4 210 254 / 00
47
Maintenance and checks
8.
Maintenance and checks
Normally, the work described in the following will be carried out by your maintenance engineer at
the annual servicing. Nevertheless, you should carry out the following checks regularly throughout
the year, and do the work described if necessary.
Check the water level
When the water pressure is too low (readable from the manometer), notify your installation engineer
and/or refill with water as required.
Cleaning, descaling the water heater,
safety valve water heater, taking out of service
Cleaning
Descaling the water heater
Safety valve water heater
Taking out of service
Inadequate cleaning leads not only to increased fuel con-
sumption but it also shortens the service life of the boiler.
In accordance with national regulations, the heating boiler of oil-fired
systems is to be cleaned by the boiler inspector.
The boiler UltraOil
®
(110-200) is to clean 2x per year and to main-
tain 1x per year.
For further information regarding cleaning, see the Technical Infor-
mation/ Installation Instructions for the UltraOil
®
.
In hard-water areas, the water heater and the immersion heater ele-
ments should be periodically descaled in the interests of providing
hot water on an economical basis.
The water heater may only be descaled with chemicals, or by using
wooden or plastic tools.
Where the water is extremely hard, the sanitary equipment installer
should be asked to report on the advisability of installing water-
softening equipment.
To avoid any possibility of damage due to excessive pressure, the
sanitary equipment installer should periodically check the safety
valve.
When the compact heating centre or the heating boiler are standing
idle for several weeks, the following work should be undertaken:
clean the boiler heating surfaces carefully. As a specialist, your boiler
inspector will be pleased to advise you.
When there is risk of frost, have the system emptied in accordance
with the instructions given by the heating system installer, or have
antifreeze added to the system in accordance with the installer’s
instructions.
Your system is fitted with an electronic heat control which guarantees
a minimum room temperature of 5°C when frost threatens, provided
the system is switched on.