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INSTALLATION AND OPERATION INSTRUCTIONS
OWNER / INSTALLER: For your safety this manual must be carefully and thoroughly read and
understood before installing, operating or servicing this heater.
INFRARED RADIANT TUBE HEATER
Single Stage Pull Through System (Negative Pressure)
!INSTALLER: This manual is the property of the owner. Please present this manual to the
owner when you leave the job site.
▲WARNING: Improper installation, adjustment, alteration, service, or maintenance can
cause property damage, injury or death. Read the installation, operation and maintenance
instructions thoroughly before installing or servicing this equipment.
IF YOU SMELL GAS:
! ! ! ! DO NOT
DO NOT try to light any appliance.
DO NOT
DO NOT
! ! ! ! DO NOT
DO NOT
DO NOT
DO NOT touch any electrical switch; DO NOT
telephone in your building.
! ! ! ! IMMEDIATELY
IMMEDIATELY call your gas supplier from a neighbor's
IMMEDIATELY
IMMEDIATELY
telephone. Follow the gas supplier's instructions. If you
cannot reach your gas supplier, call the fire department.
!IMPORTANT: SAVE THIS MANUAL FOR FUTURE REFERENCE.
!IMPORTANT:
!IMPORTANT:
!IMPORTANT:
Post Office Box 36485 (28236) • 305 Doggett Street (28203) • Charlotte, North Carolina
Phone (704) 372-6391 • Fax (704) 332-5843 • www.spaceray.com • email: info@spaceray.com
Models:
LTU SERIES
LTU40 – (N5/L5)
LTU50 – (N5/L5)
LTU60 – (N5/L5)
LTU75 – (N5/L5)
FOR YOUR SAFETY
FOR YOUR SAFETY
FOR YOUR SAFETY
FOR YOUR SAFETY
DO NOT use any
DO NOT
DO NOT
SAVE THIS MANUAL FOR FUTURE REFERENCE.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
SAVE THIS MANUAL FOR FUTURE REFERENCE.
SPACE- - - - RAY
SPACE
SPACE
SPACE
RAY
RAY
RAY
DO NOT store or use gasoline or other
DO NOT
DO NOT
DO NOT
store or use gasoline or other
store or use gasoline or other
store or use gasoline or other
flammable vapors and liquids in the vicinity of
flammable vapors and liquids in the vicinity of
flammable vapors and liquids in the vicinity of
flammable vapors and liquids in the vicinity of
this or any other appliance.
this or any other appliance.
this or any other appliance.
this or any other appliance.
Form #42710000
May 2013
May 2013
May 2013
May 2013
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Table of Contents
Related Manuals for Space-Ray LTU40-N5
Summary of Contents for Space-Ray LTU40-N5
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Page 1: Installation And Operation Instructions
INSTALLATION AND OPERATION INSTRUCTIONS OWNER / INSTALLER: For your safety this manual must be carefully and thoroughly read and understood before installing, operating or servicing this heater. INFRARED RADIANT TUBE HEATER Single Stage Pull Through System (Negative Pressure) Models: LTU SERIES LTU40 –... -
Page 2: Table Of Contents
TABLE OF CONTENTS SECTION DESCRIPTION PAGE 1.0) Safety ..............................1 2.0) Installer Responsibility ........................1 3.0) General Information........................... 1 4.0) Minimum Clearances to Combustibles ................... 3 5.0) Specifications............................4 6.0) Packing List ............................4 6.1) Accessory Packages .......................... 5 7.0) Dimensions –... -
Page 3: Safety
1.0) SAFETY This heater is a self-contained infrared radiant tube heater. Safety information required during installation and operation of this heater is provided in this manual and the labels on the product. The installation, service and maintenance of this heater must be performed by a contractor qualified in the installation and service of gas fired heating equipment. - Page 4 8 feet. Although these heaters may be used in many applications other than space heating (e.g., process heating), Space-Ray will not recognize the warranty for any use other than space heating. For indoor installation only. Not fo For indoor installation only.
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Page 5: Minimum Clearances To Combustibles
4.0) MINIMUM CLEARANCES TO COMBUSTIBLES Install the warnings card (ordered separately) and complete the blank spaces using the clearances from combustibles table below. See Section 24 for a printed copy of the warnings card. Minimum clearances to combustibles shall be measured from the outer surfaces as shown in the following diagram: Horizontal 45°... -
Page 6: Specifications
13’ 12’ * MOUNT HEATERS AS HIGH AS POSSIBLE. Minimums are shown as a guideline for human comfort and uniform energy distribution for complete building heating applications. Consult your Space-Ray representative for the particulars of your installation requirements. Type Type... -
Page 7: Accessory Packages
6.1) ACCESSORY PACKAGES A. A. A. A. Exhaust Hood Package, Part #42924000 Exhaust Hood Package, Part #42924000 Exhaust Hood Package, Part #42924000 Exhaust Hood Package, Part #42924000 Contains: Exhaust Hood Assembly, #42925540……QTY–1 #8-18 x ½ Self-Drilling Screws, #02189030……QTY–2 7.0) DIMENSIONS – LTU(40-75)-30 SERIES Form #42710000 May 2013... -
Page 8: Heater Assembly Overview
8.0) HEATER ASSEMBLY OVERVIEW Form #42710000 May 2013... -
Page 9: Typical Suspension Methods
6. Heaters must not be supported by gas or electric supply lines and must be suspended from a permanent structure with adequate load capacity. Space-Ray recommends that the tube sections be suspended using chains with turnbuckles. This will allow slight adjustments after assembly and heater expansion/ contraction during operation. -
Page 10: Opening The 15' Body Package
10.0) OPENING THE 15’ BODY PACKAGE Follow the procedure below to open the 15’ body package. 1. Remove end reflectors from packaging. 2. Lift the tube at the flange end, the slide tube support/hanger bracket between marks on tubes and tighten the “U”... -
Page 11: Heater Assembly
10.1 HEATER ASSEMBLY During field assembly of the heater, the recommended procedure is as follows: 1. Put the suspension in place (according to Section 7.0) using proper suspension method (see Section 9.0). Trapeze Method Trapeze Method Individual Suspension Method Individual Suspension Method Trapeze Method Trapeze Method Individual Suspension Method... - Page 12 4. Place the flanges of the control end reflector flush with the end of the first reflector. Secure by sliding speed clips onto reflector edges. Evenly space 6 speed clips on sides and top of reflectors to provide a snug fit. Place foot end reflector on the opposite end of the reflector and secure as above.
- Page 13 7. Slip the plastic vacuum air tube over the 1/4” O.D. aluminum tube end of the draft inducer and the air switch probe in the control box. The air tube should be shortened to prevent a downward sag which could allow condensation build-up in the tube.
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Page 14: Gas Connections And Regulations
ANGLE MOUNTED HEATERS ONLY ANGLE MOUNTED HEATERS ONLY ANGLE MOUNTED HEATERS ONLY ANGLE MOUNTED HEATERS ONLY 11. The heater can be mounted horizontally or up to an angle of 45º maximum from horizontal. When the heater is to be angle mounted adjacent to a sidewall, make sure the draft inducer assembly is on the lower side of the heater so that the control box access panel is easily accessible. - Page 15 10. After all gas connections have been made, make sure the heater and all gas outlets are turned off before the main gas supply is turned on slowly main gas supply is turned on slowly. Turn the gas supply pressure on and check for leaks. To check for main gas supply is turned on slowly main gas supply is turned on slowly leaks, check by one of the methods listed in Appendix D of the National Fuel Gas Code.
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Page 16: Instructions For Pressure Test Gauge Connection
12.0) INSTRUCTIONS FOR PRESSURE TEST GAUGE CONNECTION SUPPLY PRESSU SUPPLY PRESSU SUPPLY PRESSU SUPPLY PRESSURE 1. The installer will provide a 1/8” N.P.T. tapped plug, accessible for test gauge connection immediately upstream of the gas supply connection to the heater. MANIFOLD PRESSURE MANIFOLD PRESSURE MANIFOLD PRESSURE... -
Page 17: Electrical Connections
13.0) ELECTRICAL CONNECTIONS ELECTRIC SHOCK HAZARD 1. All electric wiring shall conform to the latest edition of the National Electrical Code (ANSI/NFPA No. 70), or the code legally authorized in the locality where the installation is made. 2. The unit must be electrically grounded in accordance with the National Electrical Code (ANSI/NFPA No. 70-latest edition). - Page 18 INTERNAL CONNECTION WIRING DIAGRAM INTERNAL CONNECTION WIRING DIAGRAM INTERNAL CONNECTION WIRING DIAGRAM INTERNAL CONNECTION WIRING DIAGRAM — — — — Direct Spark Ignition Direct Spark Ignition Direct Spark Ignition Direct Spark Ignition Schéma de circuit de connexion Circuit d'origine Moteur Lampes témoins d'amorce Connexions client...
- Page 19 FIELD CONNECTION FIELD CONNECTION FIELD CONNECTION FIELD CONNECTION AND THERMOSTAT AND THERMOSTAT AND THERMOSTAT WIRING DIAGRAMS AND THERMOSTAT WIRING DIAGRAMS WIRING DIAGRAMS WIRING DIAGRAMS A. A. A. A. LINE VOLTAGE (120V) THERMOSTAT CONNECTIONS LINE VOLTAGE (120V) THERMOSTAT CONNECTIONS LINE VOLTAGE (120V) THERMOSTAT CONNECTIONS LINE VOLTAGE (120V) THERMOSTAT CONNECTIONS –...
- Page 20 Order 24V Relay Kit (Part No. 43274000) for Low Voltage (24V) thermostat connection. Order 24V Relay Kit (Part No. 43274000) for Low Voltage (24V) thermostat connection. Order 24V Relay Kit (Part No. 43274000) for Low Voltage (24V) thermostat connection. Order 24V Relay Kit (Part No. 43274000) for Low Voltage (24V) thermostat connection. NOTES: NOTES: NOTES:...
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Page 21: Venting
14.0) VENTING CARBON MONOXIDE HAZARD A. A. A. A. BASIC FLUE VENTING BASIC FLUE VENTING BASIC FLUE VENTING BASIC FLUE VENTING — Venting must comply with the latest edition of the National Fuel Gas Code (ANSI Z223.1-latest edition) or the authority having jurisdiction. Other venting references are in the equipment volume of the ASHRAE Handbook. - Page 22 SINGLE HE SINGLE HE SINGLE HE SINGLE HEATER VENTING ATER VENTING ATER VENTING ATER VENTING (HORIZONTAL THROUGH SIDEWALL) (HORIZONTAL THROUGH SIDEWALL) (HORIZONTAL THROUGH SIDEWALL) (HORIZONTAL THROUGH SIDEWALL) When venting the heater horizontally through a combustible outside sidewall, the same requirements listed previously for venting Vertical Through The Roof Vertical Through The Roof apply except as follows: Vertical Through The Roof...
- Page 23 MULTIPLE HEATE MULTIPLE HEATER VENTING R VENTING (CONNECTIONS INTO A COMMON VENT OR MANIFOLD) (CONNECTIONS INTO A COMMON VENT OR MANIFOLD) MULTIPLE HEATE MULTIPLE HEATE R VENTING R VENTING (CONNECTIONS INTO A COMMON VENT OR MANIFOLD) (CONNECTIONS INTO A COMMON VENT OR MANIFOLD) Requirements for venting of multiple heaters are the same as described for SINGLE HEATER VENTING SINGLE HEATER VENTING except as SINGLE HEATER VENTING...
- Page 24 Multiple Heater Horizontal Venting Arrangement Multiple Heater Venting (Connections into a Manifold) VENT SIZING TABLE — — — — Multiple Heater Venting VENT SIZING TABLE Multiple Heater Venting VENT SIZING TABLE VENT SIZING TABLE Multiple Heater Venting Multiple Heater Venting Number of Heaters Number of Heaters Number of Heaters...
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Page 25: Air For Combustion
B. B. B. B. INDIRECT VENTING INDIRECT VENTING (UNVENTED HEATERS) — This heater requires ventilation in the building to dilute the (UNVENTED HEATERS) INDIRECT VENTING INDIRECT VENTING (UNVENTED HEATERS) (UNVENTED HEATERS) products of combustion and provide fresh air for efficient combustion. Where unvented heaters are used, gravity or mechanical means shall be provided to supply and exhaust at least 4 CFM per 1,000 Btu/hr input of installed heaters. - Page 26 In m m m m ultiple heater applications ultiple heater applications, the combustion air intake may be ducted individually or common ducted in the ultiple heater applications ultiple heater applications same configuration as shown for venting in Section 14.0). For combustion air intake duct sizing, please refer to the Vent Siz Vent Sizing Table ing Table and use the diameter indicated, based on the number of heaters per duct.
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Page 27: Lighting And Shutdown Instructions
16.0) LIGHTING AND SHUTDOWN INSTRUCTIONS 1. Turn on the gas and electrical supply. Rotate the gas valve knob counter-clockwise to the “ON” position. 2. Set the thermostat to call for heat. The blower motor will energize. 3. Ignition should occur after the 30-second air pre-purge. 4. -
Page 28: Control Component Location
18.0) CONTROL COMPONENT LOCATION NOTE: NOTE: NOTE: NOTE: Access panel Access panel Access panel Access panel on on on only ly ly ly opens opens opens opens to to to to 90 90° ° ° ° ..Form #42710000 -26- May 2013... -
Page 29: Cleaning And Annual Maintenance
19.0) CLEANING AND ANNUAL MAINTENANCE ELECTRIC SHOCK & EXPLOSION HAZARD This heater must be cleaned and serviced annually by a qualified contractor before the start of each heating season and at any time excessive accumulation of dust and dirt is observed. Maximum heating efficiency and clean combustion will be maintained by keeping the heater clean. -
Page 30: Troubleshooting Guide
20.0) TROUBLESHOOTING GUIDE Form #42710000 -28- May 2013... - Page 31 Form #42710000 May 2013 -29-...
- Page 32 Form #42710000 -30- May 2013...
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Page 33: Replacing Parts
REPLACING PARTS ELECTRIC SHOCK & EXPLOSION HAZARD Only use genuine Space-Ray replacement parts. Parts are available from the factory for replacement by a licensed person. Refer to the Replacement Parts Guide in Section 23.0) for all replacement parts. 21.1) REMOVAL OF SPARK ELECTRODE 1. -
Page 34: Removing Main Burner And Gas Valve
21.2) REMOVING MAIN BURNER AND GAS VALVE The main burner can be inspected without removing the burner housing from the heat exchanger tube. 1. Disconnect electrical supply and gas connection at the restrainer nipple. 2. Open the access panel and disconnect the wires from gas valve. 3. -
Page 35: Ignition System Checks
21.4) IGNITION SYSTEM CHECKS TO CHECK TO CHECK TO CHECK TO CHECK IGNITION CABLE IGNITION CABLE IGNITION CABLE..IGNITION CABLE a. Make sure that the ignition cable does not touch any metal surface. b. Make sure that connections to the stud terminal and the igniter/sensor are clean and tight. Make sure that the ignition cable provides good electrical continuity. -
Page 36: Motor And Blower Wheel Check
21.5) MOTOR AND BLOWER WHEEL CHECK If draft inducer motor fails to run: a. Check power supply to junction box. b. Check for loose or broken motor lead wire. Check to see that blower wheel turns freely and is not rubbing housing. Blower wheel may have worked loose from shaft and jammed against housing. -
Page 37: Replacement Parts Guide
23.0) REPLACEMENT PARTS GUIDE DRAFT INDUCER COMPONENTS DRAFT INDUCER COMPONENTS DRAFT INDUCER COMPONENTS DRAFT INDUCER COMPONENTS Item No. Item No. Item No. Item No. Part No. Part No. Part No. Part No. Description Description Description Description Qty. Qty. Qty. Qty. 42737000 Draft Inducer Assembly 42928000... - Page 38 42710000 Installation and Operation Instructions (not shown) 43344050 Label, Gas Connector Warning 43344000 Label, Clearance to Combustibles 42848000 Label, Nameplate 42013000 Label, “Space-Ray” Logo 42922020 Label, Side Wall Venting 42834000 Label, 120V Caution 42875000 Label, Warning Form #42710000 -36- May 2013...
- Page 39 SIDEWALL VENTING ONLY UN MUR LATÉRAL AÉRATION WARNING ELECTRIC SHOCK HAZARD Schéma de circuit de connexion Circuit d'origine Moteur Lampes témoins d'amorce Connexions client d'aspiration Armoire de commande pressostat Robinet à gaz Écartement d'électrode 4,7Êmm Plaque à bornes ENGLISH FRANCAIS Haute tension Transformateur bobine primaire 120ÊV...
- Page 40 BODY COMPONENTS BODY COMPONENTS BODY COMPONENTS BODY COMPONENTS Item No. Item No. Part No. Part No. Description Description Item No. Item No. Part No. Part No. Description Description 02266010 Reflector Speed Clip 42769011 Reflector Clamp with screw (6 per heater) 42770000 “U”...
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Page 41: Warnings Card
24.0) WARNINGS CARD Copies of this card may be ordered at no charge under part no. 43344990 for installation near the heater. Read the Installation and Operating Instructions thoroughly before installation, operation or service. WARNING FIRE HAZARD Maintain the following clearances: _____ to the side, _____ above and _____below the heater from combustible materials.