Greenheck MSxx04 & MSxx09 Series External (477252) - Manual

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These instructions apply to the external field installation of the Honeywell actuators on Greenheck models VCD Control
Dampers when they are duct mounted or sleeved.
These models are direct drive actuators that rotate to their energized position when power is applied, and spring return
to their fail position when power is disconnected.
Tools Required:
Wrenches: (1) 7 ⁄
16
in., (1) 3 ⁄
8
in.
(1) Ratchet with 3 ⁄
8
in. deepwell socket
(1) 1 ⁄
8
in. Allen wrench
Document Number 477252
MSXX04 & MSXX09 Series Actuators
INSTALLATION INSTRUCTIONS
Figure 1: Honeywell MSXX04 & MSXX09 Series external mount (exploded view).
Note:
Actuator shaft collar
accepts 1/2 in. (13mm)
diameter shaft.
! !
WARNING
Equipment Damage or Electrical Power Hazard. Line voltage can cause death or serious injury and short equipment
circuitry. Disconnect power supply before installation.
! !
CAUTION
Device Malfunction Hazard. Improper set screw tightening causes device malfunction. Tighten set screws with
proper torque to prevent damper shaft slippage.
Part No. Quantitiy Description
1 1 External Mounting Bracket
2 1 #10-24 x .375 Shoulder Bolt
3 1 #10-24 Nut
4 8 1/4 - 20 x 1/2 Spinlock Bolt
5 8 1/4-20 Spinlock Nut
6 1 Actuator
7 1 Standoff Bracket
8 1 Extension Pin - 5 3/4 in. long
9 1 Retaining Clip - 1/2 in. dia.
Without Jackshaft With Jackshaft
Note: Bracket (7) is not used when damper model is VCDR or VCDRM series. On VCDR and VCDRM models, the
bracket (1) is bolted directly to the damper shaft upport bracket.
Actuator can be flipped
aroung to reverse rotation.
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