Greenheck ML4XXX, ML8XXX series external (458403) - Manual

These instructions apply to the external field installation of the Honeywell, FATPA Series, 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
®
Part number 458403
FATPA Series Actuators
Models ML4XXX, ML8XXX, MS4209,MS4309, MS8209, and MS8309
InSTALLATIon InSTRucTIonS
Figure 1: Honeywell FATPA Series external mount (exploded view).
Note:
Actuator shaft collar
accepts 1/2 in. (13mm)
diameter shaft. Shaft
rotation designated from
this side of actuator.
! !
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.
Torque Set Screws to
50-55 in. lbs. (5.6-6.2 Nm)
Part No. Quantitiy Description
1 1 Actuator, Honeywell FATPA Series
2 1 Anti Rotation Bracket
3 1 Standoff Bracket
4 4 1/4 - 20 x 1/2 Spinlock Bolt
5 4 1/4-20 Spinlock Nut
6 1 1/4 x 3/8 Shoulder Bolt
7 1 #10 - 24 Nyloc Nut
8 4 #14 x 3/4 Tek Screws