Commissioning
Greenstar FS/Combi FS – 6 720 810 590 (2020/04)
52
When the appliance is switched ON for the first time, it performs a once-
only purging sequence. This involves the heating zone pump switching
on and off at intervals (for approx. 4 minutes).
The display shows in alternation with the supply temperature.
▶ Open the automatic vent [15](only combi boiler KWB..-3A) and
close it again when the purging sequence has finished ( figure 7
item 15).
If the display shows in alternation with the supply temperature, the
trap filling function is active ( page 59).
Shutdown
▶ Switch appliance OFF using the ON/OFF switch.
The display goes out.
▶ If the appliance is taken out of service for a longer period:
Observe frost protection ( Section 8.9).
8.3 Setting up space heating
Set the maximum supply temperature based on the structure's heat loss
on design day.
Table 26 Typical supply temperatures
With radiant floor heating, limit the maximum permissible supply
temperature as recommended by the manufacturer.
▶ In order to set the maximum supply temperature, turn the boiler high
limit dial (
Fig. 59 Switch on heat
If the burner is operating, the burner operation indicator lamp is
illuminated.
8.4 Programming the Bosch room controller
Refer to the operating instructions for the Bosch room controller
included in the scope of delivery. The instructions contain information
on:
▶ setting up the operating mode
▶ adjusting the room temperature
▶ heating economically for comfortable temperatures
▶ mounting the controller in the reference room
Fig. 60 FW 200 controls
Table 27
BodyText
8.5 After commissioning
▶ Check flue path for tightness.
▶ Check gas supply dynamic pressure (Fig. 12.3).
▶ Check that condensate is being discharged from the condensate
hose. If that is not the case, switch the appliance first OFF and then
ON again using the ON/OFF switch. That activates the trap filling
sequence ( Page 59). Repeat the procedure several times until
condensate starts running out.
▶ Complete commissioning report ( Page 80).
Boiler high
limit dial (
Typical supply
temperatures
Sample application
1 approx. 95 °F (35 °C) Frost protection
2 approx. 109 °F (43 °C)
3 approx. 122 °F (50 °C) Radiant floor heating system
4 approx. 140 °F (60 °C) Panel radiator system
5 approx. 153 °F (67 °C) Cast iron radiator system
6 approx. 167 °F (75 °C)
max approx. 194 °F (90 °C) Baseboard & convector
system
eco
reset
6 720 641 933-53.2O
max
1
2
3
4
5
6
max
1
2
3
4
e
6
min
Item Name Description
1KnobTurn to change a setting or select a menu/menu item.
Press to open a menu/menu item or confirm a setting/
message.
2autoPress to activate the automatic mode
3manPress to active the hold mode (manual operation)
4blackPress to return to the next higher menu level or to
discard a setting
Press for an extended period of time to close the main
menu
5menuPress to open the main menu
6 720 815 159-06.1O
2
3
5
4
1
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