2.4 STANDARD PRODUCT FEATURES
• T2D,T3A,orT3Btemperaturecode
• CSA C/US Certied for use in hazardous areas. T2D units
Certied for use in Class I, Division 1 & 2, Group C & D
hazardous areas. T3A units Certied for use in Class I,
Division1&2,GroupC&D;ClassII,Division1&2,Group
E&Fhazardousareas.T3BunitsCertiedforuseinClassI,
Division1&2,GroupC&D;ClassII,Division1&2,GroupE,
F,&Ghazardousareas.
• Paintedsteelductsection
• Differentialpressureswitch(suppliedloose)
• Factoryinstalledhighlimitsensingthermocouple(s)
2.5 OPTIONAL PRODUCT FEATURES
• Transitionsections
• Stainlesssteelductsection
• Specialtemperaturecode
• Outletairthermostat
• Outletairthermocouple
3.0 SPECIAL NOTICES
The following special notices highlight important information in
theinstallationandmaintenancesections.Eachservesaspecial
purpose,andisdisplayedintheformatshown:
Thissymbolindicatesapotentiallyhazardoussituation,
which,ifnot avoided, canresult in personalinjury or
damagetotheequipment.
Thissymbolindicatesapotentiallyhazardoussituation,
which,ifnotavoided,maybeashockhazard.
This symbol indicates an imminently hazardous
situation, which,if not avoided, could resultin death
orseriousinjury.
4.0 PRE-INSTALLATION
4.1 Inspect theheater forpossibledamage duetoshipping and
handling. Claims for shipping damages shall be placed with the
carrier.
4.2 Checktheheaternameplatestoensure that theheaterarea
classicationandtemperaturecodearesuitableforthehazardous
areaclassication.
ISO 9001
MI289REV.2.01Page1of4
1.0 SCOPE
Thismanualdetailstheinstallation,operation,andmaintenance
instructionsforCaloritech™typeXDFexplosion-proofductheaters.
RefertoSection10forspecicdrawingsandbillsofmaterialsfor
relatedequipmentsuppliedunderthisorder.
YourXDFexplosion-proofductheaterhasbeenCSAC/USCertied
tomeettherequirementsforhazardouslocationequipmentforuse
inCanadaandtheUnitedStates.Whenproperlymaintainedand
serviced,youcanexpectyearsoftroublefreeoperation.
Carefullyreadandfollowallinstructionsoutlinedinthismanualto
ensureproperinstallationandsafeoperationofyourheater.
2.0 GENERAL INFORMATION
2.1 DESCRIPTION
Caloritech™typeXDFexplosion-proofductheatersaredesigned
for heating air or gases that contain potentially explosive
substances.XDFheatersfeaturetheuniqueCaloritech™approach
to explosionproof electric heater design, which embodies safety
andreliability.
The XDF is a factory pre-wired explosion-proof duct heater.
Standard models are available in three duct sizes, with either
a single or double bank of heating modules. XDF heaters are
availableasstandardunitswithT3B,T3A,orT2Dhazardousarea
temperaturecodes.
2.2 APPLICATION
The XDF is designed specically for heating industrial spaces
where potentially explosive substances are or may be present.
Typicalhazardouslocationenvironmentsinclude:
• Waterandsewagetreatmentplants
• Oilreneries
• Pulpandpapermills
• Petrochemicalplants
• Grainelevators
• Paintstoragebooths
• Cementplants
2.3 CONSTRUCTION
TheXDFexplosion-proofductheaterfeaturesheavy-walledcarbon
steelnnedtubularheatingelementswithelectrolessnickelplated
nish to provide safe, efcient, low temperature heat transfer.
Standard units have a painted carbon steel duct section with
mountingholesprovidedforattachmenttotheductsection.
XDF heaters feature the unique Caloritech™ patented x-Max
®
copper-free aluminum extruded terminal housing. A track-and-
trolleysystemandthreadedcoversoneachendalloweasyaccess
towiringterminalconnections.Unitsaresuitableformountingina
horizontalductsectiononly.
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS FOR
TYPE XDF – EXPLOSION PROOF DUCT HEATER
CCIThermalTechnologiesInc.2721PlymouthDrive,Oakville,ONL6H5R5Tel.(905)829-4422Fax(905)829-4430
www.ccithermal.com
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