Honeywell ML7999C Product Data page 2

ML7999C UNIVERSAL PARALLEL-POSITIONING ACTUATOR
Vibration: 0.0 to 0.5g continuous (V2 level).
Control Signal (at 5 mA current):
Drive Clockwise: Minimum 4.25 Vdc differential between
DR1-DR2.
Drive Counterclockwise: Maximum -4.25 Vdc differential
between DR1-DR2.
NOTE: Actuator does not respond until the 8-digit ID sig-
nal from the R7999C is passed via DR1-DR2.
Actuator Stroke: 95° nominal ± 3°, mechanically limited.
Output Hub Position Accuracy: ±0.1°.
Torque Ratings at Rated Voltages:
Lift and Hold Minimum: 100 lb-in. (11.3 Nm).
Breakaway Minimum: 100 lb-in. (11.3 Nm).
Stall Minimum: 100 lb-in. (11.3 Nm).
Stall Maximum: 150 lb-in. (17 Nm).
Actuator Design Life (at 100 lb-in.):
Full-Stroke Cycles: 100,000 minimum.
Repositions: 2,000,000 minimum.
Feedback Potentiometer: Total Resistance:
5000 ohms ±10%.
Actuator Timing (90° Travel):
Standard: 24 to 30 seconds.
Derated Cold-Start Timing (from -40°F to -20°F
(-40°C to -29°C): 150 seconds maximum.
Noise Rating: 55 dBA maximum at 1m during normal
operation.
Mounting:
Mounts directly on 1/2 in. (13 mm) round or square shaft.
With proper accessories, mounts to 5/16 in. and 3/8 in.
(8 mm, 10 mm) round or square shafts; 9/16 in., 5/8
in., and 3/4 in.
(14 mm, 16 mm, and 19 mm) round shafts.
IMPORTANT
Tighten hub setscrews to a torque of
60 lb-in. ±10 lb-in.
ORDERING INFORMATION
When purchasing replacement and modernization products from your TRADELINE® wholesaler or distributor, refer to the
TRADELINE® Catalog or price sheets for complete ordering number. If you have additional questions, need further
information, or would like to comment on our products or services, please write or phone:
1. Your local Honeywell Environmental and Combustion Controls Sales Office (check white pages of your phone
directory).
2. Honeywell Customer Care
1985 Douglas Drive North
Golden Valley, Minnesota 55422-4386
3. http://customer.honeywell.com or http://customer.honeywell.ca
International Sales and Service Offices in all principal cities of the world. Manufacturing in Belgium, Canada, China,
Czech Republic, Germany, Hungary, Italy, Mexico, Netherlands, United Kingdom, and United States.
32-00079EF—01
Position Indicator: Visible with cover on device.
Approvals:
Underwriters Laboratories Inc.: File No. MH17367
FM Approved.
CSA Approved.
ISO23552-1 for Canada.
Enclosure: NEMA2/IP50.
Accessories:
201391 Shaft Adapter for 3/8 in. round or square shaft.
32003167-001 Shaft Adapter for 5/16 in. round or square
shaft.
32003168-001 Shaft Adapter for 3/4 in. diameter round
shaft.
32003168-002 Shaft Adapter for 5/8 in. diameter round
shaft.
32003168-003 Shaft Adapter for 9/16 in. diameter round
shaft.
32003396-001 V51 Mounting Bracket for 1-1/2 in. and
2 in. valves.
32003396-002 V51 Mounting Bracket for 2-1/2 in., 3 in.
and 4 in. valves.
32002935-001 ML7999 NEMA3/IP54 Weatherproof Kit.
4 (102)
1-7/8 (47)
1-5/8
(41)
5-1/2
(140)
6
(153)
Fig. 1. ML7999C dimensions in in. (mm).
2
7/8 (22) 3-1/2 (89)
1/4-28
unF
1/2
(13)
M16466