Heat Pump Multiple

What decibels between 7:00am and 11:00pm should a heat pump unit not exceed?

55

Correct Incorrect Correct answer

45

Correct Incorrect Correct answer

60

Correct Incorrect Correct answer

25

Correct Incorrect Correct answer

The rated pressure of the heat pump system should not exceed a static pressure of ______ kPa?

300

Correct Incorrect Correct answer

600

Correct Incorrect Correct answer

400

Correct Incorrect Correct answer

200

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

The residual pressure at the terminal fittings of a heat pump installation should not vary by more than ________?

200mm

Correct Incorrect Correct answer

20%

Correct Incorrect Correct answer

50%

Correct Incorrect Correct answer

300mm

Correct Incorrect Correct answer

10%

Correct Incorrect Correct answer

Subject to the manufacturers requirements, what is the maximum vertical head between a split type heat pumps, pumped outlet and the return connection of the storage water heater?

2m

Correct Incorrect Correct answer

3m

Correct Incorrect Correct answer

6m

Correct Incorrect Correct answer

8m

Correct Incorrect Correct answer

3.5m

Correct Incorrect Correct answer

The draw off point or the flow for the heat pump units primary circulation loop from the storage water heater shall be done within ________ of the cold water inlet of the storage water heater?

300mm

Correct Incorrect Correct answer

250mm

Correct Incorrect Correct answer

50cm

Correct Incorrect Correct answer

5 m

Correct Incorrect Correct answer

Any distance

Correct Incorrect Correct answer

When a split type installation is carried out and the heat pump is elevated above the hot water cylinder, at what position should the vacuum breakers be installed?

300mm above the hot water cylinder

Correct Incorrect Correct answer

At the highest horizontal point of both the hot and cold water points

Correct Incorrect Correct answer

Additional vacuum breakers must be installed

Correct Incorrect Correct answer

Vacuum breakers can be eliminated

Correct Incorrect Correct answer

In terms of SANS 1352, which of the following must the licensed plumber issue on completion of the installation of a heat pump?

An invoice

Correct Incorrect Correct answer

A workmanship guarantee

Correct Incorrect Correct answer

A Professional body Certificate of Compliance

Correct Incorrect Correct answer

A schedule 4 Certificate of Compliance

Correct Incorrect Correct answer

On Completion of a Heat Pump installation, which of the following documentation should be handed over to the consumer;

Warranty Documentation

Correct Incorrect Correct answer

Operation manual

Correct Incorrect Correct answer

A Professional body Certificate of Compliance

Correct Incorrect Correct answer

Maintenance schedule

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

In the event of a heat pump’s heating system failing, should there be any additional provisions in place?

Yes, the geyser's element and thermostat must be in place as auxiliary heating. An electric switchover facilitates this.

Correct Incorrect Correct answer

Yes, there should be an auxiliary water supply available

Correct Incorrect Correct answer

A timer with an automatic shut off function

Correct Incorrect Correct answer

Isolating valves

Correct Incorrect Correct answer

Subject to the manufacturers requirements what is the total linear distance between a split type heat pump, pumped outlet and the return connection of the storage water heater?

8m

Correct Incorrect Correct answer

6m

Correct Incorrect Correct answer

15m

Correct Incorrect Correct answer

11m

Correct Incorrect Correct answer

13.5m

Correct Incorrect Correct answer

When would one install a drip tray for a heat pump?

All the time

Correct Incorrect Correct answer

It is not required

Correct Incorrect Correct answer

When leakage from a heat pump can cause damage to the property

Correct Incorrect Correct answer

When the heat pump is not IPX4 Rated

Correct Incorrect Correct answer

What type of isolating valves may be installed on a heat pump unit?

A full bore type

Correct Incorrect Correct answer

A stop cock type

Correct Incorrect Correct answer

A non return type

Correct Incorrect Correct answer

A pillar type tap

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

In terms of SANS 1352 signing off a heat pump installation, who can carry out this function?

A qualified plumber

Correct Incorrect Correct answer

Solar Installer

Correct Incorrect Correct answer

PIRB Designated Plumber

Correct Incorrect Correct answer

Home Owner

Correct Incorrect Correct answer

The Manufacturer

Correct Incorrect Correct answer

Isolating valves must be within _______ reach of the heat hump unit?

Arms reach

Correct Incorrect Correct answer

1.5 m

Correct Incorrect Correct answer

150mm

Correct Incorrect Correct answer

2.0m

Correct Incorrect Correct answer

300mm

Correct Incorrect Correct answer

If an existing heat pump installation is found to be non-compliant what is your responsibility as a plumber?

Nothing

Correct Incorrect Correct answer

Report it to the client

Correct Incorrect Correct answer

Report it to the client and put it in writing

Correct Incorrect Correct answer

Report it to the authorities

Correct Incorrect Correct answer

Report it to the manufacturer who holds the warranty

Correct Incorrect Correct answer

SANS 1352 covers the maintenance and repair of the domestic air source water heating heat pump?

True

Correct Incorrect Correct answer

False

Correct Incorrect Correct answer

Condensation drain pipe from the heat pump must discharge?

In a visible position where it cannot cause a nuisance/ damage to property

Correct Incorrect Correct answer

Must connect directly to a waste or sewer line

Correct Incorrect Correct answer

In a concealed place

Correct Incorrect Correct answer

In a metallic pipe

Correct Incorrect Correct answer

Sizing of the heat pump is critical in that an under sized unit could result in _____.

Erratic temperature

Correct Incorrect Correct answer

Insufficient hot water

Correct Incorrect Correct answer

Affect working pressure of the system

Correct Incorrect Correct answer

Will lengthen the heat cycle of the hot water and in turn be less energy efficient

Correct Incorrect Correct answer

Fill in the blank: A strainer must be installed _________________ of the isolating valve?

Downstream

Correct Incorrect Correct answer

Upstream

Correct Incorrect Correct answer

Within 500mm

Correct Incorrect Correct answer

Directly to the heat pump, downstream

Correct Incorrect Correct answer

Non installation of a strainer will result in?

Clogging of the pump and system

Correct Incorrect Correct answer

Will have no adverse effect on the system

Correct Incorrect Correct answer

Increased flow and pressure to the unit

Correct Incorrect Correct answer

Increase heating cycle

Correct Incorrect Correct answer

Heat pump controller must be positioned?

In roof space next to the hot water cylinder

Correct Incorrect Correct answer

Positioned as close as possible to the heat pump

Correct Incorrect Correct answer

In a convenient operational position

Correct Incorrect Correct answer

At the DB Board

Correct Incorrect Correct answer

The interconnection piping that circulates the heat transfer fluid between the heat pump unit and the storage water heater is called the

Primary circulation loop

Correct Incorrect Correct answer

Return circulation loop

Correct Incorrect Correct answer

Main circulation loop

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

Due to the heat pump containing refrigerant gas, when transporting it, the unit must remain _____.

Inside the packaging

Correct Incorrect Correct answer

Unit must lie flat in original packaging, with front face in vertical position

Correct Incorrect Correct answer

Transported in an upright position

Correct Incorrect Correct answer

Manufacturer must deliver

Correct Incorrect Correct answer

When positioning a heat pump what orientation would provide the maximum ambient temperature for a heat pump?

North

Correct Incorrect Correct answer

South

Correct Incorrect Correct answer

East

Correct Incorrect Correct answer

West

Correct Incorrect Correct answer

You do not need to orientate a heat pump

Correct Incorrect Correct answer

What does it mean if a heat pump is IPX4 rated?

It cannot be exposed to hot weather conditions

Correct Incorrect Correct answer

It can only be located inside

Correct Incorrect Correct answer

It can be located outside exposed to adverse weather conditions

Correct Incorrect Correct answer

It cannot be installed on a storage cylinder greater than 400 litres

Correct Incorrect Correct answer

The term R1 relates to which component utilized on a heat pump system

Lagging

Correct Incorrect Correct answer

Support brackets

Correct Incorrect Correct answer

Supporting of integral heat pump

Correct Incorrect Correct answer

Type of Piping that can be used

Correct Incorrect Correct answer

The coefficient of performance or COP is the

Basic parameter used to report efficiency of refrigerant based systems such as a heat pump

Correct Incorrect Correct answer

It defines the performance of the air in take of a heat pump

Correct Incorrect Correct answer

It defines the water capacity of the heat pump

Correct Incorrect Correct answer

It defines the circulation capacity of a heat pump

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

Which one is correct: Isolating valves must ……………

Be installed on the primary circulation loop only

Correct Incorrect Correct answer

Be installed on the return circulation loop only

Correct Incorrect Correct answer

Neither the primary or return circulation loop

Correct Incorrect Correct answer

Both the primary and return circulation loop

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

R22 refrigerant gas used in heat pumps, has been discontinued due to the effect this had on _____.

Hot water

Correct Incorrect Correct answer

Copper piping

Correct Incorrect Correct answer

The Ozone layer

Correct Incorrect Correct answer

Water quality

Correct Incorrect Correct answer

What should be considered when adding any attachments or components used for prevention of the disturbance of the stratification layers in a storage water heater?

the voiding of the heat pump warranty

Correct Incorrect Correct answer

the voiding of the storage water heaters warranty

Correct Incorrect Correct answer

the voiding of the electrical components warranty

Correct Incorrect Correct answer

the voiding of the respective attachments warranty

Correct Incorrect Correct answer

Water boils at ______ degrees Celsius at sea level?

100

Correct Incorrect Correct answer

90

Correct Incorrect Correct answer

110

Correct Incorrect Correct answer

95

Correct Incorrect Correct answer

An integrated heat pump’s storage tank must comply with which standard?

SANS 10400

Correct Incorrect Correct answer

SANS 151

Correct Incorrect Correct answer

SANS 10106

Correct Incorrect Correct answer

SANS 6589

Correct Incorrect Correct answer

The thermostatic probe from the control unit must be installed;

Within the geyser thermostat pocket

Correct Incorrect Correct answer

At the lowest point of the hot water cylinder/ or circulation loop

Correct Incorrect Correct answer

As per the heat pump manufacturers specifications

Correct Incorrect Correct answer

300mm above the Geyser

Correct Incorrect Correct answer

Air source heat pumps use environmental energy in the air and therefore it is important to position the heat pump in a _______________ area?

Ventilated

Correct Incorrect Correct answer

Dry

Correct Incorrect Correct answer

Lit

Correct Incorrect Correct answer

Moist

Correct Incorrect Correct answer

Check the clearance around the heat pump as the heat pump needs a free flow of ____________?

Air

Correct Incorrect Correct answer

Water

Correct Incorrect Correct answer

Temperature

Correct Incorrect Correct answer

Sunlight

Correct Incorrect Correct answer

When installing a heat pump heating system, must the system be balanced?

Yes

Correct Incorrect Correct answer

No

Correct Incorrect Correct answer

Only if manufacturer requires balanced pressure

Correct Incorrect Correct answer

Balancing has no bearing on heat pumps

Correct Incorrect Correct answer

When the refrigerant gas passes through the expansion valve within a heat pump the pressure of the refrigerant is ___________ ?

Reduced

Correct Incorrect Correct answer

Increased

Correct Incorrect Correct answer

Absorbed

Correct Incorrect Correct answer

Remains the same

Correct Incorrect Correct answer

Prior to any work being carried out what key factors must be taken into consideration

Risk assessment

Correct Incorrect Correct answer

Hot water audit must be conducted

Correct Incorrect Correct answer

Size the correct heat pump unit

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

Heat pump manufacturers’ requirements and installation guidelines supersede the compulsory standard?

Yes

Correct Incorrect Correct answer

No

Correct Incorrect Correct answer

Only if in line with the local municipal by-laws

Correct Incorrect Correct answer

Only if you cannot comply

Correct Incorrect Correct answer

The purpose of the compressor with in a heat pump is to _____________ the pressure of the refrigerant gas?

Increase

Correct Incorrect Correct answer

Reduce

Correct Incorrect Correct answer

Absorb

Correct Incorrect Correct answer

Transfer

Correct Incorrect Correct answer

Heat pumps work by means of transferring ______________?

Energy

Correct Incorrect Correct answer

Water

Correct Incorrect Correct answer

Air

Correct Incorrect Correct answer

Fuel

Correct Incorrect Correct answer

The process of compressing and expanding a refrigerant within a heat pump, is called the __________ cycle?

Refrigeration

Correct Incorrect Correct answer

Heating

Correct Incorrect Correct answer

Cooling

Correct Incorrect Correct answer

Diffusing

Correct Incorrect Correct answer

A heat pump __________ heat from a heat exchanger?

Transfers

Correct Incorrect Correct answer

Creates

Correct Incorrect Correct answer

Diffuses

Correct Incorrect Correct answer

Cools

Correct Incorrect Correct answer

Components of a heat pump are similar to that of a ____________?

Refrigerator

Correct Incorrect Correct answer

Microwave

Correct Incorrect Correct answer

Compressor

Correct Incorrect Correct answer

Kettle

Correct Incorrect Correct answer

Heat energy is measured in ____________ hours?

Kilowatt

Correct Incorrect Correct answer

Pascal

Correct Incorrect Correct answer

Kilobyte

Correct Incorrect Correct answer

Nanobyte

Correct Incorrect Correct answer

Up to which size integral domestic heat pump unit does SANS 1352 cover in it’s scope?

150lt

Correct Incorrect Correct answer

200lt

Correct Incorrect Correct answer

300lt

Correct Incorrect Correct answer

450lt

Correct Incorrect Correct answer

500lt

Correct Incorrect Correct answer

For the refrigerant gas to receive heat from the environment it’s temperature must be _________ than the environment?

Lower

Correct Incorrect Correct answer

Higher

Correct Incorrect Correct answer

Same

Correct Incorrect Correct answer

Better

Correct Incorrect Correct answer

For the refrigerant gas to transfer the heat to a source such as a body of water its temperature must be __________ than the water?

Higher

Correct Incorrect Correct answer

Lower

Correct Incorrect Correct answer

Same

Correct Incorrect Correct answer

Better

Correct Incorrect Correct answer

Which SANS code of practice would one use when installing a heat pump?

SANS 10400

Correct Incorrect Correct answer

SANS 10106

Correct Incorrect Correct answer

SANS 1352

Correct Incorrect Correct answer

SANS 10252

Correct Incorrect Correct answer

SANS 10254

Correct Incorrect Correct answer

The hot water storage capacity for a new heat pump installation shall be determined according to ____________?

SANS 10252-1

Correct Incorrect Correct answer

SANS 10106

Correct Incorrect Correct answer

SANS 10252-2

Correct Incorrect Correct answer

SANS 10400

Correct Incorrect Correct answer

Neither of the above

Correct Incorrect Correct answer

When installing an isolating valve on a heat pump unit should it be installed on the return or primary circulation loop or both?

Primary circulation loop

Correct Incorrect Correct answer

Return circulation loop

Correct Incorrect Correct answer

Both

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

True or False: A heat pump should only be mounted as per the manufacturers instructions?

True

Correct Incorrect Correct answer

False

Correct Incorrect Correct answer

When a heat pump installation that is completed and has no certificate of compliance issued for the installation, is the installation compliant?

Yes

Correct Incorrect Correct answer

No

Correct Incorrect Correct answer

Depends on municipal requirements

Correct Incorrect Correct answer

As long as you provide the Warranty booklet

Correct Incorrect Correct answer

When installing a strainer on a heat pump unit should it be installed on the return pipe, the flow pipe, or both?

Flow pipe

Correct Incorrect Correct answer

Return pipe

Correct Incorrect Correct answer

Both

Correct Incorrect Correct answer

None

Correct Incorrect Correct answer

For both cold and hot water supply lines and the heat pump primary circulation loop pipes and fittings, the type and quality of which shall comply with requirements of?

SANS 10252-1

Correct Incorrect Correct answer

SANS 10106

Correct Incorrect Correct answer

SANS 10252-2

Correct Incorrect Correct answer

SANS 10400

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

True or False: Plumbers may install, replace or remove complete heat pump units and work on any refrigeration components and refrigerant gas of the domestic heat pump units but not the electrical supply?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

Water is compressible?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

The pattern of usage of hot water by the consumer affects the energy consumption of the heat pump system?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Most heat pumps performance are based on a Coefficient of performance value?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Alternative auxiliary water heating boosting should be provided as a back up in the event of failure of the heat pump?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: When water is heated it’s density decreases?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: The circulation loop of a heat pump installation unit should be as long as possible in order to increase the heat pumps performance?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Heat pumps can be categorised into ground-, air- or water- source heat pumps?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: A vertically installed water heater is more effective than a horizontally installed water heater?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: With regards to the installation of a heat pump, making sure that all relevant standards and bylaws will be adhered to is an important pre-installation consideration?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: The term COP means “Consistence Operating Performance”?

True

Correct Incorrect Correct answer

False

Correct Incorrect Correct answer

What it is the most common method of sizing a heat pump?

The volume of water to be heated

Correct Incorrect Correct answer

The size of house

Correct Incorrect Correct answer

The number of people going to use the hot water

Correct Incorrect Correct answer

How far the water heater is away from the heat pump

Correct Incorrect Correct answer

The part of country the heat pump is to be installed

Correct Incorrect Correct answer

True or False: The diffuser in a geyser minimises the disturbance of the waters stratification layers in the tank (diffused, pumped)?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Disrupting stratification layers within a geyser has no bearing on the quantity of available hot water within the cylinder?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: When water is heated it’s volume decreases?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: The lower the COP, the more ‘free’ environmental energy the heat pump is pumping?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: COP is the ratio between the electrical energy used and the heat transferred to water?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: A Refrigerant gas readily gives off/accepts heat (cold, vapour)?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Using anti-vibration pads on a heat pump unit helps prevent resultant noise transmission?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Calcification within the hot water pipes has no effect on the efficiency of the heat pump system?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Water under pressure boils at a higher temperature?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: When installing the pressure and temperature safety valve any modifications or attachments such as galvanized fittings can be used?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: The term COP means “Coefficient of Performance”?

True

Correct Incorrect Correct answer

False

Correct Incorrect Correct answer

True or False: Determining the owner’s requirements when installing a heat pump are important pre-installation considerations?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Stratification occurs when hot and cool water form layers in the water heater?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: A plumber may carry out the refrigeration repairs and re-gassing of a heat pump?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: When carrying out an installation of a split type heat pump system, must SANS 10254 be taken into consideration?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or false: A heat pump produces heat energy

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

How would you ensure that the heated water from the heat pump doesn’t interfere with the stratification within a cylinder?

By pumping it slowly

Correct Incorrect Correct answer

By using a diffuser pipe or a loading/mixing valve

Correct Incorrect Correct answer

By connecting the return pipe into the banjo valve

Correct Incorrect Correct answer

By connecting the return pipe to a solar drain cock

Correct Incorrect Correct answer

How is heat transferred into the water by a heat pump?

The water circulates through a heating element

Correct Incorrect Correct answer

The hot gas is pumped through the water

Correct Incorrect Correct answer

The heat is transferred by a heat exchanger

Correct Incorrect Correct answer

The water is heated in the geyser

Correct Incorrect Correct answer

If an integrated heat pump has no TP valve but is ISO 9001 certified, does it comply?

Always

Correct Incorrect Correct answer

No

Correct Incorrect Correct answer

It depends on whether it is inside or outside

Correct Incorrect Correct answer

Yes, as long as there is a drip tray

Correct Incorrect Correct answer

What is the purpose of the compressor in a heat pump?

It compresses the water vapour to heat it up

Correct Incorrect Correct answer

It compresses the air before it passes over the evaporator, to heat it up

Correct Incorrect Correct answer

It compresses the refrigerant gas to heat it up

Correct Incorrect Correct answer

It compresses the water so it receives more heat

Correct Incorrect Correct answer

True or False: An air source heat pump may be installed in a roof space without ducting?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

If the air temperature is already zero°C, where does the heat come from?

There is no more available heat and the heat pump will not work

Correct Incorrect Correct answer

The heat pump will heat the air up a little first

Correct Incorrect Correct answer

The heat pump will switch over to electrical immersion heating

Correct Incorrect Correct answer

There is sufficient heat in the atmosphere even at 0°C

Correct Incorrect Correct answer

If heat energy is spread into a larger volume, what will happen?

The temperature will stay the same

Correct Incorrect Correct answer

The temperature will decrease

Correct Incorrect Correct answer

The temperature will increase

Correct Incorrect Correct answer

There will be more heat energy

Correct Incorrect Correct answer

If the temperature of the gas stays constant within a Heat Pump installation, what is occurring?

The pressure is building

Correct Incorrect Correct answer

The temperature is the same so nothing is occurring

Correct Incorrect Correct answer

Heat energy is being lost

Correct Incorrect Correct answer

The gas will eventually turn to liquid

Correct Incorrect Correct answer

True or False: Heat will flow from something cold to something warmer

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

How does the heat pump create heat?

By compressing air

Correct Incorrect Correct answer

By converting electrical energy directly into heat

Correct Incorrect Correct answer

It does not create heat, but transfers it

Correct Incorrect Correct answer

With an element

Correct Incorrect Correct answer

What is the common term for the process within a heat pump?

The compression cycle

Correct Incorrect Correct answer

The heating cycle

Correct Incorrect Correct answer

The refrigerant cycle

Correct Incorrect Correct answer

The cooling cycle

Correct Incorrect Correct answer

What is the purpose of the fan in a Heat Pump?

To cool the compressor

Correct Incorrect Correct answer

To cool the refrigerant

Correct Incorrect Correct answer

To cool the water

Correct Incorrect Correct answer

To move air over the evaporator

Correct Incorrect Correct answer

In which component does the refrigerant gas ‘get’ heat?

The compressor

Correct Incorrect Correct answer

The expansion valve

Correct Incorrect Correct answer

The evaporator

Correct Incorrect Correct answer

The heat exchanger

Correct Incorrect Correct answer

How does the heat energy get transferred into the water?

By convection in the compressor

Correct Incorrect Correct answer

By radiation via the evaporator

Correct Incorrect Correct answer

By conduction within the heat exchanger

Correct Incorrect Correct answer

Directly from an electrical element

Correct Incorrect Correct answer

If a heat pump has a COP of 2.4, does it mean…

That it takes 2.4 hours to heat up the water

Correct Incorrect Correct answer

That it's heating capacity is 2.4Kw

Correct Incorrect Correct answer

That for every 2.4Kw of electricity you put in, it will deliver 2.4Kw of heat energy

Correct Incorrect Correct answer

For every 1Kw of electrical power you put in it delivers 2.4Kw of heating energy

Correct Incorrect Correct answer

Why is it important to know a heat pump’s COP?

So you know what size breaker to install

Correct Incorrect Correct answer

So the yield/performance can be calculated and monitored when necessary

Correct Incorrect Correct answer

So you know how much hot water you can use

Correct Incorrect Correct answer

So you know what electricity costs per unit

Correct Incorrect Correct answer

Can the rated COP of a heat pump vary?

Yes, depending on certain factors

Correct Incorrect Correct answer

No, never

Correct Incorrect Correct answer

Only when you open a tap

Correct Incorrect Correct answer

Yes, whenever there is a power outage

Correct Incorrect Correct answer

Select the correct Statement:

The client need not know how the system works or a basic understanding of the operation of a heat pump

Correct Incorrect Correct answer

The client needs to know how the system works and have a basic understanding of the operation of a heat pump

Correct Incorrect Correct answer

The client only needs to know how to change the timer settings

Correct Incorrect Correct answer

The client must be able to service the heat pump himself/herself

Correct Incorrect Correct answer

What difference does the position of the heat pump make?

It affects the efficiency (COP) of the heat pump because of ambient heat

Correct Incorrect Correct answer

In some positions the heat pump can become source of noise pollution

Correct Incorrect Correct answer

There are maximum allowed linear distances for the primary loop to prevent excessive heat loss

Correct Incorrect Correct answer

All of the Above

Correct Incorrect Correct answer

None of the above

Correct Incorrect Correct answer

True or False: A heat pump is effective in any/all situations/sites

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

Which of the following factors should be considered when choosing a position for the heat pump

Proximity to the geyser

Correct Incorrect Correct answer

Serviceability & Ventilation

Correct Incorrect Correct answer

Noise pollution

Correct Incorrect Correct answer

Ambient temperatures

Correct Incorrect Correct answer

All of the above

Correct Incorrect Correct answer

Can the electric supply for the geyser be moved to just supply the heat pump?

As long as it is at least 20amps

Correct Incorrect Correct answer

Yes it can be if it was strong enough to supply the geyser

Correct Incorrect Correct answer

No, there should be a changeover switch

Correct Incorrect Correct answer

The heat pump uses a different voltage

Correct Incorrect Correct answer

True or False: Water quality can have an adverse effect on the components of a Heat Pump installation

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

True or False: Should the consumer be made aware of sizing issues even if it is a retrofit installation?

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

Which components of the installation must be SABS or similarly approved?

The heat pump and the storage tank

Correct Incorrect Correct answer

The heat pump, storage tank and PRV

Correct Incorrect Correct answer

All components

Correct Incorrect Correct answer

The timer and the changeover switch

Correct Incorrect Correct answer

When installing a retrofit heat pump, which one of the following scenarios must be followed?

The geyser should be the correct size and be able to have a banjo valve fitted

Correct Incorrect Correct answer

The geyser should be the correct size and be able to have a banjo valve fitted, and also be a B-rated geyser

Correct Incorrect Correct answer

The geyser should be the correct size and be able to have a banjo valve fitted, must be a B-rated geyser, it must be supported correctly, and it should be accessible

Correct Incorrect Correct answer

The existing geyser forms part of the new installation therefore must fully comply to SANS 10254 and the whole installation must comply to SANS 1352

Correct Incorrect Correct answer

What is the maximum allowed linear distance between the heat pump and the storage tank?

9m

Correct Incorrect Correct answer

10m

Correct Incorrect Correct answer

11m

Correct Incorrect Correct answer

12m

Correct Incorrect Correct answer

15m

Correct Incorrect Correct answer

True or False: The minimum clearance requirements around the heat pump are only there for ease of maintenance

TRUE

Correct Incorrect Correct answer

FALSE

Correct Incorrect Correct answer

Is it possible to lead the condensation drip away from the immediate area?

No, the unit will drip where it stands

Correct Incorrect Correct answer

Yes, it should always be led away

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Yes, it should be led away if it is a nuisance

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Yes, a drip tray must be fitted with a drip tray overflow pipe

Correct Incorrect Correct answer

What should you do if the existing geyser in a retrofit installation is not compliant?

Owner should be told and forced to rectify

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Owner should be told and if they are not willing to rectify then a notice of non-compliance must be issued.

Correct Incorrect Correct answer

Owner should be told and that's all.

Correct Incorrect Correct answer

Don’t need to take any action

Correct Incorrect Correct answer

On a domestic split heat pump, What should a banjo valve be used for?

For the TP and hot water supply to points

Correct Incorrect Correct answer

For the TP and hot water return from pump

Correct Incorrect Correct answer

For the cold water inlet

Correct Incorrect Correct answer

As an extra port for an auxiliary heat source

Correct Incorrect Correct answer

On a domestic split heat pump and a geyser without an extra port, where should the banjo valve be installed?

In the anode port

Correct Incorrect Correct answer

In the hot water outlet port

Correct Incorrect Correct answer

There does not need to be a banjo valve

Correct Incorrect Correct answer

On the cold inlet

Correct Incorrect Correct answer

Where should the hot return from the heat pump be plumbed in?

Into the old TP port

Correct Incorrect Correct answer

Into the banjo valve

Correct Incorrect Correct answer

Into the double drain cock

Correct Incorrect Correct answer

Where the anode was

Correct Incorrect Correct answer

On a domestic split heat pump, how many shut off valves should be installed on the primary loop?

1

Correct Incorrect Correct answer

2

Correct Incorrect Correct answer

3

Correct Incorrect Correct answer

4

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If you are not utilising a dual drain valve, what is the maximum distance allowed between the cold water draw off to the heat pump and the inlet of the storage tank?

200mm

Correct Incorrect Correct answer

300mm

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400mm

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500mm

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600mm

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Select the most correct option: Is the orientation of the in-line strainer important?

Yes, as trapped dirt can fall back into the pipe when the filter is removed

Correct Incorrect Correct answer

Yes, only regarding accessibility

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No, as it can be easily removed

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No, as no dirt will not pass through regardless of the orientation

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Where should the strainer on a Heat Pump system be situated?

On the hot return, just before it enters the geyser

Correct Incorrect Correct answer

On the hot return as it exits the heat pump, and before the shut off valve

Correct Incorrect Correct answer

On the cold flow line as it enters the heat pump downstream of the shut off valve

Correct Incorrect Correct answer

On the cold flow line as it exits the geyser (upstream of the shut off valve)

Correct Incorrect Correct answer

Should one use capillary fittings as the pipework enters the heat pump to save cost?

Yes, if you are able to protect the heat pump from the heat of the flame

Correct Incorrect Correct answer

It does not matter

Correct Incorrect Correct answer

You should use compression fittings so the pipes can easily be disconnected

Correct Incorrect Correct answer

You can use any fittings, even Plastic

Correct Incorrect Correct answer

Where should the temperature probe on a Heat Pump installation go?

In place of the thermostat

Correct Incorrect Correct answer

Check manufacturer's requirements, but never in place of the thermostat

Correct Incorrect Correct answer

On any portion of the hot return line as long as it is not outside and is underneath the lagging

Correct Incorrect Correct answer

Not required on a Heat Pump installation

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True or False: The temperature probe may be installed on any hot water pipe within 1m of the geyser

TRUE

Correct Incorrect Correct answer

FALSE

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What must be lagged on a Heat Pump installation?

The primary loop only

Correct Incorrect Correct answer

The primary loop including all bends and tees

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The primary loop including all bends and tees, the hot water piping from the geyser

Correct Incorrect Correct answer

The primary loop including all bends and tees, the hot water piping from the geyser for at least 1m, the cold into the geyser for at least 1m and the TP discharge pipe for at least 1m

Correct Incorrect Correct answer

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