Оценок - 2, средний балл: 4
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Фрагмент инструкции
Slide burner access panel out. 2. Remove the 7 screws that attach induced- --draft motor housing to vestibule plate. (See Fig. 34.) 3. The blower wheel can be cleaned at this point. If additional cleaning is required, continue with Steps 4 and 5. 4. To remove blower from the motor shaft, remove 2 setscrews. 5. To remove motor, remove the 4 screws that hold the motor to mounting plate. Remove the motor cooling fan by removing one setscrew. Then remove nuts that hold motor to mounting plate. 6. To reinstall, reverse the procedure outlined above. 26 27 HEATER TUBE ASSEMBLY SEAL STRIPS, SPONGE RUBBER REGULATOR GASKET REGULATOR RETAINER WIND CAP ASSEMBLY (SHOWN INVERTED, AS SHIPPED) BURNER ASSEMBLY INDUCER FAN-MOTOR ASSEMBLY SUPPORT INSULATION ASSEMBLY C08227 Fig. 34 -- Heat Exchanger Assembly Burners and Igniters EQUIPMENT DAMAGE HAZARD Failure to follow this caution may result in equipment damage. When working on gas train, do not hit or plug orifice spuds. ! CAUTION Main Burners To access burners, remove burner access panel and slide out burner partition. At the beginning of each heating season, inspect for deterioration or blockage due to corrosion or other causes. Observe the main burner flames and adjust, if necessary. Orifice Projection Refer to Fig. 35 for maximum projection dimension for orifice face to manifold tube. ORIFICE 1.00-in (25.4 mm) MANIFOLD PIPE C08211 Fig. 35 -- Orifice Projection Removal and Replacement of Gas Train See Fig. 30, 34, and 36. 1. Shut off manual gas valve. 2. Shut off power to unit. 3. Slide out burner partition. 4. Disconnect gas piping at unit gas valve. 5. Remove wires connected to gas valve. Mark each wire. 580J 28 MANIFOLD PRESSURE TAP GAS VALVE BURNERS C09154 Fig. 36 -- Burner Tray Details 6. Remove igniter wires and sensor wires at the Integrated Gas Unit Controller (IGC). (See Fig. 37.) 7. Remove the 2 screws that attach the burner rack to the vestibule plate. (See Fig. 34.) 8. Slide the burner tray out of the unit. (See Fig. 36.) 9. To reinstall, reverse the procedure outlined above. Cleaning and Adjustment 1. Remove burner rack from unit as described in Removal and Replacement of Gas Train section. 2. Inspect burners; if dirty, remove burners from rack. (Mark each burner to identify its position before removing from the rack.) 3. Use a soft brush to clean burners and cross--over port as required. 4. Adjust spark gap. (See Fig. 38.) 5. If factory orifice has been removed, check that each orifice is tight at its threads into the manifold pipe and that orifice projection does not exceed maximum valve. (See Fig. 35). 6. Reinstall burners on rack in the same locations as factory--installed. (The outside crossover flame regions of the outermost burners are pinched off to prevent excessive gas flow from the side of the burner assembly. If the pinched crossovers are installed between two burners, the flame will not ignite properly.) RACEWAY INTEGRATED GAS UNIT CONTROLLER (IGC) HOLE IN END PANEL (HIDDEN) C08454 Fig. 37 -- Unit Control Box/IGC Location 7. Reinstall burner rack as described in Removal and Replacement of Gas Train section, above. Gas Valve — All unit sizes are equipped with 2--stage gas valves. See Fig. 39 for locations of adjustment screws and features on the gas valves. To adjust gas valve pressure settings: IMPORTANT: Leak check all gas connections including the main service connection, gas valve, gas spuds, and manifold pipe plug. All leaks must be repaired before firing unit. Check Unit Operation and Make Necessary Adjustments NOTE: Gas supply pressure at gas valve inlet must be within specified ranges for fuel type and unit size. (See Table 5, 6, 7, and 8.) 1. Remove manifold pressure tap plug from manifold and connect pressure gauge or manometer. (See Fig. 36.) 2. Turn on electrical supply. 3. Turn on unit main gas valve. 4. Set room thermostat to call for heat. Verify high-- stage heat operation before attempting to adjust manifold pressure. 5. When main burners ignite, check all fittings, manifold, and orifices for leaks. 6. Adjust high--stage pressure to specified setting by turning the plastic adjustment screw clockwise to increase pressure, counter--clockwise to decrease pressure. 7. Set room thermostat to call for low--stage heat. Adjust low--stage pressure to specified setting. 8. Replace regulator cover screw(s) when finished. 9. With burner access panel removed, observe unit heating operation in both high stage and low stage operation. Observe burner flames to see if they are blue in appearance, and that the flames are approximately the same for each burner. 10. Turn off unit, remove pressure manometer and replace the 1/8 in. pipe fitting on the gas manifold. (See Fig. 36.) Limit Switch Remove blower access panel. Limit switch is located on the fan deck. (See Fig. 31.) 580J 125,000/90,000 BTUH INPUT 180,000/120,000 BTUH INPUT 240,000/180,000 BTUH INPUT 250,000/200,000 BTUH INPUT 125,000/90,000 BTUH INPUT 180,000/120,000 BTUH INPUT 240,000/180,00...
Эта инструкция также подходит к моделям:Насосное оборудование - F (4.25 mb)