KMC Controls MEP-455 Series - Manual

Installation Instructions
Document No. 129-361
August 3, 2004
ControlSet
®
MEP-455 Series Spring Return
Rotary Electronic Damper Actuator
EA0322R2
a
b
f
d
g
h
c
e
a. Actuator
b. Self-centering
shaft
adapter
c. Position indicator
d. Shaft adapter
locking clip
e. Position indicator
adapter
f. Mounting bracket
g. Mounting screws
h. 3 mm hex wrench
Figure 1. Parts of the MEP-455 Actuator.
Product Description
These installation instructions describe the steps for
direct-coupled mounting of the ControlSet MEP-455
Spring Return Electronic Damper Actuators.
Product Numbers
MEP-455xxx
Warning/Caution Notations
WARNING: Personal injury or loss of life
may occur if you do not
perform a procedure as
specified.
CAUTION: Equipment damage or loss of
data may occur if you do not
follow a procedure as
specified.
Required Tools
• 10 mm (13/32-inch) open end wrench
• Drill
• 4 mm (5/32-inch) drill bit
• 3 mm hex wrench (provided)
• Phillips screwdriver
• Marker or pencil
Expected Installation Time
30 minutes
Mounting Positions
< 90
˚ < 90
˚
90
˚
NEMA 2
EA0692R1
Figure 2. Acceptable NEMA 2 Positions.
Prerequisites
NOTE: The actuator is shipped from the factory with
5° preload. When power is applied to the
actuator, the preload is released.
To manually release the preload, insert the 3 mm
hex key in the override opening and turn the key in
the direction of the arrow. See Manual Override.
WARNING:
Do not open the actuator.
Item Number 129-361-02, Rev. 011 Page 1 of 7