles are obstructing gate path. CENTER LOOP SAFETY LOOP STRIKE INPUT GROUND RADIO +24 VOLT +24 VAC INPUT CENTER LOOP SAFETY LOOP STRIKE INPUT GROUND RADIO +24 VOLT +24 VAC INPUT 17 18 19 20 21 22 23 24 25 26 27 Surge Suppressor Removable Terminal Connectors 17 18 19 20 21 22 23 24 25 26 27 Surge Suppressor Elite Part # A 24 19 20 Com N.O. Gnd +24V 23 25 Elite Part # A 24 17 18 Com N.O. Gnd +24V 23 25 For fail safe operation, connect safety loops in series. OUT LSoaofepty L Coeonpter LSoaofepty LoEoxpit IN Exit Loop CENTER LOOP SAFETY LOOP STRIKE INPUT GROUND RADIO +24 VOLT +24 VAC INPUT Removable Terminal Connectors 17 18 19 20 21 22 23 24 25 26 27 Surge Suppressor Elite Part # A 24 Com N.O. Gnd +24V 21 22 23 25 Allows gate to automatically open for exiting vehicles. 25

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CENTER
LOOP
+24 VAC
INPUT
SAFETY
LOOP
STRIKE
INPUT
GROUND
RADIO
+24 VOLT
17
18
19
20
21
22
23
24
25
26
27
Com
N.O.
G
n
d
+24V
23
25
20
19
CENTER
LOOP
+24 VAC
INPUT
SAFETY
LOOP
STRIKE
INPUT
GROUND
RADIO
+24 VOLT
17
18
19
20
21
22
23
24
25
26
27
LOOP DETECTOR WIRING
Com
N.O.
G
n
d
+24V
23
25
22
21
CENTER
LOOP
+24 VAC
INPUT
SAFETY
LOOP
STRIKE
INPUT
GROUND
RADIO
+24 VOLT
17
18
19
20
21
22
23
24
25
26
27
Com
N.O.
G
n
d
+24V
23
25
18
17
OUT
IN
Exit
Loop
Center
Loop
Safety
Loop
Safety
Loop
O
er
Safe
Loo
O
er
Safe
Loo
Allow
s
gate to a
u
tomatically ope
n
fo
r
exiti
n
g
vehicle
s
.
Allow
s
gate to
s
tay ope
n
whe
n
vehicle
s
a
r
e
ob
s
t
ru
cti
n
g gate path.
Allow
s
gate to
s
tay ope
n
whe
n
vehicle
s
a
r
e ob
s
t
ru
cti
n
g gate path.
Fo
r
fail
s
afe ope
r
atio
n
,
co
nn
ect
s
afety loop
s
i
n
s
e
r
ie
s
.
Safety Loop
Center Loop
Exit Loop
Sur
ge
Su
pp
r
e
ss
o
r
Sur
ge
Su
pp
r
e
ss
o
r
Sur
ge
Su
pp
r
e
ss
o
r
Elite Pa
r
t #
A 24
Elite Pa
r
t #
A 24
Elite Pa
r
t #
A 24
Removable Te
r
mi
n
al Co
nn
ecto
rs
Removable
Te
r
mi
n
al
Co
nn
ecto
rs
25