Adjusting The Operating Pressure Of The Heating System; Starting The Appliance; Control Panel Overview - Bosch Condens 8300i W Installation And Maintenance Instructions Manual

Commissioning
Integral keyless filling link
Locate the filling link and follow the instructions for re-pressurising the
system.
Fig. 29
▶ Re-pressurise the system.
– Pull the lever [1] down to start the filling process.
▶ When the pressure, shown on the display, reaches between the 1 and
1.5 bar,
– Release the lever [1] to stop the filling process.
▶ Top up the system pressure, if as a result of the air bleeding the
pressure drops off.
1
eco
!
%
bar
kWh
Fig. 30
If the display reads more than 1.5 bar as a result of over filling:
▶ Bleed one radiator until the pressure, shown on the display, returns
to between 1 and 1.5 bar.
24
0010042282-001
1
eco
!
%
bar
kWh
0010024971-001
7.3 Adjusting the operating pressure of the heating
system
Pressure shown on the digital display
1 bar Minimum charge pressure (when system is cold)
1 - 1.5 bar Optimal charge pressure
3 bar Maximum charge pressure at maximum heating
water temperature must not be exceeded (pressure
relief valve opens).
Table 13
If the displayed pressure is below 1 bar when the system is cold:
▶ Top up the water until the indicator is between 1 bar and 1.5 bar
again.
If pressure is not being maintained:
▶ Check tightness of expansion vessel and heating system.
7.4

Starting the appliance

NOTICE
Damage to appliance or system!
Running the appliance:
▶ Never run the appliance when the appliance/system is empty or
partially filled.
7.4.1

Control panel overview

7
eco
6
5
Fig. 31 Control panel
[1] Display
 and  keys: To navigate through menus and increase/decrease
[2]
settings
[3] d key: Return/back
[4] ok key: Save settings, Chimney sweeper key (Service Engineer
function): press 5 seconds for chimney sweeper mode
[5] eco key: Hot water preheat selection
[6] Hot water key: Adjusting the hot water temperature
[7] Heating key: Heating mode on, set the maximum flow
temperature
Condens 8300i W – 6721841531 (2022/10)
1
reset
ok
5 sec
3
4
0010021505-001
2