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Baxi Kingston 2 Cleaning the Burner and Injectors

1. Undo the screw retaining the spark electrode to the burner tray (Fig. 40). 2. Undo the screw retaining the burner to the burner tray (Fig. 41). 3. Slide the burner to the left to disengage from the injector. Rotate … Continue reading

13. May 2019 by admin
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Bent Tube Boilers

Bent tube boilers usually have three drums. The drums are usually of the same diameter and positioned at different levels with each other. The uppermost or highest positioned drum is referred to as the STEAM DRUM, while the middle drum … Continue reading

12. May 2019 by admin
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Vertical-Tube Boiler

In some fire-tube boilers, the tubes run vertically, as opposed to the horizontal arrangement in the Scotch boiler. The VERTICAL-TUBE boiler sits in an upright position, as shown in figure 1-3. Therefore, the products of combustion (gases) make a single … Continue reading

11. May 2019 by admin
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Identifying Motor Capacitor Terminals

Most run capacitors and some starting capacitors are of the oil-filled type. This is especially true for high current motors such as those used to operate compressors. Many manufacturers of oil-filled capacitors will identify one terminal with an arrow, a … Continue reading

18. May 2011 by admin
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Permanent Split Capacitor Motor

The permanent-split capacitor motor has greatly increased in popularity for use in the air conditioning field over the past years. This type of split-phase motor does not disconnect the start windings from the circuit when it is running. This eliminates … Continue reading

24. April 2011 by admin
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Motor Power Consumption

It should be noted that the motor does not use less energy when connected to 240 volts than it does when connected to 120 volts. Power is measured in watts, and the watts will be the same regardless of the … Continue reading

24. April 2011 by admin
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Dual Voltage Motor

Single-phase motors can also be constructed to operate on two separate voltages. These motors are designed to be connected to 120 or 240 volts. A common connection for this type of motor contains two run windings and one start winding, … Continue reading

24. April 2011 by admin
Categories: Electric Motors | 1 comment

Testing The Stator Winding

The stator winding of a single-phase motor is generally tested with an ohmmeter. The ohmmeter test can be used to determine if a winding is open or grounded. Many single-phase motors have one lead of the run and start windings … Continue reading

24. April 2011 by admin
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Capacitor-Start Induction-Run Motors

Capacitor-start induction-run motors are very similar to resistance-start induction-run motors. The design of the stator winding is basically the same. The main difference is that a capacitor is connected in series with the start winding, as shown in Figure 11–11. … Continue reading

24. April 2011 by admin
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HVAC Pressure Requirement

The diffuser or grille minimum pressure for a given air volume reflects itself in ultimate system fan horsepower requirements. A diffuser or grille with a lower pressure rating requires less total energy than a unit with a higher pressure rating … Continue reading

27. January 2011 by admin
Categories: Control Devices | Tags: | Leave a comment

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