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Instructions on commissioning, maintenance, and troubleshooting for auroSTOR 0020111119_02
7.9
Commissioning the gas-fired wall-hung boiler
>
Make sure that the control device and thermostats are
set so that heating is required.
>
Carry out the commissioning and testing measures for
the gas-fired wall-hung boiler in accordance with the ins-
tallation instructions.
>
Check whether the gas-fired wall-hung boiler starts ope-
rating and the water in the cylinder and radiators heats
up in accordance with the hot water and room
thermostat settings.
>
After completing the commissioning measures, set the
hot water temperature on the controller (e.g. auroMATIC
560/2 solar controller) to a maximum of 60 °C to achieve
optimum energy efficiency in your solar heating system.
If you are controlling the hot water temperature via the
cylinder thermostat installed in the cylinder, switch the
cylinder thermostat (
2
) on as follows. Set the electric
immersion heater thermostat (
1
) to the required tempe-
rature.
>
Reattach the cover for the electric immersion heater and
the upper front cladding of the cylinder.
7.10
Setting the hot water thermostat mixer
a
Danger!
Risk of burns and scalds!
Water at a temperature of more than 60 ºC
can escape from the water draw-off point.
>
Install a hot water thermostat mixer in
the hot water pipe to provide effective
scald protection.
>
Set the hot water thermostat mixer to
less than 60 ºC and check the tempera-
ture at a hot water draw-off point.
You can set the hot water from the cylinder to a desired
maximum temperature of between 30 and 70 ºC by mix-
ing hot and cold water.
>
Regulate the hot water thermostat mixer via the adjus-
ting knob to maintain the required temperature on the
hot water taps.
7.11
Filling in the commissioning report
>
Fill in the benchmark cylinder commissioning checklist
located on the last few pages of these instructions.
7.12
Handover to the operator
>
Hand over the appropriate instructions and cylinder
papers to the operator.
>
Make the operator aware that the instructions must be
kept near to the unit.
>
Draw special attention to the safety instructions which
the operator must follow.
>
Explain to the operator how to safely use the gas-fired
wall-hung boiler, cylinder, and control devices.
>
Explain to the operator how to use the solar controller,
hot water control system, and heating control system.
Inform the operator that he can improve the solar yield
by limiting the cylinder heating by lowering the target
cylinder temperature.
i
In regions with hard water, the set hot water
temperature must not exceed 60 ºC to avoid
scaling.
>
Go through the operating instructions with the operator
and answer any questions.
>
Inform the operator of the required precautionary mea-
sures to prevent damage to the system and building if
the system is not kept in operation during frost.
>
In addition, inform the operator that the electric immer-
sion heater is intended as a reserve appliance for water
heating and must not be used to heat water in the cylin-
der at the same time as the gas-fired wall-hung boiler.
>
In addition, inform the operator that the settings you
have made on the solar heating system must not be
changed.
>
Inform the operator that the gas-fired wall-hung boiler
and the cylinder must be serviced at least once a year by
a qualified competent person. Recommend a mainte-
nance agreement with a specialist workshop to ensure
the regular maintenance of the gas-fired wall-hung boiler
and cylinder.
For more information, contact Vaillant customer service.
7 Commissioning