6035CHPPT2Q2

What is the golden rule for the positioning of the circulator?

• Draw on the feed with the most pressure

• Draw on either feed

• Always draw on the cold feed

• Always draw on the hot feed

What can be the cause if the radiators are not heating up and the hot water is only lukewarm?

• Faulty thermostat

• Low boiler pressure

• Blocked pipes

• Sluggish or poor performing pump

What is the purpose of the two port motorised valve?

• React to both the cylinder and room thermostat

• Allow hot water and heating circuits to be controlled separately

• Activate the room or cylinder thermostat

• Control the flow of water to both the heating and hot water circuits

Where should the room thermostat be situated?

• On an outside wall

• Near a heat source

• In the kitchen

• Approximately 1.5 metres up a wall

What is the function of the boiler thermostat?

• Activate the room or cylinder thermostat

• Control the flow of water to both the heating and hot water circuits

• Governs the temperature of the primary water

• Situated in vulnerable areas

Where are programmers commonly situated?

• In the living room

• In the kitchen

• In the airing cupboard

• In the bedroom

What is the purpose of the frost thermostat and pipe thermostat?

• React to both the cylinder and room thermostat

• Activate the room or cylinder thermostat

• Stop vulnerable parts of the system from freezing

• Control the flow of water to both the heating and hot water circuits

What should be done prior to working on any electrical component, including the boiler?

• Remove the fuse

• All of the above

• Switch off the fused spur

• Lock off the fuse holder

What is the purpose of the three port mid-position valve?

• React to both the cylinder and room thermostat

• Allow hot water and heating circuits to be controlled separately

• Activate the room or cylinder thermostat

• Control the flow of water to both the heating and hot water circuits

What is the function of the full bore valves at either side of the pump flanges?

• Allow the pump to be removed without draining the system

• Control the flow of water to both the heating and hot water circuits

• React to both the cylinder and room thermostat

• Stop vulnerable parts of the system from freezing