Ruffneck FX4 Series User Manual

FX 4 - 480 3 60 - 350
KILOWATT RATING
HERTZ
PHASE
VOLTAGE
4th GENERATION
MODEL SERIES
MODEL CODING
Approved Locations
The Electric Forced Air Heaters are UL listed and/or CSA certified for the following locations:
Class I, Divisions 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; Temperature Code T3B 165˚C (329˚F)
(50 Hz & 60 Hz Models)
For details of hazardous locations with potential for explosion, refer to the Canadian Electrical Code,
Part 1, Section 18 or National Electrical Code articles 500-516.
®
WARNING! Read all important information notices.
Ruffneck™ and VacuCore
®
are registered trademarks of Thermon Heating Systems Inc.
Copyright
©
2018. All rights reserved.
Part No.5031.Rev.15.06 August 2018 Printed in Canada
ISO 9001
FX4 Series
Electric Forced Air Heaters for Hazardous Locations
Installation, Operation, & Maintenance Instructions

Ruffneck FX4 Series Specifications

General

Brand	Ruffneck
Model	FX4 Series
Category	Heater
Language	English

Summary

HEATER MAINTENANCE CHECKLIST

PERIODIC (before and as required during heating season)

Maintenance tasks to perform periodically during the heating season.

ANNUAL (before heating season)

Annual maintenance tasks for electrical and mechanical components.

IMPORTANT NOTICES

INSTALLATION

LOCATION

Recommended placement and positioning for optimal heating performance.

MOUNTING

Guidelines for securely mounting the heater in its operational position.

ELECTRICAL

Electrical connection and wiring procedures for the heater.

FIELD WIRING

Instructions for wiring field-connected components and conduit.

FINAL INSPECTION

Pre-power checks to ensure safe and correct operation.

WIRING DIAGRAMS

SPECIFICATIONS FOR ALL 60 Hz MODEL

SPECIFICATIONS FOR ALL 50 Hz MODEL

HEATER ASSEMBLY DIAGRAM

PARTS LIST

REPAIR & REPLACEMENT

CORE

Procedures for removing and handling the heater core.

TEMPERATURE HIGH-LIMIT

Steps for replacing the temperature high-limit assembly.

MOTOR, FAN & FAN GUARD

Maintenance or replacement of motor, fan, and fan guard.

PRINTED CIRCUIT BOARD

Instructions for replacing the printed circuit board.

CONTACTOR

Guidance on replacing the contactor component.

TRANSFORMER

Steps for replacing the transformer.

FUSE

Information on fuse replacement procedures.

HEATING ELEMENTS

Details on heating element replacement procedures.

CABINET PANELS

Procedures for replacing cabinet panels.

WARRANTY

LIABILITY