KMC Controls MEP-4842 User Manual
Installation guide, Direct-coupled controlset, Actuators (40/80 in-lb.)
MEP-4042/4842
1
Installation Guide
Installation Guide
Direct-Coupled ControlSet
®
Actuators (40/80 in-lb.)
MEP-4042/4842
Mounting 1
Connector Pin Voltage Reference 1
Wiring 2
Maintenance 2
Mounting
1. Ensure the damper can move freely through its
entire range of motion, and fix any binding before
installing the actuator. Turn the damper blade to
its fully closed position.
2. Press (to the right) and hold the gear
disengagement lever (see the illustration above),
rotate the actuator to the fully closed position,
and release the lever.
NOTE: Depending on the damper-seal design,
backing the actuator off its stop
approximately 5° may provide tight
damper shut-off.
3. Align the actuator and slide it onto the shaft.
4. Leaving a gap between the actuator and
mounting surface to prevent any binding, finger-
tighten the nuts on the V-bolt.
5. Insert the non-rotation bracket (HMO-4002
supplied or HMO-4001 “T” bracket available
separately) into the slot at the base of the actuator.
(See the illustration above).
[135]
5.300
3.700
94
ADJUSTABLE
STOP
PIN 1
PIN 6
1.568
39.8
2.600
66
[63.5]
2.500
NON-ROTATION BRACKET
PROVIDED (HMO-4002)
GEAR DISENGAGEMENT LEVER
6. Secure the non-rotation bracket with two (2) #8 or
#10 self-tapping screws.
7. Evenly tighten the V-bolt nuts 30 to 35 in-lbs. on
the MEP-4042, or 60 to 70 in-lbs. on the MEP-4842.
8. If desired, use a 7/64-inch hex key wrench to
loosen and position the end-stop screw.
NOTE: The two holes at the top of the actuator
are NOT for use in direct-coupled
applications. They are for remote mounting,
such as with the optional HLO-4001 Crank
Arm Kit (see the installation guide for the
MEP-4000/4800 series actuators).
Connector Pins*
Function
1 and 6
~ 24 VAC (phase side)
2 and 5
Common
3
17.4 VDC out @ 10 mA Max. (powers CTE-5201-16)
4
Signal input (2–10 VDC)
*See the pin designators in the lower left of the illustration above.
Connector Pin Voltage Reference