Greenheck Fan Ventilation Hood ODFD XXX Series User Manual

Part Number 461337

OFSD-XXX, ODFD-XXX,

OFD-XXX, and OSSFD-XXX Series

11/2 Ho/r Combinm b/Fmoe/SC ke/ o/rHonimb/Fmoe/DiCpeos/

OHn/ f/Will/ o/OHn/ f/Fl o/

Veonmcil/ o/2 omz bnil/M Hbn/

Installation, Operation, and Maintenance Instructions

OFSD-XXX,/ODFD-XXX,/OFD-XXX,/ibd/OSSFD-

XXX/seomes/diCpeos/ioe/mbnebded/f o/mbsnillinm b/mb/

icc odibce/wmnh/c Combinm b/ﬁoe/sC ke/diCpeos/

oeqHmoeCebns/esniolmshed/oy:/

NFPA National Fire Protection Association/

NFPA/Snibdiods/80,/90A,/92A,/92B,/101,/&/105/

IBC International Building Codes/

BOCA National Building Codes

ICBO Uniform Building Codes

SBCCI Standard Building Codes/

New York City/(MEA/lmsnmbg/#/260-91-M)/

California State Fire Marshal /

Lmsnmbg/#3225-0981:103/&/3230-0981:104

“UL Classiﬁed (see complete marking on product)”

“UL Classiﬁed to Canadian safety standards (see

complete marking on product)”/

UL/Snibdiod/555/&/555S/(rlissmﬁcinm b/R13317)

Receiving and Handling

Electrical Guidelines

Up b/oecemvmbg/diCpeos,/check/f o/o nh/ ovm Hs/ibd/

hmddeb/diCige./If/diCige/ms/f Hbd,/oec od/ill/becessioy/

mbf oCinm b/ b/nhe/omll/ f/lidmbg/ibd/ﬁle/i/climC/wmnh/

nhe/ﬁbil/cioomeo./rheck/n /oe/sHoe/nhin/ill/pions/ f/nhe/

shmpCebn,/mbclHdmbg/iccess omes,/ioe/icc Hbned/f o.

All/wmombg/shill/oe/d be/mb/icc odibce/wmnh/nhe/Ninm bil/

Elecnomcil/r de/ANSI/NFPA-70/linesn/edmnm b,/iby/l cil/

c des/nhin/Ciy/ipply,/ibd/wmombg/dmigoiCs/devel ped/

mb/c Cplmibce/wmnh/nhe/j o/ o/po jecn/desmgb/ibd/

specmﬁcinm bs./

DiCpeos/CHsn/oe/kepn/doy/ibd/cleib./Ibd o/sn oige/

ibd/po necnm b/fo C/dmon,/dHsn/ibd/nhe/weinheo/ms/hmghly/

oec CCebded./D /b n/sn oe/in/neCpeoinHoes/mb/excess/

f/100°F/(38°r).

Safety Warning:

ICpo peo/mbsnillinm b,/idjHsnCebn,/ilneoinm b,/seovmce/

o/Cimbnebibce/cib/ciHse/po peony/diCige,/mbjHoy/ o/

deinh./Reid/nhe/mbsnillinm b,/ peoinmbg,/ibd/Cimbnebibce/

mbsnoHcnm bs/nh o Hghly/oef oe/mbsnillmbg/ o/seovmcmbg/nhms/

eqHmpCebn.

Warranty

Goeebheck/wiooibns/nhms/eqHmpCebn/n /oe/foee/fo C/

defecns/mb/Cineomil/ibd/w okCibshmp/f o/i/peom d/ f/ be/

yeio/fo C/nhe/pHochise/dine./Aby/Hbmns/ o/pions/whmch/

po ve/n /oe/defecnmve/dHombg/nhe/wiooibny/peom d/wmll/

oe/oepimoed/ o/oepliced/in/ Ho/ pnm b./Goeebheck/shill/

b n/oe/lmiole/f o/diCiges/oesHlnmbg/fo C/Cmsipplmcinm b/

o/CmsHse/ f/mns/po dHcns./Goeebheck/wmll/b n/oe/

oesp bsmole/f o/iby/mbsnillinm b/ o/oeC vil/c sns./

Goeebheck/wmll/b n/oe/oesp bsmole/f o/iby/seovmce/w ok/

o/oickchioges/wmnh Hn/pom o/womnneb/iHnh omzinm b./

Safety Caution!

Elecnomcil/mbpHn/Ciy/oe/beeded/f o/nhms/eqHmpCebn./Thms/

w ok/sh Hld/oe/peof oCed/oy/i/qHilmfmed/elecnomcmib./

Veomfy/p weo/oef oe/wmombg/icnHin o./Goeebheck/ms/b n/

oesp bsmole/f o/iby/diCige/n ,/ o/fimlHoe/ f/nhe/Hbmn/

ciHsed/oy/mbc ooecn/fmeld/wmombg./T /iv md/ciHsmbg/deinh/

o/seom Hs/o dmly/hioC/n /oHmldmbg/ ccHpibns,/f ll w/ill/

mbsnoHcnm bs/cioefHlly./DiCpeos/CHsn/cl se/c Cplenely/n /

poeseove/nhe/mbnegomny/ f/nhe/fmoe/sC ke/sepioinm b.

Due to continuing research, Greenheck reserves the right to change specifications without notice.

Thms/CibHil/ms/nhe/po peony/ f/nhe/ wbeo,/ibd/ms/oeqHmoed/f o/fHnHoe/Cimbnebibce./Pleise/leive/mn/wmnh/nhe/ wbeo/wheb/

nhe/j o/ms/c Cplene.

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1. DAMPER IS INSTALLED OUTSIDE OF WALL PLANE/

Steel stud

OFSD-XXX

Figure 1 sh ws/nw /ippo ved/mbsnillinm bs/f o/

c Combinm b/fmoe/sC ke/diCpeos:/1)/“Tho Hgh/nhe/

gomlle/iccess”/ibd/2)/mbsnillinm b/mb/c bnmbHmbg/dHcn./

T /po vmde/"nho Hgh/nhe/gomlle"/iccess/n /nhe/diCpeo/

icnHin o,/nhe/diCpeo/ms/l cined/n wiod/nhe/oick/ f/nhe/

sleeve/ibd/nhe/icnHin o/ms/mbsnilled/oenweeb/nhe/diCpeo/

ibd/gomlle./AcnHin o/ibd/diCpeo/cib/oe/iccessed/ibd/

seovmced/oy/oeC vmbg/nhe/gomlle./T /po vmde/iccess/n /nhe/

diCpeo/icnHin o/f o/c bnmbHmbg/dHcnw ok,/oefeo/n /nhe/

oeqHmoeCebns/ f/NFPA/90A.

#10 sheet metal screws

spaced 6 in. on center and

maximum of 2 in. from the

corners (minimum of 2

screws per side). Screw into

rear portion of the studs so

as to avoid space conﬂicts

with the grille assembly.

5/8 in . x 1 in. 16 ga.

angles minimum

(Refer to Section 4)

/ODFD-XXX, OFD-XXX, and OSSFD-XXX: Figure

1 sh ws/nw /mbsnillinm bs/nhin/ioe/ils /ippo ved/f o/

cHonimb/fmoe/diCpeos./F o/iccess/n /mbspecn/nhe/diCpeo/

ibd/fHsmole/lmbk,/oefeo/n /nhe/oeqHmoeCebns/ f/NFPA/90A.

Factory Supplied

Thermal Blanket

Factory Supplied

Thermal Blanket

Grille

(Supplied

by others)

2. CLEARANCE REQUIREMENTS

/Theoe/ms/b /CmbmCHC/cleioibce/oeqHmoeCebn/oenweeb/

nhe/will/fl o/ pebmbg/ibd/nhe/sleeve/exneom o/(wmnh/

nheoCil/olibken/inniched)./2 weveo,/n /ficmlmnine/

mbsnillinm b,/cleioibces/oenweeb/nhe/will/fl o/ pebmbg/

ibd/nhe/diCpeo/sleeve/ioe/oec CCebded./ilnh Hgh/

nheoe/ms/b /CixmCHC/ill wiole/cleioibce,/nhe/CmbmCHC/

veolip/oeqHmoeCebns/oenweeb/nhe/will/fl o/ibd/nhe/

flibge/oenimbmbg/ibgle/CHsn/oe/Cen./Ob/gomll/C Hbn/

mbsnillinm bs/nhe/flibge/CHsn/ veolip/nhe/will/fl o/oy/

1⁄2/mb./(13CC)./Ob/c bnmbH Hs/dHcn/mbsnillinm bs,/nhe/

oenimbmbg/ibgles/CHsn/ veolip/nhe/will/fl o/oy/1/mb./

(25CC)./BeciHse/b /cleioibces/ioe/oeqHmoed/oenweeeb/

nhe/will/fl o/ pebmbg/ibd/nhe/sleeve,/diCpeos/Ciy/b n/

oe/mbsnilled/mb/nhe/plibe/ f/nhe/will/Hsmbg/nhms/mbsnillinm b/

Cenh d.

Fire damper or

combination ﬁre

smoke damper

Fire damper or

combination ﬁre

smoke damper

7 1/2 in.

Max.

“Duct Terminates” Metal Stud

Note:/B nh/mbsnillinm bs/Ciy/oe/veonmcil/ o/h omz bnil.

Gypsum Wallboard

3. DUCT TO SLEEVE CONNECTIONS

Stud or Runner

/DiCpeos/ioe/sHpplmed/wmnh/icnHin os/( b/ipplmciole/

C dels)/ibd/sleeves/fo C/nhe/ficn oy/ibd/cib/oe/

mbsnilled/wmnh Hn/nhe/beed/f o/iddmnm bil/fmeld/mbsnilled/

sleeves.

In wood stud construction,

gypsum wallboard must cover

all wood stud surfaces.

Wooden Stud Construction

/Sleeve/giHges/ f/20-14/(.9CC/-/2CC)/ioe/n /oe/Hsed./

UL/Snibdiod/555/oeqHmoes/ill/dHcns/n /neoCmbine/in/fmoe/

diCpeo/sleeves./Sleeve/nhmckbess/CHsn/b n/oe/less/nhib/

nhe/giHge/ f/nhe/c bbecnmbg/dHcn.

1in. x 1 in. 16 ga.

angle minimum

(Refer to section 4)

/DHcn/n /sleeve/ooeikiwiy/c bbecnm bs/CHsn/oe/ f/nhe/

nype/descomoed/ b/pige/5./Ficn oy/fHobmshed/o Hbd/dHcn/

c llios/ b/nype/R/ibd/rR/diCpeos/ioe/ils /c bsmdeoed/

n /oe/ooeikiwiy/c bbecnm bs/ibd/Ciy/oe/Hsed.

Factory Supplied

Thermal Blanket

Grille

(Supplied

by others)

Factory Supplied

Thermal Blanket

7 1/2 in.

Max.

Fire damper or

combination ﬁre

smoke damper

6 1/2 in.

Max.

“Duct Terminates” Wood Stud

Fire damper or

combination ﬁre

smoke damper

“Duct Continues”

Figure 1: Installation configurations for ‘Out of Wall’ curtain fire dampers and combination fire smoke dampers.

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4. SECURING THE DAMPER/SLEEVE ASSEMBLY TO

WALL OPENINGS.

/DiCpeo/sleeve/isseColmes/CHsn/oe/mbsnilled/mb/will/

pebmbgs/Hsmbg/flibges/ibd/sheen/Cenil/scoews/is/

mllHsnoined/ibd/descomoed/oel w.

'MBOHF

5IFSNBMꢀ#MBOLFU

JOTUBMMFEꢀBSPVOEꢀFOUJSF

PVUTJEFꢀTVSGBDFꢀPGꢀTMFFWFꢁ

•//Flibge/ b/fo bn/(gomlle/ebd)/ f/sleeve/CHsn/oe/i/

CmbmCHC/ f/16/giHge/(1.5CC)/sneel/ibd/hive/i/⁵⁄8/mb./

(16CC)/CmbmCHC/flibge/leg/(oefeo/n /Figure 2)./Usmbg/

#10//(19CC)/sheen/Cenil/scoews,/scoew/fo C/mbsmde/

f/sleeve/nho Hgh/nhe/oeio/p onm b/ f/nhe/snHds/(is/

sh wb/mb/Figure 1)./Spice/scoews/i/CixmCHC/ f/6/mb.//

(152CC)/ b/cebneo/ibd/i/CixmCHC/ f/2/mb.//(51CC)/

fo C/nhe/c obeos/(CmbmCHC/ f/2/scoews/peo/smde)./

N /oenimbmbg/ibgles/ioe/oeqHmoed/ b/nhe/smde/ f/will/

pp smne/fo C/nhe/gomlle.

8BMM

•//Renimbmbg/ibgles/ b/c bnmbHmbg/dHcn/CHsn/oe/i/

CmbmCHC/ f/1/⁄2/mb./x/1/⁄2/mb./(38CC/x/38CC)/16/giHge/

(1.5CC)/sneel/(oefeo/n /Figure 3)./Scoewmbg/sleeve/n /

sneel/snHds/ms/b n/oeqHmoed.

Figure 2: Sleeved damper with Thermal

Blanket (duct termination).

•//Renimbmbg/ibgles/CHsn/oe/inniched/n /nhe/sleeve/Hsmbg/

be/ o/C oe/ f/nhe/f ll wmbg/Cenh ds/ f/innichCebn:/

•/Tick/ o/sp n/welds/

•/#10//(19CC)/sheen/Cenil/scoews/

•/¹⁄4/mb./(6CC)/o lns/ibd/bHns/

•/³⁄16/mb./(4.7CC)/sneel/p p/omvens

3FUBJOJOHꢀ"OHMF

5IFSNBMꢀ#MBOLFU

JOTUBMMFEꢀBSPVOE

FOUJSFꢀPVUTJEF

TVSGBDFꢀPGꢀTMFFWFꢁ

/AnnichCebns/CHsn/oe/spiced/i/CmbmCHC/ f/6/mb./

(152CC)/ b/cebneo/ibd/i/CixmCHC/ f/2/mb./(51CC)/fo C/

c obeos./The/ibgles/CHsn/oe/inniched/n /ill/4/smdes/ f/

nhe/sleeve./A/CmbmCHC/ f/nw /innichCebns/ioe/oeqHmoed/

b/eich/smde,/n p/ibd/o nn C./The/ibgles/beed/b n/oe/

inniched/n /eich/ nheo/in/nhe/corners.

ꢂꢀJOꢃꢀ.BYꢃ

ꢄꢀJOꢃꢀ.BYꢃ

ꢂꢀJOꢃꢀ.BYꢃ

caution! Do not tear the thermal blanket during

installation.

/DiCpeos/ioe/nesned/f o/c ooecn/ peoinm b/ibd/ioe/sqHioe/

ibd/snoimghn/oef oe/shmpCebn/fo C/nhe/ficn oy./DiCpeos/

CHsn/oe/mbsnilled/sqHioe/ibd/snoimghn/ibd/CHsn/b n/oe/

nwmsned/ o/oicked./FimlHoe/n /mbsnill/nhe/diCpeo/sqHioe/

ibd/snoimghn/Ciy/poevebn/nhe/diCpeo/olides/fo C/

peoinmbg/ peb/ibd/cl sed.

8BMM

Figure 3: Sleeved damper with Thermal

Blanket (duct continuation).

N ne:/TheoCil/olibken/ms/omvened/n /nhe/diCpeo/sleeve/ibd/

nhe/seiC/ms/niped/wmnh/icoylmc/idhesmve/nipe,/FSK/ficmbg/

nipe/152/5rWbn,/CibHficHned/oy/VebnHoe/Tipe/r Cpiby.//

5. ACTUATOR CONNECTIONS

Elecnomcil/ibd/ o/pbeHCinmc/c bbecnm bs/n /

diCpeo/icnHin os/sh Hld/oe/Cide/mb/icc odibce/

wmnh/wmombg/ibd/pmpmbg/dmigoiCs/devel ped/mb/

c Cplmibce/wmnh/ipplmciole/c des,/ odmbibces/

ibd/oegHlinm bs/(see/Electrical Guidelines).

ꢁꢄꢂJOꢃꢂPꢃDꢃ

.BYJNVN

NFUBMꢂTUVETꢅ

ꢁꢄꢂJOꢃꢂPꢃDꢃ

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NFUBMꢂTUVETꢅ

$FJMJOHꢂ3VOOFS

6 Recommended Preparation of Openings in

Wood and Metal Stud Walls

ꢀꢁꢂJOꢃ

•/FoiCe/will/ pebmbgs/is/sh wb/(see/Figure 4)

•//D Hole/veonmcil/snHds/ioe/b n/oeqHmoed/f o/ pebmbgs/36/

mb./x/36/mb./(914CC/x/914CC)/ o/sCilleo.

ꢁꢄꢂJOꢃꢂPꢃDꢃ

.BYJNVN

•//GypsHC/will/o iod/CHsn/oe/fisnebed/12/mb./(305CC)/

b/cebneo/n /ill/snHd/ibd/oHbbeo/flibges/sHoo Hbdmbg/

pebmbg(see/Figure 4).

•//All/c bsnoHcnm b/ibd/fisnebeos/CHsn/Ceen/nhe/

oeqHmoeCebns/ f/nhe/ippo pomine/will/desmgb/(See/UL/

Fmoe/Resmsnibce/Dmoecn oy)/ibd/ o/l cil/c des.

ꢁꢂJOꢃꢂ ꢇꢀNNꢅ

ꢁꢂ1BOIFBEꢂ

4DSFXT

ꢁꢂJOꢃꢂ ꢇꢀNNꢅ

ꢀꢆꢂJOꢃꢂPꢃDꢃ

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XPPEꢂTUVETꢅ

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XPPEꢂTUVETꢅ

'MPPSꢂ3VOOFS

Figure 4

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Breakaway Connections

Traditional Breakaway Style Transverse Joints

'JSFꢀ%BNQFSꢀ4MFFWF

ꢄ

Toibsveose/j mbns/mllHsnoined/in/omghn/hive/ilwiys/oeeb/

ippo ved/is/ooeikiwiy/c bbecnm bs./SMArNA/nesnmbg/

his/ils /ippo ved/nhe/f ll wmbg/viominm bs/is/ooeikiwiy/

c bbecnm bs.

ꢂꢀJOꢃꢀMPOHꢀ ꢅꢄꢂꢀJOꢃꢀNBYꢃ

UIJDLOFTTꢀQMBTUJDꢀDMFBUTꢆ

ꢄꢇꢀJOꢃꢀDꢈDꢀ NJOꢃꢀꢄꢀQFSꢀTJEFꢁ

'MBOHFEꢀTZTUFNꢀBOHMFT

•//The/ooeikiwiy/c bbecnm bs/sh wb/(Fmg./6)/cib/

oe/ipplmed/wmnh/CixmCHC/ f/nw /#10/(19CC)/

sheen/Cenil/scoews/ b/eich/smde/ibd/ b/nhe/

o nn C/l cined/mb/nhe/cebneo/ f/nhe/slmp/p cken/ibd/

pebenoinmbg/o nh/smdes/ f/nhe/slmp/p cken./

"UUBDIꢀQFS

NBOVGBDUVSFShT

JOTUSVDUJPOTꢁ

%PꢀOPUꢀCPMUꢀDPSOFST

/FPQSFOFꢀHBTLFU

CFUXFFOꢀBMMꢀBOHMFT

•//Toibsveose/j mbns/mllHsnoined/

cib/oe/ipplmed/is/n p/ibd/

%VDU

o nn C/j mbns/wmnh/Domve/Slmp/

-/smde/j mbns/mb/dHcn/hemghns/

Hp/n /20/mbches/(508CC)/

See Fig. 5.

%SJWFꢀ4MJQꢀ+PJOU

Fig. 7

Fig. 5

Proprietary Flange System Breakaway Connections

(TDr/oy/L ckf oCeo,/TDF/oy/Ebgle)

Round and Oval Duct Breakaway Connections

TDr/ibd/TDF/sysneCs/ioe/

ippo ved/is/ooeikiwiy/

c bbecnm bs/wheb/mbsnilled/is/

descomoed/mb/nhe/TDr/ o/TDF/

4MFFWF

%VDU

iddebdHC/n /nhe/SMArNA/DHcn/

r bsnoHcnm b/Snibdiods/excepn/

nhe/c obeos/Ciy/b n/oe/o lned./

Snibdiod/6/mb./(152CC)/Cenil/

clmp/Ciy/oe/Hsed/wmnh/spicmbg/is/sh wb/mb/Figure 8./3/8/

mb./(9.5CC)/Cenil/o lns/ibd/bHns/Ciy/oe/Hsed/n /fisneb/

n genheo/c obeo/pmeces/(see/Fig. 9)./

1MBJOꢀi4w 4MJQꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ)FNNFEꢀi4w 4MJQꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ%PVCMFꢀi4w 4MJQ

*OTJEFꢀ4MJQꢀ+PJOUꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ4UBOEJOHꢀi4wꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ4UBOEJOHꢀi4wꢀ "MUꢁꢂ

5ZQJDBMꢁ5%$ꢋ5%'ꢁKPJOU

$MJQꢁ4QBDJOH

4UEꢂꢁ$MJQ

-FOHUI

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ꢀꢃꢁJOꢂꢁ%VDU

ꢄꢁ3FRꢅEꢂ

ꢀ4UBOEJOHꢀi4wꢀ "MUꢁꢂꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ4UBOEJOHꢀi4wꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ4UBOEJOHꢀi4w

ꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ #BSꢀ3FJOGPSDFEꢂꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀꢀ "OHMFꢀ3FJOGPSDFEꢂ

ꢍꢁJOꢂ

ꢄꢆꢁJOꢂꢁ%VDU

ꢇꢁ3FRꢅEꢂ

Fig. 6

ꢎꢁJOꢂ

ꢇꢀꢁJOꢂꢁ%VDU

ꢇꢁ3FRꢅEꢂ

R Hbd/ o/flin/ vil/dHcns/c bbecned/n /Type/R/ o/O/diCpeo/

c llios/shill/oe/inniched/wmnh/#10/(19CC)/sheen/Cenil/

scoews/is/f ll ws:

ꢎꢁJOꢂ

ꢈꢄꢁJOꢂꢁ%VDU

ꢈꢁ3FRꢅEꢂ

•//DHcns/n /22/mb./(558CC)/wmde/( o/dmi.)/ibd/sCilleo/

shill/hive/nhoee/scoews.

ꢉꢆꢁJOꢂꢁ%VDUꢁ

4NBMMFS

ꢊ

%VDU

ꢉꢁ3FRꢅEꢂ

•//DHcns/liogeo/nhib/22/mb./(558CC)/wmde/( o/dmi.)/Hp/n /

ibd/mbclHdmbg/36/mb./(914CC)/wmde/( o/dmi.)/shill/hive/

fmve/scoews.

Figure 8: Detail of proprietary flanged system

breakaway connections.

NOTE://All/ooeikiwiy/c bbecnm bs/descomoed/Ciy/hive/dHcn/

seilibn/ipplmed,/PA2084T/dHcn/seilibn/idhesmve/

Duct End

Flange

CibHficnHoed/oy/Poecmsm b,/DP1010/wineo/oise/dHcn/

seilibn/CibHficnHoed/oy/Desmgb/P lyCenomcs,/ o/Goey/

P kme/mb/icc odibce/wmnh/SMArNA/oec CCebdinm bs.

Corner Piece

Manufactured Flanged System Breakaway

Connections

3/8 in. bolt

(optional)

Flibged/c bbecnm b/sysneCs/CibHficnHoed/oy/DHcnCine,/

Wiod,/ibd/NexHs/ioe/ippo ved/is/ooeikiwiy/c bbecnm bs/

wheb/mbsnilled/is/mllHsnoined/(Fmg./7)./

Fig. 9

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Damper Maintenance

DiCpeos/d /b n/nypmcilly/oeqHmoe/Cimbnebibce/is/l bg/is/nhey/ioe/kepn/doy/ibd/cleib./If/cleibmbg/ms/becessioy,/Hse/Cmld/

deneogebns/ o/s lvebns./If/lHoomcinm b/ms/desmoed/f o/c Cp bebns/sHch/is/ixle/oeiombgs,/jickshifn/oeiombgs/ibd/jiCo/

seils,/d /b n/Hse/ ml-oised/lHoomcibns/ o/iby/ nheo/lHoomcibns/nhin/innoicn/c bniCmbibns/sHch/is/dHsn.

DiCpeos/ibd/nhemo/icnHin o(s)/CHsn/oe/Cimbnimbed,/cycled,/ibd/nesned/i/CmbmCHC/mb/icc odibce/wmnh:

•/ The/linesn/edmnm bs/ f/NFPA/80,/90A,/92A,/92B,/101,/105,/UL864,/AMrA/503-03/ibd/l cil/c des.

•/ AcnHin o/CibHficnHoeo/oec CCebdinm bs.

Damper Troubleshooting

The/f ll wmbg/ms/i/p ssmole/ciHse/ibd/c ooecnm b/lmsn/f o/c CC b/c bceobs/wmnh/nhe/diCpeos.

Symptom

Possible Cause

Corrective Action

FoiCe/ms/'oicked'/ciHsmbg/olides/

n /ombd/ b/jiCo/seils

AdjHsn/foiCe/sHch/nhin/mn/ms/sqHioe/ibd/plHCo

AcnHin o/lmbkige/l se

rl se/diCpeo,/dmsc bbecn/p weo,/idjHsn/ibd/

nmghneb/lmbkige

DiCpeo/d es/b n/

fHlly/ peb/ibd/ o/

cl se

Defecnmve/C n o

Replice

Scoews/mb/diCpeo/lmbkige

DiCpeo/mbsnilled/n /fio/mbn /will./M ve/ Hn/

n /lmbe/is/desmgbined/ b/diCpeo/lioel

r bniCmbibns/ b/diCpeo

rleib/wmnh/i/b b- ml/oised/s lvebn/(see/

DiCpeo/Mimbnebibce)

RRL/ o/TOR/sebs o/ 2ein

nompped

PHsh/oesen/oHnn b/l cined/ b/oicksmde/ f/

RRL/ o/TOR

DiCpeo/d es/b n/

peoine

N /p weo/sHpplmed/n /nhe/icnHin o Add/p weo/sHpply

461337/OFSD/ODFD/Rev/9/JibHioy/2008

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