Greenheck Fan FSD-312 Application Data, Damper Sleeve Dimensional Data, Actuators and Accessories

Application Data

Damper Sleeve Dimensional Data

The drawings below and corresponding table show the position of the FSD-312 damper when mounted in a factory sleeve. The standard mounting locations provide enough space for the mounting of actuators, controls and allow space for installa- tion of retaining angles and duct connections.

			6"	V	arie	s
LH			RH
		Right hand drive is shown
	Left hand drive available upon request

11/2" max.

33/4"

53/8"

A 5" Sleeve Length

The standard location of a damper mounted in a factory sleeve ("A" dimension) is shown below. The damper can be positioned at other locations within a range of 6 in. (152 mm) to 12 in. (305mm) for the "A" dimension.

in. (mm)	"A" Dimension
	Standard	Maximum
All Dampers*	7 3/16 (183)	12 (305)
When H is 11 in. (279mm) or	12 (305)	12 (305)
less with OCI, RRL, or TOR

*With the exception of dampers 10 in. high (254mm) or less.

NOTE: Entire damper frame is not required to be installed within the wall. The damper blades, when closed should be contained within the wall.

	T*	Actuators and Accessories
S
		Space Envelopes
		Externally mounted actuators always require space
		outside of the damper sleeve. The “S” dimension il-
		lustrates the clearance required for various available
		actuators.

On dampers less than 18 in. (457mm) high, actuators may also require clearances above and/or below the sleeve. “B” and “T” dimensions are worst case clear- ance requirements for some dampers less than 18 in. (457 mm) high. All damper sizes under 18 in. (457mm) high do not require these worst case clearances. If space availability above or below the damper sleeve is limited, each damper size should be individually evalu- ated.

B*

	B*	T*
Actuator Type/Model			S
	With	With
	RRL, RRL/OCI, or TOR	RRL, RRL/OCI, or TOR
	120 Volt AC
ML-4XXX Series Honeywell	5¼ in. (133mm)	¾ in.(19mm)	6 in. (152mm)
MS-4XXX Series Honeywell	6 in. (152mm)	3/8 in. (10mm)	6 in. (152mm)
MS-4120 Series Honeywell	6 in. (152mm)	3/8 in. (10mm)	6 in. (152mm)
	24 Volt AC
ML-8XXX Series Honeywell	5¼ in. (133mm)	¾ in.(19mm)	6 in. (152mm)
MS-8XXX Series Honeywell	6 in. (152mm)	6 in. (152mm)	6 in. (152mm)
MS-8120 Series Honeywell	6 in. (152mm)	6 in. (152mm)	6 in. (152mm)
	Pneumatic (25 psi min.)
331-4551 Powers	1 in. (25mm)	6¼ in. (159mm)	6½ in. (165mm)
331-2976 Powers	2 3/8 in. (60mm)	12 1/8 in. (308mm)	9¼ in. (235mm)
MK2-7121 Invensys	3 3/4 in. (95mm)	16½ in. (419mm)	10 in. (254mm)

* For dampers 18 in. (457mm) or more in height these dimensions are 0 in. .