Document gbyBRxEdzwodKm0ngjMQN94EN
134
Air Conditioning
MAMMOTH FURNACE COMPANY
6425 CAMBRIDGE STREET MINNEAPOLIS 26, MINNESOTA
Commercial-
DIRECT-FIRED SPACE HEATERS
Commercial-Aire Direct-Fired Space Heaters have a high fuel-to-heat conversion efficiency. They are ruggedly built for quiet, vibrationless operation. All controls, wiring, and moving parts are accessible for service. Among the many desirable features are the central control cabinet, retractable burner tray, MH-Electronic flame control, pre-ignition draft purge timing and draft sensing, and vortex cooled motor shaft to blower wheel. A variety of controls, power supplies and burners by reputable manu facturers may be specified and integrated. Write for Bulletin C-357.
SAFETY TESTED and approved by A.G.A. Labora tories and Listed by Underwriters' Laboratories, Inc. Commercial-Aire safety control circuit is ac cepted by Factory Mutual Engineering Division and Factory Insurance Ass'n. Control circuit wiring meets J.I.C. Requirements.
Model
Stu Output
2000
300.000 400,000 560,000 700,000 800,000 1.000,000
1,500.000 1,750,000 2,000,000
Sq. It. Htg.
Surface E.D.T.
135.3 1354 183.6 183.6 276.8 276.8
431.0 431.0 574.1 S74.1
Cttn @ 'A' EXT. s:p. 85 RISE
4.000 S400 7,000 8.700 10.000 13,000 16,000 19,000 23,000 26,000
Blower OIDW
14`-twln 14*-twin 14*-trlple 14*-triple 16'-tripte 16'-trlple 18*-triple 18'-triple 2l*-lripJe 21'-triple
MODEL "FO"
For duct distribu(ion. For church es. schools, au ditoriums, etc.
SPECIFICATIO NS
nr-Motor hp
% 1
1A 2 3 5 5
VA 7A 10
575
640 750 820 710 790 7SS 830
680 740
Max. Firing Rate
Oil Gas gph cih
3.0 373 4.0 soo 5.0 688 7.0 875 74 1,000 9.5 1,250 114 1463 14.0 1,875 164 2,188 184 2400
Length Height Width
60" 80* 32~ r 80* 32* 80- 80* 32* 80* etr 32* str 83* 48' 80* 83* 48* 100* 96' 54* 100* 96* 54' 120* 96* 60* 120* 96*
MODEL MU" Suspended in verted unit for make-up Mr ap
plications in plants, foun dries, etc.
Plenum Opening
18x60 18x60 18x80 18x80 22x80 22x80 26x100 26x100
Mech. Approx. Exhaust Shipping. Discharge Weight
8*dia. 8*dia.
1490
IC'dia.
COMPACTO HORIZONTAL. SUSPENDED HEATERS
Require no floor space. Easily suspended from rafters or installed in loft or attic with or without ducts. Available as complete wired package ready for fuel line hook-up or with burner and controls unwired and unassembled. Has rugged 10 and 11 gauge welded plate steel heat exchanger with in ternal stainless steel combustion chamber for trouble-free performance. Oil or gas fired. Write for Bulletin 57S-1.
MODEL 450
B.T.U. INPUT
232,000 280,000 326.000 375,000 450,000 500,000 560,000
B.T.U. OUTPUT
185,000 22S.OOO 260.000 300.000 3S0.000 400.000 450.000
SO- FT. HEATING SURFACE
55.4 S5.4 78.2 784 1304 1304 1304
SPECIFICATIONS
C-F.M. @ H* S.P. 70 AIR
2130 2580 3000 3450 4030 4600 5200
C.F.M. @ %* S.P. 85 RISE
2460 2980 3465 3985 4655 5313 6000
MOTOR H.P.
'A 'A 'A * 1 iA 1A
BLOWER SIZE
14' 14* 16* 16* IS* 18* 18*
APPROX. BLOWER
R.P.M.
509 539 525 565 575 600 650
FIRING RATES
OIL G.P.H.
GAS C.F.H.
1.75 232
2.50
4.00
APPROX. SHIPPING
WEIGHT
695
hAnUUI Butbc, llliiil-Htri Beaten
MAMMOTH FURNACE COMPANY
6425 CAMBRIDGE STREET . MINNEAPOLIS 26, MINNESOTA
135
Compact-film
HEATERS
Compact-Aire heaters are designed for churches,
schools, commercial buildings, offices, light manufac
turers and larger homes when a BTU output from
185,000 to 500,000 is indicated. Stainless steel cylin
drical combustion chambers of high efficiency tailor
flame of gas or oil fuel in any position (upright, hori
zontal or inverted). Ten year warranty.
High efficiency blower assembly and compartment
feature low r.p.m. with low horsepower requirements.
Has self-aligning, lifetime bearings balanced for vi
brationless, low noise-level operation.
Heat exchanger extracts maximum heat for ex
cellent fuel economy. Tubes welded into flared open
ings in head plate permit strain-free expansion and
contraction.
Write for Bulletin CA-459
Moon
B.T.U OUTPUT
195 185400 23S 235,000 265 260.000 295 300,000 335 335,000 375 370,000 415 415,000 455 <50.000 500 500.000
"External Static Praaaer* "Mineable
FD LO-BOY lor low upright duct inrtaflation with bypass.
SO. FT. HEATING SURFACE
PRI SEC
14.1 14.1
21.8 21.8 214 27.4 27.4 30.2 30.2
42.3 42.3 53.6 53.6
53.6 674 674 84.0 84.0
SPECIFICATIONS
CFM0 54' E.S*." tS" RlM
2343 2958 3295 3805 4269 4686 5278 5707 Km
MOTOR H.P.
SIS OF APPROX. BLOWERCS) SLOWER DJJ5.W. RPM""
FIRING RATE OIL GAS GPH CFH
A
i-ir
555
1.65
'A
i-ir
590
2-00
293
'A
s-ir
545
240
325
X
2-13*
548
2.70
375
%
2-ir 552
3.00
420
1
2-15*
492
340 465
1
2-15*
515
3.70
520
1
2-15*
527
4.00
560
VA
2-15*
545
4.50 625
tFIrine ratrt bmad on MSJOO BTU oil, 1.000 BTU Ail tpacifications aubtaet to dtaneo vttboot notice.
LENGTH WIDTH HEIGHT
38 36
50 50 SO 60 60 60 60
eaa at W%
28 28 30 30 30
38 38 38 38
attidaflcr.
60 60 64 64 64 68 68 70 70
APPROX. SHP'G. WEIGHT
810 810 810 1020 1020 1220 1220
ADAPTO FURNACES
7 Designs from 8 Sizes/315,000 to 2,379,000 B.T.U.'s Vertical tubular design, welded heavy duty boiler plate steel construction. Features long flue travel, heat saver, extra head space. Radiant straight line heat increases efficiency. Baked enamel casings. Oil, gas or coal fired.
Write for Bulletin 57M-1.
COMPACTO FURNACES
5 Sizes/175,000 to 413,000 B.T.U.'s Compact, efficient and economical. Vertical tubular design. Welded heavy duty boiler plate steel construction. Compact casing encloses primary chamber, heat saver, blower, motor and filters. Oil, gas, or coaL
Write for Bulletin S7M-1.