Sime 8116910, Инструкция для пользователя, по установке и обслуживанию

Страница: 37 / 80

37
6.14 Refilling or emptying
Before carrying out the operations described below, make
sure that the main system switch is set to "ON" in order for
the display to show the pressure level in the system during
refilling.
Make sure that the operating mode is set to "Stand-by";
if this is
not the case, press the button y for at least 1 second until
this mode has been selected.
6.14.1 Method of filling a sealed system
A sealed system must only be filled by a competent person
using a method similar to that shown in figure below.
Stop
valve
Stop
valve
Test cock
Hose
unions
Double chech
valve assembly
Filling loop
temporarily connected
Mains
water supply
Heating
cicuit return
Fig. 42
6.14.2 SYSTEM Filling
The
Edea T
boilers are not equipped with a filling valve which
must be prearranged on the system return.
Remove the front panel:
– remove the two screws (1), pull the front panel (2) forwards
and release it from the top by lifting it.
1
2
Fig. 43
Domestic hot water circuit (storage tank):
– open the isolation valves of the domestic hot water circuit
(if present)
– open each of the DHW taps until air is expelled
– once bleeding has been completed, close the hot water
valves.
Heating circuit:
– open the isolation and air bleeding valves in the highest
points of the system
– loosen the automatic bleed valve (3)
– open the heating circuit isolation valves (8) and (9)
– activate the filling system "Method of filling a sealed sys-
tem, and fill the heating system until a pressure of 1-1.2 bar
is shown on the pressure gauge (5)
– stop the filling system
– check that there is no air in the system by bleeding all the
radiators and the circuit on the high points of the system.
8
5 9
3
Fig. 44
NOTE:
to completely remove all air from the system, it is rec-
ommended that this operation is repeated a number of times.
– check the pressure on the display, or on the pressure gauge,
and, if necessary, top up until the correct pressure reading
appears
– close the automatic bleed valve (3)
– fill the siphon by disconnecting it from the pipe or using the
smoke take-off point.
Refit the front panel of the boiler hooking it on at the top,
pushing it forwards and securing it with the screw (1) which
was removed previously.