Dux proflo N25S124P Manual do Proprietário - Página 7
Procurar online ou descarregar pdf Manual do Proprietário para Aquecedor de água Dux proflo N25S124P. Dux proflo N25S124P 16 páginas. 25l and 50l electric storage water heater
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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.
In areas where the TDS exceeds 600mg/L, it is
possible the magnesium alloy anode (supplied
in standard water heaters) may become over-
reactive. To alleviate this, the magnesium alloy
anode should be replaced with an aluminium
alloy anode. Aluminium alloy anodes are
available from your local Dux Supplier.
Water can also be very corrosive, the
measure of this is the saturation index. If the
water saturation index is greater than 0.40,
an expansion control valve should be fitted.
If the index is greater than 0.80, the electrical
heating element should be replaced with a
low power density Incoloy heating element.
Please consult Dux After Sales and Service
for advice if required.
Cold Water Connection:
The water heater is intended to be permanently
connected to the water supply main, and not
connected by a hose-set.
An approved isolating valve, non-return valve,
line strainer (optional but recommended)
and union must be fitted between the water
supply main and a RP¾"(DN20) socket with
blue surrounds at the bottom of the water
heater. See the diagram on page 5 for details.
All fittings must be approved by the relevant
Authority. Plastic pipes or fittings shall not be
used between the isolating valve and the inlet.
The unused socket (dual handed models only)
with blue surrounds is to be plugged with one
of the brass plugs supplied loose with the water
heater. Ensure that a sealing material is applied
to the brass plug to prevent water leaks.
028299
Rev. C
Owner's Manual – Proflo 25/50 Litre Water Heater
Plumbing Connections
Water Supply Pressure:
This water heater is designed for direct
connection to water supply pressures of up to
800 kPa .
Where the mains pressure can exceed or
fluctuate beyond this pressure, a pressure
reducing valve must be fitted in the cold water
inlet supply.
Note for New Zealand, South Australia and
Western Australia:
It is a requirement in these locations that an
expansion control valve be fitted on the cold
water supply line between the non-return valve
and the water heater.
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