Dux ProFlo 125T118 Manuale d'uso - Pagina 6
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Relief Valve:
The Pressure & Temperature Relief (PTR) Valve
is supplied either inside the electrical cover of
the water heater or in a bag attached to the
water heater. Instructions on how to remove
the electrical cover can be found on page 6.
Discard the packaging containing the PTR Valve
and brass plugs.
The PTR Valve rating depends on the size of the
water heater. See Specifications on page 4 for
details.
The PTR Valve rating is also shown on the
compliance plate. The PTR Valve must be
installed directly into the RP½"(DN15) socket
marked "RELIEF VALVE" at the top of the water
heater. Ensure that a sealing material is applied
to the PTR Valve to prevent water leaks.
The drain line from the PTR Valve must be
made of copper and run in accordance with
the requirements of AS/NZS 3500.4. It must be
installed in a continuously downward direction in
a frost free environment.
The PTR Valve and its drain line must not be
sealed or blocked. Generally a separate drain
line must be run for the valve although it may
be joined with the drain line from the expansion
control valve under certain circumstances.
Care must be taken when attaching pipe
saddles to the water heater. Self-drilling screws
no longer than 12 mm are recommended.
It is normal for the valve to leak a small amount
of water during heating cycles.
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 to
AS/NZS 3500.4 for guidance on these types
of installations.
2
Owner's Manual – Proflo Electric Storage Water Heaters
Plumbing Connections
Hot Water Connection:
The hot water pipe is to be connected to either
of the RP¾"(DN20) sockets marked "OUTLET"
at the top of the water heater.
The unused socket marked "OUTLET" is to be
plugged with one of the brass plugs supplied.
Ensure that a sealing material is applied to the
brass plug to prevent water leaks.
It is recommended that all hot water pipes are
insulated. Hot water pipes installed outdoors
should be insulated with UV stabilised insulation.
Plastic pipes or fittings shall not be used within
1 metre of the outlet although they may be used
downstream of a temperature control valve.
Refer to AS/NZS 3500.4 for further details.
Temperature Protection:
Water heaters can produce very hot water. To
reduce the risk of scald injury, it is mandatory
under the requirements of
AS/NZS 3500.4 that an approved temperature
control device is fitted to the hot water supply to
outlets used primarily for personal hygiene. This
device should be checked at regular intervals to
ensure its operation and settings remain correct.
Water Supply:
This water heater has been manufactured to
suit the water conditions of most Australian
metropolitan supplies.
Please note certain water supplies can have a
detrimental effect on the water heater and its life
expectancy. If you are unsure about the water
supply, you can obtain information from the local
water supply authority.
The water heater is designed for use in areas
where the Total Dissolved Solids (TDS) content
of the water supply is less than 2500 mg/L. The
Tank Failure Warranty does not apply in areas
where the TDS exceeds 2500 mg/L.
H0421
0421
Rev. Q