Central heating

What does CHeSS stand for

• Central heating electrical system specification

• A board game

• Central heating efficiency system specification

Identify the British standards that apply to central heating design, installation and commissioning

• BS 6700

• BS 12828

• BS 12056

• BS 14336

• BS 4422

When designing a central heating system, what is the outside temperature taken to be?

• -3

• -1

• 1

• 3

What is the only type of boiler permitted to be fitted in UK homes according to Building Regulations Part L1?

• Combination boiler

• Balanced flue boiler

• Condensing boiler

• Conventional boiler

SEDBUK stands for Seasonal Efficiency Domestic Boilers UK

• Ture

• False

According to Building Regulations Part L1, what is the minimum SEDBUK efficiency rating allowed for installation ?

• 80%

• 85%

• 90%

• 95%

Identify the control systems that use two, two port valves

• C plan

• C plan +

• S plan

• Y plan

Identify the control systems that are fully pumped

• C plan

• C plan +

• S plan

• Y plan

In order to work on an oil fired boiler, you need to be HEATAS certified

• Ture

• False

What is the maximum distance used when constructing an H frame?

• 100 mm

• 125 mm

• 150 mm

• 175 mm