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63-2483—2 8
ML6185
INSTALLATION
Fig. 6—ML6185 Actuator standard electrical
connection.
.500
.500
30
30
60
60
90
M7231
MOUNTING
BRACKET
TO JUNCTION
BOX (UP TO
3 FT. AWAY)
Fig. 7—ML6185 Actuator can be mounted in
any position. (NOTE: NEMA rating applies only
with damper shaft in the horizontal position.)
WIRING
CAUTION
Disconnect power supply before wiring to prevent
electrical shock or equipment damage.
All wiring must comply with local electrical codes,
ordinances and regulations. The ML6185 is designed for
use with a Class 2 power supply. Voltage and frequency of
the transformer used must correspond with the characteris-
tics of the motor and those of the power supply. See Fig. 8
for a typical wiring connection.
The ML6185 has an aluminum die cast housing with
two integral cast bosses on the end of the device, tapped for
1/2 in. conduit fittings. Some models are shipped with a
water seal in the conduit opening. When conduit is needed,
remove the seal before routing the cable.
ML6185 models with Factory-mounted Auxiliary
Switches (See Fig. 9)
ML6185C,F models have two nonadjustable line volt-
age rated spdt auxiliary switches with switches factory set
to make common to normally open at 12° and 82° rotation
from the counterclockwise stop. See Fig. 9.
IMPORTANT: Actuators driving in parallel may not be
synchronized with each other. In normal operation, if
all actuators are driven to the fully open or fully closed
position, the actuators will again be synchronized.
Fig. 8—ML6185 typical wiring diagram.
M9384
30
0
60
500
500
90
60
30
L1
(HOT)
L2
1
1
2
2
MOTOR
OPTIONAL
TIME OUT
POWER
SUPPLY
SPRING
CONTROL
24 VAC
OPEN
BLUE
CLOSE
YELLOW
24 HOT
RED
24 GND
BLACK
ML6185
M7224
POWER SUPPLY. PROVIDE DISCONNECT MEANS AND OVERLOAD
PROTECTION AS REQUIRED.
TIME OUT FUNCTION AVAILABLE WITH ML6185D,F MODELS.
WHITE/RED
WHITE/BLUE
WHITE/YELLOW
BLACK/RED
BLACK/BLUE
BLACK/YELLOW
AUX. SWITCHES
3A 120 VAC
12°
82°
M7227A
Fig. 9—ML6185C,F wiring for auxiliary
switches.