Ruffneck FX5 Explosion Proof Electric Air Heater

NOTE: THIS ITEM IS MADE TO ORDER AND NOT RETURNABLE.

Temperature Code T3B [329°F (165°C)]

The Ruffneck™ FX5 Explosion-Proof Electric Air Unit Heater is designed for the harshest industrial environments and intended for dry indoor industrial applications such as oil refineries, petrochemical plants, pulp and paper mills, grain elevators, hazardous waste storage facilities, wastewater treatment plants. This heater is ideal anywhere that specific explosive gases or dusts may be present.

Suitable for the following Hazardous Location Classifications:
Class I, Division 1 & 2, Groups C & D
Class II, Division 1, Groups E, F & G
Class II, Division 2, Groups F & G
Class I, Zones 1 & 2, Groups IIA & IIB

Features

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" (15.875 mm) bore

Fan Guard Split design with close wire spacing. 1/4" (6.3 mm) diameter probe will not enter

Mounting Holes Two 9/16". (14.3 mm) diameter holes at top

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, 15 VA. (Grounded)

Slim Junction Box 10.25" (230 mm) x 8.00" (180 mm) x 6.75" (172 mm)

Cabinet Material 12-gauge (0.104") (2.60 mm) steel. Epoxy coated with five-stage pretreatment, including iron phosphate. Optional stainless steel.

Heat Transfer Fluid Long life formulated propylene glycol and water

Contactor 75 amps. Rated for 1,000,000 mechanical operations. 120V, 15 VA coil (separately fuse-protected)

Control Transformer Multi-tap primary, 120V secondary, 50 VA

Overpressure Protection Preset 100 psig (690 kPa) pressure relief valve, aluminum body, no field serviceable parts

Operational Temperature Limitations -4ºF to 104ºF (-20ºC to 40ºC); for “B” units -58ºF to 104ºF (-50ºC to 40ºC)

Conduit Material Heavy walled, 0.122" (3.1 mm) Steel

Core Steel with integral aluminum fins, vacuum charged and hermetically sealed

Storage Limitations -58°F to 176°F (-50°C to 80°C), short term to 248°F (120°C). Do not immerse in water. Do not expose to rain or snow

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

50 Hz Models Available. Please Call For Assistance.

Model No.:: FX5 -600360 -250

Voltage:: 600

Warehouse:: Various Warehouses

Type:: Heaters

Amps:: 24.8

Blade Material:: Aluminum

BTU High:: 85300

CFM High:: 3600

Construction:: Steel

Hertz:: 60

Kilowatts:: 25.0

Limited Warranty:: 1 Year Limited

Phase:: 3

Temperature Rise F:: 45.2

Watts High:: 24200

Weight lbs.:: 212

Notice: Manufacturer's products features and specifications are subject to change without notice.

California Residents: warning

WARNING- This product may contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. For more information, please visit www.P65Warnings.ca.gov.

Troubleshooting Guide

Owners Manual

Heater Drawing