How are push buttons used in Pilot Devices?
Pilot devices help man to interact with controlling machines and also provides a way to let machines give feedback on a process. Pilot devices consist of push buttons, selector switches, toggle switches, indicator lights, alarm lights and any other device that interacts between man and machine. Push buttons are a manual relay.
What to do if your automatic pilot light is not on?
Call a technician if you are unable to reset your automatic pilot light on your own. When your furnace fails to ignite, the first place to look is the pilot light. The most common reason for this problem is because the pilot light is not on.
How do you light a gas pilot light?
A pilot flame is lit with a manual push button spark ignitor or a handheld lighter while pushing down on the pilot plunger button found on the top of the gas valve. To light a gas pilot, the button on the combination gas valve must be pushed down which allows gas to enter the pilot tube and exit through the pilot termination head.
Which is a selector switch in a pilot?
Another switching device in the pilot family is the selector switch. These switches can have two, three or more positions, depending on the application. Selector switches have a handle that can be rotated, instead of depressed. As it rotates, it pushes a plunger inward to make or break contacts mounted on the back.
What happens when a pilot light blows out?
The electricity that is created runs to a small electromagnetic valve and holds it open. If the pilot light blows out, the thermocouple quickly cools off. It stops generating electricity and the valve closes. To relight the pilot light, you have to push a button that opens the value manually.
When do you let go of the pilot light?
Then you light the pilot light and wait for the thermocouple to heat up (about 30 seconds). Once it is hot, the thermocouple is generating the electricity needed to hold the value open. Then you can let go of the button. The problem with pilot lights is that they waste a lot of gas. Therefore, most modern appliances do not have a pilot light.
What kind of pilot lights are factory sealed?
— Clearly marked terminals with brass screws assure quick, easy wiring. • EFD/EFDB Pilot Lights — Factory sealed pilot lights supplied with red jewel/guard assembly and 120 Vac/Vdc, 50/60 Hz, 6 Watt, Type 6S6 lamp. — Models also available in combination with factory sealed push buttons and selector switches.
How do you relight pilot light on water heater?
To relight the pilot light of your furnace or water heater yourself, you have to manually open a valve by pushing a button. Next, you need to light the pilot light and wait for 30-40 seconds for the thermocouple to heat up so you don’t have to hold the button anymore.