hot water ppt 4

What should be used for the repair of system components according to the manufacturer's instructions?

• Personal experience

• Manufacturer's servicing and maintenance instructions

• Online tutorials

• Advice from friends

What might the manufacturer's instructions outline?

• Fault diagnosis procedures

• Vacation plans

• Movie reviews

• Fashion tips

What is sometimes necessary if components cannot be repaired?

• Painting them

• Replacing them

• Ignoring them

• Selling them

Where can fault diagnosis procedures often be found?

• In a fault-finding chart in manufacturer's instructions

• In a general plumbing guidebook

• On a social media platform

• In a local newspaper

If the thermostat is set too high, what should be done according to the chart?

• Replace the thermostat

• Check the wiring of the system

• Reduce the temperature setting on the thermostat

• Connect the wiring as per the installation instructions

What is the symptom of a pump with a burnt out motor?

• Motor running, little or no water at outlet

• Pump not working, smell of burning

• Water leak

• Slow starting

What is the recommended repair for a pump with a cracked casing?

• Replace capacitor, as per MIs

• Recharge vessel; check Schrader valve with leak detector

• Replace pump

• Replace vessel, as per MIs

Which component is associated with pressure loss as a known fault?

• Pump

• Expansion vessel

• Capacitor

• Relief valve

What is the repair solution for a ruptured bladder or diaphragm in an expansion vessel?

• Replace pump

• Replace capacitor, as per MIs

• Recharge vessel; check Schrader valve with leak detector

• Replace vessel, as per MIs

What is a symptom of a pressure relief valve fault when water is dripping when the system is hot?

• Incorrect pressure in the system

• Valve not seated correctly

• Indication that expansion vessel has lost its charge

• Thermostat too high or safety malfunction