Waterware Protank Series Manuale utente

waterware.co.nz

HOT WATER CYLINDERS

Owners Manual

120L, 180L, 250L, 350L and 400L

2019v1

PROTANK OWNERS GUIDE CONTENTS.

1. Use and Application 4

2. Essential Installation Requirements 4

3. Safety Devices 4

4. User Safety 5

5. Pipe Work 5

6. Maintenance and Servicing 5

7. Trouble Shooting 6

8. Water Quality 7

9. Single Domestic Residence Limited Warranty 8

10. Installer Contact Details and Proof of Purchase 10

CALEFFI MONO-BLOCK

VALVE SET

COLD WATER

EXPANSION VALVE

ELEMENT & THERMOSTAT COVER.

TEMPERATURE & PRESSURE

RELIEF VALVE

1. Use and Application

Your Protank is a premium quality, indoor, mains pressure domestic hot water cylinder built tough to provide many

years of trouble free, high pressure hot water.

Protank installation, servicing and repairs should all be carried out only by a qualiﬁed tradesperson. Improper

installation, adjustment, alteration, service or maintenance is illegal, will void any warranty and can cause property

damage, personal injury or loss of life..

Features;

• Manufactured from premium grade 2304 Duplex stainless steel with a 20 year limited warranty (refer warranty

terms and conditions for details).

• 120L, 180L, 250L, 300L, 350L and 400L options

• Available with or without the Caleﬃ ‘direct mount mono-block’ combo set which can save up to 50% in

installation time.

• Top entry and exit ports for easy reach and narrow installation spaces.

• A concealed 2304 Duplex stainless steel dip tube takes the cold to the bottom of the tank.

• TPR and cold water expansion valve vertically aligned for easy waste connection.

• The direct mount mono-block manifold features a return port for easy recirculating ring main conﬁguration.

• 20mm or 25mm high ﬂow ports according to tank size.

• Dual elements on models 250L and over.

• Two direct solar ports and three thermostat probe pockets on models 250L and over.

• Textured white powder coated external ﬁnish

2. Essential Installation Requirements

Drip Trays

A hot cylinder is a vessel containing water which has the potential to unexpectedly leak water. To minimise damage

to other areas of your home, ensure that your cylinder has been installed with a drip tray – consequential damage

resulting from the absence of a drip tray will not be accepted under any circumstances.

Installation Standards

• Cylinders shall be installed in accordance with:

• Manufacturer’s installation instructions contained within this document.

• Current AS/NZS 3000, AS/NZS 3500, and G12/AS1

• Local regulations and municipal building codes

3. Safety Devices

Your Protank hot water cylinder is ﬁtted with the following safety equipment which should remain in perfect

working order;

Temperature & Pressure and Relief (TPR) Valve

Ensures the water remains at a safe pressure and temperature.

Automatic Thermostat

Maintains the set water temperature inside the cylinder.

Heating Element Over-Temperature Cut-out.

In the case of a standard cylinder (not installed in a solar application), the operation of the thermal cut-out can

indicate a dangerous situation. Do not reset the thermal cut-out until the water heater has been serviced by a

suitably qualiﬁed tradesperson

Cylinder Thermostat Setting

To meet the New Zealand G12 Building Code requirement to disinfect water for legionella bacteria, the cylinder

thermostat has been set to 62 °C.

4. User Safety

Element cover

Do not remove the element cover as this will expose 230 V wiring and must only be removed by a suitably qualiﬁed

tradesperson.

Thermostat Setting

Must only be adjusted by an electrician or other suitably qualiﬁed tradesperson.

Damaged Components

If any component is damaged, it must be replaced by a suitably qualiﬁed tradesperson using Protank replacement

parts only.

Hot Pipe Work

Care should be taken not to touch the pipe work around the cylinder as it could cause scalding.

Turning the Cylinder Oﬀ and On

If you plan to be away for an extended period it makes sense to switch the power supply oﬀ. When switching back

on, remember that the cylinder will take a few hours to re-heat.

Draining and Filling the Cylinder

This should only be performed by a qualiﬁed tradesperson.

5. Pipe Work

It is the installer’s responsibility to adequately size the distribution pipe work to ensure suﬃcient performance

from all outlet ﬁttings. Water pipe sizing should be performed in accordance with AS/NZS 3500.4 and/or G12 AS1.

Contact Waterware for advice on system sizing and design.

6. Maintenance and Servicing

Hot water systems require regular maintenance and servicing to ensure longevity and trouble free operation. We

recommend the following procedures be followed;

Every 6 Months:

Operate and vent water from the temperature & pressure relief* valve.

Every 5 Years Thereafter:

Inspect all connections and the heating element** if installed in hard water areas.

*TPR Valve

This valve is the highest mounted valve on the side of the cylinder and is an essential safety valve. It works by

automatically venting hot water if the temperature or pressure of the water in the cylinder exceeds its presetting.

Rotate the red knob approximately ¼ of a turn and hold in that position for 5 seconds while hot water is vented

into the drain. This helps clear any naturally occurring lime deposits that may cause it to malfunction. If it fails to

vent any water or continues to vent water when released, immediately switch oﬀ the power and call a qualiﬁed

tradesperson to arrange an inspection.

**Heating Element

In hard water areas the element(s) may need to be periodically descaled by a suitably qualiﬁed tradesperson. To do

this the unit must be drained and the element(s) removed.

7. Troubleshooting

Do not attempt to carry out any work other than that mentioned in this troubleshooting section. If you have any

other faults or problems, please contact qualiﬁed tradesperson or Waterware.

No hot water

• Is there an electricity supply to the cylinder?

• Check that the isolating switch marked ‘hot water’ or ‘water heater’, at the meter box, is switched on. Also

check any isolating switches near the water heater are switched on.

• Check the fuse or circuit breaker marked ‘hot water’ or ‘water heater’ at the meter box. Repeated failure

of the fuse or tripping of the circuit breaker indicates a fault, which must be investigated by an authorised

tradesperson.

Lack of hot water reducing to warm water

• Are you using more hot water than you think?

• It is sometimes diﬃcult to judge how much hot water your shower or other outlets use by observation

alone. Place a measured bucket under your shower for ten seconds and multiply by six to determine the

amount of water produced over a minute. Typical showers range from 8-12 L/min and basins 6-8 L/min, if

your result is signiﬁcantly more you may want to consider installing a more eﬃcient outlet or after market

ﬂow restrictors.

• Cold water relief valve discharging continuously?

• As a hot water cylinder reheats after use it is normal for the cold water relief valve to discharge a small

quantity of water through the drain line. If water is discharging continuously there may be a fault with one

of the valves which needs to be rectiﬁed by a qualiﬁed tradesperson.

Water is too hot

• If possible check the temperature of the water coming out of a hot outlet with a thermometer.

• If it is higher than 55 °C contact a qualiﬁed tradesperson for advice.

High electricity bills

• In addition to any of the above reasons;

• Check your electricity tariﬀ hasn’t changed.

• Do you have an unknown leak in the system?

• Ensure every tap and outlet is turned oﬀ and check your water meter to ensure it is not still ﬂowing.

8. Water Quality

Some NZ water supplies are particularly aggressive and can cause premature damage and reduced life expectancy

for hot water cylinders or any other appliance connected to them. Protank hot water cylinders are manufactured by

RM Cylinders in the UK from the highest quality Duplex 2304 stainless steel which is the most corrosion resistant

cylinder available in NZ.

Pitting Corrosion

Although Duplex 2304 has a very high resistance to pitting corrosion, it is not completely immune and corrosion can

still occur if the water supply has a high percentage of dissolved solids present. It is advised in areas with a high

concentration of dissolved solids in the water supply that consultation with water quality and ﬁltration experts be

undertaken.

Hard Water

Hard water (containing calcium carbonate) can cause scaling on hot surfaces and we recommend a water storage

temperature of no more than 65 °C to minimise scale build-up. Material quality cannot inﬂuence damage due to

scaling therefore we oﬀer no guarantee against it occurring. Scale reducing or water softening devices should be

considered in hard water areas.

Water Quality and Impurity Limits

Protank warranty conditions require the following minimum water quality and impurity limits are not exceeded;

TDS (Total Dissolved Solids): Up to 600 mg/L or ppm

Total Hardness CaCO3: Up to 200 mg/L or ppm

Dissolved (free) CO3: Up to 25 mg/L or ppm

pH: 6.5-8.5

Langelier Index: Between -1.0-0.8

Most metropolitan water supplies fall within these limits. If you are unsure about water quality contact Waterware

for details of an authorised water testing agency

Sludge or Foreign Matter

If sludge or foreign matter is present in the water supply, a suitable ﬁlter should be incorporated in the water

supply.

Problematic Locations

Some examples of areas where water quality issues are known;

• Hard water (areas including Whanganui)

• Aggressive water (areas including Christchurch)

• Both hard and aggressive water (some bore water)

9. ‘Single Domestic Residence’ Limited Warranty

A ‘Single Domestic Residence’ installation is deﬁned as an installation where the hot water cylinder with a factory

set thermostat delivers hot water to a privately owned single family residential dwelling which is not used for

commercial purposes. All terms of the warranty, subject to the conditions below, are eﬀective from the date of

installation if proof of installation date can be provided. Where the date of installation is not known or cannot be

proven, the warranty will commence one month after proof of purchase date.

Protank Excluding Valves and Element

5 YEARS FREE PARTS and LABOUR costs to replace or repair the cylinder if it fails due to manufacturing

defect.

Followed by;

5 YEARS FREE PARTS ONLY costs (excluding labour) to replace or repair the cylinder if it fails due to

manufacturing defect. Followed by;

10 YEARS *PRO-RATA PARTS ONLY reducing costs (excluding labour) according to the below formula, to

replace or repair the cylinder if it fails due to manufacturing defect.

*Pro-Rata Formula = Original purchase price x remaining warranty in years ÷ total warranty period of the

cylinder.

Caleﬃ Valves (excluding any 3rd party valves)

5 YEARS FREE PARTS and LABOUR costs to replace or repair any valve that fails due to manufacturing

defect.

Protank Element Only;

12 MONTHS FREE PARTS and LABOUR costs to replace or repair the element if it fails due to manufacturing

defect.

General Warranty Terms and Conditions

Waterware reserves the right to make modiﬁcations and change speciﬁcations and its parts without

notice.

If the cylinder is being acquired for personal, domestic or household use, this warranty does not limit any

consumer rights or guarantees that may apply under the Consumer Guarantees Act 1993. If the product

is being acquired for the purposes of a business, the provisions of the Consumer Guarantees Act 1993

do not apply and no other warranties (either express or implied by law) apart from those stated in this

warranty document apply.

Speciﬁc Warranty Terms and Conditions

1. All terms of this warranty are eﬀective from the installation date or purchase date plus one month. Waterware

reserves the right to verify this date.

2. All Protank cylinders must be installed, commissioned, serviced, repaired and removed in accordance with the

installation instructions contained in this document, local regulations, and municipal building codes by persons

authorised to do so.

3. All Protank cylinders must be operated and maintained in accordance with all instructions contained in this

document.

4. The warranty applies only to the components supplied by Waterware and does not extend to 3rd party

components not supplied with Protank.

5. Where the cylinder has not been installed in accordance with the installation instructions or installed such that

normal service access is diﬃcult or inadequate, Waterware will not be responsible for rectiﬁcation or the costs

to rectify and a service charge may apply (for example, removal of cupboards, doors, walls, or the use of special

equipment to move components, but not limited to these). If at the discretion of Waterware the installation is

deemed illegal or access is dangerous, service will be refused.

6. The cylinder warranty is for the period indicated in this document. Replaced or repaired components and or

complete replacements will carry a new warranty.

7. Waterware reserve the right to have the installed product returned to the factory for inspection if required.

8. Where the cylinder is installed outside the metropolitan area or further than 40 km from a Waterware

nominated service agent, travel costs shall be the owner’s responsibility.

9. Waterware reserves the right to replace the cylinder for another type if upon inspection it is deemed another

cylinder of a diﬀerent type is more suitable.

Warranty Exclusions

The following exclusions may cause the warranty to become void and will result in a service charge and costs of

parts (if required).

1. Accidental damage and acts of God.

2. Failure due to abuse or misuse, improper maintenance or improper storage.

3. Failure due to incorrect or unauthorised installations.

4. Failure or damage caused by alterations, service or repair work carried out by persons other than those

authorised by Waterware.

5. Where the cylinder has failed directly or indirectly as a result of poor water quality outside the limits speciﬁed

in this document.

6. Where it is found that there is no fault with the cylinder and the issue is related to the installation or is due to

power failure.

7. Subject to any statutory provisions to the contrary, Waterware does not accept:

i. Liability for consequential damage or any incidental expenses resulting from any breach of the warranty,

ii. Claims for damage to building or any other consequential loss either directly or indirectly due to leaks or any

other faults.

10. Installer Contact Details and Proof of Purchase

Your Protank serial number (see data label)::

Installation by (company name and address):

Installers name:

Phone: Mobile:

Signed: Date:

Retailer (company name and address):

Phone: Date of purchase:

Attach proof of purchase here:

waterware.co.nz | info@waterware.co.nz | +64 9 273 9191

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