User Manual

13
SPECIFICATIONS FOR ALL 50 HZ MODEL
Nominal kW 2.5 3.7 6.3 8.4 12.5 14.9 20.9 22.4
to 3.0 to 5.0 to 7.5 to 10 to 13.9 to 20 to 21 to 23.1
Max. Altitude (m) 3,658 2,438 3,048 2,134 3,048 2,134 3,048 2,134
(ft.) 12,000 8,000 10,000 7,000 10,000 7,000 10,000 7,000
Air Flow @ 21°C (m
3
/hr) 679 1189 2463 5096
@ 70°F (CFM) 400 700 1450 3000
Horizontal Air Throw (m) 4.0 7.6 10.7 18.2
(ft) 13 25 35 60
Max. Mounting Height (m) 2.1 3.0 3.0 6.1
(to underside) (ft) 7 10 10 20
Motor Power (hp) 1/4 1/2 1/2
(min) (kW) 0.373 0.373 0.373
Motor Speed (RPM) 1425 1425 1425
Fan Diameter (mm) 305 406 508
(in) 12 16 20
Net Weight (kg) 68.9 81.6 91.2
(lbs) 140 168 201
Shipping Weight (kg) 88.0 98.9 114.3
(lbs) 194 218 252
Temperature Code Rating T3 (200°C / 392°F)
Enclosures NEMA Type 7 & 9. For dry, indoor use only. Do not immerse in water. Do not store or use
in areas exposed to rain or snow.
Motor Type Explosion-proof. Thermally protected. Permanently lubricated ball bearings. 1425 RPM
Fan Aluminum blade. Steel spider and hub with 5/8" (15.875 mm) bore.
Fan Guard Split design with close wire spacing. 1/4" (6.3 mm) dia. probe will not enter.
Mounting Holes Four 5/8" (15.9 mm) diameter holes at top of heater.
Heating Elements Three long-life, low watt-density, high grade metal-sheathed elements.
Temperature High-Limit Automatic reset type, snap-action bimetal, open on temperature rise. Rated 100,000 cycles
at 10 amps, handles 0.128 amps.
Control Circuit 120V, 0.128 amps, 15VA. (Grounded)
Optional Built-in Thermostat Explosion-proof. 2 ° C to 28 ° C (36° F to 82 ° F)
Control Transformer Multi-tap primary, 120V secondary, 50VA.
Contactor 60 or 80 amp. Rated for 1,000,000 mechanical operations. 120V, 15VA coil (separately
fuse-protected).
Heat Transfer Fluid Long-life formulated propylene glycol and water
Cabinet Material 14 gauge (1.90 mm) (0.075") steel. Epoxy coated with five-stage pretreatment, including iron
phosphate. Optional stainless steel.
Core Steel with integral aluminum fins, vacuum charged and hermetically sealed.
Conduit Material Heavy walled, 0.122" (3.1 mm) steel.
Overpressure Protection Preset 100 psig (690 kPa) pressure relief valve, aluminum body, no field
serviceable parts.
Operational Temperature Limitations -20°C to 40°C (-4°F to 104°F)
Storage Limitations -45°C to 80°C (-49°F to 176°F), short term to 120°C (248°F). Do not immerse in water.
Do not exposed to rain or snow.