MoffittCorp.com 1351 13th Avenue South, Suite 130 Jacksonville Beach, FL 32250 (904) 241‐9944 (800) 474‐3267  

 

FIELD FUSIBLE LINK REPLACEMENT  

1. Manuallyopentheventdoorsbypullingtherooflevelrelease.

2. Manuallypushthetopofeachlatchoutward,towardstheoutsideofthevent,

about114"to112",andclamplatchestocenterbraceusingvisegrips,locking

pliers,orsmallc‐clamps.

3. Using7/16"wrenches,carefullyremovetheexistingfusiblelinkfromthe

equalizerspringandthelatch.

4. Installreplacementfusiblelinkbetweenthelatchandtheequalizerspring.

CAUTIONDONOTOVERTIGHTEN

NotethatnyloninsertlockingnutsareutilizedFusiblelinkmustbefreetopivot.

5. Manuallyclosetheventdoors,andcheckforproperlatching.STBP6

6. Pulltheroof‐levelrelease,toinsureproperopeningoftheventdoors.

7. Manuallyclosetheventdoors.

 

   

MofiCorp.com(904) 241-9944

 MoffittCorp.com 1351 13th Avenue South, Suite 130 Jacksonville Beach, FL 32250 (904) 241‐9944 (800) 474‐3267  

 

INSTALLATIONINSTRUCTIONS‐FX250FIREX

1. Lifttheunittotheroof‐notetheliftpointsstenciledonthedoors.Ifunitiscrated,lifttotheroofinthecrate.

2. Positiontheunitadjacenttotheroofopeninganduncrate,ifcrated.3. Placetheunitovertheroofopening(ifself‐flashingtype)orontheroofcurb(ifcurb

type).Theunitsmustbeflatandtrueonthemountingsurfaceandnotbeinatwisttoinsureproperoperationandweatherseal.

4. Anchortheunitinplace.5. Carefullyremovetheshippingstrapthatisinstalledatmiddletopofventdoors.See

sketch250‐10fordetails.6. Theunitcannowbeopenedmanuallytocheckforproperoperationbypullingthe

rooflevelmanualreleasehandle.BESURETOSTAYCLEAROFTHESPRINGLOADEDDOORS.

7. Ifmanualinsidereleasecableisfurnished,itwillnowbeaccessiblewhilethedoorsareopen.Theinsidereleasewillbetapedontothecabletotheroofrelease.Untapeanddropinsidereleasehandle.

8. Resetthedoorsbypushingdowninthecenterofthedooruntilthelatchesengage.Besurethatthesealsalongthecentergutterareproperlyaligned.

9. Innormaloperationnolubricationormaintenancewillberequiredforthelifeoftheunit.

NOTE:USEOFTHEUNITFORVENTILATIONORASANACCESSHATCHVOIDSALLWARRANTIES.

NOTE:FIELDPAINTINGOFUNITVOIDSALLWARRANTIES

MofiCorp.com

(904) 241-9944

MofiCorp.com

(904) 241-9944

 MoffittCorp.com 1351 13th Avenue South, Suite 130 Jacksonville Beach, FL 32250 (904) 241‐9944 (800) 474‐3267  

 

MAINTENANCERECOMMENDATIONSMODELFX‐250

Thebasicdesignandconstructionofthisautomaticallyoperatedroofventisvirtuallymaintenancefree.Allcomponentpiecesoftheoperatingmechanismaremanufacturedofcorrosionresistantmaterials.Allpivotsarebrass,bronzeorstainlesssteel.BasedontheaboveMoffittCorporationmakesthefollowingrecommendations:

I. Unitsshouldbemanuallyopenedonceevery12months,byuseoftheroofrelease.II. Afteropening,unitshouldbevisuallycheckedwithparticularattentiontotheintegrityof

springs,fusiblelinkandlatchcomponents.Nolubricatantsorcoatingsshouldbeapplied.III. Doorsshouldbemanuallyresetfromroofline.IV. Inordertoinsuretheautomaticreleaseoftheseunits,NOmaterialsmaybestoredonorin

theseunitsandunitsmustNOTbeusedforgeneralventilation,norshouldtheybefieldpainted.

V. Intheunlikelyeventreplacementpartsarerequired,theyshouldbepurchasedfromthemanufacturertoinsuretheintegrityandproperoperationoftheunit.