Commissioning
6 720 805 339 (2014/09)
20
Fig. 19 Cable grip assembly
[1]
Cable grip moulding *
[2]
Pan head screws (x 2) *
[3]
Head posi-drive screw *
[*]
supplied in the plastic bag
▶ Fit two pan head screws into cable clamp on grip and secure with self
tapping screw in the location hole in brass head of the immersion
heater.
4
Commissioning
4.1
User information from the system installer
Explain to the customer how the boiler and the cylinder work and how to
operate them.
▶ Advise the user regarding the need for regular maintenance, on
which function and service life depend.
▶ When there is a risk of frost and the cylinder is taken out of use, drain
the cylinder completely, including its lower section.
▶ Give the user all documentation.
▶ This appliance must only be operated by a responsible adult who has
been instructed in, understands, and is aware of the appliance's
operating conditions and effects.
4.2
Preparing for use
4.2.1
General
Only a competent person must commission the system.
▶ Commission the heating appliance and solar thermal system in
accordance with manufacturer's instructions or the appropriate
installation and operating instructions.
4.2.2
Filling the cylinder
Prior to filling the cylinder:
▶ Check the pre-charge pressure of the expansion vessel (3 bar); top-
up if required.
▶ Flush the pipework as well as the cylinder with tap water.
▶ Fill the cylinder whilst a DHW draw-off point is fully open, until water
flows steadily from it.
▶ Check all connections and the immersion heater fitting for tightness.
4.3
Setting the cylinder temperature
▶ Set the required cylinder temperature at the cylinder thermostat.
-or-
, on heating appliances with internal three-way valve,
▶ Set the required cylinder temperature in accordance with the
operating instructions of the heating appliance.
5
Shutting down
5.1
Taking the cylinder out of use
▶ Disable DHW heating in accordance with the operating instructions
of the heating appliance (frost protection).
▶ Shut down the solar thermal system if fitted, in accordance with the
operating instructions of the solar controller.
▶ When there is a risk of frost and the cylinder is taken out of use, drain
the cylinder completely, including its lower section.
5.2
Draining the cylinder
To drain either the domestic water system or the cylinder:
▶ Ensure all connected heat source(s) and the electrical immersion
heater are isolated to prevent damage occurring as a result of heating
the cylinder while it is drained down.
▶ Isolate the cold water supply.
▶ Open all hot water draw off points.
▶ Attach a hose to the drain valve. The drain valve installed at the cold
water supply inlet to the cylinder must be used where practicable.
▶ Drain the cylinder.
▶
IMPORTANT
after draining the cylinder do not close the hot water
draw off points until the cylinder has fully cooled. Failure to observe
this instruction may result in damage to the cylinder that is not
covered by the guarantee.
6
Environment / disposal
Environmental protection is a fundamental corporate strategy of the
Bosch Group.
The quality of our products, their efficiency and environmental safety
are all of equal importance to us and all environmental protection
legislation and regulations are strictly observed.
We use the best possible technology and materials for protecting the
environment taking into account of economic considerations.
Packaging
We participate in the recycling programmes of the countries in which our
products are sold to ensure optimum recycling.
All of our packaging materials are environmentally friendly and can be
recycled.
Used appliances
Used appliances contain valuable materials that should be recycled.
The various assemblies can be easily dismantled and synthetic materials
are marked accordingly. Assemblies can therefore be sorted by
composition and passed on for recycling or disposal.
WARNING:
Risk of scalding!
▶ In normal operation, do not set the temperature
higher than 60 °C.
2
1
3
AQU-35-3W
NOTICE:
▶ When draining either the domestic water system or
the cylinder ensure the cold water supply is isolated
and that at least two hot water draw off points are
opened. One of these hot water draw off points
must
be the one closest to the cylinder in height terms.
The drain valve installed at the cold water supply inlet
to the cylinder should be used, where practicable.
