Temporary Or Short-Term Shut-Down; Preparing For Extended Periods Of Disuse; Cleaning; Maintenance - Beretta POWER MAX 50 P DEP Installation And Operation Manual

4 2 Temporary or short-term shut-
down
In the event of temporary or short-term shut-down (e.g. due
to holidays), proceed as follows:
- Disconnect the power supply by positioning the ther-
mal module switch and the system's main switch to
"off".
- If there is a danger of frost, keep the system on. To
reduce fuel consumption, set the heating set point to
the minimum allowed value.
4 3 Preparing for extended periods
of disuse
The following operations shall be necessary if the POWER
MAX modular system is not used for a long period of time:
- Turn the main switch of the thermal modules and the
main system switch to "off"
- Close the fuel and water valves for the heating and
domestic hot water system.
b
Empty the thermal and sanitary system if there is a
danger of frost.

4 4 Cleaning

Use a cloth damped in soapy water to clean the boiler's
external casing.
To remove stubborn marks, use a cloth damped in a 50%
mix of water and denatured alcohol or a suitable cleaning
product.
Carefully dry after cleaning.
a
Do not use abrasive cleaning pads or powder deter-
gents.
a
Never clean the boiler without first disconnecting it
from the mains electricity supply by turning the mains
power switch and the control panel switch OFF.
b
The combustion chamber and flue pipes must be
cleaned periodically by the manufacturer's Technical
Assistance Centre or by a qualified heating engineer.

4 5 Maintenance

Please remember that THE PERSON RESPONSIBLE FOR
SYSTEM MANAGEMENT MUST ENSURE THAT PROFES-
SIONALLY QUALIFIED HEATING ENGINEERS UNDER-
TAKE PERIODIC MAINTENANCE AND COMBUSTION EF-
FICIENCY MEASUREMENTS.
's Technical Assistance Centre is qualified to satisfy
B
these legal requirements and can also provide useful in-
formation on MAINTENANCE PROGRAMMES designed to
guarantee:
- Greater safety
- Compliance with applicable legislation
- Freedom from the risk of fines in the event of spot
checks.
Regular maintenance is essential for the safety, efficiency
and durability of the boiler.
Servicing is a legal requirement and must be performed
at least once a year by a professionally qualified heating
engineer.
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