Greenheck Fan SEDFD installation instructions Installation Instructions, Part Number, Series

		Part Number 471602
		Fusible Link Replacement on
		FD, DFD, ODFD, OFD, SSFD, SSDFD,
		SEDFD and KFD Series
INSTALLATION INSTRUCTIONS			Curtain Fire Dampers
	FSD, SEFSD, SSFSD, CFSD, and OFSD
Replacing fusible link on a curtain fire damper:			Series
		Combination Fire Smoke Dampers
1) Bend metal straps so they are straight (Fig. 1, item 3). Remove
separated fusible link (Fig. 1, item 4).
2) Push bottom of curtain blades to the top of the damper such that
the blades fold up like an accordion. (If the damper blades have
coil springs, use additional care when pushing the blades to the			3
top of the damper as the springs are strong and may cause injury
if blades are released.)
3) Slide the replacement fusible link onto the metal straps.			1
4) Bend the metal straps up to hold the fusible link in place.		4

Replacing fusible link on a combination fire smoke damper:

1) If fail closed, disconnect power and/or air pressure from damper.

If fail open, apply power and/or air pressure to damper. Damper2 should be in the full closed position.

2)Remove and discard the existing retaining clips (Fig.2, item 1) and fusible link (Fig.2, item 2).

3)Install replacement fusible link as shown in the diagram (temperature rating facing outward). The crankarm secured with a bolt may require some minor rotation to align link with pins.

4)Install retaining clips in the groove of each of the pins holding the fusible link.

5)Reconnect power.

Important!

Side cross-section view of Curtain Fire Damper in wall

Fig.1
	Item #	Description
	1	Damper
	2	Sleeve
	3	Metal strap
	4	Fusible link

1

2

Note: When replacing fusible link, make sure it is the same temperature. If a different temperature, consult factory.

Fusible link must be put on with temperature rating facing outward as shown

Fig. 2

Item # Description

1Retaining clips

2Fusible link