Electrical ppt 9

Which type of instructions often have fault-finding charts?

• User manuals

• Manufacturers’ instructions

• Online guides

• Technical blogs

What can be very useful for understanding processes?

• Textbooks

• Flow diagrams

• Videos

• Articles

What is the action if the main burner does not ignite?

• Replace the thermostat

• Clean the injector

• Check the solenoid

• Turn on the gas supply

What does the term 'permanent live' refer to

• A constant power supply

• A temporary connection

• A backup power source

• A switched connection

What should be checked if there are no switched live outputs?

• The water heater

• The wiring centre

• The gas valve

• The radiator

What is the next stage of the circuit after ensuring the thermostat is 'calling for heat'?

• Checking the power supply

• Inspecting the zone valve

• Testing the live in

• Verifying the neutral connection

What is the primary function of a thermostat?

• To measure temperature

• To act as a switch

• To increase pressure

• To decrease voltage

What is a common next stage to check if the thermostat is operating correctly in a heating system?

• Zone valve

• Boiler

• Radiator

• Thermocouple

What should be checked if the thermostat is confirmed and calling for heat?

• Boiler pressure

• Zone valve lever

• Radiator temperature

• Thermostat battery

What is the purpose of testing a synchronous motor within a zone valve?

• To ensure it is properly lubricated.

• To verify its electrical functionality.

• To check its physical dimensions.

• To confirm its color coding.