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1 TTaabbllee ooff UUnniitt HHeeaatteerrss -- MMooddeellss HHEERR,, VVEE,, ..3, Components .. Options ..7, DDeelliivveerryy UUnniitt HHeeaatteerrss -- MMooddeell Data .. DDeelliivveerryy UUnniitt HHeeaatteerrss -- MMooddeell Data .. PPoowweerr--TThhrrooww HHoorriizzoonnttaall DDeelliivveerryy UUnniitt HHeeaatteerrss -- MMooddeell Data .. HHoorriizzoonnttaall UUnniitt HHeeaatteerrss--MMooddeell ..16, Data .. HER,VE,PTE .. HEX ..21, 22 TTAABBLLEE OOFF CCOONNTTEENNTTSS22 AAss MMooddiinnee MMaannuuffaaccttuurriinngg CCoommppaannyy hhaass aa ccoonnttiinnuuoouuss pprroodduucctt iimmpprroovveemmeenntt pprrooggrraamm,, iitt rreesseerrvveess tthhee rriigghhtt ttoo cchhaannggee ddeessiiggnnaanndd ssppeecciiffiiccaattiioonnss wwiitthhoouutt 33 EELLEECCTTRRIICC UUNNIITT HHEEAATTEERRSS -- MMOODDEELLSS HHEERR,, VVEE,, PPTTEEWW iiddee RRaannggee ooff SSiizzeess aanndd TTyyppeessHorizontal air delivery unit heater type (HER series):27 models, seven sizes from 5 kW through 25 air delivery unit heater type (VE series).

2 21 models, nine sizes from 5 kW through 50 kW. Power-Throw unit heater type (PTE series):This is a high-capacity unit with horizontal air delivery. Threemodels, three sizes from 15 kW through 50 IInnssttaallllaattiioonn CCoossttTransformers, contactors and fuses are factory-furnished andfactory-wired when required. Terminal blocks are supplied tofacilitate connection of power supply and control wiring and conduit sizes are utilized. Modine electricunit heaters are lightweight - require no special reinforcement tosuspend them. Hang them, connect them to the power supply,controls and thermostat and they are ready to ttoo SSeerrvviicceeFan and motor are exposed and can be removed withoutlowering the unit heater.

3 A hinged bottom panel permits fullaccess to controls on models HER, horizontal units. Verticaldelivery and Power-Throw models have separate controlboxes externally mounted on the MMaaiinntteennaanncceeMotors are totally enclosed, permanently lubricated, andthermally protected. Electrical contactors, fuses, and trans-formers are all safely enclosed in control FFlleexxiibbiilliittyyLow-voltage control is available for both horizontal and verticaldelivery models for low voltage thermostat control. Standardtwo-stage controls are used on 30, 40, and 50 kW vertical and Power-Throw unit heaters. Low-voltage control is not offeredfor use with two-stage thermostats on the three larger capacityvertical units nor on the Power-Throw FFlleexxiibbiilliittyyHorizontal delivery models, including the high-capacity Power-Throw units, are equipped with adjustable horizontallypositioned air deflector blades to provide control over the up anddown movement of air delivered by the unit heaters.

4 Furthercontrol over air discharge may be achieved by means ofdeflector blades which are vertically positioned within thedischarge opening of the unit heater. Only available as an optionon model HER horizontal units, the addition of these verticalblades together with the standard horizontal blades permitcomplete directional control over the air discharged by the unitheaters. Vertical delivery models may be equipped with optionalair deflectors to provide flexibility for a variety of OOppeerraattiioonnFans are accurately balanced to move air quietly. Die-formedventuri openings reduce noise of air movement and shieldmotors on vertical delivery and Power-Throw models todampen operational noise and to keep motors cool.

5 Motorsmounted to fan guards utilize rubber vibration absorbingmaterial for quieter UUnniitt HHeeaatteerr LLiiffeeNickel chromium wire elements are enclosed in a powder-filledsteel tube around which external fins are spiralled and perma-nently fused to provide maximum heat transfer. Heatingelements are resistant to thermal shock and vibration for a long,trouble-free DDeelliivveerryy UUnniitt HHeeaatteerrssHorizontal delivery units are recommended for use in buildingswhere ceilings are low and with few obstructions. They areequipped with air deflector blades that can be adjusted tolengthen or shorten heat throw as well as to direct heated aireither up or down.

6 Vertical deflector blades are also available(optional) to deflect air either to the left or right of the , both sets of deflectors permit complete directionalcontrol over discharge of heated air. Horizontal delivery units arenormally placed around the perimeter of the building so that theair stream from each heater wipes the wall to produce ablanket of warm air along the building s outside walls where heatloss is DDeelliivveerryy UUnniitt HHeeaatteerrssVertical delivery units are generally installed in areas whereceilings are high and where obstructions do not permit goodhorizontal movement of air. Deflectors (optional) can be used toproduce a variety of distribution patterns (see page 12).

7 Verticalunit heaters are usually oriented so that the heat spread fromone overlaps the heat spread of another unit heater. PPoowweerr--TThhrrooww HHoorriizzoonnttaall DDeelliivveerryy UUnniitt HHeeaatteerrssWhere there is a requirement for air velocity and heat throwgreater than can be provided by cataloged horizontal deliverymodels, Power-Throw unit heaters with their longer horizontalheat throw should be considered. For hard-to-heat areas, suchas the vicinity of frequently opened loading dock doors or largewarehouses, Power-Throw units are frequently an ideal to the higher velocity of discharge air, however, their airstreams should not be directed at room occupants.

8 A single Power-Throw unit heater can often be used to replace as manyas three smaller horizontal delivery units, thereby reducingequipment, installation and maintenance UUnniitt HHeeaatteerrss RReeccoommmmeennddeedd aass aaSSoolluuttiioonn ttoo MMaannyy HHeeaattiinngg PPrroobblleemmssRReeccoommmmeennddeedd ffoorr TTOOTTAALL HHEEAATTIINNGGM odine electric unit heaters can meet the total heatingrequirement in most industrial plants, commercial and recre-ational buildings, and in special-purpose structures such asanimal shelters. The features that make them the ideal selectionfor these types of buildings are a long heat throw, uniform heatdelivery and low installation and maintenance costs.

9 High upand out-of-the-way, unit heaters beam heat down into workareas to provide clean, safe, economical heating ffoorr TTEEMMPPOORRAARRYY HHEEAATTIINNGGThe ease with which electric unit heaters are installed makethem ideal for use in buildings under construction, where heat isneeded temporarily. Also, in buildings where frequentlychanging work locations present heating problems, electric unitscan be relocated quickly, saving time and labor ffoorr SSUUPPPPLLEEMMEENNTTAALL HHEEAATTIINNGGLike a light bulb, electric units cost nothing when not in are ideal for spot heating applications during short periodsof occupancy of the area to be heated.

10 In out-of-the-waylocations, remote from areas served by the building s mainheating systems, electric unit heaters can often preclude theexpense of extending gas, steam, or hot water ffoorr LLOOWW HHEEAATTIINNGG RREEQQUUIIRREEMMEENNTTSSIn mild climates, or in certain areas where just-above-freezingtemperature must be maintained, electric unit heaters arerecommended as the heat source. Thermostats can be set toautomatically maintain a predetermined temperature, anadvantage which especially dictates their use in unattendedbuildings. Short and infrequent operation of electric unit heatersprovided an economical means for supplying low heatingrequirements with only a modest investment in ffoorr SSTTAANNDD--BBYY HHEEAATTIINNGGW here fossil fuel supplies are interruptible or undependable,electric unit heaters are recommended as a stand-by or back-upheating system to supply comfort to an entire building or anypart of it.