Dux ProFlo series Owner's Manual
H0421 0421 Rev. K
Specications and materials may change without notice.
Effective for all Proo electric storage water heaters manufactured and sold after 1st January 2012.
Owner’s Manual
Electric Storage Water Heaters
Standard Models:
80F118G, 80F124G, 80F136G
125S118, 125S136, 160S124, 160S136
250S136, 315S136, 315S236, 315S248
400S136, 400S236
An ‘H’ at the end of the model number indicates that the
water heater is tted with a hard-water anode.
For advice, repairs and service, call:
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.
Installation Details
Owner’s Information
Warranty
Owner’s Manual – Proflo Electric Storage Water Heaters
H0421 0421 Rev. K
Installation Details 1
Plumbing Connections 3
Electrical Connection 5
Specications 6
Operating Instructions 7
Safety Information 8
Service Information 9
Troubleshooting 10
Warranty 12
Contents
© Dux Manufacturing Limited 2012. All rights reserved.
Owner’s Manual – Proflo Electric Storage Water Heaters
1
H0421 0421 Rev. K
Installation Details
Installation Requirements
This water heater must be installed
by a licensed tradesperson, and in
accordance with:
• AS/NZS 3500.4 Plumbing and
Drainage – Heated Water Services.
• AS/NZS 3000.
• Local authority regulations.
• Outside Australia, 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, 125 and 160 litre models:
- 1,120 kPa
250, 315 and 400 litre models:
- 800 kPa
Where the mains pressure can exceed
or uctuate beyond the pressure
shown above, a pressure limiting
device (complying with AS 1357)
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/NZS 3500 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.
Owner’s Manual – Proflo Electric Storage Water Heaters
2
H0421 0421 Rev. K
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 and
associated warnings are 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.
The product must be installed on a
at, solid supporting surface.
A properly drained overow tray must
be used where property damage could
occur from water spillage.
(See AS/NZS 3500.4 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.
Owner’s Manual – Proflo Electric Storage Water Heaters
3
H0421 0421 Rev. K
Plumbing Connections
Pressure & Temperature Relief
Valve
The Pressure & Temperature Relief Valve
is supplied loose with the water heater.
The valve rating is:
80, 125 and 160 litre models:
- 1,400 kPa
250, 315 and 400 litre models:
- 1,000 kPa
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).
After the cold water has been
connected, 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.
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 4 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
between the non return valve and the
water heater. See the diagram on page
4 for details.
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