hvac unit heaters

28

A AA A

BBC C

D D DD D D

W WY Y Y Z X X XZ

CompletelyRecessed

SemiRecessed

CompletelyRecessed

SemiRecessed

A AW W W YYYYZ Z Z XXXX

B C D D D

CompletelyRecessed

SemiRecessed

Up Flow Down Flow

Ceiling Mounted

KEY: W = 6” minimum, X = 12” minimum, Y = 0” or greater, Z = 24” minimum

Product Specifications

NOTE: Semi-recessed units are to be re-cessed at a maximum of 3 1/2” unless both theinletandoutletgrillesaretothefront.

MOUNTING CLEARANCES: Proper clearances are indicated for each mount-ing configuration on all positions.Mini-mum clearance from side of unit to the wall is zero inches.Mounting inchesareprovided in the back of the cabinet, ac-cessible through the blower compart-ment, if necessary, remove blower deckif additional mounting screws or bolts are desired.Blowerdeckmaybeslippedfor-ward by loosening four screws at the front toprovideaccesstomountingholes.

Mounting Configurations

TheelectriccabinetunitheatershallbebeULlisted,designedformounting inanyposition, fully recessed,semi-recessedorsurfacemounted.Allcapacities,voltages,physicalsizes,grillearrangementsandoptionsshallbeasspecifiedontheplans.Allunitsmustbefieldconvertible to the following: 1. Forcontrolbyafieldsuppliedremotethermostat. 2. Loadmanagementcontrolwithanexternaldryswitch.

When closed unit operates under control of either theinternalortheexternalthermostat.Whenopen,unit turnsoff.

3. Anygrillearrangement.

CABINET: The cabinet shall be constructed of heavy duty 16 Gauge zinccoatedsteel.Theheatershallhavearemovablefrontdoorforeasyaccesstothecontrolpanel,elements,motor-blowerassembly,

filtersandall internalcomponents.Thegrillconfigurationmustbeeasilyfieldconvertible toanyairflowconfiguration (byremovalofnomorethanfourfasteners).Thecabinetshallhaveatextured,scratchresistant,finishoftwocoatsofpowerdercoatandbesuitableforusewithoptionalkickspacebase.

HEATING ELEMENTS: The heating elements shall be warranted for 5 years and shall be non-glowing design consisting ofspecialhightemperatureresistancewireenclosedinanincoloysheathtowhichsteelfinsarefurnacebrazed.Theheatingelementsshallbelocateddirectlyinfrontoftheblowerdischargeairforuniformheating.Theyshallbemountedwithasingleanchoratoneendtominimizeeffectsofthermalexpansionandcontraction.

SAFETY CUTOUT: Thermal safety limits shall be built into the system to automatically shut off heater in event of overheating duetoanycause.Thesafetycutoutsshallbeoftwotypes: A.Theprimarylimitshallbeanautomaticcapillarytypetosensetheheatalongthefulllengthoftheheatingelements.Itshall

de-energizetheheatersbyopeningthecoilcircuitontheheatingcontactors. B.Thesecondarylimitshallbeamanualresetthermaldevicetointerruptpowertotheheatingelements.

MOTOR AND BLOWER ASSEMBLY: The motors and blowers shall be direct drive and resiliently mounted on rigid heavy Gaugeframeforquietoperationandlonglife.Themotorshallbetwo-speed,shadedpoletype,ratedforthevoltage(480to600Voltsaresinglespeedonly).Eachshallhavebuilt-inautomaticresetoverloadprotectionandarelifetimelubricated.Themotorshallbeventedandmountedintheairstreamtoprovidemaximumcoolingofthemotor.

HIGH AND LOW HEAT RANGES: All units will be supplied as standard with a switch for selecting full heat at high fan speed orreducedheatatlowfanspeed(On480&600Voltunitstheswitchchangestheheatbutnotthefanspeed).

OVERCURRENT PROTECTION:CircuitbreakersshallbeprovidedforbranchcircuitprotectionwhererequiredbyNECandUL.Circuitbreakersareoptionalonallotherheaters.

TEMPERATURE CONTROL: Integralfactoryinstalledthermostatshallbetamperresistant,linearcapillarytype.

6300 Series Multiple Angle Cabinet Unit Heater

29

25”

11-11/16”

4-1/16”

Knockouts12”24”44”56”

1/4” Dia. Mounting Holes 3/5 KW = 33”6/10 KW = 46”

1/2”, 3/4” Conduit1/2”, 3/4” Conduit

1/2”, 1-1/2” Conduit

2-3/4”2-3/8”

3-3/8”

9“

25”

1-9/16”

3“

Mounting Hole Locations(Back View of Unit)

Product Dimensions

Product Features (2-24 KW; All Voltages)• Forcommercialandinstitutionalapplicationsuchasstores, schools,offices,transportationterminals,churches,entrance ways.• Wallorceilingmount;surface,semi-recessedorfully recessed.• (8)airinletandoutletconfigurations.• Capacitiesfrom2-24KWwith230to1,000CFM• Motorsaretwospeed,shadedpole,resilientmounted,direct drive.High/lowheatandblowerspeedofferversatility.• ULandCSAListed.

• BeigePowderCoatedFinish• Choiceofeightstandardcontroloptionsincludeunitorwall mounted120or24Vthermostats,withorwithoutbuilt-in controltransformers.• Industrialtypefinnedtubularelements.• Easilyremovablefanandelementdecksforsimplified maintenance.• Fulllengththermalprotection.• Limitedwarranty-oneyear.

Stocked Models & Features

• 1/3phasefieldconvertablewith24Voltcontrolcircuit.• Disconnectswitch,dustfilter,&highlowoperation.• Built-inthermostatandfieldconvertibleforremotethermostat.

Accessories

UPCMODEL SIZE DESCRIPTION

686334DUCT COLLAR

441568 DC-33 33"The same model is used for the inlet or outlet. If duct collars are required for both inlet & out-

let then 2 must be ordered.

441575 DC-46 46"441582 DC-66 66"441599 DC-79 79"

RECESSING TRIM FRAMES453783 TF-33 33"

Recessing Trim Frames should be ordered to "trim-out" any recessed or semi-recessed

installation.

453790 TF-46 46"453806 TF-66 66"453813 TF-79 79"

UPCMODEL SIZE

686334Fresh Air Make-Up Intake Flange & Kickbase

771580 FAM33 33"771597 FAM46 46"771603 FAM66 66"771610 FAM79 79"

Kickbase (Pedestal) ONLY771542 KB33 33"771559 KB46 46"771566 KB66 66"771573 KB79 79"


HEATER LENGTH

UPC# 686334 MODEL

HIGH LOWVOLTS PHASE Wt.

(lbs.)KW BTU’s AMPS CFM KW BTU’s AMPS CFM

33”

667142 6333D052033B30D0F

5 17065

25.0/17.6

250 3 10239

15.4/9.2

230

208 1-3*

99667159 6333D052433B30D0F 21.8/15.4 13.5/8.2 240 1-3*

667081 6333D054833B30D0F 7.8 4.6 480 3

46”

667180 6346D102033B30D0F

10 34130

50.0/35.1

500 6 20478

30.8/18.4

460

208 1-3*

130667197 6346D102433B30D0F 43.6/30.7 26.9/16.2 240 1-3*

667203 6346D104833B30D0F 15.4 8.1 480 3

*Factorywiredfor3-phase,fieldconvertibleto1-phase.

30Custom Specified Models

LENGTHKW Elements per

Heat Deck CFM1-PHASEUNITS-AMPS(HIGH) 3-PHASEUNITS-AMPS(HIGH)

208V 240V 277V 600V 208V 240V 480V3-WIRE 600V

High Low Left Right High Low

33”

2 1 2

250 230

10.6 9.3 8.12 3.83 9.22 8.13 4.14 3.33

3 2 3 15.4 13.5 11.7 5.5 9.22 8.13 4.14 3.38

4 2 4 20.2 16.7 15.3 7.2 13.4 11.8 6 6.22

5 3 5 25 21.8 19 8 17.6 15.4 7.8 5.5

6 3 6 29.9 26 22.6 10.5 17.6 15.4 7.8 6.3

46”

4 2 2

500 460

21.1 18.6 16 7.46 18.7 16.2 8.1 6.5

6 4 3 30.8 26.9 23.1 10.79 18.4 16.2 8.1 6.5

8 4 4 40.4 35.2 30.5 14.12 26.7 23.4 11.7 9.4

10 6 5 50 43.6 37.7 17.5 35.1 30.7 15.4 12.3

12 6 6 59.6 51.9 44.9 20.8 35.1 30.7 15.4 12.3

66”

6 3 2 2

750 690

31.8 27.9 24.1 11.3 27.6 24.3 12.3 9.8

9 6 3 3 46.2 40.4 35 16.3 27.6 24.3 12.3 9.9

12 6 4 4 60.6 52.9 45.8 21.3 40.1 35.2 17.7 15.6

15 9 5 5 75 65.4 56.7 25.5 52.6 46.1 23.1 15.7

18 9 6 6 89.4 77.9 67.5 31.3 52.6 46.1 23.1 18.5

79”

8 4 2 2

1000 920

42.3 37.1 32 14.9 36.7 32.3 16.2 13

12 8 3 3 61.5 53.8 46.5 21.6 36.7 32.3 16.2 13

16 8 4 4 80.7 70.5 61 28.2 53.4 46.8 23.5 18.8

20 12 5 5 NA 87.1 75.4 34.9 70.1 61.4 30.7 24.6

24 12 6 6 NA NA 89.8 41.6 70.1 61.4 30.7 24.6

*600V,1-phase,4elements.**600V,1-phase,6elements.NOTE:Heaterovercurrentprotection(perNEC)isrequiredonallunitsover48Amps.


HOW TO DESIGNATE A MODEL:

Serie

s N

umbe

r

Cabi

net S

ize

33=3

3”

46

= 4

6”

66

= 6

6”

79

= 7

9”

Elem

ent K

W2K

W th

roug

h 24

KWSe

e m

odel

cha

rt fo

r len

gth

and

KW o

ptio

ns.

Elem

ent V

olta

ge20

= 2

08V

2

4 =

240V

27 =

277

V41

= 4

15V

4

8 =

480V

57 =

600

V

Phas

e1

= Si

ngle

Pha

se

3

= Th

ree

Phas

e

Num

ber o

f Wire

s in

Ele

ctric

al S

ervi

ce2

or 3

Cont

rol O

ptio

nsB1

, B2,

B3,

B4,

B5,

B6,

B7,

B8

(see

con

trol

opt

ions

cha

rt)

Mot

or F

usin

g O

ptio

nM

= R

equi

red

O

= N

ot R

equi

red

Dis

posa

ble

Filte

r Opt

ion

F =

Requ

ired

O

= N

ot R

equi

red

Sum

mer

Fan

Sw

itch

S =

Incl

uded

O =

Not

Incl

uded

Dis

conn

ect O

ptio

nC

= Ci

rcui

t Bre

aker

D =

Dis

conn

ect S

witc

h

Air

Flow

Con

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atio

nA

= B

otto

m in

/ To

p ou

t

B =

Bott

om in

/ Fr

ont o

ut

D =

Fro

nt in

/ Fr

ont o

utC

= Fr

ont i

n / T

op o

ut

O =

Non

e

63 46 D 08 24 1 2 B3 S D O F

Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Step 8 Step 9 Step 10 Step 11 Step 12

31Control Option (Step 8 on Model Designator)

Disconnect Option “C” Circuit Breaker (Step 10 on Model Designator)

Disconnect Option “D” Disconnect Switch (Step 10 on Model Designator)

SUFFIX DESCRIPTION

S Summer Fan Switch

M Motor Fusing (when not provided by control option)

SUFFIX SIZE Qty. REQ'D

FILTER TYPE

F

33" 1

Replaceable46" 166" 279" 2

W

33" 1

Washable46" 166" 279" 2

Fan Switch & Motor Fusing (Step 11 on Model Designator)

Filter Option (Step 12 on Model Designator)

SUFFIX DESCRIPTION

B1* In-Built 1-Stage Stat and Relays which are operated by a field supplied 120 Volt source.

B2 In-Built 1-Stage Stat and Relays which are operated by a field supplied 24 Volt source.

B3 In-Built 1-Stage Stat and Relays which are operated by an internal 24 Volt source.

B4* In-Built 1-Stage Stat and Relays which are operated by an internal 120 Volt source.

B5 In-Built 2-Stage Stat & Relays which are operated by an internal 24 Volt source.

B6* In-Built 2-Stage Stat and Relays which are operated by an internal 120 Volt source.

B7 In-Built 2-Stage Stat and Relays which are operated by a field supplied 24 Volt source.

B8* In-Built 2-Stage Stat and Relays which are operated by a field supplied 120 Volt source.

*Motor fusing included for units with 120v internal or external control source.

KWSINGLE PHASE THREE PHASE

208V 240V 277V 600V 208V 340V 480V 600V

2

avai

labl

e

avai

labl

e

avai

labl

e

avai

labl

e

avai

labl

e

avai

labl

e

avai

labl

e

avai

labl

e

3

4

5

6

8

10

requ

ired12

requ

ired15

requ

ired

requ

ired16

18

20N/A required

24 N/A

Circuit breakers shown in shaded areas are required by NEC because unit exceeds 48 Amps, all others listed are optional unless otherwise stated.

KWSINGLE PHASE THREE PHASE

208V 240V 277V 600V 208V 340V 480V 600V

2

avai

labl

e w

ithou

t ci

rcui

t bre

aker

opt

ion

"C"

avai

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"

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uit

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uit b

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reak

er o

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n "C

"3

4

5

6

8

10

not a

vaila

ble

12

not a

vaila

ble15

not a

vaila

ble

not a

vaila

ble

16

18

20 not available24

Disconnect option is not available on heaters with circuit breaker.


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