Dux 2F136S - Page 23

Owner’s Manual – Electric Boosted Solar
21
Part No: H3100
Version: 10346D
Owner’s Information
alloy anode (supplied in the heater) may
become over reactive. To alleviate this,
the anode should be replaced with an
aluminium alloy anode, available from
your local Dux supplier.
Water can also be very corrosive,
measured by the saturation index. If the
water saturation index is greater than
0.40 an expansion control valve should
be tted and where the index is greater
than 0.80 the water heater installed
should be a Hard Water Model. Please
consult our Service Department for
advice if required.
Six Monthly Service – By Owner
Operate the Pressure & Temperature
Relief Valve for approximately 10 seconds
by operating the easing lever on the
valve to ensure water is relieved to waste
through the relief drain pipe. Check to
ensure the valve closes correctly.
Five Year Service – By Authorised
Personnel Only
The ve year service must be carried
out by a licensed tradesperson. It is
recommended that this service be
carried out by your local Dux agent.
The service should include the following:
Replace the Pressure & •
Temperature Relief Valve.
Replace the anodes (in areas of •
harsh or adverse water conditions, a
more frequent check of the anodes
is recommended).
Cleaning of collector panels to •
improve solar collection
Flush the water heater by doing the •
following:
Turn off the power.i.
Turn off the cold water supply to ii.
the water heater at the isolating
valve.
Gently operate the easing lever iii.
on the Pressure & Temperature
Relief Valve to release the
pressure in the water heater.
Disconnect the cold water inlet iv.
union to the heater and attach a
drain hose.
Gently operate the Pressure v.
& Temperature Relief Valve to
let air into the heater and allow
water to escape through the
hose.
Flush the heaters until clear vi.
water appears then reconnect
all ttings, ll the heater and
restore the electricity supply.
What Should I Check Before
Making A Service Call?
If there is not enough hot water, it is
recommended that the following points be
considered before making a service call.
If after checking the following points the
problem has not been identied, please
contact Dux on 1300 365 115.