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WARNING!
Read all important information notices on pages 2–4
This manual covers the installation, maintenance, repair and replacement parts.
APPROVED LOCATIONS
The Electric Forced Air Heaters are
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.
Part No. 12212.Rev.1.03
C
US
Listed
Owner's Manual
FX5 SD Series
Electric Forced Air Heaters for Hazardous Locations
UL
listed
c
us
and VacuCore ® are registered trademarks of Thermon Heating Systems Inc.
™
Ruffneck
Copyright © 2018. All rights reserved.
FX
5 - SD -
480
MODEL
SEVERE
HEATER
SERIES
DUTY
VOLTAGE
208V
240V
480V
600V
5th GENERATION
August 2018
MODEL CODING
3
60 -
350
-
W
HERTZ
WELDED
PHASE
HEATER
KILOWATTS
CORE
1
50
÷ 10
3
60
Printed in Canada
ISO 9001
T, D, H,C, A, B
OPTIONS
T - Built-in thermostat
D - Built-in disconnect
switch
H - High Temperature
"OFF"
C - Heresite ® coating
A - Stainless-steel
cabinet
B - -50°C (-58°F)
Ambient
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Table of Contents
Related Manuals for Ruffneck FX5-SD-220150-025
Summary of Contents for Ruffneck FX5-SD-220150-025
- Page 1 Canadian Electrical Code, Part 1, Section 18 or National Electrical Code articles 500-516. Part No. 12212.Rev.1.03 August 2018 Printed in Canada and VacuCore ® are registered trademarks of Thermon Heating Systems Inc. Listed ™ Ruffneck Copyright © 2018. All rights reserved.
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Page 2: H E A T E R M A I N T E N A N C E C H E C K L I S T
H E A T E R M A I N T E N A N C E C H E C K L I S T Photocopy this page For Electric Forced Air Heaters for reuse. Heater Model: _________________________ Serial No.: ___________________________ Date of Maintenance: ___________________ Maintenance Done By: _________________ Comments: _________________________________________________________________... - Page 3 Photocopy PERIODIC (before and as required during heating season) this page for reuse. � � 1. CLEAN 2. CHECK Finned Tubes Motor for smooth, quiet operation � � Louvers for proper angle and tightness � � Fan Guard All explosion-proof covers for tightness �...
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Page 4: Important Notices
I M P O R T A N T N O T I C E S WARNING Read and adhere to the following. Failure to do so may result in severe or fatal injury. WARRANTY WILL BE VOID Read and follow all instructions in this manual. 10. -
Page 5: Troubleshooting Tips
T R O U B L E S H O O T I N G T I P S Heater is not operating 1.1 Check all fuses in heater control box. 1.2 Check remote disconnect switch and circuit breaker. 1.3 Check voltage supplied to the heater – refer to the heater data plate for voltage requirements. 1.4 Check thermostat by turning it and check continuity with a multimeter. - Page 6 M O U N T I N G Maximum Tilt (Either Direction) 1.0" 0.5" The heater must be permanently mounted in a level, (25.4 mm) (12.7 mm) upright position for operation. See Figures 3, 4, and 5 for maximum tilt angles, installation clearances, and physical dimensions.
- Page 7 3. Heater may be supplied with a factory installed built-in integral Rear View of Heater disconnect. (See Figure 7B) Control enclosure 1“ NPT opening Field Wiring for Integral Disconnect: and cover for field wiring a. Power Supply conductors and Ground conductor pass through Air exits through louvers.
- Page 9 F X 5 - S D T E C H N I C A L D A T A F O R 5 0 H Z E L E C T R I C H E A T E R S Temperature Model Rise (CFM) (kW) (AWG) °C °F FX5-SD-220150-025 2270 11.4 14.3 11.0 19.8 3619 FX5-SD-220150-042 3950 19.1 23.9...
- Page 10 F X 5 - S D T E C H N I C A L D A T A F O R 6 0 H Z E L E C T R I C H E A T E R S Temperature Model Rise...
- Page 11 S P E C I F I C A T I O N S F O R A L L 5 0 H Z M O D E L Nominal kW 3.7 & 4.6 6.3 & 7.5 12.5 & 12.6 14.9 & 16.7 20.9 22.4 Max.
- Page 12 SPECIFICATIONS FOR ALL 60 HZ MODEL Nominal kW Max. Altitude (ft.) 12,000 8,000 10,000 7,000 10,000 7,000 10,000 7,000 6,000 3,658 2,438 3,048 2,134 3,048 2,134 3,048 2,134 1,829 (m 3 /hr.) Air Flow @ 21°C 1444 2973 6116 @ 70°F (CFM) 1750 3600...
- Page 13 H E A T E R A S S E M B L Y D I A G R A M control enclosure assembly diagram (below) Optional built-in thermostat replaces item #17 CONTROL ENCLOSURE HIGH LIMIT ASSEMBLY DIAGRAM ASSEMBLY DIAGRAM control enclosure assembly diagram (below)
- Page 14 P A R T S L I S T F O R C E D A I R E L E C T R I C H E A T E R S Please have model and serial number available be- PART NU MB ER S fore calling ITEM...
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Page 15: Repair And Replacement
Conduit #2 Conduit #1 face of coupling) C O R E The heater core is vacuum charged and not field repairable on Ruffneck FIGURE 10 SD units. For questions of concerns regarding the replacement, please contact Thermon Heating Systems Inc.. -
Page 16: Heating Elements
F U S E Replace fuse with one of the same type and rating as indicated on P.C. Board or refer to parts list. An extra fuse should be stored in the clips marked “SPARE”. H E A T I N G E L E M E N T S 1/16”... - Page 17 NOTES...
- Page 18 NOTES...
- Page 19 NOTES...
- Page 20 PLEASE ADHERE TO INSTRUCTIONS IN THIS MANUAL Failure to do so may be dangerous and may void certain provisions of your warranty. For further assistance, please call 24hr hotline: 1-800.661-8529 (U.S.A. and Canada) Please have model and serial numbers available before calling. WARRANTY No warranty applies to paint fi nishes except for manufacturing defects Under normal use the Company warrants to...
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