Brochure

● Power venter
● Vertical louvers
● Downturn air nozzle, 25-65° or 50-90° variable air deector range
● Thermostat and relay kits
● Air recirculation kits
● Manual summer/winter switch
● Filter cabinet with 1" or 2" lters
● Polytube adapter - Models 75-400
● Multiple heater control
● Hanger kits to suspend from 1" pipe or to use with vibration isolation suspension
● Unit-mounted thermostat bracket
● Step down transformer 230/115 or 460/115 - Sizes 25-100
● Burner air shutters
● Low ambient fan control relay kit
● Belt guard and/or blower inlet guard
● Single-stage and two-stage thermostats
● Thermostat guard with locking cover
● Manual shutoff valve and union
● Gas conversion kit
NOTE: Not certied for residential use.
OPTIONAL FEATURES -
FIELD INSTALLED
TECHNICAL DATA
Model B
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)
BTUHThermalOutput(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) 2.9 2.9 5.3 5.3 6
NormalConsumption(watts)-(60°F
riseand.25”w.c.ESP)
140 175 340 430 500
MaximumAirVolume-CFM(M
3
/hr) 410 (697) 820 (1,393) 1,230 (2,090) 1,645 (2,795) 2,055 (3,491)
Minimum Air Volume - CFM (M
3
/hr) 245 (416) 490 (832) 740 (1,257) 985 (1,673) 1,235 (2,098)
Standard Motor Horsepower 1/6 1/6 1/3 1/3 1/3
BlowerSize(inches) 9x6 9x6 9x6 9x9 10x10
ApproximateNetWt-lbs(kg) 93 (42) 100 (45) 114 (52) 126 (57) 176 (80)
ApproximateShippingWt-lbs(kg) 193 (88) 206 (93) 229 (104) 241 (109) 318 (144)
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)
BTUHThermalOutput(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) 9 9 11 13 230V-9.1
NormalConsumption(watts)-(60°F
riseand.25”w.c.ESP)
710 750 1000 1320 1650
MaximumAirVolume-CFM(M
3
/hr) 2,715 (4,613) 3,290 (5,590) 4,115 (6,991) 4,935 (8,384) 6,500 (11,043)
Minimum Air Volume - CFM (M
3
/hr) 1,625 (2,761) 1,975 (3,355) 2,465 (4,188) 2,960 (5,029) 3,900 (6,626)
Standard Motor Horsepower 1/2 1/2 3/4 1-Jan 1-Jan
BlowerSize(inches) 12x9 15x11 15x11 15x11 15x15
ApproximateNetWt-lbs(kg) 201 (91) 235 (107) 273 (124) 296 (134) 390 (177)
ApproximateShippingWt-lbs(kg) 343 (156) 385 (175) 431 (196) 454 (206) 561 (254)
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.
Form RZ-C-UH (Version H) Page 21
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