Log:

Gas-Fired Products LTU 125

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of Pipe ■ Maximum Equivalent Length - 75 ft. of Pipe NOTE: To minimize problems associated with condensation in long horizontal runs, vent pipe can be insulated. 3. When venting through a sidewall, the horizontal vent pipe shall rise not less than 1/4 inch per foot from the start of the vent system to the vent terminal. All portions of the vent pipe shall be supported to prevent sagging. 4. A minimum clearance of 6 inches must be maintained between the outside wall and vent cap. 5. The hori

Gas-Fired Products LTU 120

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Other venting references are in the equipment volume of the ASHRAE Handbook. Form #43155010 Feb-04 -13- SINGLE HEATER VENTING (VERTICAL THROUGH THE ROOF) 1. When venting the heater to outside of building through a roof, use single-wail metal pipe. This is to be constructed of galvanized sheet metal or other approved noncombustible corrosion-resistant material as allowed by state or local codes. 2. A vent passing through a combustible roof shall extend through a 2-inch clearance roof thimble

Gas-Fired Products LTU 110

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Maximum heating efficiency and clean combustion will be maintained by keeping the heater clean. To clean the heater, follow these instructions: 1) Turn off all electrical and gas supply to the heater. 2) Open the control box access panel. 3) Clean the access panel, the inside of the control box, the emitter tube and the reflector panels. (Dirty reflectors will reduce output.) 4) Visually inspect the spark electrode. Remove any foreign objects from electrode tip. Set the spark gap to the proper v

Gas-Fired Products LTU 100

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Using a small screwdriver, turn the adjustment screw clockwise O to increase or counterclockwise O to decrease the gas pressure to the burner. Replace the cover screw. NOTE: The step opening pressure of this gas valve is not adjustable. 4. Check the burner at step pressure, observing burner ignition and flame characteristics. The burner should ignite properly and without flashback to the orifice, and should remain lit. Cycle the burner several times. Wait 30 seconds between cycles to allow the

Gas-Fired Products LTS Series

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Clearances to combustibles are posted on the control box. In areas used for storage of combustible materials where they may be stacked below the heater, NFPA54 requires that the installer must post signs that will “specify the maximum permissible stacking height to maintain the required clearances from the heater to combustibles.” Space-Ray recommends posting these signs adjacent to the heater thermostat or other suitable location that will provide enhanced visibility. Form #43155010 Feb-04 -

Gas-Fired Products LTS 90

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See Figures b and c. 4. Heaters subject to vibration must be provided with vibration isolating hangers. 5. 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 body sections be hung by chains with turnbuckles. This will allow slight adjustments after assembly and heater expansion/contraction during operation. 1/2" diameter hole t? Tube Support/Hanger Bracket (End View) 3/1

Gas-Fired Products LTS 80

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WE RESERVE THE RIGHTT0 ALTER ANY SPECIFICATION WITHOUT NOTICE. ITEM* PART NO. DESCRIPTION 29 42741040 Restrictor Plate, 1” I.D. (40M Btu/hr) 30 42741030 Restrictor Plate, 1-1/8’ I.D. (50M Btu/hr) 31 42741020 Restrictor Plate, 1-7/32” I.D. (60M Btu/hr) 32 42741010 Restrictor Plate, 1-7/16” I.D. (75M Btu/hr) 33 42741050 Restrictor Plate, 1-1/2” I.D. (80M & 90M Btu/hr) 34 42741060 Restrictor Plate, 1-5/8” I.D. (100M Btu/hr) 35 42741070 Restrictor Plate, 1-3/4’ I.D. (110M & 120M Btu/hr) 36

Gas-Fired Products LTS 75

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The exhaust hood must be mounted only in an upright position and directed toward the reflector body. 7. Assemble the end reflector (packaged in the control draft inducer package) flush with the end of the main body reflector. Secure by sliding speed clips onto the reflector edges. Evenly space the speed clips on the sides (one each side) and top (two required) of the reflectors to provide a snug fit. Leave a 3” space between the end reflector and the draft inducer assembly. - Exhaust Hood (Su

Gas-Fired Products LTS 60

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BODY SECTION 6” fifi’ (sm 6” t Reflector 1 i Side view 6: Tube Support/Hanger Bracket (QTY-2; 13” r Emitter Tube 10 FT. BODY SECTION Tube Support/Hanger Bracket (QTY-2) T Emitter Tube CONTROL BOX 3/8’ Connector Burner Sight Glass 1/2’ MPT Gas Pipe Connection 8-1/2” Square Access Panel Clearances to Combustibles Label 120’ t (10 ft) 108” r Reflector _ Side View 1 6” Lighting & Shutdown Instructions Opening for Electrical Connection DRAFT INDUCER Flue Restr

Gas-Fired Products LTS 50

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Provide a capped cleanout T as necessary. In high humidity applications, the control box should be sealed with silicone sealer. In multiple heater applications, the combustion air intake may be ducted individually or common ducted in the same configuration as shown for venting in Section 23. For combustion air intake duct sizing, please refer to the Vent Sizing Table and use the diameter indicated, based on the number of heaters per duct. 26) LIGHTING AND SHUTDOWN INSTRUCTIONS 1) Turn on the





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