CCI Thermal Technologies FX5 - Explosion-Proof Electric Air Unit Heater User Manual
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S P E C I F I C AT I O N S F O R A L L 5 0 H Z M O D E L
*Some units may be Class I, Groups C and D. Please check with factory for clarification
Nominal kW
2.5 3.7 & 4.6 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 @ 70°F (CFM)
400
700
1450
3000
@ 21°C (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
Motor Power
(HP)
1/2
1/2
1/2
(min)
(kW)
0.373
0.373
0.373
Fan Diameter
(in.)
12
16
20
(mm)
305
406
508
Net without
(lbs.)
140
168
201
Weight DS5
(kg)
63.5
76.2
91.2
with
(lbs.)
152
180
213
DS5
(kg)
78.9
91.6
96.6
Shipping without
(lbs.)
194
218
252
Weight DS5
(kg)
88
98.9
114.3
with
(lbs.)
206
230
264
DS5
(kg)
93.4
104.3
119.7
Hazardous Location Rating
Class I, Groups C and D; Class II, Groups E, F and G;
Temperature Code T3B [329°F (165°C)]*
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.1725 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
Four 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 0.128 amps
Control Circuit
120 Volts, 0.128 amps, 15VA. (Grounded)
Optional Built-in Thermostat
Explosion-proof. 36°F to 82°F (2°C to 28°C)
Optional Built-in Disconnect Switch
DS5 for use only on heaters with total current not exceeding 48-Amps
Lockout handle accepts 1/4” diameter padlock shackle
Optional Three Way Switch
Fan only, Off, Auto
Optional Pilot Light
Indicates heat-on cycle
Control Transformer
Multi-tap primary, 120 V secondary, 50 VA
Contactor
60 or 80 amps. Rated for 1,000,000 mechanical operations. 120 Volts, 15VA coil
(separately fuse-protected)
Heat Transfer Fluid
Long life formulated propylene glycol and water
Cabinet Material
14 ga. (0.075 in.) (1.90 mm) 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 in. (3.1 mm) steel
Overpressure Protection
Preset 100 psig (690 kPa) pressure relief valve, aluminum body, no field serviceable parts
Operational Temperature Limitations
-4°F to 104°F (-20°C to 40°C)
Storage Limitations
-49°F to 176°F (-45°C to 80°C), short term to 248°F (120°C). Do not immerse in water
Do not expose to rain or snow.