1300 365 115 (Australia)
0800 729 389 (New Zealand)
Carefully remove all packaging and
transit protection from the heater before
installation. Dispose of the packaging
responsibly using re-cycling facilities
where they exist.
Specications and materials may change without notice.
Effective for all Proo electric storage water heaters manufactured and sold after 1st Feb 2009.
H0421 0421 Rev. G
Owner’s Manual – Proflo Electric Storage Water Heaters
Owner’s Manual – Proflo Electric Storage Water Heaters
Welcome To Dux Hot Water
Your decision to purchase a Dux Hot
Water system will reward you for many
years to come.
Since 1915, the Dux range has seen
continuous research and development,
resulting in many breakthroughs in the
efciency, reliability and longevity of hot
water systems.
Dux water heaters are manufactured
in Australia in a state-of-the-art facility,
using a Quality Endorsed Company
production system.
This is your assurance that you have
purchased the highest quality water
heater available, one that will provide
continuous hot water for all your needs
– safely, economically, and for many
years to come.
To be upfront about it, we want Dux to
be your brand of choice. So you can
depend on us to provide more than just
a hot water system.
Go with Dux and you’ll have a
dependable, economical, efcient hot
water system designed to perform well,
year after year. And that’s a promise.
Features
• Positive Domed tank provides superior corrosion resistance, resulting in
longer life.
• Dual handed design to make installation easier.
• Australian made.
You can rely on Dux products and
choose them with condence. We’ll
make sure you have the information, the
quality and the innovation you’re looking
for, including the latest energy-saving
alternatives. If you should ever have a
problem – and we’ll bet you won’t –
you’ll nd that we’re easy to get hold of,
friendly to talk to and quick to act. Our
service is all about providing anything
you need as soon as you need it.
H0421 0421 Rev. G
1
Owner’s Manual – Proflo Electric Storage Water Heaters
Installation Details
Installation Requirements
This water heater must be installed
by a licensed tradesperson, and in
accordance with:
• AS/NZS3500.4.2 “National
Plumbing and Drainage Code Hot
Water Supply Systems – Acceptable
Solutions”.
• AS/NZS3000.
• Local authority regulations.
• Outside Australia and New Zealand,
please refer to local plumbing and
building codes and regulations.
• Notice to Victorian customers from
the Victorian Plumbing Industry
Commission – this water heater
must be installed by a licensed
person as required by the Victorian Building Act (1993). Only a licensed
person will give you a compliance
certicate, showing that the work
complies with all the relevant
Standards. Only a licensed person
will have insurance protecting their
workmanship for 6 years. Make sure
you use a licensed person to install
this water heater and ask for your
Compliance Certicate.
Water Supply Pressure
This water heater is designed for direct
connection to water supply pressures of:
80 Litre model – 1120kPa
125 Litre model – 1120kPa
160 Litre model – 1120kPa
250 Litre model – 800kPa
315 Litre model – 800kPa
400 Litre model – 800kPa
Where the mains pressure can exceed
or uctuate beyond the pressure
shown above, a pressure limiting
device (complying with AS1357) must
be tted in the cold water inlet supply.
This device must be installed after
the isolating valve and set below the
pressure shown above. Note that
during periods of lower demand, water
pressure may increase.
Caution: This water heater delivers
hot water at temperatures exceeding
50°C. Refer to AS/NZS3500 and
local regulations regarding the need
for additional hot water delivery
temperature control.
Pool Heating
This water heater must not be used for
pool heating.
2
H0421 0421 Rev. G
Owner’s Manual – Proflo Electric Storage Water Heaters
Installation Details
Location
The water heater should be located as
close as possible to the most frequently
used hot water outlet. Adequate
access must be made for service to the
element(s), thermostat, relief valve and
anode. Ensure that the data plate is
clearly visible.
Note: All models are equipped with a
sacricial anode, accessible through the
top cover. Allow 50% of the height of
the water heater for clearance above to
replace the anode.
We recommend a plinth be installed
under the water heater where the
water heater is subjected to wet
conditions.
A properly drained overow tray must
be used where property damage could
occur from water spillage. (See AS/
NZS3500.4.2 for further details.)
When installing this water heater in a
roof area as a mains pressure unit, refer
to local regulations.
Note: The warranty does not cover
damage due to leakage of the water
heater.
H0421 0421 Rev. G
3
Owner’s Manual – Proflo Electric Storage Water Heaters
Plumbing Connections
Pressure & Temperature Relief
Valve
The Pressure & Temperature Relief Valve
is supplied loose with the water heater.
The valve rating is:
The PTR valve must be installed directly
into the top socket marked “RELIEF
VALVE”. The drain line from this valve
must run in a continuously downward
direction in a frost-free ambient position
with the discharge end left open to
atmosphere permanently.
The PTR Valve is not intended to enable
connection of the water heater to
supplementary energy sources such as
solar panels or slow combustion stoves
(refer AS/NZS 3500.4 for guidance on
these types of installations).
Open the PTR Valve for approximately
10 seconds by lifting the lever on the
valve to ensure water is relieved to waste
through the relief drain pipe. Lower lever
gently and check that it closes correctly.
The PTR Valve must not be tampered
with or removed. The water heater must
not be operated unless this valve is
tted and in working order.
The PTR Valve should be checked for
adequate performance or replaced at
intervals not exceeding 5 years, or less
in areas where local regulations apply.
Important: The PTR Valve and its
drain outlet pipe must not be sealed or
blocked. It is normal for the PTR valve
to leak a small amount of water during
heating cycles.
Danger
Failure to operate the relief valve easing
lever at least once every six (6) months
may result in a problem with the water
heater and in some cases the tank may
explode.
Warning: A separate drain line must be
run for this relief valve. It is not permitted
to couple drain lines from relief valves
into a single common drain line.
Note: Brass plugs are supplied with
the water heater to plug off the unused
ttings. Ensure that a sealing material is
applied to the plugs to prevent leaking.
Cold Water Connection
An approved isolating valve, non
return valve, line strainer (optional but
recommended), and union must be
tted between the supply main and
either of the RP¾/20 sockets marked
“Inlet” at the bottom of the water heater.
All ttings must be approved by the
relevant Authority. See the diagram on
page 5 for details.
Note for S.A. and W.A.: It is a state
requirement that a pressure relief valve
be tted on the cold water supply line
4
H0421 0421 Rev. G
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