Brochure

TECHNICAL DATA
Model F
A
For U.S. installations, ratings for altitudes to 2000 ft.. Above 2000 ft., derate by 4% for each 1000 ft. above sea level.
A
For Canadian installations, ratings for altitudes to 2000 ft. High altitude units (2001-4500 ft.) are derated by 10% of maximum input.
B
Gas connection for propane is 1/2" for all sizes. Sizes shown are for gas connection to a single-stage gas valve; NOT gas supply line size.
C
Additional mounting heights shown later in this catalog.
D
All other information in this table is based on a heater equipped with a standard 115v motor. (The standard motor for a Model 25 is an enclosed motor; all other
standard motors are open motors. Optional enclosed motors are available in 115v only.)
Size 25 50 75 100 125
HeatingInput-BTUH(kW) 25,000 (7.3) 50,000 (14.7) 75,000 (22.0) 100,000 (29.3) 125,000 (36.6)
ThermalOutput-BTUH(kw)(80%)
A
20,000 (5.9) 40,000 (11.7) 60,000 (17.6) 80,000 (23.4) 100,000 (29.3)
Vent Outlet Diameter 4” Rd 4” Rd 5” Oval 6”Oval 7” Oval
GasConnection-NaturalGas
B
1/2” 1/2” 1/2” 1/2” 1/2”
ControlAmps(24-volt) 0.33 0.33 0.33 0.33 0.33
Full-LoadAmps(115volt) 0.8 1.3 1.9 2.8 2.9
NormalConsumption(watts) 60 95 135 195 205
Throwat8’(2.4M)MntgHt-ft(M)
C
35 (11) 39 (12) 48 (15) 60 (18) 73 (22)
Motor HP
D
Standard 1/50 1/35 1/15 1/30 1/30
OptionalEnclosed -- 1/15 1/15 1/8 1/8
Motor RPM 1550 1550 1550 1050 1050
FanDiameter-in.(mm) 10 (254) 10 (254) 12 (305) 14 (356) 16 (406)
Air Volume - CFM (M
3
/hr) 380 (646) 650 (1,104) 980 (1,665) 1,250 (2,124) 1,600 (2,718)
OutletVelocity-FPM(M/s) 423 (2.1) 853 (4.3) 1,166 (5.9) 1,358 (6.9) 1,330 (6.8)
ApproximateNetWt-lbs(kg) 72 (33) 79 (36) 88 (40) 97 (44) 127 (58)
ApproximateShippingWt-lbs(kg) 89 (40) 96 (44) 107 (49) 118 (54) 150 (68)
Size 165 200 250 300 400
HeatingInput-BTUH(kW) 165,000 (48.4) 200,000 (58.6) 250,000 (73.3) 300,000 (87.9) 400,000 (117.2)
ThermalOutput-BTUH(kw)(80%)
A
132,000 (38.7) 160,000 (46.9) 200,000 (58.6) 240,000 (70.3) 320,000 (93.8)
Vent Outlet Diameter 8” Oval 8” Oval 10” Oval 10” Oval 12” Oval
GasConnection-NaturalGas
B
1/2” 1/2” 1/2” 3/4” 3/4”
ControlAmps(24-volt) 0.23 0.23 0.23 0.2 0.2
Full-LoadAmps(115volt) 4 4 2.5 4 7
NormalConsumption(watts) 275 300 280 375 565
Throwat8’(2.4M)MntgHt-ft(M)
C
78 (24) 85 (26) 96 (29) 108 (33) 120 (37)
Motor HP
D
Standard 1/20 1/20 1/6 1/4 1/2
OptionalEnclosed 1/8 1/6 1/6 1/2 1/2
Motor RPM 1050 1050 850 850 850
FanDiameter-in.(mm) 16 (406) 20 (508) 22 (559) 22 (559) 24 (610)
Air Volume - CFM (M
3
/hr) 2,200 (3,738) 2,800 (4,757) 3,360 (5,708) 3,800 (6,456) 4,940 (8,393)
OutletVelocity-FPM(M/s) 1,100 (5.6) 1,217 (6.2) 1,182 (6.0) 1,426 (7.2) 1,420 (7.2)
ApproximateNetWt-lbs(kg) 149 (68) 170 (77) 204 (93) 221 (100) 276 (125)
Form RZ-C-UH (Version H) Page 18
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