Electric Heat Brochure
Page 8
Explosion-Resistant
Unit Heater
Color
• Standard: red.
Finish
• Standard: epoxy/polyester powder paint.
Voltage
• 208V, 240V, 480V, 600V, 1 or 3-phase.
Construction
• 14-gauge steel cabinet.
• Adjustable anodized aluminum louvers.
• Cast aluminum control and element enclosure lids NEMA Type 7
and 9 with O-ring.
1
• Fan Guard: multiple horizontal stiffening wires.
2
Protection
• High temperature pressure relief device.
3
• Two high-limit temperature controls: one with automatic
reset and one with manual reset.
Fan
• Explosion-resistant, thermally protected, permanently lubricated
ball bearing motor.
4
• 3 to 20kW: 1/4 HP, 1725 rpm.
• 25 to 35kW: 1/2 HP, 1725 rpm.
Temperature code
• Division System: 5 - 30kW: T3B 165 °C (329 °F).
3/35kW: T3A 180 °C (356 °F).
• Zone System: T3 200 °C (392 °F).
Heat exchanger
• High grade metal-sheathed elements fins
with ethylene glycol/water solution.
• Long-life, low watt density.
• Evacuated and sealed, carbon steel tube core
with 10 aluminum fins per inch.
Control
• 120V control (standard).
5
• Optional 24V control.
• Optional built-in or wall thermostat.
• Optional disconnect switch.
Installation
• Accessories available.
Warranty
• 3-year warranty against defects.
Application
• Paint room, petrochemical plant, refinery, chemical plant,
mining industry, sawmill.
Consult the Electrical Code in your area before installing this unit.
Features
12345
Front view
with built-in
thermostat
Rear view with built-in
thermostat and
disconnect switch
CK26
Basic Mounting Bracket
Suitable for applications where
the support arm can be bolted or
welded directly to structural steel
or concrete.
CK27
Wall Mounting Bracket
For use in buildings that have
substantial walls. The Z sections
provide additional support
where necessary.
CK25
Hanging Mounting Bracket
Ideal and economical if adequate
overhead structure exists. Requires
1/2
in. (12.5 mm) pipe, cut and
threaded (min. Sch. 40)
not supplied.
CK20
Pipe Mounting Bracket
For buildings with insucient
strengthto use other types of
mounting brackets. Requires
3 in. (75 mm) pipe (3
1/2
in. [87.5 mm]
O.D., min. Sch. 40) not supplied.
EXUB