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Series LA/LX/LXR Infrared Heater 

Installation, Operation and Service Instructions 

 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 

 
 
 
 
 
 

 

Installer 

Read and thoroughly understand these instructions before attempting any installation. 

Owner 

Retain this manual for reference. 

 
 

 

Improper installation, adjustment, alteration, service or maintenance can cause injury, death or property 

damage. Read the installation, operation and service instructions thoroughly before installing or 

servicing this equipment. 

 

 

 

 
 

 
 
 
 

Superior Radiant Products 

23-428 Millen Road, Stoney Creek, Ontario L8E 3N9 

www.superiorradiant.com

If you smell gas: 
1. Open windows 
2. Don’t touch electrical switches 
3. Extinguish any open flame 
4. Immediately call your gas supplier

 

 
Il est interdit d‘utiliser des liquides 
inflammables ou degageant des 
vapeurs inflammables, a proximites de 
tout appareil fonctionnent au gaz. 

Si vous sentez une odeur de gaz: 
1. Ouvrez les fenetres 
2. Ne touchez pas aux interupteurs 
    electriques 
3. Eteignez tout flamme nue 
4. Contactez immediatment votre 
    fournisseur de gaz 

 

 

Do not store or use gasoline or other 
flammable vapors and liquids in the 
vicinity of this or any other appliance. 

FOR YOUR SAFETY 

FOR YOUR SAFETY 

CONSIGNES DE SECURITE

CONSIGNES DE SECURITE 

WARNING 

Summary of Contents for LA series

Page 1: ...reek Ontario L8E 3N9 www superiorradiant com If you smell gas 1 Open windows 2 Don t touch electrical switches 3 Extinguish any open flame 4 Immediately call your gas supplier Il est interdit d utilis...

Page 2: ...ON FIRE OR EXPLOSION HAZARD This heater is equipped with an automatic ignition device Do not attempt to light the burner by hand Failure to comply could result in a serious fire and personal injury ha...

Page 3: ...STIBLES 6 Clearance to Combustibles Materials 7 INSTALLATION DETAIL 8 Installation Sequence 11 VENTING COMBUSTION AIR DUCTING 20 General Requirements 20 Un Vented Operation 20 Vented Operation 21 Hori...

Page 4: ...expertise in a cost effective unitary heater design as culmination of that commitment Series LA LX LXR models are field assembled low intensity infrared heaters that are easy to install and maintain a...

Page 5: ...th all local requirements Venting Refer to the National Fuel Gas Code ANSI Z223 1 NFPA 54 in the US and CAN CGA B149 1 and B149 2 Installation Codes in Canada for proper location sizing and installati...

Page 6: ...nsional Information Figure 2 Component Dimensional Information 14 44 12 12 9 15 16 6 10 4 10 24 18 U BEND 24 18 ELBOW 16 WHEN INSTALLING ORIENT BAND CLAMP LOCK BOLTS TO TOP AT 10 O CLOCK OR 2 O CLOCK...

Page 7: ...ction of Baffle See Figure 5 for installation details In the case of a 100 000 BTU system place 4 sections of baffle in the end of each of the last 3 10 sections of tube See Figure 6 for installation...

Page 8: ...ension shields standard U tube mounting and opposite 45 U tube reflector mounting Bottom shields are also approved The below clearance dimension for the horizontal configuration dimension C in Table 2...

Page 9: ...8 3 3 18 18 3 3 18 18 4 3 20 20 One Side Extension D A C B A B C D 2 2 35 6 2 2 35 6 2 2 35 6 2 3 36 6 Two Side Extension D A B C A B C D 2 2 38 2 2 2 38 2 2 2 38 2 2 3 38 3 U Tube Horizontal D A B C...

Page 10: ...relationship Figure 4 Installation Configurations for 40 000 60 000 BTUH Model LA LX LXR 60 000 BTU 30 Long For 40 and 50 Heaters follow the same sequence The 12 baffle is Installed in the last sectio...

Page 11: ...or End Cap Loose Screws Install J Bolt at first hanger Tube Flange Gasket 3 Burner Assembly Reflector Overlap Approx 8 Fasten Endcap with Screws Loose Screws Tight Screws LA LX LXR 80 000 BTU 40 Long...

Page 12: ...be Flange Gasket 3 Combustion Non Heat Treated Silver Color Tube Tight Screws Burner Assembly Reflector Overlap Approx 4 to 8 Fasten End cap with Screws Loose Screws Tight Screws Loose Screws Loose Sc...

Page 13: ...inder of the heat exchanger At no time should hangers be more than 12 feet apart Always use all the hangars supplied As a rule the combustion tube first tube utilizes 2 hangers and there after 1 hange...

Page 14: ...nded S hooks and turnbuckles to avoid unhooking chain with inadvertent contact Figure 9 8 9 Tube Reflector Hangers Combustion Tube Reflector Support Coupling Should Be Loosely Fitted Locate Tube and R...

Page 15: ...er box to snugly hold the combustion tube from rotating Figure 10 Note For all coupling joints ensure that the tube joint is in the center of the coupling length and that the overlap joint of the coup...

Page 16: ...heater assembly Ensure heat exchanger sections line up straight Couplings should be tightened as heat exchanger is placed since it is more difficult to do so once the reflector is in position Reflect...

Page 17: ...m movement If required for your heater model refer to Table 1 install the baffle at the end of the heat exchanger The small tab on the baffle is folded over the end of the tube and clamped in place by...

Page 18: ...tors see figure 15 and refer to Clearance to Combustibles information Figure 16 90 Elbow and U Tube Assembly Detail Elbows or U Tubes must be located not less than 20 feet from the burner in LA LX LXR...

Page 19: ...ector with 8 x 3 8 inch screws Use three side shield brackets per side shield Space about 48 inches apart Assemble Corner Bracket to Mitered Reflectors as shown Installation of Mitered Reflector Secti...

Page 20: ...x 3 8 screws Support Bracket Tubing Section Installation of Side Reflector Overlaps Reflector Side Reflector Retainer Bracket Screws to be installed from inside of side reflector Install screws on on...

Page 21: ...hield and held by Screws from outside Installation of Deco Grille Mounted Directly to Heater Notch Deco Grille Support for Hangers and Supports Deco Grille End Angle Fastened to Deco Grille Supports a...

Page 22: ...Optional outside air supply may be directed to the heater horizontally or vertically Important Maximum total vent length allowed for any model heater is 30 feet Maximum total fresh air inlet duct len...

Page 23: ...iple heaters venting through a common roof vent are defined in the appropriate gas installation code Refer to common venting section below Use of an approved thimble to pass through combustible roof m...

Page 24: ...sure simultaneous operation Common Horizontal Venting Figure 26 INCREASE TO DETERMINED B VENT SIZE 6 VENT TERMINAL P N CT044 NOTES FOR HORIZONTAL VENTING 1 USE 4 SINGLE WALL VENT WITH HEATERS OF COMBI...

Page 25: ...er to allow for some thermal expansion of the heater this short piece should be in a linear position and should not have a length longer than 24 inches Outdoor Installation LXR Models Only When a heat...

Page 26: ...that high pressure testing of the system has been completed Failure to do so may expose the burner components to damaging high pressure requiring replacement of key components Flexible gas connectors...

Page 27: ...r to Figure 29 for guidance on electrical wiring of heaters If any of the original wire as supplied with the heater must be replaced it must be replaced with wiring having a rating of at least 105 C t...

Page 28: ...This allows the products of combustion to be removed from the heat exchanger to avoid nuisance condensation and increase heat exchanger life When using a line voltage thermostat and the heat requireme...

Page 29: ...s closed Gas pressure downstream of gas control can be measured by connecting a manometer to pressure tap on control If the valve is closed either the gas valve or the ignition module is faulty Burner...

Page 30: ...If Damaged Is Gas Present At Valve Is Gas Pressure Sufficient Rectify As Required YES Unplug Motor Does Motor Impeller Spin Freely Replace Ignition Control Module Rectify As Required Is Pressure Switc...

Page 31: ...P P N LG004 SPARK ELECTRODE P N LE001 IGNITION LEAD P N CE006 LA LX INDICATOR LIGHT NOT SHOWN YELLOW P N CE057 ROUND GAS VALVE HONEYWELL P N CG003 NAT HONEYWELL P N CG010 LP IGNITION MODULE P N CE015...

Page 32: ...Series LA LX LXR Page 30 6 15 2010 Notes...

Page 33: ...chase In no event shall the Manufacturer be liable for incidental expense or consequential damages of any kind This warranty does not cover any shipping installation or other costs incurred in the rep...

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