Superior Radiant LTA Series Installation & Operation Manual Download Page 35

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Series

LTA/LTX/LTXR

Page

35 Nov./21/12

Electrical Wiring

LTXR Models only

The following wiring diagram is for LTXR models ONLY.

Black

BURNER

Pink

IGNITER

SENSOR

SWITCH

BLOWER

Orange

Red

AIR

Brown

Yellow

24V

120L

IND

Brown

rple

Blue

120V

24V

Red

Bla

Yellow

Green

Channel Module 53X-24

S VALVE

Low Fire

Lamp

Yellow

own

Blue

STAT

Green

Yellow

Hi Fire

Lamp

24V Thermostat is

Mounted Externally

Note: The post purge feature is not
utilized with the thermostat wired on the

120 VAC circuit. This option only works

if the heater is wired with the thermostat
on the 24 VAC circuit above.

Summary of Contents for LTA Series

Page 1: ...L8E 3N9 www superiorradiant com WARNING FOR YOUR SAFETY If you smell gas 1 Open windows 2 Don t touch electrical switches 3 Extinguish any open flame 4 Immediately call your gas supplier FOR YOUR SAF...

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: ...TO COMBUSTIBLES 9 INSTALLATION 11 INSTALLATION SEQUENCE 11 VENTING COMBUSTION AIR DUCTING 28 GENERAL REQUIREMENTS 28 UN VENTED OPERATION 28 VENTED OPERATION 29 Horizontal Venting 29 Vertical Venting 2...

Page 4: ...on of that commitment Series LTA LTX LTXR models are field assembled low intensity infrared heaters that are easy to install and maintain and which were engineered with significant input from our cust...

Page 5: ...supply meter to allow checking of system gas pressure Electrical All heaters must be electrically grounded in accordance with the National Electric Code ANSI NFPA 70 in the US and the Canadian Electri...

Page 6: ...m Maximum 11 5 W C 14 0 W C Manifold Pressure Natural Gas 3 5 W C 2 4 W C High Rate Low Rate Propane Gas 10 5 W C 6 2 W C Inlet Connection Natural Gas or Propane 1 2 female NPT Electric Supply 120 VAC...

Page 7: ...nsional Information Figure 2 Component Dimensional Information 14 36 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 8: ...nless steel Insert May be factory installed CHECK FOR ORIENTAION To further improve heat distribution along the length of the heater two stainless inserts may be installed at factory check for correct...

Page 9: ...ed surfaces and other materials which may be damaged by radiant or convective heat Combustible materials are considered to be wood compressed paper plant fibres plastics Plexiglas or other materials c...

Page 10: ...45 Reflector Tilt D A B C A B C D 3 3 18 18 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...

Page 11: ...ir general relationship Figure 4 Installation Configurations for 40 000 60 000 BTU Models LTA LTX LTXR 60 000 BTU 30 Long For 40 and 50 Heaters follow the same sequence The 12 baffle is Installed in t...

Page 12: ...nd 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 LTA LTX LTXR 80 000 BTU 40 Long F...

Page 13: ...lange 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 Screws...

Page 14: ...ed suspension points in the structure It is required that the first 2 hangers be about 8 feet to 9 feet away Thereafter 10 feet apart on average is acceptable for the remainder of the heat exchanger A...

Page 15: ...e in the first two hangers Figure 10 Be sure the flange is toward the intended burner location The other end of the tube should have the first coupling already loosely fitted Concrete Beam Turnbuckle...

Page 16: ...re 10 for more details Figure 10 Installation of First section of Flanged Tube For all remaining tubes fit the end of the tube with a coupling refer to Figure 11 the coupling should be loose Figure 11...

Page 17: ...her may result in an undesirable wrinkle in the liner refer to Figure 12 Be sure not to over torque the coupling Torque coupling to 15 25 lbf ft Figure 12 J Bolt and Coupling Installations Continue pl...

Page 18: ...r and vent system refer to Figure 14 Note Baffles are always placed at the end of the last heat exchanger tube length with the exception of the special configuration 205 000 BTUH with a 50 ft tube len...

Page 19: ...uired in last section of tube Heat Exchanger Tube Tube Coupling Vent Adapter Bend Tab over End of Tube Install J Bolt at first hanger Tube Flange Gasket 3 to 6 Combustion Tube Burner Assembly Tube Cou...

Page 20: ...the middle of each 10 foot reflector length Figure 17 shows the installation of the reflector support bracket Figure 17 Reflector Support Bracket Installation 1 Place Reflector Bracket underneath the...

Page 21: ...tile reflector sections that is reflector sections must be either above both adjacent reflector sections or below both adjacent reflector sections Refer to Figure 18 Figure 18 Reflector Overlap Illus...

Page 22: ...eflector overlap joints and reflector brackets are left loose to accommodate system movement Figure 19 Reflector Supports Installation and Reflector Overlap Install End Cap as shown in Figure 4 and Fi...

Page 23: ...er reflectors see Figure 22 and refer to Clearance to Combustibles information Figure 21 90 Elbow and U Tube Assembly Detail Elbows or U Tubes must be located not less than 10 feet from the burner in...

Page 24: ...LATION If used install the Mitered Reflector as shown below Figure 22 Figure 22 Mitered Reflector Installation Assemble Corner Bracket to Mitered Reflectors as shown Mitered Reflector Sections should...

Page 25: ...apart refer to Figure 23 Figure 23 Side Shield Overlap Reflector Hanger Side Reflector Bracket approx 48 apart 8 x 3 8 Screw 8 x 3 8 Screw Reflector 8 x 3 8 Screws Notch the Side Reflector for Reflec...

Page 26: ...n BOTTOM SHIELD REFLECTOR INSTALLATION Bottom shields need not overlap Each 5 feet section is held with two support brackets see Figure 24 Figure 24 Bottom Shield Installation Tighten Screw Bottom Shi...

Page 27: ...le with Suspended Ceiling Installation Install from Outside of Shield and hold with Screws from Outside Notch Deco Grille Support for Hangers Supports Fasten to End Cap Deco Grille Supports Fasten wit...

Page 28: ...utside 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 length allowed...

Page 29: ...in the appropriate gas installation code Refer to common venting section below Use of an approved thimble to pass through combustible roof materials is required Use of an approved vent cap is required...

Page 30: ...MAY BE REPLACED BY FLASHING WHERE THE VENT IS PENETRATING A NON COMBUSTIBLE WALL 6 TOTAL VENT LENGTH FOR SINGLE WALL VENTING INCLUDING ELBOWS 40 EACH ELBOW 5 MAX NUMBER OF ELBOW 3 WALL 5 MAX 18 MIN C...

Page 31: ...pe and should be located at an elevation equal to or below the vent terminal elevation to prevent back venting of flue gases into the burner compartment Install single wall pipe or PVC pipe and fittin...

Page 32: ...ex connector In all cases a fresh air hood must be used in conjunction with a vent terminal of the approved type and all connections must be sealed with a high temperature sealant that can withstand 4...

Page 33: ...e 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 of approved type must be install...

Page 34: ...lled with a manual line switch or timer switch in place of the thermostat Refer to Figure 33 for guidance on electrical wiring of heaters If any of the original wire as supplied with the heater must b...

Page 35: ...L IND Yellow Brown Purple Blue L1 N 120V L1 N 120V 24V Red Black Yellow Green Channel Module 53X 24 GAS VALVE C M HI Low Fire Lamp Yellow Brown Blue W1 STAT R W2 Green Yellow Hi Fire Lamp 24V Thermost...

Page 36: ...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 requirem...

Page 37: ...is 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 Burne...

Page 38: ...es Motor Impeller Spin Freely IF PROBLEM PERSISTS CONTACT YOUR LOCAL SRP REPRESENTATIVE Verify Sense Electrode Verify Ground Verify Wiring Does 24V Occur At Valve During Ignition Trial Check Wiring an...

Page 39: ...0 000 BTU BLOWER MOTOR MODEL 100 000 BTU CE004 CE013 FLAME SENSOR ELECTRODE LE002 6 SPARK ELECTRODE LE001 7 ITEM PART DESCRIPTION 10 8 BURNER CUP BURNER CUP ASSEMBLY C W ELECTRODES LG004 LG005 SIGHT G...

Page 40: ...purchase 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...

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