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Specifications r, , COUNT ON Cif j FORT WITH LENNOX PRODUCTS DESIGNED LAST L'# NGER AND ' ERFORM BETTER. • For more than 100 years, Lennox has been creating high - quality, high - performing HVAC systems to keep you comfortable. An exceptional combination of solid construction and intelligent design, Lennox unit heaters and duct furnaces provide supplemental heating to help assure superior levels of comfort and efficiency. > ,!�:,••.� - � �3.i"rte "�. •; ° °c , ..,' ' ... . - E II N'E ® ` < S,L ; tDependable ; and "durable,"Lennox' quality duct i furnaces and unit h'eaters.are`the result'of Lennox' r e •: te a. ' ^. .. ':in' novative en and thoughtf ' design , This combination'isthe hallmark of ° e very G . and durability help e - heat product n s . F Choose an Lennox commercial heating Aproductmfor , , °c ,, � � - ° " Factory- wired,and .,tested units that o G ;reduce instaljation time and ensure` ° rr ° . 4 excellent= opera tion . ; E Simplified installation Quiet, efficient i • ,; Your choice of heating "capacities'to i e Shipped fully assembled performance ; ;. improve comfort in areas -large or small '`E and factory-wired • Induced draft improves efficiency < 44 , „: , *" , „,,;,, ma „q, ° _ _,, ,6, ' ° _,r ", t • Designed with sidewall venting ® Low firing rates per tube allow a" Energy - efficient heaters at work sfely, ” ' tr "x ° ` l to eliminate rooftop penetration quiet operation ,s quietly'and accurately ' - ; i to Wiring junction boxes located • Solid state electronics increase ��k��`;� °"; � ;', .;':'�` " >_s %. s�e” - on outside for easy access safety and reliability k °` #Whichever model ' o Sidewall or horizontal venting *Complies with ASHRAE choose, you'll receive high - q uality, ; .• mFactory- tested for trouble free 90.1 -1999 `�" ,high - performing HVAC :. " ' ' - "I start -up ■ ° � -,kv_ , ; 6 , ; � " . . <W ,--e j z Flexible options • LEN O 'EE T ti RES . Natural gas or propane • ',.• t :S E 4".W.;17117:0 EST ; ;III' . I * Stainless steel heat exchangers _ f' , ' T] E U N • Available in compact cabinet size 1H E ST 'Ya for small areas ' " ® Lar er unit heaters suit higher- : lennox matches the. most exciting innovations-; capacity commercial applications L - in the HVAC industry with more than a Ce n • Duct furnaces up to ,'" ,; heritage =of excellence in manufacturing and . .t 300,000 Btuh ... t,r • g ineering. Products are built according to . .�. . m Unit heaters from 30,000 i A i engineering. - ., ", internationally recognized IS0, " standard" - .t s _. to 400,000 Btuh a ; : , , - �4'„'ra ° > ` � ' : ' . ,; fo quality' assurance, : ° ; • _, u= ' then backed by extensive e° �i�s'��" Y , IA=',-, r ranties fo Our uh � I ( I Y) 4 a a � � a 1 � ' +^ � \ \fir / ' h exceptional promise ' R % � aof de endabilit °s - .SVSTCMs ° P x • • r I o C y :14416.43, - e ' 71] ,., . ✓ j v ' ' ,,,, : ; » ... fp � , ,.b;.6x,'t..�».e ua ,. Ot &Ie _. ..�. �"�^. :,, '. 1 N FOR LLE RK (SPA -' - ® 30,000-75,000 Btuh heating capacity ° Sidewall venting eliminates �, a ® Up to 81% efficiency roof penetration Complies with ASHRAE 90.1 -2001 F, m 1" top clearance allows direct mounting efficiency requirements Optional accessories include: # ; s ; ry` ; ' ,, 3 ; � Compact cabinet design e LPG /Propane kit `" ,,° ,r''"e . T::: " " . Induced draft blower for greater efficiency ° High - altitude pressure switch kit I v ;^ Stainless steel heat exchanger is ° Horizontal power venting kit N ,- `'"i3;:F ,.;204,2 3 and 90° discharge nozzle ';✓',Y '•, :.3, `° v ,! f ' available f or longer life 0° 45° 60° ar e Low firing rates per tube allow quiet operation . LF24-30 ALUMINIZED IGNITION NEAT MODULES All remaining covered • c EXCHANGER �_V ■Q - YEAR L' E components carry a • LIMITED WA • WARRANTY RRANTY 1-year limited warranty. 004#570P. .07w:777 \ ° �.� °s; "� 11 FOR INDUSTRIAL AND 3 $C1/tL PPL CAT r� * 100, 400,000 Btuh heating capacity Low firing rates per tube allow ` `' '' ry � • Up to 82% efficiency. quiet operation , :`° ". -.. _ ." .` ,. „ t C omplies with ASHRAE 90.1 -2001 Sidewall venting 3. , idewall ventin eliminates efficiency requirements roof penetration %' * Quiet, efficient direct drive fan with Optional accessor include: 1 • „•�i, ^ a louvers allow air flow to be LPG /Propane kit '' , ,, � , ro directed where it is needed ° High- altitude pressu switch kit ° Induced draft blower for greater efficiency * Horizontal power venting kit € , , �'„ Stainless steel heat exchanger is ®30 °, 45 °, 60° and 90 disc nozzle t� , available for longer life � '. STAINLESS ALUMINIZED IGNITION STEEL NEAT MODULES All remaining covered �� ' MEAT EXCHANGER E %CHANGER 1 -YEAR LF24 - 100 15 I - M Y ITE EAR 1 � -Y L TMI iED EAR IIMITEb components carry a • LD W DY W ARRANTY- WARRAN 1yearlimited warranty. A FOR A IAR E Btuh Y �D ,+�lfheating 'PUCA 'I N Stainless steel heat exchanger is -' => , R% "°;. 6 Up to 300,000 capacity G Y „ c available for longer life t � Nq ` p Complies Up to 80 % with thermal ASHRAE efficien 90.1 y 2001 °Low firing operation rates per tube allow e ' , :', 5 ,,; efficiency requirements quiet ?•.. , .,.r,'' S � Compact, lightweight cabinet with Sidewall venting eliminates i suspension for easy, secure roof penetration r 4 �. overhead installation R Induced draft blower for greater efficiency a �s ,: •. � ': STAINLESS- ALUMINIZED D IGNITION All remaining covered xf STEEL BEAT k ''^' HEAT E %CNANG ER MODVLES q E57 -YEA R Components Carry a S -Y E G E A R R 2 - YEAR 1 -year limited warranty. LIMITED LIMITED LM / 3 ''' W ARRANTY WARRANTY 'WAIRRANTY • LD24 -200 MODEL LF24-30A LF24 -4SA • LF24 -60A 1F24-754 Heating Capacity Input Btuh (kw)' 30,000 (8.8) 45,000 (13.2) 60,000 (17.6) 75,000 (22.0) Heating Capacity Output -Btuh (kw) 24,300 (7.1) 36,500 (10.7) 48,000 (14.1) 60,000 (17.6) Steady State Efficiency 81.0% 81.0% 80.0% 80.0% • Air Volume -cfm (Us) 535 (250) 750 (355) 830 (390) 950 (450) Temp. Rise "F ( °C) 42 (23) 45 (25) 55 (31) 60 (33) Air Throw at 8 ft. (2.4m) Mounting Height -ft. (m) 25 (7.6) 25 (7.6) 40 (12.2) 40 (12.2) Flue Size • Round- Vertical Venting 3 (76)* 3 (76)* 4 (102) ** - 4 (102) ** in. (mm) Horizontal Venting - Residential 4 (102) * ** 4 (102) * "" 5 (127) * * ** 5 (127) * * ** Gas Piping Size -in. (mm) Natural or LPG Propane 1/2 (13) 1/2 (13) 1/2 (13) 1/2 (13) - Amps 1.7 1.7 4.1 4.1 Fan Motor RPM ' 1650 1650 1050 1050 Electrical Characteristics 115 volts - 60 hertz -1 phase 115 volts - 60 hertz -1 phase 115 volts - 60 hertz -1 phase 115 volts - 60 hertz -1 phase Shipping Weight- lbs. (kg) 1 Package 60 (27) 63 (29) 87 (40) 91 (41) *2 -1/8' x 3' (54mm x 76mm) diameter adaptor is furnished with unit for flue connection *2' x 4' (51mm x 102mm) diameter adaptor is furnished with unit for flue connection. * * "3' x 4' (76mm x 102mm) vent diameter adaptor is required (not furnished) for horizontal venting in residential applications. " "*4' a 5' (102mm x 127mm) vent diameter adaptor is required not furnished) for horizontal venting in residential applications. r", -1 :13!;26: ••••,`, -44,4%,ati ' ' INIVON,An ;141075'z' lir > e ,. r, , ,, r r x i• ray >. }5 `p , r.... 5y5y * MODEL • Aluminized Steel LF24-IOO4 LF24 -1254 LF24 -1504 Lt44-2004 LF24 -2504 . LF24 -300A LF24-345A LF24 -4004 Stainless Steel LF24 -100S LF24-125S MIME= LF24 -2005 IIIMEUMM LF24 -3005 LF24 -34SS LF24-400S Heating Capacity nut Btuh (kw) 100 000 (29.3) 125,000 (36.6) 150,000 (44.0) 195 000 (56.9) 250,000 (73.3) 300,000 (87.9) 345,000 (101.1) 390 000 (114.3) Heating Natural 80,500 (23.6) 100,625 (29.4) 120,750 (35.4) 156,000 (45.6) 201,250 (59.0) 241,500 (70.8) 276,000 (80.9) 312,000 (91.4) Capacity Output LPG/ Btuh (kw) Propane 82,000 (24.0) 105,500 (30.9) 123,000 (36.0) 156,000 (45.6) 205,000 (60.1) 246,000 (72.1) 281,200 (82.4) 312,000 (91.4) Steady an � // Natwr) 80.5 % 80.5 % 80.5 % 80.0 % 80.5 % 80.5 % 80.0 % 80.0% State Propane p 82.0% 82.0% 82.0% 80.0% 82.0% 82.0% 81.5% 80.0% • Flue Size Round - in. (mm) 4 (102)* 4 (102)* 4 (102)* 5 (127) ** 5 (127) "" 5 (127) ** 6 (152) * ** 6 (152) * ** Gas Piping Size - in. (mm) 1/2 (13) 1/2 (13) 1/2 (13) 1/2 (13) 3/4 (19) 3/4 (19) 3/4 (19) 3/4 (19) Fan Motor Full Load Am.s (total) 4.1 4.1 2.1 2.1 2.1 (4.2) 2.1 (4.2) 2.1 (4.2) 2.1 (4.2) Electrical 115 volts 115 volts 115 volts 115 volts 115 volts 115 volts 115 volts 115 volts Characteristics 60 hertz -1 .hale 60 hertz -1 •hase 60 hertz -1 .hase 60 hertz -1 .hase 60 hertz -1 .hase 60 hertz -1 •hase 60 hertz -1 •hase 60 hertz -1 .hose Shipping Weight - lbs. (k:) 1 Package 140 (64) 150 (68) 165 (75) 175 (79) 285 (129) 305 (138) 310 (141) 315 (143) *2 -1/8' x 4' (54mm x 102mm) diameter adaptor is furnished with unit for flue connection. " "2 -1/4' x 2 -3/4' (57mm x 70mm) rectangular to 5' (127mm) round adaptor is furnished with unit for flue connection. " " *2 -1/4' x 2 -3/4' (57mm x 70mm) rectangular to 6' (152mm) round adaptor is furnished with unit for flue connection. Itir`.41„,„ qItXiftgiqgggrt nrPiXiattaf: t? ° ' ' A. : .X:CITOINFitrirnflil 4) .V 4 :4; Sift:j MODEL: Aluminized Steel L024-754 LD24-100A L024 -1254 • LD24-1504 L1224 -2004 L024 -2504 L1)24-3004 Stainless Steel LD24 -755 LD24 -1005 L.024 -1255 LD24 -ISOS 1.024 -2005 1.024 -2505 L.D24 -3005 Heating Capacity Input Btuh (kw) 75,000 (22.0) 100,000 (29.3) 125,000 (36.6) 150,000 (44.0) 200,000 (58.6) 250,000 (73.3) 300,000 (87.9) Heating Capacity Output Btuh (kw) 60,000 (17.6) 80,000 (23.4) 100,000 (29.3) 120,000 (35.1) 160,000 (46.8) 200,000 (58.6) 240,000 (70.3) Steady State Efficiency 80.0% 80.0% 80.0% 80.0% 80.0% 80.0% 80.0% Air Volume Minimum 780 (370) 870 (410) 1020 (480) 1320 (625) 1480 (700) 1850 (875) 2220 (1050) Throughout- cfm (Us) Maximum 2700 (1275) 3700 (1745) 4700 (2220) 5600 (2645) 4230 (1995) 5290 (2495) 6190 (2920) Temp. Minimum 21 (12) 20 (11) 20 (11) 20 (11) 35 (19) 35 (19) 36 (20) Rise - °F ( °C) Maximum 71 (40) 85 (47) 91 (51) 84 (47) 100 (57) 100 (57) 100 (57) Flue Size Round - in. (mm) 4 (102)* 4 (102)* 4 (102)* 4 (102)* 5 (127) ** 5 (127) ** 5 (127) *" Gas Piping Size NPT- e in. (mm) 1/2 (13) 1/2 (13) 1/2 (13) 1/2 (13) 3/4 (19) 3/4 (19) 3/4 (19) Condensate Drain Size Barb -in. (mm) 1/4 (6) 1/4 (6) 1/4 (6) 1/4 (6) 1/4 (6) 1/4 (6) 1/4 (6) Electrical 115 volts 115 volts 115 volts 115 volts 115 volts 115 volts 115 volts _ Characteristics 60 hertz -1 .hase 60 hertz -1 •hase 60 hertz -1 .hase 60 hertz -1 .hase 60 hertz -1 .hase 60 hertz -1 .hase 60 hertz -1 .hase Shipping eight - lbs. (kg) 1 Package 95 (43) 130 (59) 135 (61) 150 (68) 245 (111) 260 (118) 275 (125) *2 -1/4' a 4' (57mm a 102mm) round flue adaptor furnished. * *2 -1/4' x 2 -3/4' (57mm x 70mm) rectangular to 5' (127mm) round flue adaptor furnished. Due to Lennox' ongoing commitment to quality, all specifications, ratings and dimensions are subject to change LENNgx without further notice. ., ? r ® COMMERCIAL COMFORT SYSTEMS t lY ♦M OD Lennox Industries Inc. 2003 litho U.S.A. (39M37) - 11/03 Visit us at www.lennox.com, or contact us at 1- 800 -4- LENNOX. PC37323