Central Heating 6035-02 | Part 2

When the zone valves close, the boiler switches off and when the heat is dissipated from the heat exchanger, the circulator will switch off. This is known as?

• Boiler interlock

• Negative pressure

• Positive pressure

• Background heating

What is the component shown?

• Boiler thermostat

• Cylinder thermostat

• Room thermostat

• Programmer

The Water Regulations states that after the system has been charged, the filling loop needs to be?

• Remain attached and on to keep the charge

• Removed from the property to prohibit homeowner operation

• Disconnected to prevent additional charges in the system

• Remain attached in order for easy refill of system

STATEMENT: Boilers installed on any system must always be positioned lower than the systems clyinder.

• True

• False

Which component is included on a fully pumped Y-plan system that differentiates it from the S-plan system?

• 2 two port valves for hot water and heating

• A three port valve

• A bypass valve

• The cylinder thermostat

Which of the following boilers use one heat exchanger to heat up the primary water, allowing the latent heat to be expelled to atmosphere?

• Condensing boilers

• Traditional boilers

• Convectional boilers

STATEMENT: Unlike the two-port motorised valves, the three-port mid-position valve always allows a flow of water through the valve.

• True

• False

Which of the following is not a benefit to having underfloor heating installed?

• Improved comfort

• Flexibility

• Very low maintenance

• Pricey installation

What is the component shown?

• Manifold

• 4-way coupling

• Continuous tee fitting

• Male iron to copper connection

To correctly balance the system, what should be worked out? (Choose 2)

• How long the system takes to heat up

• How many full turns it takes to heat up

• How many radiators are in the system (plus 1)

• What type of property the customer has