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SPEciFicATiOnS FOR ALL 50 HZ MODELS
nominal kW
2.5
3.7 & 4.2
6.3 & 7.5
8.4
12.5 & 12.6 14.9 & 16.7
20.9
22.4
Max. Altitude
(ft.)
12,000
8,000
10,000
7,000
10,000
7,000
10,000
7,000
(m)
3,658
2,438
3,048
2,134
3,048
2,134
3,048
2,134
Air Flow @ 70oF
(cFM)
400
700
1450
3000
@ 21oc
(m3/hr.)
679
1189
2463
5096
Horizontal Air Throw
(ft.)
13
25
35
60
(m)
4.0
7.6
10.7
18.2
Max. Mounting Height (ft.)
7
10
10
20
(to underside)
(m)
2.1
3.0
3.0
6.1
Fan Diameter
(in.)
12
16
20
(mm)
305
406
508
net Weight
(lbs.)
111
133
154
(kg)
50
61
70
Shipping Weight
(lbs.)
151
173
204
(kg)
69
79
93
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 in. (15.875 mm) bore.
Fan guard
Split design with close wire spacing. 1/4 in. (6.3 mm) dia. probe will not enter.
Mounting Holes
Two 9/16 in. (14.3 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 0.130 amps.
control circuit
115 Volts, 0.130 amps, 15VA. (grounded)
Optional Built-in Thermostat
Explosion-proof. 36oF to 82oF (2oc to 28oc)
control Transformer
Multi-tap primary, 115 V secondary, 25 VA.
contactor
40 or 75 amp. Rated for 500,000 mechanical operations. 120 Volts, 15VA
coil (separately fuse-protected).
Heat Transfer Fluid
Long life formulated ethylene glycol and water, freeze protected to -49oF (-
45oc).
cabinet Material
14 ga. (0.075 in.) (1.90 mm) steel. Epoxy coated with five-stage pretreatment,
including iron phosphate.
core
Steel with integral aluminum fins, vacuum charged and hermetically sealed.
conduit Material
Heavy walled, 0.122 in. (3.1 mm) steel, cadmium plated.
Overpressure Protection
Preset 100 psig (690 kPa) seep pressure relief valve, aluminum body,
no field serviceable parts.
Temperature code Rating
T3B 165oc (329oF) class i & ii.
Temperature Limitations
-49oF to 104oF (-45oc to 40oc).
Storage Limitations
-49oF to 176oF (-45oc to 80oc), short term to 248oF (120oc). Do not store
or
use in areas exposed to rain or snow. Do not immerse in water.
