ML6174, ML7174 NON-SPRING RETURN DIRECT COUPLED ACTUATORS
63-2534—1
3
Three-Minute Models:
90
°
—180 sec.
60
°
—120 sec.
45
°
—90 sec.
Seven-Minute Models:
90
°
—420 sec.
60
°
—276 sec.
45
°
—210 sec.
Damper Shaft Mounting:
Actuator can be mounted with shaft in any position.
Damper Shaft: 3/8 to 1/2 in. (10 to 13 mm) square or
round. Minimum Damper Shaft Length: 1-3/4 in. (45
mm).
Secured Using: Two 1/4 in. (6 mm) 28 NF Allen screws
(see Fig. 6).
Declutch Feature: Provided for ease of mounting.
Approvals:
Underwriter’s Laboratories Inc. Component Recognized:
File No. E4436; Guide No. XAPX2. Meets UL94-5V
plenum requirements.
Canadian Standards Association Certified
(includes
auxiliary switch).
Noise Output:
45 dBA at 1 meter maximum.
Accessories:
200976A Auxiliary Potentiometer (0 to 500 ohm).
200976C Auxiliary Potentiometer (0 to 2000 ohm).
201052A Auxiliary Switch (one).
201052B Auxiliary Switch (two).
4074ENJ Bag Assembly—includes stop pin, shaft adapter,
and two minimum position screws.
4074ENY Bag Assembly—includes stop pin and shaft
adapter.
4074EVK Short Shaft Extender.
7640QW Metal Enclosure—for attaching conduit to
actuator.
T641 Floating Thermostat—for use with seven-minute
models.
T6984 Floating Thermostat—for use with 90-second and
seven-minute models.
T7984 Modulating Thermostat—for use with ML7174.
1
(25)
M10243
CW
COM
CCW
OPTIONAL
AUXILIARY
SWITCH
15/32
(12)
1/8
(3)
5/16 (8)
1-11/16 (43)
11/16
(18)
3-3/8 (86)
4-1/4
(108)
5/32
(9)
4-7/8
(123)
5-9/16
(141)
2-7/8 (73)
1-11/16 (42)
1/8
(3)
1-5/16
(33)
7/8
(22)
2-1/2 (64)
Fig. 1. Approximate dimensions of ML6174A,B DCA in in. (mm).
