Carlin 702GAS Instruction Manual
Also see for 702GAS: Instruction manual
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Contents
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Model 702GAS Advanced gas burners — Instruction manualMN702G 092916– 17 –Where appliance i nstructions differ f rom this m anual, f ollow the appliance i nstructions.Before firing the burner . . .Set combustion head (Dimension “A”)1. The combustion head adjusting screw is used to set the spacing betweenthe retention ring and throttle ring (or air cone), regulating how much airpasses around the retention ring.2. See Figure 16. Loosen the two housing cover screws. Then rotate the headadjusting screw until the distance from the housing detent to the beginningof the scale equals the value given in Table 5 (Dimension “A” ). Tighten thehousing cover screws.Set air damper (low fire position)1. See Figure 17. Loosen the air damper adjusting screw and locknut. Rotatethe adjusting screw until the air opening between the damper and thedamper housing equals the initial low-fire opening in Table 5. Leave screwand locknut loose until final adjustment.Determining final adjustments1. The burner is now adjusted to the approximate air settings for the fir-ing rate used. Follow the procedures on the following pages to use testinstruments and make final burner adjustments.Figure 17 Set initial low fire air damper settingFigure 16 Set initial combustion head positionTable 5 Initial burner settings (see the pages 18 through 21 for final adjustments using test instruments)Low-fire input High-fire input Combustionhead positionDimension “A”Air damperlow-fireopeningButterfly valve open –low fire(factory set)Natural gas Natural gasMBH MBH Inches(approximately)Inches(approximately)%(approximately)490 840 0 3/8 50525 910 1/16 3/8 50560 966 1/8 7/16 50630 1092 3/16 7/16 50700 1218 3/8 1/2 50770 1330 5/8 1/2 50840 1456 1-1/8 9/16 50910 1600 1-3/8 9/16 506. Set burner initial head and damper positionsFollow the procedures given here and on the follow-ing pages to ensure the burner is correctly adjusted.Take your time and the adjustments given in thefollowing should result in good operation, and avoidreturn service calls.You must perform the adjustments in the sequencegiven in this manual.Failure to follow the correct procedures could result insevere personal injury, death or substantial propertydamage.DamperOpeningDamperBladeLocknutLow-FireAdjustingScrew |
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