General Description & Diffuser Information

CONSTRUCTION:

• 16 Gauge steel cabinet with epoxy powder coated finish and control compartment with a hinged and latched access door.

• OSHA guards standard with all models.

HEATING ELEMENT:

• Corrosion resistant element with steel sheath and steel spiral fins

OVERHEAT PROTECTION:

• All units come equipped with manual reset limit controls to de-energize the heater should an over-temperature situation occur.

FAN and MOTOR:

• Totally enclosed, 1 speed, 1 phase permanently lubricated, thermally protected motors with unit bearings on 3KW - 20KW models. Totally enclosed, 2 speed, 1 phase permanently lubricated, thermally protected motors with sleeve bearings on 24KW - 50KW models.

• Axial flow fan blade - 1570 RPM max

• All models equipped with fan purge which allows fan to operate after elements are de-energized to purge residual heat.

TEMPERATURE CONTROLS:

• 208V, 240V, 277V and 480V units have In-Built 24 Volt transformer for low voltage remote thermostat application.

• 600V units have In-Built 240V control on 5-20 KW models, 25-50 KW models have 24V control.

• 25 KW - 50 KW models may operate as 2 stage heaters if 2 stage remote thermostat is used.

DISCONNECT SWITCH:

• All models equipped with In-Built disconnect except F3F2640, F3F2650 and H3H2650.

INSTALLATION:

• Unit can be mounted using optional mounting bracket or field constructed angle iron bracket

• Not recommended for mounting with threaded rod or chain.