emmeti ETI 2100, Инструкция по установке и эксплуатации, Страница: 18 / 35

18
GB
SYSTEM FILLING
When starting up the system, make sure that
the holder on the hydraulic unit is open. If
you find yourself without a power supply and
the thermo-valve
It has already been powered previously. You
will need to use the special cap to press the
valve shutter to open it.
A
25
B
- When water starts coming out of the vent
valves of the appliance, close them and
continue loading up to the intended nominal
value for the system.
Check the hydraulic tightness of the gaskets.
It is advisable to repeat this step after the
appliance has been running for a few hours
and to regularly check the system pressure.
MAINTENANCE
Periodic maintenance is essential to maintain
the SILENCE - THIN fan coil unit always efficient,
safe and reliable over time. Certain steps can
be performed half-yearly, and other annually, by
the Technical Assistance Department, which is
technically authorised and trained, and can also
dispose of original spare parts, if necessary.
28
EVACUATION OF THE AIR DURING THE
FILLING OF THE SYSTEM
- Open all the system interception devices
(manual or automatic);
- Start filling by slowly opening the system
water filling tap;
- For the ETM and ETI models installed in a
vertical position act (using a screwdriver) on
the top of the battery vent (fig.25 ref.A); for
appliances installed in a horizontal position,
act on the topmost vent (fig.25 ref.B);
EXTERNAL CLEANING
Before performing any
cleaning or maintenance,
disconnect the unit from the
mains by switching off the
main power switch.
Wait for the components to
cool down so as to prevent
the risk of burns.
When necessary, clean the
external surfaces of the SILENCE
- THIN fan coil unit with a soft
cloth dampened with water (fig.
28).
Do not use abrasive sponges
or abrasive or corrosive
detergents so as not to damage
the painted surfaces.